1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21ad135b5dSChristopher Siden 22fa9e4066Sahrens /* 238f2529deSMark Shellenbaum * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 245cabbc6bSPrashanth Sreenivasa * Copyright (c) 2011, 2017 by Delphix. All rights reserved. 25c3d26abcSMatthew Ahrens * Copyright (c) 2014 Integros [integros.com] 26ed61ec1dSYuri Pankov * Copyright 2017 Nexenta Systems, Inc. 27f06dce2cSAndrew Stormont * Copyright 2017 RackTop Systems. 28fa9e4066Sahrens */ 29fa9e4066Sahrens 30fa9e4066Sahrens #include <stdio.h> 31490d05b9SMatthew Ahrens #include <unistd.h> 32004388ebScasper #include <stdio_ext.h> 33fa9e4066Sahrens #include <stdlib.h> 3444cd46caSbillm #include <ctype.h> 35fa9e4066Sahrens #include <sys/zfs_context.h> 36fa9e4066Sahrens #include <sys/spa.h> 37fa9e4066Sahrens #include <sys/spa_impl.h> 38fa9e4066Sahrens #include <sys/dmu.h> 39fa9e4066Sahrens #include <sys/zap.h> 40fa9e4066Sahrens #include <sys/fs/zfs.h> 41fa9e4066Sahrens #include <sys/zfs_znode.h> 420a586ceaSMark Shellenbaum #include <sys/zfs_sa.h> 430a586ceaSMark Shellenbaum #include <sys/sa.h> 440a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 45fa9e4066Sahrens #include <sys/vdev.h> 46fa9e4066Sahrens #include <sys/vdev_impl.h> 47fa9e4066Sahrens #include <sys/metaslab_impl.h> 48fa9e4066Sahrens #include <sys/dmu_objset.h> 49fa9e4066Sahrens #include <sys/dsl_dir.h> 50fa9e4066Sahrens #include <sys/dsl_dataset.h> 51fa9e4066Sahrens #include <sys/dsl_pool.h> 52fa9e4066Sahrens #include <sys/dbuf.h> 53fa9e4066Sahrens #include <sys/zil.h> 54fa9e4066Sahrens #include <sys/zil_impl.h> 55fa9e4066Sahrens #include <sys/stat.h> 56fa9e4066Sahrens #include <sys/resource.h> 57fa9e4066Sahrens #include <sys/dmu_traverse.h> 58fa9e4066Sahrens #include <sys/zio_checksum.h> 59fa9e4066Sahrens #include <sys/zio_compress.h> 60e0d35c44Smarks #include <sys/zfs_fuid.h> 6188b7b0f2SMatthew Ahrens #include <sys/arc.h> 62b24ab676SJeff Bonwick #include <sys/ddt.h> 63ad135b5dSChristopher Siden #include <sys/zfeature.h> 64770499e1SDan Kimmel #include <sys/abd.h> 654923c69fSMatthew Ahrens #include <sys/blkptr.h> 664445fffbSMatthew Ahrens #include <zfs_comutil.h> 670a055120SJason King #include <libcmdutils.h> 68de6628f0Sck #undef verify 69de6628f0Sck #include <libzfs.h> 70fa9e4066Sahrens 713f7978d0SAlan Somers #include "zdb.h" 723f7978d0SAlan Somers 73e690fb27SChristopher Siden #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 74e690fb27SChristopher Siden zio_compress_table[(idx)].ci_name : "UNKNOWN") 75e690fb27SChristopher Siden #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 76e690fb27SChristopher Siden zio_checksum_table[(idx)].ci_name : "UNKNOWN") 77e690fb27SChristopher Siden #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 78e690fb27SChristopher Siden dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \ 79e690fb27SChristopher Siden dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN") 80e690fb27SChristopher Siden #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \ 815cabbc6bSPrashanth Sreenivasa (idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA ? \ 825cabbc6bSPrashanth Sreenivasa DMU_OT_ZAP_OTHER : \ 835cabbc6bSPrashanth Sreenivasa (idx) == DMU_OTN_UINT64_DATA || (idx) == DMU_OTN_UINT64_METADATA ? \ 845cabbc6bSPrashanth Sreenivasa DMU_OT_UINT64_OTHER : DMU_OT_NUMTYPES) 856de8f417SVictor Latushkin 86feef89cfSVictor Latushkin #ifndef lint 874dd77f9eSMatthew Ahrens extern int reference_tracking_enable; 887fd05ac4SMatthew Ahrens extern boolean_t zfs_recover; 8906be9802SMatthew Ahrens extern uint64_t zfs_arc_max, zfs_arc_meta_limit; 90f7950bf1SMatthew Ahrens extern int zfs_vdev_async_read_max_active; 91f06dce2cSAndrew Stormont extern int aok; 92e144c4e6SPavel Zakharov extern boolean_t spa_load_verify_dryrun; 93feef89cfSVictor Latushkin #else 944dd77f9eSMatthew Ahrens int reference_tracking_enable; 957fd05ac4SMatthew Ahrens boolean_t zfs_recover; 9606be9802SMatthew Ahrens uint64_t zfs_arc_max, zfs_arc_meta_limit; 97f7950bf1SMatthew Ahrens int zfs_vdev_async_read_max_active; 98f06dce2cSAndrew Stormont int aok; 99e144c4e6SPavel Zakharov boolean_t spa_load_verify_dryrun; 100feef89cfSVictor Latushkin #endif 101feef89cfSVictor Latushkin 1023f7978d0SAlan Somers static const char cmdname[] = "zdb"; 103fa9e4066Sahrens uint8_t dump_opt[256]; 104fa9e4066Sahrens 105fa9e4066Sahrens typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 106fa9e4066Sahrens 107fa9e4066Sahrens uint64_t *zopt_object = NULL; 1083f7978d0SAlan Somers static unsigned zopt_objects = 0; 109de6628f0Sck libzfs_handle_t *g_zfs; 11006be9802SMatthew Ahrens uint64_t max_inflight = 1000; 111fa9e4066Sahrens 112732885fcSMatthew Ahrens static void snprintf_blkptr_compact(char *, size_t, const blkptr_t *); 113732885fcSMatthew Ahrens 114fa9e4066Sahrens /* 115fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 116fa9e4066Sahrens * debugging facilities. 117fa9e4066Sahrens */ 118fa9e4066Sahrens const char * 119fa9e4066Sahrens _umem_debug_init() 120fa9e4066Sahrens { 121fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 122fa9e4066Sahrens } 123fa9e4066Sahrens 124fa9e4066Sahrens const char * 125fa9e4066Sahrens _umem_logging_init(void) 126fa9e4066Sahrens { 127fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 128fa9e4066Sahrens } 129fa9e4066Sahrens 130fa9e4066Sahrens static void 131fa9e4066Sahrens usage(void) 132fa9e4066Sahrens { 133fa9e4066Sahrens (void) fprintf(stderr, 134*86714001SSerapheim Dimitropoulos "Usage:\t%s [-AbcdDFGhikLMPsvX] [-e [-V] [-p <path> ...]] " 135ed61ec1dSYuri Pankov "[-I <inflight I/Os>]\n" 136ed61ec1dSYuri Pankov "\t\t[-o <var>=<value>]... [-t <txg>] [-U <cache>] [-x <dumpdir>]\n" 137ed61ec1dSYuri Pankov "\t\t[<poolname> [<object> ...]]\n" 138dfd5965fSRichard Yao "\t%s [-AdiPv] [-e [-V] [-p <path> ...]] [-U <cache>] <dataset> " 139ed61ec1dSYuri Pankov "[<object> ...]\n" 140ed61ec1dSYuri Pankov "\t%s -C [-A] [-U <cache>]\n" 141ed61ec1dSYuri Pankov "\t%s -l [-Aqu] <device>\n" 142dfd5965fSRichard Yao "\t%s -m [-AFLPX] [-e [-V] [-p <path> ...]] [-t <txg>] " 143dfd5965fSRichard Yao "[-U <cache>]\n\t\t<poolname> [<vdev> [<metaslab> ...]]\n" 144ed61ec1dSYuri Pankov "\t%s -O <dataset> <path>\n" 145dfd5965fSRichard Yao "\t%s -R [-A] [-e [-V] [-p <path> ...]] [-U <cache>]\n" 146ed61ec1dSYuri Pankov "\t\t<poolname> <vdev>:<offset>:<size>[:<flags>]\n" 1474923c69fSMatthew Ahrens "\t%s -E [-A] word0:word1:...:word15\n" 148dfd5965fSRichard Yao "\t%s -S [-AP] [-e [-V] [-p <path> ...]] [-U <cache>] " 149dfd5965fSRichard Yao "<poolname>\n\n", 150ed61ec1dSYuri Pankov cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, 1514923c69fSMatthew Ahrens cmdname, cmdname); 1523ad6c7f9SVictor Latushkin 1533ad6c7f9SVictor Latushkin (void) fprintf(stderr, " Dataset name must include at least one " 1543ad6c7f9SVictor Latushkin "separator character '/' or '@'\n"); 1553ad6c7f9SVictor Latushkin (void) fprintf(stderr, " If dataset name is specified, only that " 1563ad6c7f9SVictor Latushkin "dataset is dumped\n"); 1573ad6c7f9SVictor Latushkin (void) fprintf(stderr, " If object numbers are specified, only " 1583ad6c7f9SVictor Latushkin "those objects are dumped\n\n"); 1593ad6c7f9SVictor Latushkin (void) fprintf(stderr, " Options to control amount of output:\n"); 1603ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -b block statistics\n"); 1613ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -c checksum all metadata (twice for " 1626365109dSVictor Latushkin "all data) blocks\n"); 163ed61ec1dSYuri Pankov (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 164ed61ec1dSYuri Pankov (void) fprintf(stderr, " -d dataset(s)\n"); 165f0ba89beSJeff Bonwick (void) fprintf(stderr, " -D dedup statistics\n"); 1664923c69fSMatthew Ahrens (void) fprintf(stderr, " -E decode and display block from an " 1674923c69fSMatthew Ahrens "embedded block pointer\n"); 168ed61ec1dSYuri Pankov (void) fprintf(stderr, " -h pool history\n"); 169ed61ec1dSYuri Pankov (void) fprintf(stderr, " -i intent logs\n"); 17064723e36SYuri Pankov (void) fprintf(stderr, " -l read label contents\n"); 171*86714001SSerapheim Dimitropoulos (void) fprintf(stderr, " -k examine the checkpointed state " 172*86714001SSerapheim Dimitropoulos "of the pool\n"); 17382a0a985SVictor Latushkin (void) fprintf(stderr, " -L disable leak tracking (do not " 17482a0a985SVictor Latushkin "load spacemaps)\n"); 175ed61ec1dSYuri Pankov (void) fprintf(stderr, " -m metaslabs\n"); 176ed61ec1dSYuri Pankov (void) fprintf(stderr, " -M metaslab groups\n"); 177ed61ec1dSYuri Pankov (void) fprintf(stderr, " -O perform object lookups by path\n"); 178d41e7643Sek (void) fprintf(stderr, " -R read and display block from a " 179ed61ec1dSYuri Pankov "device\n"); 180ed61ec1dSYuri Pankov (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 181ed61ec1dSYuri Pankov (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 182ed61ec1dSYuri Pankov (void) fprintf(stderr, " -v verbose (applies to all " 183ed61ec1dSYuri Pankov "others)\n\n"); 1843ad6c7f9SVictor Latushkin (void) fprintf(stderr, " Below options are intended for use " 185df15e419SMatthew Ahrens "with other options:\n"); 186feef89cfSVictor Latushkin (void) fprintf(stderr, " -A ignore assertions (-A), enable " 187feef89cfSVictor Latushkin "panic recovery (-AA) or both (-AAA)\n"); 1883ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -e pool is exported/destroyed/" 1893ad6c7f9SVictor Latushkin "has altroot/not in a cachefile\n"); 190ed61ec1dSYuri Pankov (void) fprintf(stderr, " -F attempt automatic rewind within " 191ed61ec1dSYuri Pankov "safe range of transaction groups\n"); 192ed61ec1dSYuri Pankov (void) fprintf(stderr, " -G dump zfs_dbgmsg buffer before " 193ed61ec1dSYuri Pankov "exiting\n"); 1942e4c9986SGeorge Wilson (void) fprintf(stderr, " -I <number of inflight I/Os> -- " 195df15e419SMatthew Ahrens "specify the maximum number of " 196df15e419SMatthew Ahrens "checksumming I/Os [default is 200]\n"); 1970e60744cSPavel Zakharov (void) fprintf(stderr, " -o <variable>=<value> set global " 1980e60744cSPavel Zakharov "variable to an unsigned 32-bit integer value\n"); 199ed61ec1dSYuri Pankov (void) fprintf(stderr, " -p <path> -- use one or more with " 200ed61ec1dSYuri Pankov "-e to specify path to vdev dir\n"); 201ed61ec1dSYuri Pankov (void) fprintf(stderr, " -P print numbers in parseable form\n"); 20264723e36SYuri Pankov (void) fprintf(stderr, " -q don't print label contents\n"); 203ed61ec1dSYuri Pankov (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 204ed61ec1dSYuri Pankov "searching for uberblocks\n"); 20564723e36SYuri Pankov (void) fprintf(stderr, " -u uberblock\n"); 206ed61ec1dSYuri Pankov (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 207ed61ec1dSYuri Pankov "cachefile\n"); 208dfd5965fSRichard Yao (void) fprintf(stderr, " -V do verbatim import\n"); 209ed61ec1dSYuri Pankov (void) fprintf(stderr, " -x <dumpdir> -- " 210ed61ec1dSYuri Pankov "dump all read blocks into specified directory\n"); 211ed61ec1dSYuri Pankov (void) fprintf(stderr, " -X attempt extreme rewind (does not " 212ed61ec1dSYuri Pankov "work with dataset)\n\n"); 213fa9e4066Sahrens (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 214fa9e4066Sahrens "to make only that option verbose\n"); 215fa9e4066Sahrens (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 216fa9e4066Sahrens exit(1); 217fa9e4066Sahrens } 218fa9e4066Sahrens 21929bdd2f9SPavel Zakharov static void 22029bdd2f9SPavel Zakharov dump_debug_buffer() 22129bdd2f9SPavel Zakharov { 22229bdd2f9SPavel Zakharov if (dump_opt['G']) { 22329bdd2f9SPavel Zakharov (void) printf("\n"); 22429bdd2f9SPavel Zakharov zfs_dbgmsg_print("zdb"); 22529bdd2f9SPavel Zakharov } 22629bdd2f9SPavel Zakharov } 22729bdd2f9SPavel Zakharov 228ccba0801SRich Morris /* 229ccba0801SRich Morris * Called for usage errors that are discovered after a call to spa_open(), 230ccba0801SRich Morris * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 231ccba0801SRich Morris */ 232ccba0801SRich Morris 233fa9e4066Sahrens static void 234fa9e4066Sahrens fatal(const char *fmt, ...) 235fa9e4066Sahrens { 236fa9e4066Sahrens va_list ap; 237fa9e4066Sahrens 238fa9e4066Sahrens va_start(ap, fmt); 239fa9e4066Sahrens (void) fprintf(stderr, "%s: ", cmdname); 240fa9e4066Sahrens (void) vfprintf(stderr, fmt, ap); 241fa9e4066Sahrens va_end(ap); 242fa9e4066Sahrens (void) fprintf(stderr, "\n"); 243fa9e4066Sahrens 24429bdd2f9SPavel Zakharov dump_debug_buffer(); 24529bdd2f9SPavel Zakharov 246ccba0801SRich Morris exit(1); 247fa9e4066Sahrens } 248fa9e4066Sahrens 249fa9e4066Sahrens /* ARGSUSED */ 250fa9e4066Sahrens static void 251fa9e4066Sahrens dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 252fa9e4066Sahrens { 253fa9e4066Sahrens nvlist_t *nv; 254fa9e4066Sahrens size_t nvsize = *(uint64_t *)data; 255fa9e4066Sahrens char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 256fa9e4066Sahrens 2577bfdf011SNeil Perrin VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 258fa9e4066Sahrens 259fa9e4066Sahrens VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 260fa9e4066Sahrens 261fa9e4066Sahrens umem_free(packed, nvsize); 262fa9e4066Sahrens 263fa9e4066Sahrens dump_nvlist(nv, 8); 264fa9e4066Sahrens 265fa9e4066Sahrens nvlist_free(nv); 266fa9e4066Sahrens } 267fa9e4066Sahrens 2684445fffbSMatthew Ahrens /* ARGSUSED */ 2694445fffbSMatthew Ahrens static void 2704445fffbSMatthew Ahrens dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size) 2714445fffbSMatthew Ahrens { 2724445fffbSMatthew Ahrens spa_history_phys_t *shp = data; 2734445fffbSMatthew Ahrens 2744445fffbSMatthew Ahrens if (shp == NULL) 2754445fffbSMatthew Ahrens return; 2764445fffbSMatthew Ahrens 2774445fffbSMatthew Ahrens (void) printf("\t\tpool_create_len = %llu\n", 2784445fffbSMatthew Ahrens (u_longlong_t)shp->sh_pool_create_len); 2794445fffbSMatthew Ahrens (void) printf("\t\tphys_max_off = %llu\n", 2804445fffbSMatthew Ahrens (u_longlong_t)shp->sh_phys_max_off); 2814445fffbSMatthew Ahrens (void) printf("\t\tbof = %llu\n", 2824445fffbSMatthew Ahrens (u_longlong_t)shp->sh_bof); 2834445fffbSMatthew Ahrens (void) printf("\t\teof = %llu\n", 2844445fffbSMatthew Ahrens (u_longlong_t)shp->sh_eof); 2854445fffbSMatthew Ahrens (void) printf("\t\trecords_lost = %llu\n", 2864445fffbSMatthew Ahrens (u_longlong_t)shp->sh_records_lost); 2874445fffbSMatthew Ahrens } 2884445fffbSMatthew Ahrens 2893f9d6ad7SLin Ling static void 2900a055120SJason King zdb_nicenum(uint64_t num, char *buf, size_t buflen) 2913f9d6ad7SLin Ling { 2923f9d6ad7SLin Ling if (dump_opt['P']) 2930a055120SJason King (void) snprintf(buf, buflen, "%llu", (longlong_t)num); 2943f9d6ad7SLin Ling else 2950a055120SJason King nicenum(num, buf, sizeof (buf)); 2963f9d6ad7SLin Ling } 2973f9d6ad7SLin Ling 2983f7978d0SAlan Somers static const char histo_stars[] = "****************************************"; 2993f7978d0SAlan Somers static const uint64_t histo_width = sizeof (histo_stars) - 1; 300fa9e4066Sahrens 301fa9e4066Sahrens static void 3020713e232SGeorge Wilson dump_histogram(const uint64_t *histo, int size, int offset) 303fa9e4066Sahrens { 304fa9e4066Sahrens int i; 305490d05b9SMatthew Ahrens int minidx = size - 1; 306fa9e4066Sahrens int maxidx = 0; 307fa9e4066Sahrens uint64_t max = 0; 308fa9e4066Sahrens 309490d05b9SMatthew Ahrens for (i = 0; i < size; i++) { 310fa9e4066Sahrens if (histo[i] > max) 311fa9e4066Sahrens max = histo[i]; 312fa9e4066Sahrens if (histo[i] > 0 && i > maxidx) 313fa9e4066Sahrens maxidx = i; 314fa9e4066Sahrens if (histo[i] > 0 && i < minidx) 315fa9e4066Sahrens minidx = i; 316fa9e4066Sahrens } 317fa9e4066Sahrens 318490d05b9SMatthew Ahrens if (max < histo_width) 319490d05b9SMatthew Ahrens max = histo_width; 320fa9e4066Sahrens 321490d05b9SMatthew Ahrens for (i = minidx; i <= maxidx; i++) { 322490d05b9SMatthew Ahrens (void) printf("\t\t\t%3u: %6llu %s\n", 3230713e232SGeorge Wilson i + offset, (u_longlong_t)histo[i], 324490d05b9SMatthew Ahrens &histo_stars[(max - histo[i]) * histo_width / max]); 325490d05b9SMatthew Ahrens } 326fa9e4066Sahrens } 327fa9e4066Sahrens 328fa9e4066Sahrens static void 329fa9e4066Sahrens dump_zap_stats(objset_t *os, uint64_t object) 330fa9e4066Sahrens { 331fa9e4066Sahrens int error; 332fa9e4066Sahrens zap_stats_t zs; 333fa9e4066Sahrens 334fa9e4066Sahrens error = zap_get_stats(os, object, &zs); 335fa9e4066Sahrens if (error) 336fa9e4066Sahrens return; 337fa9e4066Sahrens 338fa9e4066Sahrens if (zs.zs_ptrtbl_len == 0) { 339fa9e4066Sahrens ASSERT(zs.zs_num_blocks == 1); 340fa9e4066Sahrens (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 341fa9e4066Sahrens (u_longlong_t)zs.zs_blocksize, 342fa9e4066Sahrens (u_longlong_t)zs.zs_num_entries); 343fa9e4066Sahrens return; 344fa9e4066Sahrens } 345fa9e4066Sahrens 346fa9e4066Sahrens (void) printf("\tFat ZAP stats:\n"); 3478248818dSnd 3488248818dSnd (void) printf("\t\tPointer table:\n"); 3498248818dSnd (void) printf("\t\t\t%llu elements\n", 350fa9e4066Sahrens (u_longlong_t)zs.zs_ptrtbl_len); 3518248818dSnd (void) printf("\t\t\tzt_blk: %llu\n", 3528248818dSnd (u_longlong_t)zs.zs_ptrtbl_zt_blk); 3538248818dSnd (void) printf("\t\t\tzt_numblks: %llu\n", 3548248818dSnd (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 3558248818dSnd (void) printf("\t\t\tzt_shift: %llu\n", 3568248818dSnd (u_longlong_t)zs.zs_ptrtbl_zt_shift); 3578248818dSnd (void) printf("\t\t\tzt_blks_copied: %llu\n", 3588248818dSnd (u_longlong_t)zs.zs_ptrtbl_blks_copied); 3598248818dSnd (void) printf("\t\t\tzt_nextblk: %llu\n", 3608248818dSnd (u_longlong_t)zs.zs_ptrtbl_nextblk); 3618248818dSnd 362fa9e4066Sahrens (void) printf("\t\tZAP entries: %llu\n", 363fa9e4066Sahrens (u_longlong_t)zs.zs_num_entries); 364fa9e4066Sahrens (void) printf("\t\tLeaf blocks: %llu\n", 365fa9e4066Sahrens (u_longlong_t)zs.zs_num_leafs); 366fa9e4066Sahrens (void) printf("\t\tTotal blocks: %llu\n", 367fa9e4066Sahrens (u_longlong_t)zs.zs_num_blocks); 3688248818dSnd (void) printf("\t\tzap_block_type: 0x%llx\n", 3698248818dSnd (u_longlong_t)zs.zs_block_type); 3708248818dSnd (void) printf("\t\tzap_magic: 0x%llx\n", 3718248818dSnd (u_longlong_t)zs.zs_magic); 3728248818dSnd (void) printf("\t\tzap_salt: 0x%llx\n", 3738248818dSnd (u_longlong_t)zs.zs_salt); 374fa9e4066Sahrens 375fa9e4066Sahrens (void) printf("\t\tLeafs with 2^n pointers:\n"); 3760713e232SGeorge Wilson dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0); 377fa9e4066Sahrens 378fa9e4066Sahrens (void) printf("\t\tBlocks with n*5 entries:\n"); 3790713e232SGeorge Wilson dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0); 380fa9e4066Sahrens 381fa9e4066Sahrens (void) printf("\t\tBlocks n/10 full:\n"); 3820713e232SGeorge Wilson dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0); 383fa9e4066Sahrens 384fa9e4066Sahrens (void) printf("\t\tEntries with n chunks:\n"); 3850713e232SGeorge Wilson dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0); 386fa9e4066Sahrens 387fa9e4066Sahrens (void) printf("\t\tBuckets with n entries:\n"); 3880713e232SGeorge Wilson dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0); 389fa9e4066Sahrens } 390fa9e4066Sahrens 391fa9e4066Sahrens /*ARGSUSED*/ 392fa9e4066Sahrens static void 393fa9e4066Sahrens dump_none(objset_t *os, uint64_t object, void *data, size_t size) 394fa9e4066Sahrens { 395fa9e4066Sahrens } 396fa9e4066Sahrens 3976de8f417SVictor Latushkin /*ARGSUSED*/ 3986de8f417SVictor Latushkin static void 3996de8f417SVictor Latushkin dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 4006de8f417SVictor Latushkin { 4016de8f417SVictor Latushkin (void) printf("\tUNKNOWN OBJECT TYPE\n"); 4026de8f417SVictor Latushkin } 4036de8f417SVictor Latushkin 404fa9e4066Sahrens /*ARGSUSED*/ 4053f7978d0SAlan Somers static void 406fa9e4066Sahrens dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 407fa9e4066Sahrens { 408fa9e4066Sahrens } 409fa9e4066Sahrens 410fa9e4066Sahrens /*ARGSUSED*/ 411fa9e4066Sahrens static void 412fa9e4066Sahrens dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 413fa9e4066Sahrens { 414fa9e4066Sahrens } 415fa9e4066Sahrens 416fa9e4066Sahrens /*ARGSUSED*/ 417fa9e4066Sahrens static void 418fa9e4066Sahrens dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 419fa9e4066Sahrens { 420fa9e4066Sahrens zap_cursor_t zc; 421fa9e4066Sahrens zap_attribute_t attr; 422fa9e4066Sahrens void *prop; 4233f7978d0SAlan Somers unsigned i; 424fa9e4066Sahrens 425fa9e4066Sahrens dump_zap_stats(os, object); 426fa9e4066Sahrens (void) printf("\n"); 427fa9e4066Sahrens 428fa9e4066Sahrens for (zap_cursor_init(&zc, os, object); 429fa9e4066Sahrens zap_cursor_retrieve(&zc, &attr) == 0; 430fa9e4066Sahrens zap_cursor_advance(&zc)) { 431fa9e4066Sahrens (void) printf("\t\t%s = ", attr.za_name); 432fa9e4066Sahrens if (attr.za_num_integers == 0) { 433fa9e4066Sahrens (void) printf("\n"); 434fa9e4066Sahrens continue; 435fa9e4066Sahrens } 436fa9e4066Sahrens prop = umem_zalloc(attr.za_num_integers * 437fa9e4066Sahrens attr.za_integer_length, UMEM_NOFAIL); 438fa9e4066Sahrens (void) zap_lookup(os, object, attr.za_name, 439fa9e4066Sahrens attr.za_integer_length, attr.za_num_integers, prop); 440fa9e4066Sahrens if (attr.za_integer_length == 1) { 441fa9e4066Sahrens (void) printf("%s", (char *)prop); 442fa9e4066Sahrens } else { 443fa9e4066Sahrens for (i = 0; i < attr.za_num_integers; i++) { 444fa9e4066Sahrens switch (attr.za_integer_length) { 445fa9e4066Sahrens case 2: 446fa9e4066Sahrens (void) printf("%u ", 447fa9e4066Sahrens ((uint16_t *)prop)[i]); 448fa9e4066Sahrens break; 449fa9e4066Sahrens case 4: 450fa9e4066Sahrens (void) printf("%u ", 451fa9e4066Sahrens ((uint32_t *)prop)[i]); 452fa9e4066Sahrens break; 453fa9e4066Sahrens case 8: 454fa9e4066Sahrens (void) printf("%lld ", 455fa9e4066Sahrens (u_longlong_t)((int64_t *)prop)[i]); 456fa9e4066Sahrens break; 457fa9e4066Sahrens } 458fa9e4066Sahrens } 459fa9e4066Sahrens } 460fa9e4066Sahrens (void) printf("\n"); 461fa9e4066Sahrens umem_free(prop, attr.za_num_integers * attr.za_integer_length); 462fa9e4066Sahrens } 46387e5029aSahrens zap_cursor_fini(&zc); 464fa9e4066Sahrens } 465fa9e4066Sahrens 466732885fcSMatthew Ahrens static void 467732885fcSMatthew Ahrens dump_bpobj(objset_t *os, uint64_t object, void *data, size_t size) 468732885fcSMatthew Ahrens { 469732885fcSMatthew Ahrens bpobj_phys_t *bpop = data; 470732885fcSMatthew Ahrens char bytes[32], comp[32], uncomp[32]; 471732885fcSMatthew Ahrens 4720a055120SJason King /* make sure the output won't get truncated */ 4730a055120SJason King CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ); 4740a055120SJason King CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ); 4750a055120SJason King CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ); 4760a055120SJason King 477732885fcSMatthew Ahrens if (bpop == NULL) 478732885fcSMatthew Ahrens return; 479732885fcSMatthew Ahrens 4800a055120SJason King zdb_nicenum(bpop->bpo_bytes, bytes, sizeof (bytes)); 4810a055120SJason King zdb_nicenum(bpop->bpo_comp, comp, sizeof (comp)); 4820a055120SJason King zdb_nicenum(bpop->bpo_uncomp, uncomp, sizeof (uncomp)); 483732885fcSMatthew Ahrens 484732885fcSMatthew Ahrens (void) printf("\t\tnum_blkptrs = %llu\n", 485732885fcSMatthew Ahrens (u_longlong_t)bpop->bpo_num_blkptrs); 486732885fcSMatthew Ahrens (void) printf("\t\tbytes = %s\n", bytes); 487732885fcSMatthew Ahrens if (size >= BPOBJ_SIZE_V1) { 488732885fcSMatthew Ahrens (void) printf("\t\tcomp = %s\n", comp); 489732885fcSMatthew Ahrens (void) printf("\t\tuncomp = %s\n", uncomp); 490732885fcSMatthew Ahrens } 491732885fcSMatthew Ahrens if (size >= sizeof (*bpop)) { 492732885fcSMatthew Ahrens (void) printf("\t\tsubobjs = %llu\n", 493732885fcSMatthew Ahrens (u_longlong_t)bpop->bpo_subobjs); 494732885fcSMatthew Ahrens (void) printf("\t\tnum_subobjs = %llu\n", 495732885fcSMatthew Ahrens (u_longlong_t)bpop->bpo_num_subobjs); 496732885fcSMatthew Ahrens } 497732885fcSMatthew Ahrens 498732885fcSMatthew Ahrens if (dump_opt['d'] < 5) 499732885fcSMatthew Ahrens return; 500732885fcSMatthew Ahrens 501732885fcSMatthew Ahrens for (uint64_t i = 0; i < bpop->bpo_num_blkptrs; i++) { 502732885fcSMatthew Ahrens char blkbuf[BP_SPRINTF_LEN]; 503732885fcSMatthew Ahrens blkptr_t bp; 504732885fcSMatthew Ahrens 505732885fcSMatthew Ahrens int err = dmu_read(os, object, 506732885fcSMatthew Ahrens i * sizeof (bp), sizeof (bp), &bp, 0); 507732885fcSMatthew Ahrens if (err != 0) { 508732885fcSMatthew Ahrens (void) printf("got error %u from dmu_read\n", err); 509732885fcSMatthew Ahrens break; 510732885fcSMatthew Ahrens } 511732885fcSMatthew Ahrens snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), &bp); 512732885fcSMatthew Ahrens (void) printf("\t%s\n", blkbuf); 513732885fcSMatthew Ahrens } 514732885fcSMatthew Ahrens } 515732885fcSMatthew Ahrens 516732885fcSMatthew Ahrens /* ARGSUSED */ 517732885fcSMatthew Ahrens static void 518732885fcSMatthew Ahrens dump_bpobj_subobjs(objset_t *os, uint64_t object, void *data, size_t size) 519732885fcSMatthew Ahrens { 520732885fcSMatthew Ahrens dmu_object_info_t doi; 521732885fcSMatthew Ahrens 522732885fcSMatthew Ahrens VERIFY0(dmu_object_info(os, object, &doi)); 523732885fcSMatthew Ahrens uint64_t *subobjs = kmem_alloc(doi.doi_max_offset, KM_SLEEP); 524732885fcSMatthew Ahrens 525732885fcSMatthew Ahrens int err = dmu_read(os, object, 0, doi.doi_max_offset, subobjs, 0); 526732885fcSMatthew Ahrens if (err != 0) { 527732885fcSMatthew Ahrens (void) printf("got error %u from dmu_read\n", err); 528732885fcSMatthew Ahrens kmem_free(subobjs, doi.doi_max_offset); 529732885fcSMatthew Ahrens return; 530732885fcSMatthew Ahrens } 531732885fcSMatthew Ahrens 532732885fcSMatthew Ahrens int64_t last_nonzero = -1; 533732885fcSMatthew Ahrens for (uint64_t i = 0; i < doi.doi_max_offset / 8; i++) { 534732885fcSMatthew Ahrens if (subobjs[i] != 0) 535732885fcSMatthew Ahrens last_nonzero = i; 536732885fcSMatthew Ahrens } 537732885fcSMatthew Ahrens 538732885fcSMatthew Ahrens for (int64_t i = 0; i <= last_nonzero; i++) { 539732885fcSMatthew Ahrens (void) printf("\t%llu\n", (longlong_t)subobjs[i]); 540732885fcSMatthew Ahrens } 541732885fcSMatthew Ahrens kmem_free(subobjs, doi.doi_max_offset); 542732885fcSMatthew Ahrens } 543732885fcSMatthew Ahrens 544486ae710SMatthew Ahrens /*ARGSUSED*/ 545486ae710SMatthew Ahrens static void 546486ae710SMatthew Ahrens dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 547486ae710SMatthew Ahrens { 548486ae710SMatthew Ahrens dump_zap_stats(os, object); 549486ae710SMatthew Ahrens /* contents are printed elsewhere, properly decoded */ 550486ae710SMatthew Ahrens } 551486ae710SMatthew Ahrens 5520a586ceaSMark Shellenbaum /*ARGSUSED*/ 5530a586ceaSMark Shellenbaum static void 5540a586ceaSMark Shellenbaum dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 5550a586ceaSMark Shellenbaum { 5560a586ceaSMark Shellenbaum zap_cursor_t zc; 5570a586ceaSMark Shellenbaum zap_attribute_t attr; 5580a586ceaSMark Shellenbaum 5590a586ceaSMark Shellenbaum dump_zap_stats(os, object); 5600a586ceaSMark Shellenbaum (void) printf("\n"); 5610a586ceaSMark Shellenbaum 5620a586ceaSMark Shellenbaum for (zap_cursor_init(&zc, os, object); 5630a586ceaSMark Shellenbaum zap_cursor_retrieve(&zc, &attr) == 0; 5640a586ceaSMark Shellenbaum zap_cursor_advance(&zc)) { 5650a586ceaSMark Shellenbaum (void) printf("\t\t%s = ", attr.za_name); 5660a586ceaSMark Shellenbaum if (attr.za_num_integers == 0) { 5670a586ceaSMark Shellenbaum (void) printf("\n"); 5680a586ceaSMark Shellenbaum continue; 5690a586ceaSMark Shellenbaum } 5700a586ceaSMark Shellenbaum (void) printf(" %llx : [%d:%d:%d]\n", 5710a586ceaSMark Shellenbaum (u_longlong_t)attr.za_first_integer, 5720a586ceaSMark Shellenbaum (int)ATTR_LENGTH(attr.za_first_integer), 5730a586ceaSMark Shellenbaum (int)ATTR_BSWAP(attr.za_first_integer), 5740a586ceaSMark Shellenbaum (int)ATTR_NUM(attr.za_first_integer)); 5750a586ceaSMark Shellenbaum } 5760a586ceaSMark Shellenbaum zap_cursor_fini(&zc); 5770a586ceaSMark Shellenbaum } 5780a586ceaSMark Shellenbaum 5790a586ceaSMark Shellenbaum /*ARGSUSED*/ 5800a586ceaSMark Shellenbaum static void 5810a586ceaSMark Shellenbaum dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 5820a586ceaSMark Shellenbaum { 5830a586ceaSMark Shellenbaum zap_cursor_t zc; 5840a586ceaSMark Shellenbaum zap_attribute_t attr; 5850a586ceaSMark Shellenbaum uint16_t *layout_attrs; 5863f7978d0SAlan Somers unsigned i; 5870a586ceaSMark Shellenbaum 5880a586ceaSMark Shellenbaum dump_zap_stats(os, object); 5890a586ceaSMark Shellenbaum (void) printf("\n"); 5900a586ceaSMark Shellenbaum 5910a586ceaSMark Shellenbaum for (zap_cursor_init(&zc, os, object); 5920a586ceaSMark Shellenbaum zap_cursor_retrieve(&zc, &attr) == 0; 5930a586ceaSMark Shellenbaum zap_cursor_advance(&zc)) { 5940a586ceaSMark Shellenbaum (void) printf("\t\t%s = [", attr.za_name); 5950a586ceaSMark Shellenbaum if (attr.za_num_integers == 0) { 5960a586ceaSMark Shellenbaum (void) printf("\n"); 5970a586ceaSMark Shellenbaum continue; 5980a586ceaSMark Shellenbaum } 5990a586ceaSMark Shellenbaum 6000a586ceaSMark Shellenbaum VERIFY(attr.za_integer_length == 2); 6010a586ceaSMark Shellenbaum layout_attrs = umem_zalloc(attr.za_num_integers * 6020a586ceaSMark Shellenbaum attr.za_integer_length, UMEM_NOFAIL); 6030a586ceaSMark Shellenbaum 6040a586ceaSMark Shellenbaum VERIFY(zap_lookup(os, object, attr.za_name, 6050a586ceaSMark Shellenbaum attr.za_integer_length, 6060a586ceaSMark Shellenbaum attr.za_num_integers, layout_attrs) == 0); 6070a586ceaSMark Shellenbaum 6080a586ceaSMark Shellenbaum for (i = 0; i != attr.za_num_integers; i++) 6090a586ceaSMark Shellenbaum (void) printf(" %d ", (int)layout_attrs[i]); 6100a586ceaSMark Shellenbaum (void) printf("]\n"); 6110a586ceaSMark Shellenbaum umem_free(layout_attrs, 6120a586ceaSMark Shellenbaum attr.za_num_integers * attr.za_integer_length); 6130a586ceaSMark Shellenbaum } 6140a586ceaSMark Shellenbaum zap_cursor_fini(&zc); 6150a586ceaSMark Shellenbaum } 6160a586ceaSMark Shellenbaum 617e7437265Sahrens /*ARGSUSED*/ 618e7437265Sahrens static void 619e7437265Sahrens dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 620e7437265Sahrens { 621e7437265Sahrens zap_cursor_t zc; 622e7437265Sahrens zap_attribute_t attr; 623e7437265Sahrens const char *typenames[] = { 624e7437265Sahrens /* 0 */ "not specified", 625e7437265Sahrens /* 1 */ "FIFO", 626e7437265Sahrens /* 2 */ "Character Device", 627e7437265Sahrens /* 3 */ "3 (invalid)", 628e7437265Sahrens /* 4 */ "Directory", 629e7437265Sahrens /* 5 */ "5 (invalid)", 630e7437265Sahrens /* 6 */ "Block Device", 631e7437265Sahrens /* 7 */ "7 (invalid)", 632e7437265Sahrens /* 8 */ "Regular File", 633e7437265Sahrens /* 9 */ "9 (invalid)", 634e7437265Sahrens /* 10 */ "Symbolic Link", 635e7437265Sahrens /* 11 */ "11 (invalid)", 636e7437265Sahrens /* 12 */ "Socket", 637e7437265Sahrens /* 13 */ "Door", 638e7437265Sahrens /* 14 */ "Event Port", 639e7437265Sahrens /* 15 */ "15 (invalid)", 640e7437265Sahrens }; 641e7437265Sahrens 642e7437265Sahrens dump_zap_stats(os, object); 643e7437265Sahrens (void) printf("\n"); 644e7437265Sahrens 645e7437265Sahrens for (zap_cursor_init(&zc, os, object); 646e7437265Sahrens zap_cursor_retrieve(&zc, &attr) == 0; 647e7437265Sahrens zap_cursor_advance(&zc)) { 648e7437265Sahrens (void) printf("\t\t%s = %lld (type: %s)\n", 649e7437265Sahrens attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 650e7437265Sahrens typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 651e7437265Sahrens } 652e7437265Sahrens zap_cursor_fini(&zc); 653e7437265Sahrens } 654e7437265Sahrens 6553f7978d0SAlan Somers static int 6560713e232SGeorge Wilson get_dtl_refcount(vdev_t *vd) 6570713e232SGeorge Wilson { 6580713e232SGeorge Wilson int refcount = 0; 6590713e232SGeorge Wilson 6600713e232SGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 6610713e232SGeorge Wilson space_map_t *sm = vd->vdev_dtl_sm; 6620713e232SGeorge Wilson 6630713e232SGeorge Wilson if (sm != NULL && 6640713e232SGeorge Wilson sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 6650713e232SGeorge Wilson return (1); 6660713e232SGeorge Wilson return (0); 6670713e232SGeorge Wilson } 6680713e232SGeorge Wilson 6693f7978d0SAlan Somers for (unsigned c = 0; c < vd->vdev_children; c++) 6700713e232SGeorge Wilson refcount += get_dtl_refcount(vd->vdev_child[c]); 6710713e232SGeorge Wilson return (refcount); 6720713e232SGeorge Wilson } 6730713e232SGeorge Wilson 6743f7978d0SAlan Somers static int 6750713e232SGeorge Wilson get_metaslab_refcount(vdev_t *vd) 6760713e232SGeorge Wilson { 6770713e232SGeorge Wilson int refcount = 0; 6780713e232SGeorge Wilson 6795cabbc6bSPrashanth Sreenivasa if (vd->vdev_top == vd) { 6805cabbc6bSPrashanth Sreenivasa for (uint64_t m = 0; m < vd->vdev_ms_count; m++) { 6810713e232SGeorge Wilson space_map_t *sm = vd->vdev_ms[m]->ms_sm; 6820713e232SGeorge Wilson 6830713e232SGeorge Wilson if (sm != NULL && 6840713e232SGeorge Wilson sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 6850713e232SGeorge Wilson refcount++; 6860713e232SGeorge Wilson } 6870713e232SGeorge Wilson } 6883f7978d0SAlan Somers for (unsigned c = 0; c < vd->vdev_children; c++) 6890713e232SGeorge Wilson refcount += get_metaslab_refcount(vd->vdev_child[c]); 6900713e232SGeorge Wilson 6910713e232SGeorge Wilson return (refcount); 6920713e232SGeorge Wilson } 6930713e232SGeorge Wilson 6945cabbc6bSPrashanth Sreenivasa static int 6955cabbc6bSPrashanth Sreenivasa get_obsolete_refcount(vdev_t *vd) 6965cabbc6bSPrashanth Sreenivasa { 6975cabbc6bSPrashanth Sreenivasa int refcount = 0; 6985cabbc6bSPrashanth Sreenivasa 6995cabbc6bSPrashanth Sreenivasa uint64_t obsolete_sm_obj = vdev_obsolete_sm_object(vd); 7005cabbc6bSPrashanth Sreenivasa if (vd->vdev_top == vd && obsolete_sm_obj != 0) { 7015cabbc6bSPrashanth Sreenivasa dmu_object_info_t doi; 7025cabbc6bSPrashanth Sreenivasa VERIFY0(dmu_object_info(vd->vdev_spa->spa_meta_objset, 7035cabbc6bSPrashanth Sreenivasa obsolete_sm_obj, &doi)); 7045cabbc6bSPrashanth Sreenivasa if (doi.doi_bonus_size == sizeof (space_map_phys_t)) { 7055cabbc6bSPrashanth Sreenivasa refcount++; 7065cabbc6bSPrashanth Sreenivasa } 7075cabbc6bSPrashanth Sreenivasa } else { 7085cabbc6bSPrashanth Sreenivasa ASSERT3P(vd->vdev_obsolete_sm, ==, NULL); 7095cabbc6bSPrashanth Sreenivasa ASSERT3U(obsolete_sm_obj, ==, 0); 7105cabbc6bSPrashanth Sreenivasa } 7115cabbc6bSPrashanth Sreenivasa for (unsigned c = 0; c < vd->vdev_children; c++) { 7125cabbc6bSPrashanth Sreenivasa refcount += get_obsolete_refcount(vd->vdev_child[c]); 7135cabbc6bSPrashanth Sreenivasa } 7145cabbc6bSPrashanth Sreenivasa 7155cabbc6bSPrashanth Sreenivasa return (refcount); 7165cabbc6bSPrashanth Sreenivasa } 7175cabbc6bSPrashanth Sreenivasa 7185cabbc6bSPrashanth Sreenivasa static int 7195cabbc6bSPrashanth Sreenivasa get_prev_obsolete_spacemap_refcount(spa_t *spa) 7205cabbc6bSPrashanth Sreenivasa { 7215cabbc6bSPrashanth Sreenivasa uint64_t prev_obj = 7225cabbc6bSPrashanth Sreenivasa spa->spa_condensing_indirect_phys.scip_prev_obsolete_sm_object; 7235cabbc6bSPrashanth Sreenivasa if (prev_obj != 0) { 7245cabbc6bSPrashanth Sreenivasa dmu_object_info_t doi; 7255cabbc6bSPrashanth Sreenivasa VERIFY0(dmu_object_info(spa->spa_meta_objset, prev_obj, &doi)); 7265cabbc6bSPrashanth Sreenivasa if (doi.doi_bonus_size == sizeof (space_map_phys_t)) { 7275cabbc6bSPrashanth Sreenivasa return (1); 7285cabbc6bSPrashanth Sreenivasa } 7295cabbc6bSPrashanth Sreenivasa } 7305cabbc6bSPrashanth Sreenivasa return (0); 7315cabbc6bSPrashanth Sreenivasa } 7325cabbc6bSPrashanth Sreenivasa 733*86714001SSerapheim Dimitropoulos static int 734*86714001SSerapheim Dimitropoulos get_checkpoint_refcount(vdev_t *vd) 735*86714001SSerapheim Dimitropoulos { 736*86714001SSerapheim Dimitropoulos int refcount = 0; 737*86714001SSerapheim Dimitropoulos 738*86714001SSerapheim Dimitropoulos if (vd->vdev_top == vd && vd->vdev_top_zap != 0 && 739*86714001SSerapheim Dimitropoulos zap_contains(spa_meta_objset(vd->vdev_spa), 740*86714001SSerapheim Dimitropoulos vd->vdev_top_zap, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) == 0) 741*86714001SSerapheim Dimitropoulos refcount++; 742*86714001SSerapheim Dimitropoulos 743*86714001SSerapheim Dimitropoulos for (uint64_t c = 0; c < vd->vdev_children; c++) 744*86714001SSerapheim Dimitropoulos refcount += get_checkpoint_refcount(vd->vdev_child[c]); 745*86714001SSerapheim Dimitropoulos 746*86714001SSerapheim Dimitropoulos return (refcount); 747*86714001SSerapheim Dimitropoulos } 748*86714001SSerapheim Dimitropoulos 7490713e232SGeorge Wilson static int 7500713e232SGeorge Wilson verify_spacemap_refcounts(spa_t *spa) 7510713e232SGeorge Wilson { 7522acef22dSMatthew Ahrens uint64_t expected_refcount = 0; 7532acef22dSMatthew Ahrens uint64_t actual_refcount; 7540713e232SGeorge Wilson 7552acef22dSMatthew Ahrens (void) feature_get_refcount(spa, 7562acef22dSMatthew Ahrens &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM], 7572acef22dSMatthew Ahrens &expected_refcount); 7580713e232SGeorge Wilson actual_refcount = get_dtl_refcount(spa->spa_root_vdev); 7590713e232SGeorge Wilson actual_refcount += get_metaslab_refcount(spa->spa_root_vdev); 7605cabbc6bSPrashanth Sreenivasa actual_refcount += get_obsolete_refcount(spa->spa_root_vdev); 7615cabbc6bSPrashanth Sreenivasa actual_refcount += get_prev_obsolete_spacemap_refcount(spa); 762*86714001SSerapheim Dimitropoulos actual_refcount += get_checkpoint_refcount(spa->spa_root_vdev); 7630713e232SGeorge Wilson 7640713e232SGeorge Wilson if (expected_refcount != actual_refcount) { 7652acef22dSMatthew Ahrens (void) printf("space map refcount mismatch: expected %lld != " 7662acef22dSMatthew Ahrens "actual %lld\n", 7672acef22dSMatthew Ahrens (longlong_t)expected_refcount, 7682acef22dSMatthew Ahrens (longlong_t)actual_refcount); 7690713e232SGeorge Wilson return (2); 7700713e232SGeorge Wilson } 7710713e232SGeorge Wilson return (0); 7720713e232SGeorge Wilson } 7730713e232SGeorge Wilson 774fa9e4066Sahrens static void 7750713e232SGeorge Wilson dump_spacemap(objset_t *os, space_map_t *sm) 776fa9e4066Sahrens { 777fa9e4066Sahrens uint64_t alloc, offset, entry; 7785cabbc6bSPrashanth Sreenivasa char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 7795cabbc6bSPrashanth Sreenivasa "INVALID", "INVALID", "INVALID", "INVALID" }; 780fa9e4066Sahrens 7810713e232SGeorge Wilson if (sm == NULL) 782fa9e4066Sahrens return; 783fa9e4066Sahrens 7845cabbc6bSPrashanth Sreenivasa (void) printf("space map object %llu:\n", 7855cabbc6bSPrashanth Sreenivasa (longlong_t)sm->sm_phys->smp_object); 7865cabbc6bSPrashanth Sreenivasa (void) printf(" smp_objsize = 0x%llx\n", 7875cabbc6bSPrashanth Sreenivasa (longlong_t)sm->sm_phys->smp_objsize); 7885cabbc6bSPrashanth Sreenivasa (void) printf(" smp_alloc = 0x%llx\n", 7895cabbc6bSPrashanth Sreenivasa (longlong_t)sm->sm_phys->smp_alloc); 7905cabbc6bSPrashanth Sreenivasa 791fa9e4066Sahrens /* 792fa9e4066Sahrens * Print out the freelist entries in both encoded and decoded form. 793fa9e4066Sahrens */ 794fa9e4066Sahrens alloc = 0; 7950713e232SGeorge Wilson for (offset = 0; offset < space_map_length(sm); 7960713e232SGeorge Wilson offset += sizeof (entry)) { 7970713e232SGeorge Wilson uint8_t mapshift = sm->sm_shift; 7980713e232SGeorge Wilson 7990713e232SGeorge Wilson VERIFY0(dmu_read(os, space_map_object(sm), offset, 8007bfdf011SNeil Perrin sizeof (entry), &entry, DMU_READ_PREFETCH)); 801fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 8020713e232SGeorge Wilson 80387219db7SVictor Latushkin (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 804fa9e4066Sahrens (u_longlong_t)(offset / sizeof (entry)), 805fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 8065ad82045Snd (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 8075ad82045Snd (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 808fa9e4066Sahrens } else { 80987219db7SVictor Latushkin (void) printf("\t [%6llu] %c range:" 81087219db7SVictor Latushkin " %010llx-%010llx size: %06llx\n", 811fa9e4066Sahrens (u_longlong_t)(offset / sizeof (entry)), 812fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 8135ad82045Snd (u_longlong_t)((SM_OFFSET_DECODE(entry) << 8140713e232SGeorge Wilson mapshift) + sm->sm_start), 8155ad82045Snd (u_longlong_t)((SM_OFFSET_DECODE(entry) << 8160713e232SGeorge Wilson mapshift) + sm->sm_start + 8170713e232SGeorge Wilson (SM_RUN_DECODE(entry) << mapshift)), 8185ad82045Snd (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 819fa9e4066Sahrens if (SM_TYPE_DECODE(entry) == SM_ALLOC) 820fa9e4066Sahrens alloc += SM_RUN_DECODE(entry) << mapshift; 821fa9e4066Sahrens else 822fa9e4066Sahrens alloc -= SM_RUN_DECODE(entry) << mapshift; 823fa9e4066Sahrens } 824fa9e4066Sahrens } 8250713e232SGeorge Wilson if (alloc != space_map_allocated(sm)) { 826fa9e4066Sahrens (void) printf("space_map_object alloc (%llu) INCONSISTENT " 827fa9e4066Sahrens "with space map summary (%llu)\n", 8280713e232SGeorge Wilson (u_longlong_t)space_map_allocated(sm), (u_longlong_t)alloc); 829fa9e4066Sahrens } 830fa9e4066Sahrens } 831fa9e4066Sahrens 832d6e555bdSGeorge Wilson static void 833d6e555bdSGeorge Wilson dump_metaslab_stats(metaslab_t *msp) 834d6e555bdSGeorge Wilson { 8353f9d6ad7SLin Ling char maxbuf[32]; 836*86714001SSerapheim Dimitropoulos range_tree_t *rt = msp->ms_allocatable; 837*86714001SSerapheim Dimitropoulos avl_tree_t *t = &msp->ms_allocatable_by_size; 8380713e232SGeorge Wilson int free_pct = range_tree_space(rt) * 100 / msp->ms_size; 839d6e555bdSGeorge Wilson 8400a055120SJason King /* max sure nicenum has enough space */ 8410a055120SJason King CTASSERT(sizeof (maxbuf) >= NN_NUMBUF_SZ); 8420a055120SJason King 8430a055120SJason King zdb_nicenum(metaslab_block_maxsize(msp), maxbuf, sizeof (maxbuf)); 844d6e555bdSGeorge Wilson 84587219db7SVictor Latushkin (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 846d6e555bdSGeorge Wilson "segments", avl_numnodes(t), "maxsize", maxbuf, 847d6e555bdSGeorge Wilson "freepct", free_pct); 8480713e232SGeorge Wilson (void) printf("\tIn-memory histogram:\n"); 8490713e232SGeorge Wilson dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 850d6e555bdSGeorge Wilson } 851d6e555bdSGeorge Wilson 852fa9e4066Sahrens static void 853fa9e4066Sahrens dump_metaslab(metaslab_t *msp) 854fa9e4066Sahrens { 855fa9e4066Sahrens vdev_t *vd = msp->ms_group->mg_vd; 856fa9e4066Sahrens spa_t *spa = vd->vdev_spa; 8570713e232SGeorge Wilson space_map_t *sm = msp->ms_sm; 8583f9d6ad7SLin Ling char freebuf[32]; 859fa9e4066Sahrens 8600a055120SJason King zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf, 8610a055120SJason King sizeof (freebuf)); 862fa9e4066Sahrens 863fa9e4066Sahrens (void) printf( 86487219db7SVictor Latushkin "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 8650713e232SGeorge Wilson (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start, 8660713e232SGeorge Wilson (u_longlong_t)space_map_object(sm), freebuf); 867fa9e4066Sahrens 8680713e232SGeorge Wilson if (dump_opt['m'] > 2 && !dump_opt['L']) { 869d6e555bdSGeorge Wilson mutex_enter(&msp->ms_lock); 8700713e232SGeorge Wilson metaslab_load_wait(msp); 8710713e232SGeorge Wilson if (!msp->ms_loaded) { 8720713e232SGeorge Wilson VERIFY0(metaslab_load(msp)); 873*86714001SSerapheim Dimitropoulos range_tree_stat_verify(msp->ms_allocatable); 8740713e232SGeorge Wilson } 875bc3975b5SVictor Latushkin dump_metaslab_stats(msp); 8760713e232SGeorge Wilson metaslab_unload(msp); 877d6e555bdSGeorge Wilson mutex_exit(&msp->ms_lock); 878d6e555bdSGeorge Wilson } 879d6e555bdSGeorge Wilson 8800713e232SGeorge Wilson if (dump_opt['m'] > 1 && sm != NULL && 8812acef22dSMatthew Ahrens spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) { 8820713e232SGeorge Wilson /* 8830713e232SGeorge Wilson * The space map histogram represents free space in chunks 8840713e232SGeorge Wilson * of sm_shift (i.e. bucket 0 refers to 2^sm_shift). 8850713e232SGeorge Wilson */ 8862e4c9986SGeorge Wilson (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n", 8872e4c9986SGeorge Wilson (u_longlong_t)msp->ms_fragmentation); 8880713e232SGeorge Wilson dump_histogram(sm->sm_phys->smp_histogram, 8892e4c9986SGeorge Wilson SPACE_MAP_HISTOGRAM_SIZE, sm->sm_shift); 8900713e232SGeorge Wilson } 8910713e232SGeorge Wilson 8920713e232SGeorge Wilson if (dump_opt['d'] > 5 || dump_opt['m'] > 3) { 8930713e232SGeorge Wilson ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift)); 894d6e555bdSGeorge Wilson 8950713e232SGeorge Wilson dump_spacemap(spa->spa_meta_objset, msp->ms_sm); 896d6e555bdSGeorge Wilson } 89787219db7SVictor Latushkin } 898fa9e4066Sahrens 89987219db7SVictor Latushkin static void 90087219db7SVictor Latushkin print_vdev_metaslab_header(vdev_t *vd) 90187219db7SVictor Latushkin { 90287219db7SVictor Latushkin (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 90387219db7SVictor Latushkin (u_longlong_t)vd->vdev_id, 90487219db7SVictor Latushkin "metaslabs", (u_longlong_t)vd->vdev_ms_count, 90587219db7SVictor Latushkin "offset", "spacemap", "free"); 90687219db7SVictor Latushkin (void) printf("\t%15s %19s %15s %10s\n", 90787219db7SVictor Latushkin "---------------", "-------------------", 90887219db7SVictor Latushkin "---------------", "-------------"); 909fa9e4066Sahrens } 910fa9e4066Sahrens 9112e4c9986SGeorge Wilson static void 9122e4c9986SGeorge Wilson dump_metaslab_groups(spa_t *spa) 9132e4c9986SGeorge Wilson { 9142e4c9986SGeorge Wilson vdev_t *rvd = spa->spa_root_vdev; 9152e4c9986SGeorge Wilson metaslab_class_t *mc = spa_normal_class(spa); 9162e4c9986SGeorge Wilson uint64_t fragmentation; 9172e4c9986SGeorge Wilson 9182e4c9986SGeorge Wilson metaslab_class_histogram_verify(mc); 9192e4c9986SGeorge Wilson 9203f7978d0SAlan Somers for (unsigned c = 0; c < rvd->vdev_children; c++) { 9212e4c9986SGeorge Wilson vdev_t *tvd = rvd->vdev_child[c]; 9222e4c9986SGeorge Wilson metaslab_group_t *mg = tvd->vdev_mg; 9232e4c9986SGeorge Wilson 9242e4c9986SGeorge Wilson if (mg->mg_class != mc) 9252e4c9986SGeorge Wilson continue; 9262e4c9986SGeorge Wilson 9272e4c9986SGeorge Wilson metaslab_group_histogram_verify(mg); 9282e4c9986SGeorge Wilson mg->mg_fragmentation = metaslab_group_fragmentation(mg); 9292e4c9986SGeorge Wilson 9302e4c9986SGeorge Wilson (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t" 9312e4c9986SGeorge Wilson "fragmentation", 9322e4c9986SGeorge Wilson (u_longlong_t)tvd->vdev_id, 9332e4c9986SGeorge Wilson (u_longlong_t)tvd->vdev_ms_count); 9342e4c9986SGeorge Wilson if (mg->mg_fragmentation == ZFS_FRAG_INVALID) { 9352e4c9986SGeorge Wilson (void) printf("%3s\n", "-"); 9362e4c9986SGeorge Wilson } else { 9372e4c9986SGeorge Wilson (void) printf("%3llu%%\n", 9382e4c9986SGeorge Wilson (u_longlong_t)mg->mg_fragmentation); 9392e4c9986SGeorge Wilson } 9402e4c9986SGeorge Wilson dump_histogram(mg->mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 9412e4c9986SGeorge Wilson } 9422e4c9986SGeorge Wilson 9432e4c9986SGeorge Wilson (void) printf("\tpool %s\tfragmentation", spa_name(spa)); 9442e4c9986SGeorge Wilson fragmentation = metaslab_class_fragmentation(mc); 9452e4c9986SGeorge Wilson if (fragmentation == ZFS_FRAG_INVALID) 9462e4c9986SGeorge Wilson (void) printf("\t%3s\n", "-"); 9472e4c9986SGeorge Wilson else 9482e4c9986SGeorge Wilson (void) printf("\t%3llu%%\n", (u_longlong_t)fragmentation); 9492e4c9986SGeorge Wilson dump_histogram(mc->mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 9502e4c9986SGeorge Wilson } 9512e4c9986SGeorge Wilson 9525cabbc6bSPrashanth Sreenivasa static void 9535cabbc6bSPrashanth Sreenivasa print_vdev_indirect(vdev_t *vd) 9545cabbc6bSPrashanth Sreenivasa { 9555cabbc6bSPrashanth Sreenivasa vdev_indirect_config_t *vic = &vd->vdev_indirect_config; 9565cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping; 9575cabbc6bSPrashanth Sreenivasa vdev_indirect_births_t *vib = vd->vdev_indirect_births; 9585cabbc6bSPrashanth Sreenivasa 9595cabbc6bSPrashanth Sreenivasa if (vim == NULL) { 9605cabbc6bSPrashanth Sreenivasa ASSERT3P(vib, ==, NULL); 9615cabbc6bSPrashanth Sreenivasa return; 9625cabbc6bSPrashanth Sreenivasa } 9635cabbc6bSPrashanth Sreenivasa 9645cabbc6bSPrashanth Sreenivasa ASSERT3U(vdev_indirect_mapping_object(vim), ==, 9655cabbc6bSPrashanth Sreenivasa vic->vic_mapping_object); 9665cabbc6bSPrashanth Sreenivasa ASSERT3U(vdev_indirect_births_object(vib), ==, 9675cabbc6bSPrashanth Sreenivasa vic->vic_births_object); 9685cabbc6bSPrashanth Sreenivasa 9695cabbc6bSPrashanth Sreenivasa (void) printf("indirect births obj %llu:\n", 9705cabbc6bSPrashanth Sreenivasa (longlong_t)vic->vic_births_object); 9715cabbc6bSPrashanth Sreenivasa (void) printf(" vib_count = %llu\n", 9725cabbc6bSPrashanth Sreenivasa (longlong_t)vdev_indirect_births_count(vib)); 9735cabbc6bSPrashanth Sreenivasa for (uint64_t i = 0; i < vdev_indirect_births_count(vib); i++) { 9745cabbc6bSPrashanth Sreenivasa vdev_indirect_birth_entry_phys_t *cur_vibe = 9755cabbc6bSPrashanth Sreenivasa &vib->vib_entries[i]; 9765cabbc6bSPrashanth Sreenivasa (void) printf("\toffset %llx -> txg %llu\n", 9775cabbc6bSPrashanth Sreenivasa (longlong_t)cur_vibe->vibe_offset, 9785cabbc6bSPrashanth Sreenivasa (longlong_t)cur_vibe->vibe_phys_birth_txg); 9795cabbc6bSPrashanth Sreenivasa } 9805cabbc6bSPrashanth Sreenivasa (void) printf("\n"); 9815cabbc6bSPrashanth Sreenivasa 9825cabbc6bSPrashanth Sreenivasa (void) printf("indirect mapping obj %llu:\n", 9835cabbc6bSPrashanth Sreenivasa (longlong_t)vic->vic_mapping_object); 9845cabbc6bSPrashanth Sreenivasa (void) printf(" vim_max_offset = 0x%llx\n", 9855cabbc6bSPrashanth Sreenivasa (longlong_t)vdev_indirect_mapping_max_offset(vim)); 9865cabbc6bSPrashanth Sreenivasa (void) printf(" vim_bytes_mapped = 0x%llx\n", 9875cabbc6bSPrashanth Sreenivasa (longlong_t)vdev_indirect_mapping_bytes_mapped(vim)); 9885cabbc6bSPrashanth Sreenivasa (void) printf(" vim_count = %llu\n", 9895cabbc6bSPrashanth Sreenivasa (longlong_t)vdev_indirect_mapping_num_entries(vim)); 9905cabbc6bSPrashanth Sreenivasa 9915cabbc6bSPrashanth Sreenivasa if (dump_opt['d'] <= 5 && dump_opt['m'] <= 3) 9925cabbc6bSPrashanth Sreenivasa return; 9935cabbc6bSPrashanth Sreenivasa 9945cabbc6bSPrashanth Sreenivasa uint32_t *counts = vdev_indirect_mapping_load_obsolete_counts(vim); 9955cabbc6bSPrashanth Sreenivasa 9965cabbc6bSPrashanth Sreenivasa for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) { 9975cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_entry_phys_t *vimep = 9985cabbc6bSPrashanth Sreenivasa &vim->vim_entries[i]; 9995cabbc6bSPrashanth Sreenivasa (void) printf("\t<%llx:%llx:%llx> -> " 10005cabbc6bSPrashanth Sreenivasa "<%llx:%llx:%llx> (%x obsolete)\n", 10015cabbc6bSPrashanth Sreenivasa (longlong_t)vd->vdev_id, 10025cabbc6bSPrashanth Sreenivasa (longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep), 10035cabbc6bSPrashanth Sreenivasa (longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst), 10045cabbc6bSPrashanth Sreenivasa (longlong_t)DVA_GET_VDEV(&vimep->vimep_dst), 10055cabbc6bSPrashanth Sreenivasa (longlong_t)DVA_GET_OFFSET(&vimep->vimep_dst), 10065cabbc6bSPrashanth Sreenivasa (longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst), 10075cabbc6bSPrashanth Sreenivasa counts[i]); 10085cabbc6bSPrashanth Sreenivasa } 10095cabbc6bSPrashanth Sreenivasa (void) printf("\n"); 10105cabbc6bSPrashanth Sreenivasa 10115cabbc6bSPrashanth Sreenivasa uint64_t obsolete_sm_object = vdev_obsolete_sm_object(vd); 10125cabbc6bSPrashanth Sreenivasa if (obsolete_sm_object != 0) { 10135cabbc6bSPrashanth Sreenivasa objset_t *mos = vd->vdev_spa->spa_meta_objset; 10145cabbc6bSPrashanth Sreenivasa (void) printf("obsolete space map object %llu:\n", 10155cabbc6bSPrashanth Sreenivasa (u_longlong_t)obsolete_sm_object); 10165cabbc6bSPrashanth Sreenivasa ASSERT(vd->vdev_obsolete_sm != NULL); 10175cabbc6bSPrashanth Sreenivasa ASSERT3U(space_map_object(vd->vdev_obsolete_sm), ==, 10185cabbc6bSPrashanth Sreenivasa obsolete_sm_object); 10195cabbc6bSPrashanth Sreenivasa dump_spacemap(mos, vd->vdev_obsolete_sm); 10205cabbc6bSPrashanth Sreenivasa (void) printf("\n"); 10215cabbc6bSPrashanth Sreenivasa } 10225cabbc6bSPrashanth Sreenivasa } 10235cabbc6bSPrashanth Sreenivasa 1024fa9e4066Sahrens static void 1025fa9e4066Sahrens dump_metaslabs(spa_t *spa) 1026fa9e4066Sahrens { 102787219db7SVictor Latushkin vdev_t *vd, *rvd = spa->spa_root_vdev; 102887219db7SVictor Latushkin uint64_t m, c = 0, children = rvd->vdev_children; 1029fa9e4066Sahrens 1030fa9e4066Sahrens (void) printf("\nMetaslabs:\n"); 1031fa9e4066Sahrens 103287219db7SVictor Latushkin if (!dump_opt['d'] && zopt_objects > 0) { 103387219db7SVictor Latushkin c = zopt_object[0]; 103487219db7SVictor Latushkin 103587219db7SVictor Latushkin if (c >= children) 103687219db7SVictor Latushkin (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 1037fa9e4066Sahrens 103887219db7SVictor Latushkin if (zopt_objects > 1) { 103987219db7SVictor Latushkin vd = rvd->vdev_child[c]; 104087219db7SVictor Latushkin print_vdev_metaslab_header(vd); 104187219db7SVictor Latushkin 104287219db7SVictor Latushkin for (m = 1; m < zopt_objects; m++) { 104387219db7SVictor Latushkin if (zopt_object[m] < vd->vdev_ms_count) 104487219db7SVictor Latushkin dump_metaslab( 104587219db7SVictor Latushkin vd->vdev_ms[zopt_object[m]]); 104687219db7SVictor Latushkin else 104787219db7SVictor Latushkin (void) fprintf(stderr, "bad metaslab " 104887219db7SVictor Latushkin "number %llu\n", 104987219db7SVictor Latushkin (u_longlong_t)zopt_object[m]); 105087219db7SVictor Latushkin } 105187219db7SVictor Latushkin (void) printf("\n"); 105287219db7SVictor Latushkin return; 105387219db7SVictor Latushkin } 105487219db7SVictor Latushkin children = c + 1; 105587219db7SVictor Latushkin } 105687219db7SVictor Latushkin for (; c < children; c++) { 105787219db7SVictor Latushkin vd = rvd->vdev_child[c]; 105887219db7SVictor Latushkin print_vdev_metaslab_header(vd); 1059fa9e4066Sahrens 10605cabbc6bSPrashanth Sreenivasa print_vdev_indirect(vd); 10615cabbc6bSPrashanth Sreenivasa 1062fa9e4066Sahrens for (m = 0; m < vd->vdev_ms_count; m++) 1063fa9e4066Sahrens dump_metaslab(vd->vdev_ms[m]); 1064fa9e4066Sahrens (void) printf("\n"); 1065fa9e4066Sahrens } 1066fa9e4066Sahrens } 1067fa9e4066Sahrens 1068b24ab676SJeff Bonwick static void 1069b24ab676SJeff Bonwick dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 1070b24ab676SJeff Bonwick { 1071b24ab676SJeff Bonwick const ddt_phys_t *ddp = dde->dde_phys; 1072b24ab676SJeff Bonwick const ddt_key_t *ddk = &dde->dde_key; 10733f7978d0SAlan Somers const char *types[4] = { "ditto", "single", "double", "triple" }; 1074b24ab676SJeff Bonwick char blkbuf[BP_SPRINTF_LEN]; 1075b24ab676SJeff Bonwick blkptr_t blk; 1076b24ab676SJeff Bonwick 1077b24ab676SJeff Bonwick for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 1078b24ab676SJeff Bonwick if (ddp->ddp_phys_birth == 0) 1079b24ab676SJeff Bonwick continue; 1080bbfd46c4SJeff Bonwick ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 108143466aaeSMax Grossman snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk); 1082b24ab676SJeff Bonwick (void) printf("index %llx refcnt %llu %s %s\n", 1083b24ab676SJeff Bonwick (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 1084b24ab676SJeff Bonwick types[p], blkbuf); 1085b24ab676SJeff Bonwick } 1086b24ab676SJeff Bonwick } 1087b24ab676SJeff Bonwick 1088b24ab676SJeff Bonwick static void 1089b24ab676SJeff Bonwick dump_dedup_ratio(const ddt_stat_t *dds) 1090b24ab676SJeff Bonwick { 1091b24ab676SJeff Bonwick double rL, rP, rD, D, dedup, compress, copies; 1092b24ab676SJeff Bonwick 1093b24ab676SJeff Bonwick if (dds->dds_blocks == 0) 1094b24ab676SJeff Bonwick return; 1095b24ab676SJeff Bonwick 1096b24ab676SJeff Bonwick rL = (double)dds->dds_ref_lsize; 1097b24ab676SJeff Bonwick rP = (double)dds->dds_ref_psize; 1098b24ab676SJeff Bonwick rD = (double)dds->dds_ref_dsize; 1099b24ab676SJeff Bonwick D = (double)dds->dds_dsize; 1100b24ab676SJeff Bonwick 1101b24ab676SJeff Bonwick dedup = rD / D; 1102b24ab676SJeff Bonwick compress = rL / rP; 1103b24ab676SJeff Bonwick copies = rD / rP; 1104b24ab676SJeff Bonwick 1105b24ab676SJeff Bonwick (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 1106b24ab676SJeff Bonwick "dedup * compress / copies = %.2f\n\n", 1107b24ab676SJeff Bonwick dedup, compress, copies, dedup * compress / copies); 1108b24ab676SJeff Bonwick } 1109b24ab676SJeff Bonwick 1110b24ab676SJeff Bonwick static void 1111b24ab676SJeff Bonwick dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 1112b24ab676SJeff Bonwick { 1113b24ab676SJeff Bonwick char name[DDT_NAMELEN]; 1114b24ab676SJeff Bonwick ddt_entry_t dde; 1115b24ab676SJeff Bonwick uint64_t walk = 0; 1116b24ab676SJeff Bonwick dmu_object_info_t doi; 1117b24ab676SJeff Bonwick uint64_t count, dspace, mspace; 1118b24ab676SJeff Bonwick int error; 1119b24ab676SJeff Bonwick 1120b24ab676SJeff Bonwick error = ddt_object_info(ddt, type, class, &doi); 1121b24ab676SJeff Bonwick 1122b24ab676SJeff Bonwick if (error == ENOENT) 1123b24ab676SJeff Bonwick return; 1124b24ab676SJeff Bonwick ASSERT(error == 0); 1125b24ab676SJeff Bonwick 11267448a079SGeorge Wilson if ((count = ddt_object_count(ddt, type, class)) == 0) 11277448a079SGeorge Wilson return; 11287448a079SGeorge Wilson 1129b24ab676SJeff Bonwick dspace = doi.doi_physical_blocks_512 << 9; 1130b24ab676SJeff Bonwick mspace = doi.doi_fill_count * doi.doi_data_block_size; 1131b24ab676SJeff Bonwick 1132b24ab676SJeff Bonwick ddt_object_name(ddt, type, class, name); 1133b24ab676SJeff Bonwick 1134b24ab676SJeff Bonwick (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 1135b24ab676SJeff Bonwick name, 1136b24ab676SJeff Bonwick (u_longlong_t)count, 1137b24ab676SJeff Bonwick (u_longlong_t)(dspace / count), 1138b24ab676SJeff Bonwick (u_longlong_t)(mspace / count)); 1139b24ab676SJeff Bonwick 1140b24ab676SJeff Bonwick if (dump_opt['D'] < 3) 1141b24ab676SJeff Bonwick return; 1142b24ab676SJeff Bonwick 11439eb19f4dSGeorge Wilson zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 1144b24ab676SJeff Bonwick 1145b24ab676SJeff Bonwick if (dump_opt['D'] < 4) 1146b24ab676SJeff Bonwick return; 1147b24ab676SJeff Bonwick 1148b24ab676SJeff Bonwick if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 1149b24ab676SJeff Bonwick return; 1150b24ab676SJeff Bonwick 1151b24ab676SJeff Bonwick (void) printf("%s contents:\n\n", name); 1152b24ab676SJeff Bonwick 1153bbfd46c4SJeff Bonwick while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 1154b24ab676SJeff Bonwick dump_dde(ddt, &dde, walk); 1155b24ab676SJeff Bonwick 1156b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1157b24ab676SJeff Bonwick 1158b24ab676SJeff Bonwick (void) printf("\n"); 1159b24ab676SJeff Bonwick } 1160b24ab676SJeff Bonwick 1161b24ab676SJeff Bonwick static void 1162b24ab676SJeff Bonwick dump_all_ddts(spa_t *spa) 1163b24ab676SJeff Bonwick { 11643f7978d0SAlan Somers ddt_histogram_t ddh_total; 11653f7978d0SAlan Somers ddt_stat_t dds_total; 11663f7978d0SAlan Somers 11673f7978d0SAlan Somers bzero(&ddh_total, sizeof (ddh_total)); 11683f7978d0SAlan Somers bzero(&dds_total, sizeof (dds_total)); 1169b24ab676SJeff Bonwick 1170b24ab676SJeff Bonwick for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 1171b24ab676SJeff Bonwick ddt_t *ddt = spa->spa_ddt[c]; 1172b24ab676SJeff Bonwick for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 1173b24ab676SJeff Bonwick for (enum ddt_class class = 0; class < DDT_CLASSES; 1174b24ab676SJeff Bonwick class++) { 1175b24ab676SJeff Bonwick dump_ddt(ddt, type, class); 1176b24ab676SJeff Bonwick } 1177b24ab676SJeff Bonwick } 1178b24ab676SJeff Bonwick } 1179b24ab676SJeff Bonwick 11809eb19f4dSGeorge Wilson ddt_get_dedup_stats(spa, &dds_total); 1181b24ab676SJeff Bonwick 1182b24ab676SJeff Bonwick if (dds_total.dds_blocks == 0) { 1183b24ab676SJeff Bonwick (void) printf("All DDTs are empty\n"); 1184b24ab676SJeff Bonwick return; 1185b24ab676SJeff Bonwick } 1186b24ab676SJeff Bonwick 1187b24ab676SJeff Bonwick (void) printf("\n"); 1188b24ab676SJeff Bonwick 1189b24ab676SJeff Bonwick if (dump_opt['D'] > 1) { 1190b24ab676SJeff Bonwick (void) printf("DDT histogram (aggregated over all DDTs):\n"); 11919eb19f4dSGeorge Wilson ddt_get_dedup_histogram(spa, &ddh_total); 11929eb19f4dSGeorge Wilson zpool_dump_ddt(&dds_total, &ddh_total); 1193b24ab676SJeff Bonwick } 1194b24ab676SJeff Bonwick 1195b24ab676SJeff Bonwick dump_dedup_ratio(&dds_total); 1196b24ab676SJeff Bonwick } 1197b24ab676SJeff Bonwick 11988ad4d6ddSJeff Bonwick static void 11990713e232SGeorge Wilson dump_dtl_seg(void *arg, uint64_t start, uint64_t size) 12008ad4d6ddSJeff Bonwick { 12010713e232SGeorge Wilson char *prefix = arg; 12028ad4d6ddSJeff Bonwick 12038ad4d6ddSJeff Bonwick (void) printf("%s [%llu,%llu) length %llu\n", 12048ad4d6ddSJeff Bonwick prefix, 12058ad4d6ddSJeff Bonwick (u_longlong_t)start, 12068ad4d6ddSJeff Bonwick (u_longlong_t)(start + size), 12078ad4d6ddSJeff Bonwick (u_longlong_t)(size)); 12088ad4d6ddSJeff Bonwick } 12098ad4d6ddSJeff Bonwick 1210fa9e4066Sahrens static void 1211fa9e4066Sahrens dump_dtl(vdev_t *vd, int indent) 1212fa9e4066Sahrens { 12138ad4d6ddSJeff Bonwick spa_t *spa = vd->vdev_spa; 12148ad4d6ddSJeff Bonwick boolean_t required; 12153f7978d0SAlan Somers const char *name[DTL_TYPES] = { "missing", "partial", "scrub", 12163f7978d0SAlan Somers "outage" }; 12178ad4d6ddSJeff Bonwick char prefix[256]; 12188ad4d6ddSJeff Bonwick 12198f18d1faSGeorge Wilson spa_vdev_state_enter(spa, SCL_NONE); 12208ad4d6ddSJeff Bonwick required = vdev_dtl_required(vd); 12218ad4d6ddSJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 1222fa9e4066Sahrens 1223fa9e4066Sahrens if (indent == 0) 1224fa9e4066Sahrens (void) printf("\nDirty time logs:\n\n"); 1225fa9e4066Sahrens 12268ad4d6ddSJeff Bonwick (void) printf("\t%*s%s [%s]\n", indent, "", 1227e14bb325SJeff Bonwick vd->vdev_path ? vd->vdev_path : 12288ad4d6ddSJeff Bonwick vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 12298ad4d6ddSJeff Bonwick required ? "DTL-required" : "DTL-expendable"); 1230fa9e4066Sahrens 12318ad4d6ddSJeff Bonwick for (int t = 0; t < DTL_TYPES; t++) { 12320713e232SGeorge Wilson range_tree_t *rt = vd->vdev_dtl[t]; 12330713e232SGeorge Wilson if (range_tree_space(rt) == 0) 12348ad4d6ddSJeff Bonwick continue; 12358ad4d6ddSJeff Bonwick (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 12368ad4d6ddSJeff Bonwick indent + 2, "", name[t]); 12370713e232SGeorge Wilson range_tree_walk(rt, dump_dtl_seg, prefix); 12388ad4d6ddSJeff Bonwick if (dump_opt['d'] > 5 && vd->vdev_children == 0) 12390713e232SGeorge Wilson dump_spacemap(spa->spa_meta_objset, vd->vdev_dtl_sm); 1240fa9e4066Sahrens } 1241fa9e4066Sahrens 12423f7978d0SAlan Somers for (unsigned c = 0; c < vd->vdev_children; c++) 1243fa9e4066Sahrens dump_dtl(vd->vdev_child[c], indent + 4); 1244fa9e4066Sahrens } 1245fa9e4066Sahrens 12468f18d1faSGeorge Wilson static void 12478f18d1faSGeorge Wilson dump_history(spa_t *spa) 12488f18d1faSGeorge Wilson { 12498f18d1faSGeorge Wilson nvlist_t **events = NULL; 1250e4161df6SVictor Latushkin uint64_t resid, len, off = 0; 12518f18d1faSGeorge Wilson uint_t num = 0; 12528f18d1faSGeorge Wilson int error; 12538f18d1faSGeorge Wilson time_t tsec; 12548f18d1faSGeorge Wilson struct tm t; 12558f18d1faSGeorge Wilson char tbuf[30]; 12568f18d1faSGeorge Wilson char internalstr[MAXPATHLEN]; 12578f18d1faSGeorge Wilson 12583f84190cSMatthew Ahrens char *buf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 12598f18d1faSGeorge Wilson do { 12603f84190cSMatthew Ahrens len = SPA_MAXBLOCKSIZE; 1261e4161df6SVictor Latushkin 12628f18d1faSGeorge Wilson if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 12638f18d1faSGeorge Wilson (void) fprintf(stderr, "Unable to read history: " 12648f18d1faSGeorge Wilson "error %d\n", error); 12653f84190cSMatthew Ahrens umem_free(buf, SPA_MAXBLOCKSIZE); 12668f18d1faSGeorge Wilson return; 12678f18d1faSGeorge Wilson } 12688f18d1faSGeorge Wilson 12698f18d1faSGeorge Wilson if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 12708f18d1faSGeorge Wilson break; 12718f18d1faSGeorge Wilson 12728f18d1faSGeorge Wilson off -= resid; 12738f18d1faSGeorge Wilson } while (len != 0); 12743f84190cSMatthew Ahrens umem_free(buf, SPA_MAXBLOCKSIZE); 12758f18d1faSGeorge Wilson 12768f18d1faSGeorge Wilson (void) printf("\nHistory:\n"); 12773f7978d0SAlan Somers for (unsigned i = 0; i < num; i++) { 12788f18d1faSGeorge Wilson uint64_t time, txg, ievent; 12798f18d1faSGeorge Wilson char *cmd, *intstr; 12804445fffbSMatthew Ahrens boolean_t printed = B_FALSE; 12818f18d1faSGeorge Wilson 12828f18d1faSGeorge Wilson if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 12838f18d1faSGeorge Wilson &time) != 0) 12844445fffbSMatthew Ahrens goto next; 12858f18d1faSGeorge Wilson if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 12868f18d1faSGeorge Wilson &cmd) != 0) { 12878f18d1faSGeorge Wilson if (nvlist_lookup_uint64(events[i], 12888f18d1faSGeorge Wilson ZPOOL_HIST_INT_EVENT, &ievent) != 0) 12894445fffbSMatthew Ahrens goto next; 12908f18d1faSGeorge Wilson verify(nvlist_lookup_uint64(events[i], 12918f18d1faSGeorge Wilson ZPOOL_HIST_TXG, &txg) == 0); 12928f18d1faSGeorge Wilson verify(nvlist_lookup_string(events[i], 12938f18d1faSGeorge Wilson ZPOOL_HIST_INT_STR, &intstr) == 0); 12944445fffbSMatthew Ahrens if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) 12954445fffbSMatthew Ahrens goto next; 12968f18d1faSGeorge Wilson 12978f18d1faSGeorge Wilson (void) snprintf(internalstr, 12988f18d1faSGeorge Wilson sizeof (internalstr), 12993f7978d0SAlan Somers "[internal %s txg:%ju] %s", 13003f7978d0SAlan Somers zfs_history_event_names[ievent], (uintmax_t)txg, 13018f18d1faSGeorge Wilson intstr); 13028f18d1faSGeorge Wilson cmd = internalstr; 13038f18d1faSGeorge Wilson } 13048f18d1faSGeorge Wilson tsec = time; 13058f18d1faSGeorge Wilson (void) localtime_r(&tsec, &t); 13068f18d1faSGeorge Wilson (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 13078f18d1faSGeorge Wilson (void) printf("%s %s\n", tbuf, cmd); 13084445fffbSMatthew Ahrens printed = B_TRUE; 13094445fffbSMatthew Ahrens 13104445fffbSMatthew Ahrens next: 13114445fffbSMatthew Ahrens if (dump_opt['h'] > 1) { 13124445fffbSMatthew Ahrens if (!printed) 13134445fffbSMatthew Ahrens (void) printf("unrecognized record:\n"); 13144445fffbSMatthew Ahrens dump_nvlist(events[i], 2); 13154445fffbSMatthew Ahrens } 13168f18d1faSGeorge Wilson } 13178f18d1faSGeorge Wilson } 13188f18d1faSGeorge Wilson 1319fa9e4066Sahrens /*ARGSUSED*/ 1320fa9e4066Sahrens static void 1321fa9e4066Sahrens dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 1322fa9e4066Sahrens { 1323fa9e4066Sahrens } 1324fa9e4066Sahrens 1325fa9e4066Sahrens static uint64_t 13267802d7bfSMatthew Ahrens blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, 13277802d7bfSMatthew Ahrens const zbookmark_phys_t *zb) 1328fa9e4066Sahrens { 1329b24ab676SJeff Bonwick if (dnp == NULL) { 1330b24ab676SJeff Bonwick ASSERT(zb->zb_level < 0); 1331b24ab676SJeff Bonwick if (zb->zb_object == 0) 1332b24ab676SJeff Bonwick return (zb->zb_blkid); 1333b24ab676SJeff Bonwick return (zb->zb_blkid * BP_GET_LSIZE(bp)); 1334b24ab676SJeff Bonwick } 1335b24ab676SJeff Bonwick 1336b24ab676SJeff Bonwick ASSERT(zb->zb_level >= 0); 1337fa9e4066Sahrens 1338b24ab676SJeff Bonwick return ((zb->zb_blkid << 1339b24ab676SJeff Bonwick (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 1340fa9e4066Sahrens dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 1341fa9e4066Sahrens } 1342fa9e4066Sahrens 134344cd46caSbillm static void 134443466aaeSMax Grossman snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp) 134544cd46caSbillm { 1346cde58dbcSMatthew Ahrens const dva_t *dva = bp->blk_dva; 1347b24ab676SJeff Bonwick int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 1348b24ab676SJeff Bonwick 1349490d05b9SMatthew Ahrens if (dump_opt['b'] >= 6) { 135043466aaeSMax Grossman snprintf_blkptr(blkbuf, buflen, bp); 1351b24ab676SJeff Bonwick return; 1352b24ab676SJeff Bonwick } 135344cd46caSbillm 13545d7b4d43SMatthew Ahrens if (BP_IS_EMBEDDED(bp)) { 13555d7b4d43SMatthew Ahrens (void) sprintf(blkbuf, 13565d7b4d43SMatthew Ahrens "EMBEDDED et=%u %llxL/%llxP B=%llu", 13575d7b4d43SMatthew Ahrens (int)BPE_GET_ETYPE(bp), 13585d7b4d43SMatthew Ahrens (u_longlong_t)BPE_GET_LSIZE(bp), 13595d7b4d43SMatthew Ahrens (u_longlong_t)BPE_GET_PSIZE(bp), 13605d7b4d43SMatthew Ahrens (u_longlong_t)bp->blk_birth); 13615d7b4d43SMatthew Ahrens return; 13625d7b4d43SMatthew Ahrens } 136344cd46caSbillm 13645d7b4d43SMatthew Ahrens blkbuf[0] = '\0'; 1365b24ab676SJeff Bonwick for (int i = 0; i < ndvas; i++) 136643466aaeSMax Grossman (void) snprintf(blkbuf + strlen(blkbuf), 136743466aaeSMax Grossman buflen - strlen(blkbuf), "%llu:%llx:%llx ", 136844cd46caSbillm (u_longlong_t)DVA_GET_VDEV(&dva[i]), 136944cd46caSbillm (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 137044cd46caSbillm (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 137144cd46caSbillm 137243466aaeSMax Grossman if (BP_IS_HOLE(bp)) { 137343466aaeSMax Grossman (void) snprintf(blkbuf + strlen(blkbuf), 137470163ac5SPrakash Surya buflen - strlen(blkbuf), 137570163ac5SPrakash Surya "%llxL B=%llu", 137670163ac5SPrakash Surya (u_longlong_t)BP_GET_LSIZE(bp), 137743466aaeSMax Grossman (u_longlong_t)bp->blk_birth); 137843466aaeSMax Grossman } else { 137943466aaeSMax Grossman (void) snprintf(blkbuf + strlen(blkbuf), 138043466aaeSMax Grossman buflen - strlen(blkbuf), 138143466aaeSMax Grossman "%llxL/%llxP F=%llu B=%llu/%llu", 138243466aaeSMax Grossman (u_longlong_t)BP_GET_LSIZE(bp), 138343466aaeSMax Grossman (u_longlong_t)BP_GET_PSIZE(bp), 13845d7b4d43SMatthew Ahrens (u_longlong_t)BP_GET_FILL(bp), 138543466aaeSMax Grossman (u_longlong_t)bp->blk_birth, 138643466aaeSMax Grossman (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 138743466aaeSMax Grossman } 138844cd46caSbillm } 138944cd46caSbillm 139088b7b0f2SMatthew Ahrens static void 13917802d7bfSMatthew Ahrens print_indirect(blkptr_t *bp, const zbookmark_phys_t *zb, 139288b7b0f2SMatthew Ahrens const dnode_phys_t *dnp) 1393fa9e4066Sahrens { 139488b7b0f2SMatthew Ahrens char blkbuf[BP_SPRINTF_LEN]; 1395fa9e4066Sahrens int l; 1396fa9e4066Sahrens 13975d7b4d43SMatthew Ahrens if (!BP_IS_EMBEDDED(bp)) { 13985d7b4d43SMatthew Ahrens ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 13995d7b4d43SMatthew Ahrens ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 14005d7b4d43SMatthew Ahrens } 1401fa9e4066Sahrens 1402b24ab676SJeff Bonwick (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 1403fa9e4066Sahrens 1404fa9e4066Sahrens ASSERT(zb->zb_level >= 0); 1405fa9e4066Sahrens 1406fa9e4066Sahrens for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 1407fa9e4066Sahrens if (l == zb->zb_level) { 140888b7b0f2SMatthew Ahrens (void) printf("L%llx", (u_longlong_t)zb->zb_level); 1409fa9e4066Sahrens } else { 141088b7b0f2SMatthew Ahrens (void) printf(" "); 1411fa9e4066Sahrens } 1412fa9e4066Sahrens } 1413fa9e4066Sahrens 141443466aaeSMax Grossman snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 141588b7b0f2SMatthew Ahrens (void) printf("%s\n", blkbuf); 141688b7b0f2SMatthew Ahrens } 141788b7b0f2SMatthew Ahrens 141888b7b0f2SMatthew Ahrens static int 141988b7b0f2SMatthew Ahrens visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 14207802d7bfSMatthew Ahrens blkptr_t *bp, const zbookmark_phys_t *zb) 142188b7b0f2SMatthew Ahrens { 1422e4161df6SVictor Latushkin int err = 0; 142388b7b0f2SMatthew Ahrens 142488b7b0f2SMatthew Ahrens if (bp->blk_birth == 0) 142588b7b0f2SMatthew Ahrens return (0); 142688b7b0f2SMatthew Ahrens 142788b7b0f2SMatthew Ahrens print_indirect(bp, zb, dnp); 142888b7b0f2SMatthew Ahrens 142943466aaeSMax Grossman if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) { 14307adb730bSGeorge Wilson arc_flags_t flags = ARC_FLAG_WAIT; 143188b7b0f2SMatthew Ahrens int i; 143288b7b0f2SMatthew Ahrens blkptr_t *cbp; 143388b7b0f2SMatthew Ahrens int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 143488b7b0f2SMatthew Ahrens arc_buf_t *buf; 143588b7b0f2SMatthew Ahrens uint64_t fill = 0; 143688b7b0f2SMatthew Ahrens 14371b912ec7SGeorge Wilson err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf, 143888b7b0f2SMatthew Ahrens ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 143988b7b0f2SMatthew Ahrens if (err) 144088b7b0f2SMatthew Ahrens return (err); 14413f9d6ad7SLin Ling ASSERT(buf->b_data); 144288b7b0f2SMatthew Ahrens 144388b7b0f2SMatthew Ahrens /* recursively visit blocks below this */ 144488b7b0f2SMatthew Ahrens cbp = buf->b_data; 144588b7b0f2SMatthew Ahrens for (i = 0; i < epb; i++, cbp++) { 14467802d7bfSMatthew Ahrens zbookmark_phys_t czb; 144788b7b0f2SMatthew Ahrens 144888b7b0f2SMatthew Ahrens SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 144988b7b0f2SMatthew Ahrens zb->zb_level - 1, 145088b7b0f2SMatthew Ahrens zb->zb_blkid * epb + i); 145188b7b0f2SMatthew Ahrens err = visit_indirect(spa, dnp, cbp, &czb); 145288b7b0f2SMatthew Ahrens if (err) 145388b7b0f2SMatthew Ahrens break; 14545d7b4d43SMatthew Ahrens fill += BP_GET_FILL(cbp); 145588b7b0f2SMatthew Ahrens } 14568ad4d6ddSJeff Bonwick if (!err) 14575d7b4d43SMatthew Ahrens ASSERT3U(fill, ==, BP_GET_FILL(bp)); 1458dcbf3bd6SGeorge Wilson arc_buf_destroy(buf, &buf); 1459fa9e4066Sahrens } 1460fa9e4066Sahrens 146188b7b0f2SMatthew Ahrens return (err); 1462fa9e4066Sahrens } 1463fa9e4066Sahrens 1464fa9e4066Sahrens /*ARGSUSED*/ 1465fa9e4066Sahrens static void 146688b7b0f2SMatthew Ahrens dump_indirect(dnode_t *dn) 1467fa9e4066Sahrens { 146888b7b0f2SMatthew Ahrens dnode_phys_t *dnp = dn->dn_phys; 146988b7b0f2SMatthew Ahrens int j; 14707802d7bfSMatthew Ahrens zbookmark_phys_t czb; 1471fa9e4066Sahrens 1472fa9e4066Sahrens (void) printf("Indirect blocks:\n"); 1473fa9e4066Sahrens 1474503ad85cSMatthew Ahrens SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 147588b7b0f2SMatthew Ahrens dn->dn_object, dnp->dn_nlevels - 1, 0); 147688b7b0f2SMatthew Ahrens for (j = 0; j < dnp->dn_nblkptr; j++) { 147788b7b0f2SMatthew Ahrens czb.zb_blkid = j; 1478503ad85cSMatthew Ahrens (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 147988b7b0f2SMatthew Ahrens &dnp->dn_blkptr[j], &czb); 148088b7b0f2SMatthew Ahrens } 1481fa9e4066Sahrens 1482fa9e4066Sahrens (void) printf("\n"); 1483fa9e4066Sahrens } 1484fa9e4066Sahrens 1485fa9e4066Sahrens /*ARGSUSED*/ 1486fa9e4066Sahrens static void 1487fa9e4066Sahrens dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1488fa9e4066Sahrens { 1489fa9e4066Sahrens dsl_dir_phys_t *dd = data; 1490fa9e4066Sahrens time_t crtime; 14913f9d6ad7SLin Ling char nice[32]; 1492fa9e4066Sahrens 14930a055120SJason King /* make sure nicenum has enough space */ 14940a055120SJason King CTASSERT(sizeof (nice) >= NN_NUMBUF_SZ); 14950a055120SJason King 1496fa9e4066Sahrens if (dd == NULL) 1497fa9e4066Sahrens return; 1498fa9e4066Sahrens 1499da6c28aaSamw ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1500fa9e4066Sahrens 1501fa9e4066Sahrens crtime = dd->dd_creation_time; 1502fa9e4066Sahrens (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1503fa9e4066Sahrens (void) printf("\t\thead_dataset_obj = %llu\n", 1504fa9e4066Sahrens (u_longlong_t)dd->dd_head_dataset_obj); 1505fa9e4066Sahrens (void) printf("\t\tparent_dir_obj = %llu\n", 1506fa9e4066Sahrens (u_longlong_t)dd->dd_parent_obj); 15073cb34c60Sahrens (void) printf("\t\torigin_obj = %llu\n", 15083cb34c60Sahrens (u_longlong_t)dd->dd_origin_obj); 1509fa9e4066Sahrens (void) printf("\t\tchild_dir_zapobj = %llu\n", 1510fa9e4066Sahrens (u_longlong_t)dd->dd_child_dir_zapobj); 15110a055120SJason King zdb_nicenum(dd->dd_used_bytes, nice, sizeof (nice)); 151274e7dc98SMatthew Ahrens (void) printf("\t\tused_bytes = %s\n", nice); 15130a055120SJason King zdb_nicenum(dd->dd_compressed_bytes, nice, sizeof (nice)); 151474e7dc98SMatthew Ahrens (void) printf("\t\tcompressed_bytes = %s\n", nice); 15150a055120SJason King zdb_nicenum(dd->dd_uncompressed_bytes, nice, sizeof (nice)); 151674e7dc98SMatthew Ahrens (void) printf("\t\tuncompressed_bytes = %s\n", nice); 15170a055120SJason King zdb_nicenum(dd->dd_quota, nice, sizeof (nice)); 151874e7dc98SMatthew Ahrens (void) printf("\t\tquota = %s\n", nice); 15190a055120SJason King zdb_nicenum(dd->dd_reserved, nice, sizeof (nice)); 152074e7dc98SMatthew Ahrens (void) printf("\t\treserved = %s\n", nice); 1521fa9e4066Sahrens (void) printf("\t\tprops_zapobj = %llu\n", 1522fa9e4066Sahrens (u_longlong_t)dd->dd_props_zapobj); 1523ecd6cf80Smarks (void) printf("\t\tdeleg_zapobj = %llu\n", 1524ecd6cf80Smarks (u_longlong_t)dd->dd_deleg_zapobj); 152574e7dc98SMatthew Ahrens (void) printf("\t\tflags = %llx\n", 152674e7dc98SMatthew Ahrens (u_longlong_t)dd->dd_flags); 152774e7dc98SMatthew Ahrens 152874e7dc98SMatthew Ahrens #define DO(which) \ 15290a055120SJason King zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \ 15300a055120SJason King sizeof (nice)); \ 153174e7dc98SMatthew Ahrens (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 153274e7dc98SMatthew Ahrens DO(HEAD); 153374e7dc98SMatthew Ahrens DO(SNAP); 153474e7dc98SMatthew Ahrens DO(CHILD); 153574e7dc98SMatthew Ahrens DO(CHILD_RSRV); 153674e7dc98SMatthew Ahrens DO(REFRSRV); 153774e7dc98SMatthew Ahrens #undef DO 1538fa9e4066Sahrens } 1539fa9e4066Sahrens 1540fa9e4066Sahrens /*ARGSUSED*/ 1541fa9e4066Sahrens static void 1542fa9e4066Sahrens dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1543fa9e4066Sahrens { 1544fa9e4066Sahrens dsl_dataset_phys_t *ds = data; 1545fa9e4066Sahrens time_t crtime; 15463f9d6ad7SLin Ling char used[32], compressed[32], uncompressed[32], unique[32]; 1547fbabab8fSmaybee char blkbuf[BP_SPRINTF_LEN]; 1548fa9e4066Sahrens 15490a055120SJason King /* make sure nicenum has enough space */ 15500a055120SJason King CTASSERT(sizeof (used) >= NN_NUMBUF_SZ); 15510a055120SJason King CTASSERT(sizeof (compressed) >= NN_NUMBUF_SZ); 15520a055120SJason King CTASSERT(sizeof (uncompressed) >= NN_NUMBUF_SZ); 15530a055120SJason King CTASSERT(sizeof (unique) >= NN_NUMBUF_SZ); 15540a055120SJason King 1555fa9e4066Sahrens if (ds == NULL) 1556fa9e4066Sahrens return; 1557fa9e4066Sahrens 1558fa9e4066Sahrens ASSERT(size == sizeof (*ds)); 1559fa9e4066Sahrens crtime = ds->ds_creation_time; 15600a055120SJason King zdb_nicenum(ds->ds_referenced_bytes, used, sizeof (used)); 15610a055120SJason King zdb_nicenum(ds->ds_compressed_bytes, compressed, sizeof (compressed)); 15620a055120SJason King zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed, 15630a055120SJason King sizeof (uncompressed)); 15640a055120SJason King zdb_nicenum(ds->ds_unique_bytes, unique, sizeof (unique)); 156543466aaeSMax Grossman snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp); 1566fa9e4066Sahrens 1567088f3894Sahrens (void) printf("\t\tdir_obj = %llu\n", 1568fa9e4066Sahrens (u_longlong_t)ds->ds_dir_obj); 1569fa9e4066Sahrens (void) printf("\t\tprev_snap_obj = %llu\n", 1570fa9e4066Sahrens (u_longlong_t)ds->ds_prev_snap_obj); 1571fa9e4066Sahrens (void) printf("\t\tprev_snap_txg = %llu\n", 1572fa9e4066Sahrens (u_longlong_t)ds->ds_prev_snap_txg); 1573fa9e4066Sahrens (void) printf("\t\tnext_snap_obj = %llu\n", 1574fa9e4066Sahrens (u_longlong_t)ds->ds_next_snap_obj); 1575fa9e4066Sahrens (void) printf("\t\tsnapnames_zapobj = %llu\n", 1576fa9e4066Sahrens (u_longlong_t)ds->ds_snapnames_zapobj); 1577fa9e4066Sahrens (void) printf("\t\tnum_children = %llu\n", 1578fa9e4066Sahrens (u_longlong_t)ds->ds_num_children); 1579842727c2SChris Kirby (void) printf("\t\tuserrefs_obj = %llu\n", 1580842727c2SChris Kirby (u_longlong_t)ds->ds_userrefs_obj); 1581fa9e4066Sahrens (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1582fa9e4066Sahrens (void) printf("\t\tcreation_txg = %llu\n", 1583fa9e4066Sahrens (u_longlong_t)ds->ds_creation_txg); 1584fa9e4066Sahrens (void) printf("\t\tdeadlist_obj = %llu\n", 1585fa9e4066Sahrens (u_longlong_t)ds->ds_deadlist_obj); 1586fa9e4066Sahrens (void) printf("\t\tused_bytes = %s\n", used); 1587fa9e4066Sahrens (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1588fa9e4066Sahrens (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1589fa9e4066Sahrens (void) printf("\t\tunique = %s\n", unique); 1590fa9e4066Sahrens (void) printf("\t\tfsid_guid = %llu\n", 1591fa9e4066Sahrens (u_longlong_t)ds->ds_fsid_guid); 1592fa9e4066Sahrens (void) printf("\t\tguid = %llu\n", 1593fa9e4066Sahrens (u_longlong_t)ds->ds_guid); 159499653d4eSeschrock (void) printf("\t\tflags = %llx\n", 159599653d4eSeschrock (u_longlong_t)ds->ds_flags); 1596088f3894Sahrens (void) printf("\t\tnext_clones_obj = %llu\n", 1597088f3894Sahrens (u_longlong_t)ds->ds_next_clones_obj); 1598bb0ade09Sahrens (void) printf("\t\tprops_obj = %llu\n", 1599bb0ade09Sahrens (u_longlong_t)ds->ds_props_obj); 1600fa9e4066Sahrens (void) printf("\t\tbp = %s\n", blkbuf); 1601fa9e4066Sahrens } 1602fa9e4066Sahrens 1603ad135b5dSChristopher Siden /* ARGSUSED */ 1604ad135b5dSChristopher Siden static int 1605ad135b5dSChristopher Siden dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1606ad135b5dSChristopher Siden { 1607ad135b5dSChristopher Siden char blkbuf[BP_SPRINTF_LEN]; 1608ad135b5dSChristopher Siden 1609ad135b5dSChristopher Siden if (bp->blk_birth != 0) { 161043466aaeSMax Grossman snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 1611ad135b5dSChristopher Siden (void) printf("\t%s\n", blkbuf); 1612ad135b5dSChristopher Siden } 1613ad135b5dSChristopher Siden return (0); 1614ad135b5dSChristopher Siden } 1615ad135b5dSChristopher Siden 1616ad135b5dSChristopher Siden static void 16173f7978d0SAlan Somers dump_bptree(objset_t *os, uint64_t obj, const char *name) 1618ad135b5dSChristopher Siden { 1619ad135b5dSChristopher Siden char bytes[32]; 1620ad135b5dSChristopher Siden bptree_phys_t *bt; 1621ad135b5dSChristopher Siden dmu_buf_t *db; 1622ad135b5dSChristopher Siden 16230a055120SJason King /* make sure nicenum has enough space */ 16240a055120SJason King CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ); 16250a055120SJason King 1626ad135b5dSChristopher Siden if (dump_opt['d'] < 3) 1627ad135b5dSChristopher Siden return; 1628ad135b5dSChristopher Siden 1629b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); 1630ad135b5dSChristopher Siden bt = db->db_data; 16310a055120SJason King zdb_nicenum(bt->bt_bytes, bytes, sizeof (bytes)); 1632ad135b5dSChristopher Siden (void) printf("\n %s: %llu datasets, %s\n", 1633ad135b5dSChristopher Siden name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes); 1634ad135b5dSChristopher Siden dmu_buf_rele(db, FTAG); 1635ad135b5dSChristopher Siden 1636ad135b5dSChristopher Siden if (dump_opt['d'] < 5) 1637ad135b5dSChristopher Siden return; 1638ad135b5dSChristopher Siden 1639ad135b5dSChristopher Siden (void) printf("\n"); 1640ad135b5dSChristopher Siden 1641ad135b5dSChristopher Siden (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL); 1642ad135b5dSChristopher Siden } 1643ad135b5dSChristopher Siden 1644cde58dbcSMatthew Ahrens /* ARGSUSED */ 1645cde58dbcSMatthew Ahrens static int 1646cde58dbcSMatthew Ahrens dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1647cde58dbcSMatthew Ahrens { 1648cde58dbcSMatthew Ahrens char blkbuf[BP_SPRINTF_LEN]; 1649cde58dbcSMatthew Ahrens 1650cde58dbcSMatthew Ahrens ASSERT(bp->blk_birth != 0); 165143466aaeSMax Grossman snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 1652cde58dbcSMatthew Ahrens (void) printf("\t%s\n", blkbuf); 1653cde58dbcSMatthew Ahrens return (0); 1654cde58dbcSMatthew Ahrens } 1655cde58dbcSMatthew Ahrens 1656fa9e4066Sahrens static void 16573f7978d0SAlan Somers dump_full_bpobj(bpobj_t *bpo, const char *name, int indent) 1658fa9e4066Sahrens { 16593f9d6ad7SLin Ling char bytes[32]; 16603f9d6ad7SLin Ling char comp[32]; 16613f9d6ad7SLin Ling char uncomp[32]; 1662fa9e4066Sahrens 16630a055120SJason King /* make sure nicenum has enough space */ 16640a055120SJason King CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ); 16650a055120SJason King CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ); 16660a055120SJason King CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ); 16670a055120SJason King 1668fa9e4066Sahrens if (dump_opt['d'] < 3) 1669fa9e4066Sahrens return; 1670fa9e4066Sahrens 16710a055120SJason King zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes, sizeof (bytes)); 1672d0475637SMatthew Ahrens if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) { 16730a055120SJason King zdb_nicenum(bpo->bpo_phys->bpo_comp, comp, sizeof (comp)); 16740a055120SJason King zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp, sizeof (uncomp)); 1675d0475637SMatthew Ahrens (void) printf(" %*s: object %llu, %llu local blkptrs, " 1676732885fcSMatthew Ahrens "%llu subobjs in object %llu, %s (%s/%s comp)\n", 1677d0475637SMatthew Ahrens indent * 8, name, 1678d0475637SMatthew Ahrens (u_longlong_t)bpo->bpo_object, 1679d0475637SMatthew Ahrens (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1680cde58dbcSMatthew Ahrens (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1681732885fcSMatthew Ahrens (u_longlong_t)bpo->bpo_phys->bpo_subobjs, 168299653d4eSeschrock bytes, comp, uncomp); 1683d0475637SMatthew Ahrens 1684d0475637SMatthew Ahrens for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) { 1685d0475637SMatthew Ahrens uint64_t subobj; 1686d0475637SMatthew Ahrens bpobj_t subbpo; 1687d0475637SMatthew Ahrens int error; 1688d0475637SMatthew Ahrens VERIFY0(dmu_read(bpo->bpo_os, 1689d0475637SMatthew Ahrens bpo->bpo_phys->bpo_subobjs, 1690d0475637SMatthew Ahrens i * sizeof (subobj), sizeof (subobj), &subobj, 0)); 1691d0475637SMatthew Ahrens error = bpobj_open(&subbpo, bpo->bpo_os, subobj); 1692d0475637SMatthew Ahrens if (error != 0) { 1693d0475637SMatthew Ahrens (void) printf("ERROR %u while trying to open " 1694d0475637SMatthew Ahrens "subobj id %llu\n", 1695d0475637SMatthew Ahrens error, (u_longlong_t)subobj); 1696d0475637SMatthew Ahrens continue; 1697d0475637SMatthew Ahrens } 1698732885fcSMatthew Ahrens dump_full_bpobj(&subbpo, "subobj", indent + 1); 169977061867SMatthew Ahrens bpobj_close(&subbpo); 1700d0475637SMatthew Ahrens } 170199653d4eSeschrock } else { 1702d0475637SMatthew Ahrens (void) printf(" %*s: object %llu, %llu blkptrs, %s\n", 1703d0475637SMatthew Ahrens indent * 8, name, 1704d0475637SMatthew Ahrens (u_longlong_t)bpo->bpo_object, 1705d0475637SMatthew Ahrens (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1706d0475637SMatthew Ahrens bytes); 170799653d4eSeschrock } 1708fa9e4066Sahrens 1709cde58dbcSMatthew Ahrens if (dump_opt['d'] < 5) 1710fa9e4066Sahrens return; 1711fa9e4066Sahrens 1712fa9e4066Sahrens 1713d0475637SMatthew Ahrens if (indent == 0) { 1714d0475637SMatthew Ahrens (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1715d0475637SMatthew Ahrens (void) printf("\n"); 1716d0475637SMatthew Ahrens } 1717cde58dbcSMatthew Ahrens } 171844cd46caSbillm 1719cde58dbcSMatthew Ahrens static void 1720cde58dbcSMatthew Ahrens dump_deadlist(dsl_deadlist_t *dl) 1721cde58dbcSMatthew Ahrens { 1722cde58dbcSMatthew Ahrens dsl_deadlist_entry_t *dle; 1723d0475637SMatthew Ahrens uint64_t unused; 1724cde58dbcSMatthew Ahrens char bytes[32]; 1725cde58dbcSMatthew Ahrens char comp[32]; 1726cde58dbcSMatthew Ahrens char uncomp[32]; 1727cde58dbcSMatthew Ahrens 17280a055120SJason King /* make sure nicenum has enough space */ 17290a055120SJason King CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ); 17300a055120SJason King CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ); 17310a055120SJason King CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ); 17320a055120SJason King 1733cde58dbcSMatthew Ahrens if (dump_opt['d'] < 3) 1734cde58dbcSMatthew Ahrens return; 1735cde58dbcSMatthew Ahrens 173690c76c66SMatthew Ahrens if (dl->dl_oldfmt) { 1737732885fcSMatthew Ahrens dump_full_bpobj(&dl->dl_bpobj, "old-format deadlist", 0); 173890c76c66SMatthew Ahrens return; 173990c76c66SMatthew Ahrens } 174090c76c66SMatthew Ahrens 17410a055120SJason King zdb_nicenum(dl->dl_phys->dl_used, bytes, sizeof (bytes)); 17420a055120SJason King zdb_nicenum(dl->dl_phys->dl_comp, comp, sizeof (comp)); 17430a055120SJason King zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp, sizeof (uncomp)); 1744cde58dbcSMatthew Ahrens (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1745cde58dbcSMatthew Ahrens bytes, comp, uncomp); 1746cde58dbcSMatthew Ahrens 1747cde58dbcSMatthew Ahrens if (dump_opt['d'] < 4) 1748cde58dbcSMatthew Ahrens return; 1749cde58dbcSMatthew Ahrens 1750cde58dbcSMatthew Ahrens (void) printf("\n"); 1751cde58dbcSMatthew Ahrens 1752d0475637SMatthew Ahrens /* force the tree to be loaded */ 1753d0475637SMatthew Ahrens dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused); 1754d0475637SMatthew Ahrens 1755cde58dbcSMatthew Ahrens for (dle = avl_first(&dl->dl_tree); dle; 1756cde58dbcSMatthew Ahrens dle = AVL_NEXT(&dl->dl_tree, dle)) { 1757d0475637SMatthew Ahrens if (dump_opt['d'] >= 5) { 1758d0475637SMatthew Ahrens char buf[128]; 1759de05b588SRichard Yao (void) snprintf(buf, sizeof (buf), 1760de05b588SRichard Yao "mintxg %llu -> obj %llu", 1761d0475637SMatthew Ahrens (longlong_t)dle->dle_mintxg, 1762d0475637SMatthew Ahrens (longlong_t)dle->dle_bpobj.bpo_object); 1763fa9e4066Sahrens 1764732885fcSMatthew Ahrens dump_full_bpobj(&dle->dle_bpobj, buf, 0); 1765d0475637SMatthew Ahrens } else { 1766d0475637SMatthew Ahrens (void) printf("mintxg %llu -> obj %llu\n", 1767d0475637SMatthew Ahrens (longlong_t)dle->dle_mintxg, 1768d0475637SMatthew Ahrens (longlong_t)dle->dle_bpobj.bpo_object); 1769d0475637SMatthew Ahrens 1770d0475637SMatthew Ahrens } 1771cde58dbcSMatthew Ahrens } 1772fa9e4066Sahrens } 1773fa9e4066Sahrens 1774e0d35c44Smarks static avl_tree_t idx_tree; 1775e0d35c44Smarks static avl_tree_t domain_tree; 1776e0d35c44Smarks static boolean_t fuid_table_loaded; 1777ed61ec1dSYuri Pankov static objset_t *sa_os = NULL; 1778ed61ec1dSYuri Pankov static sa_attr_type_t *sa_attr_table = NULL; 1779ed61ec1dSYuri Pankov 1780ed61ec1dSYuri Pankov static int 1781ed61ec1dSYuri Pankov open_objset(const char *path, dmu_objset_type_t type, void *tag, objset_t **osp) 1782ed61ec1dSYuri Pankov { 1783ed61ec1dSYuri Pankov int err; 1784ed61ec1dSYuri Pankov uint64_t sa_attrs = 0; 1785ed61ec1dSYuri Pankov uint64_t version = 0; 1786ed61ec1dSYuri Pankov 1787ed61ec1dSYuri Pankov VERIFY3P(sa_os, ==, NULL); 1788ed61ec1dSYuri Pankov err = dmu_objset_own(path, type, B_TRUE, tag, osp); 1789ed61ec1dSYuri Pankov if (err != 0) { 1790ed61ec1dSYuri Pankov (void) fprintf(stderr, "failed to own dataset '%s': %s\n", path, 1791ed61ec1dSYuri Pankov strerror(err)); 1792ed61ec1dSYuri Pankov return (err); 1793ed61ec1dSYuri Pankov } 1794ed61ec1dSYuri Pankov 1795ed61ec1dSYuri Pankov if (dmu_objset_type(*osp) == DMU_OST_ZFS) { 1796ed61ec1dSYuri Pankov (void) zap_lookup(*osp, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1797ed61ec1dSYuri Pankov 8, 1, &version); 1798ed61ec1dSYuri Pankov if (version >= ZPL_VERSION_SA) { 1799ed61ec1dSYuri Pankov (void) zap_lookup(*osp, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1800ed61ec1dSYuri Pankov 8, 1, &sa_attrs); 1801ed61ec1dSYuri Pankov } 1802ed61ec1dSYuri Pankov err = sa_setup(*osp, sa_attrs, zfs_attr_table, ZPL_END, 1803ed61ec1dSYuri Pankov &sa_attr_table); 1804ed61ec1dSYuri Pankov if (err != 0) { 1805ed61ec1dSYuri Pankov (void) fprintf(stderr, "sa_setup failed: %s\n", 1806ed61ec1dSYuri Pankov strerror(err)); 1807ed61ec1dSYuri Pankov dmu_objset_disown(*osp, tag); 1808ed61ec1dSYuri Pankov *osp = NULL; 1809ed61ec1dSYuri Pankov } 1810ed61ec1dSYuri Pankov } 1811ed61ec1dSYuri Pankov sa_os = *osp; 1812ed61ec1dSYuri Pankov 1813ed61ec1dSYuri Pankov return (0); 1814ed61ec1dSYuri Pankov } 1815ed61ec1dSYuri Pankov 1816ed61ec1dSYuri Pankov static void 1817ed61ec1dSYuri Pankov close_objset(objset_t *os, void *tag) 1818ed61ec1dSYuri Pankov { 1819ed61ec1dSYuri Pankov VERIFY3P(os, ==, sa_os); 1820ed61ec1dSYuri Pankov if (os->os_sa != NULL) 1821ed61ec1dSYuri Pankov sa_tear_down(os); 1822ed61ec1dSYuri Pankov dmu_objset_disown(os, tag); 1823ed61ec1dSYuri Pankov sa_attr_table = NULL; 1824ed61ec1dSYuri Pankov sa_os = NULL; 1825ed61ec1dSYuri Pankov } 1826e0d35c44Smarks 1827e0d35c44Smarks static void 1828e0d35c44Smarks fuid_table_destroy() 1829e0d35c44Smarks { 1830e0d35c44Smarks if (fuid_table_loaded) { 1831e0d35c44Smarks zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1832e0d35c44Smarks fuid_table_loaded = B_FALSE; 1833e0d35c44Smarks } 1834e0d35c44Smarks } 1835e0d35c44Smarks 1836e0d35c44Smarks /* 1837e0d35c44Smarks * print uid or gid information. 1838e0d35c44Smarks * For normal POSIX id just the id is printed in decimal format. 1839e0d35c44Smarks * For CIFS files with FUID the fuid is printed in hex followed by 1840d0475637SMatthew Ahrens * the domain-rid string. 1841e0d35c44Smarks */ 1842e0d35c44Smarks static void 1843e0d35c44Smarks print_idstr(uint64_t id, const char *id_type) 1844e0d35c44Smarks { 1845e0d35c44Smarks if (FUID_INDEX(id)) { 1846e0d35c44Smarks char *domain; 1847e0d35c44Smarks 1848e0d35c44Smarks domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1849e0d35c44Smarks (void) printf("\t%s %llx [%s-%d]\n", id_type, 1850e0d35c44Smarks (u_longlong_t)id, domain, (int)FUID_RID(id)); 1851e0d35c44Smarks } else { 1852e0d35c44Smarks (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1853e0d35c44Smarks } 1854e0d35c44Smarks 1855e0d35c44Smarks } 1856e0d35c44Smarks 1857e0d35c44Smarks static void 18580a586ceaSMark Shellenbaum dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1859e0d35c44Smarks { 1860e0d35c44Smarks uint32_t uid_idx, gid_idx; 1861e0d35c44Smarks 18620a586ceaSMark Shellenbaum uid_idx = FUID_INDEX(uid); 18630a586ceaSMark Shellenbaum gid_idx = FUID_INDEX(gid); 1864e0d35c44Smarks 1865e0d35c44Smarks /* Load domain table, if not already loaded */ 1866e0d35c44Smarks if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1867e0d35c44Smarks uint64_t fuid_obj; 1868e0d35c44Smarks 1869e0d35c44Smarks /* first find the fuid object. It lives in the master node */ 1870e0d35c44Smarks VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1871e0d35c44Smarks 8, 1, &fuid_obj) == 0); 187289459e17SMark Shellenbaum zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1873e0d35c44Smarks (void) zfs_fuid_table_load(os, fuid_obj, 1874e0d35c44Smarks &idx_tree, &domain_tree); 1875e0d35c44Smarks fuid_table_loaded = B_TRUE; 1876e0d35c44Smarks } 1877e0d35c44Smarks 18780a586ceaSMark Shellenbaum print_idstr(uid, "uid"); 18790a586ceaSMark Shellenbaum print_idstr(gid, "gid"); 1880e0d35c44Smarks } 1881e0d35c44Smarks 1882fa9e4066Sahrens /*ARGSUSED*/ 1883fa9e4066Sahrens static void 1884fa9e4066Sahrens dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1885fa9e4066Sahrens { 1886fa9e4066Sahrens char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 18870a586ceaSMark Shellenbaum sa_handle_t *hdl; 18880a586ceaSMark Shellenbaum uint64_t xattr, rdev, gen; 18890a586ceaSMark Shellenbaum uint64_t uid, gid, mode, fsize, parent, links; 18908f2529deSMark Shellenbaum uint64_t pflags; 18910a586ceaSMark Shellenbaum uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 18920a586ceaSMark Shellenbaum time_t z_crtime, z_atime, z_mtime, z_ctime; 18938f2529deSMark Shellenbaum sa_bulk_attr_t bulk[12]; 18940a586ceaSMark Shellenbaum int idx = 0; 189555434c77Sek int error; 1896fa9e4066Sahrens 1897ed61ec1dSYuri Pankov VERIFY3P(os, ==, sa_os); 18980a586ceaSMark Shellenbaum if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 18990a586ceaSMark Shellenbaum (void) printf("Failed to get handle for SA znode\n"); 19000a586ceaSMark Shellenbaum return; 19010a586ceaSMark Shellenbaum } 19020a586ceaSMark Shellenbaum 19030a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 19040a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 19050a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 19060a586ceaSMark Shellenbaum &links, 8); 19070a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 19080a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 19090a586ceaSMark Shellenbaum &mode, 8); 19100a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 19110a586ceaSMark Shellenbaum NULL, &parent, 8); 19120a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 19130a586ceaSMark Shellenbaum &fsize, 8); 19140a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 19150a586ceaSMark Shellenbaum acctm, 16); 19160a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 19170a586ceaSMark Shellenbaum modtm, 16); 19180a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 19190a586ceaSMark Shellenbaum crtm, 16); 19200a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 19210a586ceaSMark Shellenbaum chgtm, 16); 19228f2529deSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 19238f2529deSMark Shellenbaum &pflags, 8); 19240a586ceaSMark Shellenbaum 19250a586ceaSMark Shellenbaum if (sa_bulk_lookup(hdl, bulk, idx)) { 19260a586ceaSMark Shellenbaum (void) sa_handle_destroy(hdl); 19270a586ceaSMark Shellenbaum return; 19280a586ceaSMark Shellenbaum } 1929fa9e4066Sahrens 19300a586ceaSMark Shellenbaum z_crtime = (time_t)crtm[0]; 19310a586ceaSMark Shellenbaum z_atime = (time_t)acctm[0]; 19320a586ceaSMark Shellenbaum z_mtime = (time_t)modtm[0]; 19330a586ceaSMark Shellenbaum z_ctime = (time_t)chgtm[0]; 1934fa9e4066Sahrens 1935e548d2faSAlan Somers if (dump_opt['d'] > 4) { 1936e548d2faSAlan Somers error = zfs_obj_to_path(os, object, path, sizeof (path)); 1937e548d2faSAlan Somers if (error != 0) { 1938e548d2faSAlan Somers (void) snprintf(path, sizeof (path), 1939e548d2faSAlan Somers "\?\?\?<object#%llu>", (u_longlong_t)object); 1940e548d2faSAlan Somers } 1941e548d2faSAlan Somers (void) printf("\tpath %s\n", path); 1942e548d2faSAlan Somers } 19430a586ceaSMark Shellenbaum dump_uidgid(os, uid, gid); 1944fa9e4066Sahrens (void) printf("\tatime %s", ctime(&z_atime)); 1945fa9e4066Sahrens (void) printf("\tmtime %s", ctime(&z_mtime)); 1946fa9e4066Sahrens (void) printf("\tctime %s", ctime(&z_ctime)); 1947fa9e4066Sahrens (void) printf("\tcrtime %s", ctime(&z_crtime)); 19480a586ceaSMark Shellenbaum (void) printf("\tgen %llu\n", (u_longlong_t)gen); 19490a586ceaSMark Shellenbaum (void) printf("\tmode %llo\n", (u_longlong_t)mode); 19500a586ceaSMark Shellenbaum (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 19510a586ceaSMark Shellenbaum (void) printf("\tparent %llu\n", (u_longlong_t)parent); 19520a586ceaSMark Shellenbaum (void) printf("\tlinks %llu\n", (u_longlong_t)links); 19538f2529deSMark Shellenbaum (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 19540a586ceaSMark Shellenbaum if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 19550a586ceaSMark Shellenbaum sizeof (uint64_t)) == 0) 19560a586ceaSMark Shellenbaum (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 19570a586ceaSMark Shellenbaum if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 19580a586ceaSMark Shellenbaum sizeof (uint64_t)) == 0) 19590a586ceaSMark Shellenbaum (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 19600a586ceaSMark Shellenbaum sa_handle_destroy(hdl); 1961fa9e4066Sahrens } 1962fa9e4066Sahrens 1963fa9e4066Sahrens /*ARGSUSED*/ 1964fa9e4066Sahrens static void 1965fa9e4066Sahrens dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1966fa9e4066Sahrens { 1967fa9e4066Sahrens } 1968fa9e4066Sahrens 1969fa9e4066Sahrens /*ARGSUSED*/ 1970fa9e4066Sahrens static void 1971fa9e4066Sahrens dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1972fa9e4066Sahrens { 1973fa9e4066Sahrens } 1974fa9e4066Sahrens 19756de8f417SVictor Latushkin static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1976fa9e4066Sahrens dump_none, /* unallocated */ 1977fa9e4066Sahrens dump_zap, /* object directory */ 1978fa9e4066Sahrens dump_uint64, /* object array */ 1979fa9e4066Sahrens dump_none, /* packed nvlist */ 1980fa9e4066Sahrens dump_packed_nvlist, /* packed nvlist size */ 1981732885fcSMatthew Ahrens dump_none, /* bpobj */ 1982732885fcSMatthew Ahrens dump_bpobj, /* bpobj header */ 1983fa9e4066Sahrens dump_none, /* SPA space map header */ 1984fa9e4066Sahrens dump_none, /* SPA space map */ 1985fa9e4066Sahrens dump_none, /* ZIL intent log */ 1986fa9e4066Sahrens dump_dnode, /* DMU dnode */ 1987fa9e4066Sahrens dump_dmu_objset, /* DMU objset */ 1988ea8dc4b6Seschrock dump_dsl_dir, /* DSL directory */ 1989fa9e4066Sahrens dump_zap, /* DSL directory child map */ 1990fa9e4066Sahrens dump_zap, /* DSL dataset snap map */ 1991fa9e4066Sahrens dump_zap, /* DSL props */ 1992fa9e4066Sahrens dump_dsl_dataset, /* DSL dataset */ 1993fa9e4066Sahrens dump_znode, /* ZFS znode */ 1994da6c28aaSamw dump_acl, /* ZFS V0 ACL */ 1995fa9e4066Sahrens dump_uint8, /* ZFS plain file */ 1996e7437265Sahrens dump_zpldir, /* ZFS directory */ 1997fa9e4066Sahrens dump_zap, /* ZFS master node */ 1998fa9e4066Sahrens dump_zap, /* ZFS delete queue */ 1999fa9e4066Sahrens dump_uint8, /* zvol object */ 2000fa9e4066Sahrens dump_zap, /* zvol prop */ 2001fa9e4066Sahrens dump_uint8, /* other uint8[] */ 2002fa9e4066Sahrens dump_uint64, /* other uint64[] */ 2003fa9e4066Sahrens dump_zap, /* other ZAP */ 2004ea8dc4b6Seschrock dump_zap, /* persistent error log */ 200506eeb2adSek dump_uint8, /* SPA history */ 20064445fffbSMatthew Ahrens dump_history_offsets, /* SPA history offsets */ 2007b1b8ab34Slling dump_zap, /* Pool properties */ 2008ecd6cf80Smarks dump_zap, /* DSL permissions */ 2009da6c28aaSamw dump_acl, /* ZFS ACL */ 2010da6c28aaSamw dump_uint8, /* ZFS SYSACL */ 2011da6c28aaSamw dump_none, /* FUID nvlist */ 2012da6c28aaSamw dump_packed_nvlist, /* FUID nvlist size */ 2013088f3894Sahrens dump_zap, /* DSL dataset next clones */ 2014088f3894Sahrens dump_zap, /* DSL scrub queue */ 201514843421SMatthew Ahrens dump_zap, /* ZFS user/group used */ 201614843421SMatthew Ahrens dump_zap, /* ZFS user/group quota */ 2017842727c2SChris Kirby dump_zap, /* snapshot refcount tags */ 2018486ae710SMatthew Ahrens dump_ddt_zap, /* DDT ZAP object */ 2019b24ab676SJeff Bonwick dump_zap, /* DDT statistics */ 20200a586ceaSMark Shellenbaum dump_znode, /* SA object */ 20210a586ceaSMark Shellenbaum dump_zap, /* SA Master Node */ 20220a586ceaSMark Shellenbaum dump_sa_attrs, /* SA attribute registration */ 20230a586ceaSMark Shellenbaum dump_sa_layouts, /* SA attribute layouts */ 20243f9d6ad7SLin Ling dump_zap, /* DSL scrub translations */ 20253f9d6ad7SLin Ling dump_none, /* fake dedup BP */ 2026cde58dbcSMatthew Ahrens dump_zap, /* deadlist */ 2027cde58dbcSMatthew Ahrens dump_none, /* deadlist hdr */ 2028cde58dbcSMatthew Ahrens dump_zap, /* dsl clones */ 2029732885fcSMatthew Ahrens dump_bpobj_subobjs, /* bpobj subobjs */ 20300a586ceaSMark Shellenbaum dump_unknown, /* Unknown type, must be last */ 2031fa9e4066Sahrens }; 2032fa9e4066Sahrens 2033fa9e4066Sahrens static void 2034fa9e4066Sahrens dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 2035fa9e4066Sahrens { 2036fa9e4066Sahrens dmu_buf_t *db = NULL; 2037fa9e4066Sahrens dmu_object_info_t doi; 2038fa9e4066Sahrens dnode_t *dn; 2039fa9e4066Sahrens void *bonus = NULL; 2040fa9e4066Sahrens size_t bsize = 0; 20413f9d6ad7SLin Ling char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 20423f9d6ad7SLin Ling char bonus_size[32]; 2043fa9e4066Sahrens char aux[50]; 2044fa9e4066Sahrens int error; 2045fa9e4066Sahrens 20460a055120SJason King /* make sure nicenum has enough space */ 20470a055120SJason King CTASSERT(sizeof (iblk) >= NN_NUMBUF_SZ); 20480a055120SJason King CTASSERT(sizeof (dblk) >= NN_NUMBUF_SZ); 20490a055120SJason King CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ); 20500a055120SJason King CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ); 20510a055120SJason King CTASSERT(sizeof (bonus_size) >= NN_NUMBUF_SZ); 20520a055120SJason King 2053fa9e4066Sahrens if (*print_header) { 2054b24ab676SJeff Bonwick (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 2055b24ab676SJeff Bonwick "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 2056b24ab676SJeff Bonwick "%full", "type"); 2057fa9e4066Sahrens *print_header = 0; 2058fa9e4066Sahrens } 2059fa9e4066Sahrens 2060fa9e4066Sahrens if (object == 0) { 2061744947dcSTom Erickson dn = DMU_META_DNODE(os); 2062fa9e4066Sahrens } else { 2063ea8dc4b6Seschrock error = dmu_bonus_hold(os, object, FTAG, &db); 2064ea8dc4b6Seschrock if (error) 2065ea8dc4b6Seschrock fatal("dmu_bonus_hold(%llu) failed, errno %u", 2066ea8dc4b6Seschrock object, error); 2067fa9e4066Sahrens bonus = db->db_data; 2068fa9e4066Sahrens bsize = db->db_size; 2069744947dcSTom Erickson dn = DB_DNODE((dmu_buf_impl_t *)db); 2070fa9e4066Sahrens } 2071fa9e4066Sahrens dmu_object_info_from_dnode(dn, &doi); 2072fa9e4066Sahrens 20730a055120SJason King zdb_nicenum(doi.doi_metadata_block_size, iblk, sizeof (iblk)); 20740a055120SJason King zdb_nicenum(doi.doi_data_block_size, dblk, sizeof (dblk)); 20750a055120SJason King zdb_nicenum(doi.doi_max_offset, lsize, sizeof (lsize)); 20760a055120SJason King zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize, sizeof (asize)); 20770a055120SJason King zdb_nicenum(doi.doi_bonus_size, bonus_size, sizeof (bonus_size)); 2078b24ab676SJeff Bonwick (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 2079bbfd46c4SJeff Bonwick doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 2080bbfd46c4SJeff Bonwick doi.doi_max_offset); 2081fa9e4066Sahrens 2082fa9e4066Sahrens aux[0] = '\0'; 2083fa9e4066Sahrens 2084e7437265Sahrens if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 2085fa9e4066Sahrens (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 20866de8f417SVictor Latushkin ZDB_CHECKSUM_NAME(doi.doi_checksum)); 2087e7437265Sahrens } 2088fa9e4066Sahrens 2089e7437265Sahrens if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 2090fa9e4066Sahrens (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 20916de8f417SVictor Latushkin ZDB_COMPRESS_NAME(doi.doi_compress)); 2092e7437265Sahrens } 2093fa9e4066Sahrens 2094b24ab676SJeff Bonwick (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 2095b24ab676SJeff Bonwick (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 2096b24ab676SJeff Bonwick asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 2097fa9e4066Sahrens 2098fa9e4066Sahrens if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 2099b24ab676SJeff Bonwick (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 2100b24ab676SJeff Bonwick "", "", "", "", "", bonus_size, "bonus", 21016de8f417SVictor Latushkin ZDB_OT_NAME(doi.doi_bonus_type)); 2102fa9e4066Sahrens } 2103fa9e4066Sahrens 2104fa9e4066Sahrens if (verbosity >= 4) { 21050a586ceaSMark Shellenbaum (void) printf("\tdnode flags: %s%s%s\n", 210614843421SMatthew Ahrens (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 210714843421SMatthew Ahrens "USED_BYTES " : "", 210814843421SMatthew Ahrens (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 21090a586ceaSMark Shellenbaum "USERUSED_ACCOUNTED " : "", 21100a586ceaSMark Shellenbaum (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 21110a586ceaSMark Shellenbaum "SPILL_BLKPTR" : ""); 211214843421SMatthew Ahrens (void) printf("\tdnode maxblkid: %llu\n", 211314843421SMatthew Ahrens (longlong_t)dn->dn_phys->dn_maxblkid); 211414843421SMatthew Ahrens 21156de8f417SVictor Latushkin object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 21166de8f417SVictor Latushkin bonus, bsize); 21176de8f417SVictor Latushkin object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 2118fa9e4066Sahrens *print_header = 1; 2119fa9e4066Sahrens } 2120fa9e4066Sahrens 2121fa9e4066Sahrens if (verbosity >= 5) 212288b7b0f2SMatthew Ahrens dump_indirect(dn); 2123fa9e4066Sahrens 2124fa9e4066Sahrens if (verbosity >= 5) { 2125fa9e4066Sahrens /* 2126fa9e4066Sahrens * Report the list of segments that comprise the object. 2127fa9e4066Sahrens */ 2128fa9e4066Sahrens uint64_t start = 0; 2129fa9e4066Sahrens uint64_t end; 2130fa9e4066Sahrens uint64_t blkfill = 1; 2131fa9e4066Sahrens int minlvl = 1; 2132fa9e4066Sahrens 2133fa9e4066Sahrens if (dn->dn_type == DMU_OT_DNODE) { 2134fa9e4066Sahrens minlvl = 0; 2135fa9e4066Sahrens blkfill = DNODES_PER_BLOCK; 2136fa9e4066Sahrens } 2137fa9e4066Sahrens 2138fa9e4066Sahrens for (;;) { 21393f9d6ad7SLin Ling char segsize[32]; 21400a055120SJason King /* make sure nicenum has enough space */ 21410a055120SJason King CTASSERT(sizeof (segsize) >= NN_NUMBUF_SZ); 2142cdb0ab79Smaybee error = dnode_next_offset(dn, 2143cdb0ab79Smaybee 0, &start, minlvl, blkfill, 0); 2144fa9e4066Sahrens if (error) 2145fa9e4066Sahrens break; 2146fa9e4066Sahrens end = start; 2147cdb0ab79Smaybee error = dnode_next_offset(dn, 2148cdb0ab79Smaybee DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 21490a055120SJason King zdb_nicenum(end - start, segsize, sizeof (segsize)); 2150fa9e4066Sahrens (void) printf("\t\tsegment [%016llx, %016llx)" 2151fa9e4066Sahrens " size %5s\n", (u_longlong_t)start, 2152fa9e4066Sahrens (u_longlong_t)end, segsize); 2153fa9e4066Sahrens if (error) 2154fa9e4066Sahrens break; 2155fa9e4066Sahrens start = end; 2156fa9e4066Sahrens } 2157fa9e4066Sahrens } 2158fa9e4066Sahrens 2159fa9e4066Sahrens if (db != NULL) 2160ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 2161fa9e4066Sahrens } 2162fa9e4066Sahrens 21633f7978d0SAlan Somers static const char *objset_types[DMU_OST_NUMTYPES] = { 2164fa9e4066Sahrens "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 2165fa9e4066Sahrens 2166fa9e4066Sahrens static void 2167fa9e4066Sahrens dump_dir(objset_t *os) 2168fa9e4066Sahrens { 2169fa9e4066Sahrens dmu_objset_stats_t dds; 2170fa9e4066Sahrens uint64_t object, object_count; 2171a2eea2e1Sahrens uint64_t refdbytes, usedobjs, scratch; 21723f9d6ad7SLin Ling char numbuf[32]; 217314843421SMatthew Ahrens char blkbuf[BP_SPRINTF_LEN + 20]; 21749adfa60dSMatthew Ahrens char osname[ZFS_MAX_DATASET_NAME_LEN]; 21753f7978d0SAlan Somers const char *type = "UNKNOWN"; 2176fa9e4066Sahrens int verbosity = dump_opt['d']; 2177fa9e4066Sahrens int print_header = 1; 21783f7978d0SAlan Somers unsigned i; 21793f7978d0SAlan Somers int error; 2180fa9e4066Sahrens 21810a055120SJason King /* make sure nicenum has enough space */ 21820a055120SJason King CTASSERT(sizeof (numbuf) >= NN_NUMBUF_SZ); 21830a055120SJason King 21843b2aab18SMatthew Ahrens dsl_pool_config_enter(dmu_objset_pool(os), FTAG); 2185a2eea2e1Sahrens dmu_objset_fast_stat(os, &dds); 21863b2aab18SMatthew Ahrens dsl_pool_config_exit(dmu_objset_pool(os), FTAG); 2187fa9e4066Sahrens 2188fa9e4066Sahrens if (dds.dds_type < DMU_OST_NUMTYPES) 2189fa9e4066Sahrens type = objset_types[dds.dds_type]; 2190fa9e4066Sahrens 2191fa9e4066Sahrens if (dds.dds_type == DMU_OST_META) { 2192fa9e4066Sahrens dds.dds_creation_txg = TXG_INITIAL; 21935d7b4d43SMatthew Ahrens usedobjs = BP_GET_FILL(os->os_rootbp); 2194c1379625SJustin T. Gibbs refdbytes = dsl_dir_phys(os->os_spa->spa_dsl_pool->dp_mos_dir)-> 2195c1379625SJustin T. Gibbs dd_used_bytes; 2196a2eea2e1Sahrens } else { 2197a2eea2e1Sahrens dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 2198fa9e4066Sahrens } 2199fa9e4066Sahrens 22005d7b4d43SMatthew Ahrens ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp)); 2201fa9e4066Sahrens 22020a055120SJason King zdb_nicenum(refdbytes, numbuf, sizeof (numbuf)); 2203fa9e4066Sahrens 2204fa9e4066Sahrens if (verbosity >= 4) { 220543466aaeSMax Grossman (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp "); 220643466aaeSMax Grossman (void) snprintf_blkptr(blkbuf + strlen(blkbuf), 220743466aaeSMax Grossman sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp); 2208fa9e4066Sahrens } else { 2209fa9e4066Sahrens blkbuf[0] = '\0'; 2210fa9e4066Sahrens } 2211fa9e4066Sahrens 2212fa9e4066Sahrens dmu_objset_name(os, osname); 2213fa9e4066Sahrens 2214a2eea2e1Sahrens (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 2215fa9e4066Sahrens "%s, %llu objects%s\n", 2216fa9e4066Sahrens osname, type, (u_longlong_t)dmu_objset_id(os), 2217fa9e4066Sahrens (u_longlong_t)dds.dds_creation_txg, 2218a2eea2e1Sahrens numbuf, (u_longlong_t)usedobjs, blkbuf); 2219fa9e4066Sahrens 2220b24ab676SJeff Bonwick if (zopt_objects != 0) { 2221b24ab676SJeff Bonwick for (i = 0; i < zopt_objects; i++) 2222b24ab676SJeff Bonwick dump_object(os, zopt_object[i], verbosity, 2223b24ab676SJeff Bonwick &print_header); 2224b24ab676SJeff Bonwick (void) printf("\n"); 2225b24ab676SJeff Bonwick return; 2226b24ab676SJeff Bonwick } 2227b24ab676SJeff Bonwick 2228b24ab676SJeff Bonwick if (dump_opt['i'] != 0 || verbosity >= 2) 2229b24ab676SJeff Bonwick dump_intent_log(dmu_objset_zil(os)); 2230fa9e4066Sahrens 22315cabbc6bSPrashanth Sreenivasa if (dmu_objset_ds(os) != NULL) { 22325cabbc6bSPrashanth Sreenivasa dsl_dataset_t *ds = dmu_objset_ds(os); 22335cabbc6bSPrashanth Sreenivasa dump_deadlist(&ds->ds_deadlist); 22345cabbc6bSPrashanth Sreenivasa 22355cabbc6bSPrashanth Sreenivasa if (dsl_dataset_remap_deadlist_exists(ds)) { 22365cabbc6bSPrashanth Sreenivasa (void) printf("ds_remap_deadlist:\n"); 22375cabbc6bSPrashanth Sreenivasa dump_deadlist(&ds->ds_remap_deadlist); 22385cabbc6bSPrashanth Sreenivasa } 22395cabbc6bSPrashanth Sreenivasa } 2240fa9e4066Sahrens 2241fa9e4066Sahrens if (verbosity < 2) 2242fa9e4066Sahrens return; 2243fa9e4066Sahrens 224443466aaeSMax Grossman if (BP_IS_HOLE(os->os_rootbp)) 2245088f3894Sahrens return; 2246088f3894Sahrens 2247fa9e4066Sahrens dump_object(os, 0, verbosity, &print_header); 224814843421SMatthew Ahrens object_count = 0; 2249744947dcSTom Erickson if (DMU_USERUSED_DNODE(os) != NULL && 2250744947dcSTom Erickson DMU_USERUSED_DNODE(os)->dn_type != 0) { 225114843421SMatthew Ahrens dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 225214843421SMatthew Ahrens dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 225314843421SMatthew Ahrens } 2254fa9e4066Sahrens 2255fa9e4066Sahrens object = 0; 22566754306eSahrens while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 2257fa9e4066Sahrens dump_object(os, object, verbosity, &print_header); 2258fa9e4066Sahrens object_count++; 2259fa9e4066Sahrens } 2260fa9e4066Sahrens 2261a2eea2e1Sahrens ASSERT3U(object_count, ==, usedobjs); 2262fa9e4066Sahrens 2263fa9e4066Sahrens (void) printf("\n"); 2264fa9e4066Sahrens 2265ccba0801SRich Morris if (error != ESRCH) { 2266ccba0801SRich Morris (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 2267ccba0801SRich Morris abort(); 2268ccba0801SRich Morris } 2269fa9e4066Sahrens } 2270fa9e4066Sahrens 2271fa9e4066Sahrens static void 227253b9a4a9SVictor Latushkin dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 2273fa9e4066Sahrens { 2274fa9e4066Sahrens time_t timestamp = ub->ub_timestamp; 2275fa9e4066Sahrens 22763f7978d0SAlan Somers (void) printf("%s", header ? header : ""); 2277fa9e4066Sahrens (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 2278fa9e4066Sahrens (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 2279fa9e4066Sahrens (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 2280fa9e4066Sahrens (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 2281fa9e4066Sahrens (void) printf("\ttimestamp = %llu UTC = %s", 2282fa9e4066Sahrens (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 2283fa9e4066Sahrens if (dump_opt['u'] >= 3) { 2284fbabab8fSmaybee char blkbuf[BP_SPRINTF_LEN]; 228543466aaeSMax Grossman snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp); 2286fa9e4066Sahrens (void) printf("\trootbp = %s\n", blkbuf); 2287fa9e4066Sahrens } 2288*86714001SSerapheim Dimitropoulos (void) printf("\tcheckpoint_txg = %llu\n", 2289*86714001SSerapheim Dimitropoulos (u_longlong_t)ub->ub_checkpoint_txg); 22903f7978d0SAlan Somers (void) printf("%s", footer ? footer : ""); 2291fa9e4066Sahrens } 2292fa9e4066Sahrens 2293fa9e4066Sahrens static void 229407428bdfSVictor Latushkin dump_config(spa_t *spa) 2295fa9e4066Sahrens { 229607428bdfSVictor Latushkin dmu_buf_t *db; 229707428bdfSVictor Latushkin size_t nvsize = 0; 229807428bdfSVictor Latushkin int error = 0; 229907428bdfSVictor Latushkin 2300fa9e4066Sahrens 230107428bdfSVictor Latushkin error = dmu_bonus_hold(spa->spa_meta_objset, 230207428bdfSVictor Latushkin spa->spa_config_object, FTAG, &db); 230307428bdfSVictor Latushkin 230407428bdfSVictor Latushkin if (error == 0) { 230507428bdfSVictor Latushkin nvsize = *(uint64_t *)db->db_data; 230607428bdfSVictor Latushkin dmu_buf_rele(db, FTAG); 230707428bdfSVictor Latushkin 230807428bdfSVictor Latushkin (void) printf("\nMOS Configuration:\n"); 230907428bdfSVictor Latushkin dump_packed_nvlist(spa->spa_meta_objset, 231007428bdfSVictor Latushkin spa->spa_config_object, (void *)&nvsize, 1); 231107428bdfSVictor Latushkin } else { 231207428bdfSVictor Latushkin (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 231307428bdfSVictor Latushkin (u_longlong_t)spa->spa_config_object, error); 2314fa9e4066Sahrens } 2315fa9e4066Sahrens } 2316fa9e4066Sahrens 2317c5904d13Seschrock static void 2318c5904d13Seschrock dump_cachefile(const char *cachefile) 2319c5904d13Seschrock { 2320c5904d13Seschrock int fd; 2321c5904d13Seschrock struct stat64 statbuf; 2322c5904d13Seschrock char *buf; 2323c5904d13Seschrock nvlist_t *config; 2324c5904d13Seschrock 2325c5904d13Seschrock if ((fd = open64(cachefile, O_RDONLY)) < 0) { 2326c5904d13Seschrock (void) printf("cannot open '%s': %s\n", cachefile, 2327c5904d13Seschrock strerror(errno)); 2328c5904d13Seschrock exit(1); 2329c5904d13Seschrock } 2330c5904d13Seschrock 2331c5904d13Seschrock if (fstat64(fd, &statbuf) != 0) { 2332c5904d13Seschrock (void) printf("failed to stat '%s': %s\n", cachefile, 2333c5904d13Seschrock strerror(errno)); 2334c5904d13Seschrock exit(1); 2335c5904d13Seschrock } 2336c5904d13Seschrock 2337c5904d13Seschrock if ((buf = malloc(statbuf.st_size)) == NULL) { 2338c5904d13Seschrock (void) fprintf(stderr, "failed to allocate %llu bytes\n", 2339c5904d13Seschrock (u_longlong_t)statbuf.st_size); 2340c5904d13Seschrock exit(1); 2341c5904d13Seschrock } 2342c5904d13Seschrock 2343c5904d13Seschrock if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 2344c5904d13Seschrock (void) fprintf(stderr, "failed to read %llu bytes\n", 2345c5904d13Seschrock (u_longlong_t)statbuf.st_size); 2346c5904d13Seschrock exit(1); 2347c5904d13Seschrock } 2348c5904d13Seschrock 2349c5904d13Seschrock (void) close(fd); 2350c5904d13Seschrock 2351c5904d13Seschrock if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 2352c5904d13Seschrock (void) fprintf(stderr, "failed to unpack nvlist\n"); 2353c5904d13Seschrock exit(1); 2354c5904d13Seschrock } 2355c5904d13Seschrock 2356c5904d13Seschrock free(buf); 2357c5904d13Seschrock 2358c5904d13Seschrock dump_nvlist(config, 0); 2359c5904d13Seschrock 2360c5904d13Seschrock nvlist_free(config); 2361c5904d13Seschrock } 2362c5904d13Seschrock 236353b9a4a9SVictor Latushkin #define ZDB_MAX_UB_HEADER_SIZE 32 236453b9a4a9SVictor Latushkin 236553b9a4a9SVictor Latushkin static void 236653b9a4a9SVictor Latushkin dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 236753b9a4a9SVictor Latushkin { 236853b9a4a9SVictor Latushkin vdev_t vd; 236953b9a4a9SVictor Latushkin vdev_t *vdp = &vd; 237053b9a4a9SVictor Latushkin char header[ZDB_MAX_UB_HEADER_SIZE]; 237153b9a4a9SVictor Latushkin 237253b9a4a9SVictor Latushkin vd.vdev_ashift = ashift; 237353b9a4a9SVictor Latushkin vdp->vdev_top = vdp; 237453b9a4a9SVictor Latushkin 237553b9a4a9SVictor Latushkin for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 237653b9a4a9SVictor Latushkin uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 237753b9a4a9SVictor Latushkin uberblock_t *ub = (void *)((char *)lbl + uoff); 237853b9a4a9SVictor Latushkin 237953b9a4a9SVictor Latushkin if (uberblock_verify(ub)) 238053b9a4a9SVictor Latushkin continue; 238153b9a4a9SVictor Latushkin (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 238253b9a4a9SVictor Latushkin "Uberblock[%d]\n", i); 238353b9a4a9SVictor Latushkin dump_uberblock(ub, header, ""); 238453b9a4a9SVictor Latushkin } 238553b9a4a9SVictor Latushkin } 238653b9a4a9SVictor Latushkin 2387ed61ec1dSYuri Pankov static char curpath[PATH_MAX]; 2388ed61ec1dSYuri Pankov 2389ed61ec1dSYuri Pankov /* 2390ed61ec1dSYuri Pankov * Iterate through the path components, recursively passing 2391ed61ec1dSYuri Pankov * current one's obj and remaining path until we find the obj 2392ed61ec1dSYuri Pankov * for the last one. 2393ed61ec1dSYuri Pankov */ 2394ed61ec1dSYuri Pankov static int 2395ed61ec1dSYuri Pankov dump_path_impl(objset_t *os, uint64_t obj, char *name) 2396ed61ec1dSYuri Pankov { 2397ed61ec1dSYuri Pankov int err; 2398ed61ec1dSYuri Pankov int header = 1; 2399ed61ec1dSYuri Pankov uint64_t child_obj; 2400ed61ec1dSYuri Pankov char *s; 2401ed61ec1dSYuri Pankov dmu_buf_t *db; 2402ed61ec1dSYuri Pankov dmu_object_info_t doi; 2403ed61ec1dSYuri Pankov 2404ed61ec1dSYuri Pankov if ((s = strchr(name, '/')) != NULL) 2405ed61ec1dSYuri Pankov *s = '\0'; 2406ed61ec1dSYuri Pankov err = zap_lookup(os, obj, name, 8, 1, &child_obj); 2407ed61ec1dSYuri Pankov 2408ed61ec1dSYuri Pankov (void) strlcat(curpath, name, sizeof (curpath)); 2409ed61ec1dSYuri Pankov 2410ed61ec1dSYuri Pankov if (err != 0) { 2411ed61ec1dSYuri Pankov (void) fprintf(stderr, "failed to lookup %s: %s\n", 2412ed61ec1dSYuri Pankov curpath, strerror(err)); 2413ed61ec1dSYuri Pankov return (err); 2414ed61ec1dSYuri Pankov } 2415ed61ec1dSYuri Pankov 2416ed61ec1dSYuri Pankov child_obj = ZFS_DIRENT_OBJ(child_obj); 2417ed61ec1dSYuri Pankov err = sa_buf_hold(os, child_obj, FTAG, &db); 2418ed61ec1dSYuri Pankov if (err != 0) { 2419ed61ec1dSYuri Pankov (void) fprintf(stderr, 2420ed61ec1dSYuri Pankov "failed to get SA dbuf for obj %llu: %s\n", 2421ed61ec1dSYuri Pankov (u_longlong_t)child_obj, strerror(err)); 2422ed61ec1dSYuri Pankov return (EINVAL); 2423ed61ec1dSYuri Pankov } 2424ed61ec1dSYuri Pankov dmu_object_info_from_db(db, &doi); 2425ed61ec1dSYuri Pankov sa_buf_rele(db, FTAG); 2426ed61ec1dSYuri Pankov 2427ed61ec1dSYuri Pankov if (doi.doi_bonus_type != DMU_OT_SA && 2428ed61ec1dSYuri Pankov doi.doi_bonus_type != DMU_OT_ZNODE) { 2429ed61ec1dSYuri Pankov (void) fprintf(stderr, "invalid bonus type %d for obj %llu\n", 2430ed61ec1dSYuri Pankov doi.doi_bonus_type, (u_longlong_t)child_obj); 2431ed61ec1dSYuri Pankov return (EINVAL); 2432ed61ec1dSYuri Pankov } 2433ed61ec1dSYuri Pankov 2434ed61ec1dSYuri Pankov if (dump_opt['v'] > 6) { 2435ed61ec1dSYuri Pankov (void) printf("obj=%llu %s type=%d bonustype=%d\n", 2436ed61ec1dSYuri Pankov (u_longlong_t)child_obj, curpath, doi.doi_type, 2437ed61ec1dSYuri Pankov doi.doi_bonus_type); 2438ed61ec1dSYuri Pankov } 2439ed61ec1dSYuri Pankov 2440ed61ec1dSYuri Pankov (void) strlcat(curpath, "/", sizeof (curpath)); 2441ed61ec1dSYuri Pankov 2442ed61ec1dSYuri Pankov switch (doi.doi_type) { 2443ed61ec1dSYuri Pankov case DMU_OT_DIRECTORY_CONTENTS: 2444ed61ec1dSYuri Pankov if (s != NULL && *(s + 1) != '\0') 2445ed61ec1dSYuri Pankov return (dump_path_impl(os, child_obj, s + 1)); 2446ed61ec1dSYuri Pankov /*FALLTHROUGH*/ 2447ed61ec1dSYuri Pankov case DMU_OT_PLAIN_FILE_CONTENTS: 2448ed61ec1dSYuri Pankov dump_object(os, child_obj, dump_opt['v'], &header); 2449ed61ec1dSYuri Pankov return (0); 2450ed61ec1dSYuri Pankov default: 2451ed61ec1dSYuri Pankov (void) fprintf(stderr, "object %llu has non-file/directory " 2452ed61ec1dSYuri Pankov "type %d\n", (u_longlong_t)obj, doi.doi_type); 2453ed61ec1dSYuri Pankov break; 2454ed61ec1dSYuri Pankov } 2455ed61ec1dSYuri Pankov 2456ed61ec1dSYuri Pankov return (EINVAL); 2457ed61ec1dSYuri Pankov } 2458ed61ec1dSYuri Pankov 2459ed61ec1dSYuri Pankov /* 2460ed61ec1dSYuri Pankov * Dump the blocks for the object specified by path inside the dataset. 2461ed61ec1dSYuri Pankov */ 2462ed61ec1dSYuri Pankov static int 2463ed61ec1dSYuri Pankov dump_path(char *ds, char *path) 2464ed61ec1dSYuri Pankov { 2465ed61ec1dSYuri Pankov int err; 2466ed61ec1dSYuri Pankov objset_t *os; 2467ed61ec1dSYuri Pankov uint64_t root_obj; 2468ed61ec1dSYuri Pankov 2469ed61ec1dSYuri Pankov err = open_objset(ds, DMU_OST_ZFS, FTAG, &os); 2470ed61ec1dSYuri Pankov if (err != 0) 2471ed61ec1dSYuri Pankov return (err); 2472ed61ec1dSYuri Pankov 2473ed61ec1dSYuri Pankov err = zap_lookup(os, MASTER_NODE_OBJ, ZFS_ROOT_OBJ, 8, 1, &root_obj); 2474ed61ec1dSYuri Pankov if (err != 0) { 2475ed61ec1dSYuri Pankov (void) fprintf(stderr, "can't lookup root znode: %s\n", 2476ed61ec1dSYuri Pankov strerror(err)); 2477ed61ec1dSYuri Pankov dmu_objset_disown(os, FTAG); 2478ed61ec1dSYuri Pankov return (EINVAL); 2479ed61ec1dSYuri Pankov } 2480ed61ec1dSYuri Pankov 2481ed61ec1dSYuri Pankov (void) snprintf(curpath, sizeof (curpath), "dataset=%s path=/", ds); 2482ed61ec1dSYuri Pankov 2483ed61ec1dSYuri Pankov err = dump_path_impl(os, root_obj, path); 2484ed61ec1dSYuri Pankov 2485ed61ec1dSYuri Pankov close_objset(os, FTAG); 2486ed61ec1dSYuri Pankov return (err); 2487ed61ec1dSYuri Pankov } 2488ed61ec1dSYuri Pankov 248964723e36SYuri Pankov static int 2490fa9e4066Sahrens dump_label(const char *dev) 2491fa9e4066Sahrens { 2492fa9e4066Sahrens int fd; 2493fa9e4066Sahrens vdev_label_t label; 249464723e36SYuri Pankov char path[MAXPATHLEN]; 249564723e36SYuri Pankov char *buf = label.vl_vdev_phys.vp_nvlist; 2496fa9e4066Sahrens size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 2497fa9e4066Sahrens struct stat64 statbuf; 249853b9a4a9SVictor Latushkin uint64_t psize, ashift; 249964723e36SYuri Pankov boolean_t label_found = B_FALSE; 250064723e36SYuri Pankov 250164723e36SYuri Pankov (void) strlcpy(path, dev, sizeof (path)); 250264723e36SYuri Pankov if (dev[0] == '/') { 250364723e36SYuri Pankov if (strncmp(dev, ZFS_DISK_ROOTD, 250464723e36SYuri Pankov strlen(ZFS_DISK_ROOTD)) == 0) { 250564723e36SYuri Pankov (void) snprintf(path, sizeof (path), "%s%s", 250664723e36SYuri Pankov ZFS_RDISK_ROOTD, dev + strlen(ZFS_DISK_ROOTD)); 250764723e36SYuri Pankov } 250864723e36SYuri Pankov } else if (stat64(path, &statbuf) != 0) { 250964723e36SYuri Pankov char *s; 2510c6065d0fSGeorge Wilson 251164723e36SYuri Pankov (void) snprintf(path, sizeof (path), "%s%s", ZFS_RDISK_ROOTD, 251264723e36SYuri Pankov dev); 251322c8b958SYuri Pankov if (((s = strrchr(dev, 's')) == NULL && 251422c8b958SYuri Pankov (s = strchr(dev, 'p')) == NULL) || 251522c8b958SYuri Pankov !isdigit(*(s + 1))) 251664723e36SYuri Pankov (void) strlcat(path, "s0", sizeof (path)); 2517fa9e4066Sahrens } 2518fa9e4066Sahrens 251922c8b958SYuri Pankov if ((fd = open64(path, O_RDONLY)) < 0) { 252022c8b958SYuri Pankov (void) fprintf(stderr, "cannot open '%s': %s\n", path, 2521fa9e4066Sahrens strerror(errno)); 2522c6065d0fSGeorge Wilson exit(1); 2523c6065d0fSGeorge Wilson } 2524c6065d0fSGeorge Wilson 252522c8b958SYuri Pankov if (fstat64(fd, &statbuf) != 0) { 252622c8b958SYuri Pankov (void) fprintf(stderr, "failed to stat '%s': %s\n", path, 252722c8b958SYuri Pankov strerror(errno)); 252822c8b958SYuri Pankov (void) close(fd); 252964723e36SYuri Pankov exit(1); 253064723e36SYuri Pankov } 253164723e36SYuri Pankov 253222c8b958SYuri Pankov if (S_ISBLK(statbuf.st_mode)) { 253322c8b958SYuri Pankov (void) fprintf(stderr, 253422c8b958SYuri Pankov "cannot use '%s': character device required\n", path); 253522c8b958SYuri Pankov (void) close(fd); 2536c6065d0fSGeorge Wilson exit(1); 2537fa9e4066Sahrens } 2538fa9e4066Sahrens 2539fa9e4066Sahrens psize = statbuf.st_size; 2540fa9e4066Sahrens psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 2541fa9e4066Sahrens 254253b9a4a9SVictor Latushkin for (int l = 0; l < VDEV_LABELS; l++) { 2543fa9e4066Sahrens nvlist_t *config = NULL; 2544fa9e4066Sahrens 254564723e36SYuri Pankov if (!dump_opt['q']) { 254664723e36SYuri Pankov (void) printf("------------------------------------\n"); 254764723e36SYuri Pankov (void) printf("LABEL %d\n", l); 254864723e36SYuri Pankov (void) printf("------------------------------------\n"); 254964723e36SYuri Pankov } 2550fa9e4066Sahrens 25510d981225Seschrock if (pread64(fd, &label, sizeof (label), 2552fa9e4066Sahrens vdev_label_offset(psize, l, 0)) != sizeof (label)) { 255364723e36SYuri Pankov if (!dump_opt['q']) 255464723e36SYuri Pankov (void) printf("failed to read label %d\n", l); 2555fa9e4066Sahrens continue; 2556fa9e4066Sahrens } 2557fa9e4066Sahrens 2558fa9e4066Sahrens if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 255964723e36SYuri Pankov if (!dump_opt['q']) 256064723e36SYuri Pankov (void) printf("failed to unpack label %d\n", l); 256153b9a4a9SVictor Latushkin ashift = SPA_MINBLOCKSHIFT; 256253b9a4a9SVictor Latushkin } else { 256353b9a4a9SVictor Latushkin nvlist_t *vdev_tree = NULL; 256453b9a4a9SVictor Latushkin 256564723e36SYuri Pankov if (!dump_opt['q']) 256664723e36SYuri Pankov dump_nvlist(config, 4); 256753b9a4a9SVictor Latushkin if ((nvlist_lookup_nvlist(config, 256853b9a4a9SVictor Latushkin ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 256953b9a4a9SVictor Latushkin (nvlist_lookup_uint64(vdev_tree, 257053b9a4a9SVictor Latushkin ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 257153b9a4a9SVictor Latushkin ashift = SPA_MINBLOCKSHIFT; 257253b9a4a9SVictor Latushkin nvlist_free(config); 257364723e36SYuri Pankov label_found = B_TRUE; 2574fa9e4066Sahrens } 257553b9a4a9SVictor Latushkin if (dump_opt['u']) 257653b9a4a9SVictor Latushkin dump_label_uberblocks(&label, ashift); 2577fa9e4066Sahrens } 2578c6065d0fSGeorge Wilson 2579c6065d0fSGeorge Wilson (void) close(fd); 258064723e36SYuri Pankov 258164723e36SYuri Pankov return (label_found ? 0 : 2); 2582fa9e4066Sahrens } 2583fa9e4066Sahrens 2584ca0cc391SMatthew Ahrens static uint64_t dataset_feature_count[SPA_FEATURES]; 25855cabbc6bSPrashanth Sreenivasa static uint64_t remap_deadlist_count = 0; 2586b5152584SMatthew Ahrens 2587fa9e4066Sahrens /*ARGSUSED*/ 25881d452cf5Sahrens static int 2589fd136879SMatthew Ahrens dump_one_dir(const char *dsname, void *arg) 2590fa9e4066Sahrens { 2591fa9e4066Sahrens int error; 2592fa9e4066Sahrens objset_t *os; 2593fa9e4066Sahrens 2594ed61ec1dSYuri Pankov error = open_objset(dsname, DMU_OST_ANY, FTAG, &os); 2595ed61ec1dSYuri Pankov if (error != 0) 25961d452cf5Sahrens return (0); 2597ca0cc391SMatthew Ahrens 2598ca0cc391SMatthew Ahrens for (spa_feature_t f = 0; f < SPA_FEATURES; f++) { 2599ca0cc391SMatthew Ahrens if (!dmu_objset_ds(os)->ds_feature_inuse[f]) 2600ca0cc391SMatthew Ahrens continue; 2601ca0cc391SMatthew Ahrens ASSERT(spa_feature_table[f].fi_flags & 2602ca0cc391SMatthew Ahrens ZFEATURE_FLAG_PER_DATASET); 2603ca0cc391SMatthew Ahrens dataset_feature_count[f]++; 2604ca0cc391SMatthew Ahrens } 2605ca0cc391SMatthew Ahrens 26065cabbc6bSPrashanth Sreenivasa if (dsl_dataset_remap_deadlist_exists(dmu_objset_ds(os))) { 26075cabbc6bSPrashanth Sreenivasa remap_deadlist_count++; 26085cabbc6bSPrashanth Sreenivasa } 26095cabbc6bSPrashanth Sreenivasa 2610fa9e4066Sahrens dump_dir(os); 2611ed61ec1dSYuri Pankov close_objset(os, FTAG); 2612e0d35c44Smarks fuid_table_destroy(); 26131d452cf5Sahrens return (0); 2614fa9e4066Sahrens } 2615fa9e4066Sahrens 2616fa9e4066Sahrens /* 2617b24ab676SJeff Bonwick * Block statistics. 2618fa9e4066Sahrens */ 2619b5152584SMatthew Ahrens #define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2) 2620fa9e4066Sahrens typedef struct zdb_blkstats { 2621490d05b9SMatthew Ahrens uint64_t zb_asize; 2622490d05b9SMatthew Ahrens uint64_t zb_lsize; 2623490d05b9SMatthew Ahrens uint64_t zb_psize; 2624490d05b9SMatthew Ahrens uint64_t zb_count; 2625d5ee8a13SMatthew Ahrens uint64_t zb_gangs; 2626d5ee8a13SMatthew Ahrens uint64_t zb_ditto_samevdev; 2627490d05b9SMatthew Ahrens uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE]; 2628fa9e4066Sahrens } zdb_blkstats_t; 2629fa9e4066Sahrens 2630b24ab676SJeff Bonwick /* 2631b24ab676SJeff Bonwick * Extended object types to report deferred frees and dedup auto-ditto blocks. 2632b24ab676SJeff Bonwick */ 2633b24ab676SJeff Bonwick #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 2634b24ab676SJeff Bonwick #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 2635ad135b5dSChristopher Siden #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2) 2636ad135b5dSChristopher Siden #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3) 2637b24ab676SJeff Bonwick 26383f7978d0SAlan Somers static const char *zdb_ot_extname[] = { 2639b24ab676SJeff Bonwick "deferred free", 2640b24ab676SJeff Bonwick "dedup ditto", 2641ad135b5dSChristopher Siden "other", 2642b24ab676SJeff Bonwick "Total", 2643b24ab676SJeff Bonwick }; 2644fa9e4066Sahrens 264588b7b0f2SMatthew Ahrens #define ZB_TOTAL DN_MAX_LEVELS 2646fa9e4066Sahrens 2647fa9e4066Sahrens typedef struct zdb_cb { 2648b24ab676SJeff Bonwick zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 26495cabbc6bSPrashanth Sreenivasa uint64_t zcb_removing_size; 2650*86714001SSerapheim Dimitropoulos uint64_t zcb_checkpoint_size; 2651b24ab676SJeff Bonwick uint64_t zcb_dedup_asize; 2652b24ab676SJeff Bonwick uint64_t zcb_dedup_blocks; 26535d7b4d43SMatthew Ahrens uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES]; 26545d7b4d43SMatthew Ahrens uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES] 26555d7b4d43SMatthew Ahrens [BPE_PAYLOAD_SIZE]; 2656490d05b9SMatthew Ahrens uint64_t zcb_start; 26573f7978d0SAlan Somers hrtime_t zcb_lastprint; 2658490d05b9SMatthew Ahrens uint64_t zcb_totalasize; 2659fa9e4066Sahrens uint64_t zcb_errors[256]; 2660fa9e4066Sahrens int zcb_readfails; 2661fa9e4066Sahrens int zcb_haderrors; 2662cde58dbcSMatthew Ahrens spa_t *zcb_spa; 26635cabbc6bSPrashanth Sreenivasa uint32_t **zcb_vd_obsolete_counts; 2664fa9e4066Sahrens } zdb_cb_t; 2665fa9e4066Sahrens 2666fa9e4066Sahrens static void 2667cde58dbcSMatthew Ahrens zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 2668b24ab676SJeff Bonwick dmu_object_type_t type) 2669fa9e4066Sahrens { 2670b24ab676SJeff Bonwick uint64_t refcnt = 0; 2671b24ab676SJeff Bonwick 2672b24ab676SJeff Bonwick ASSERT(type < ZDB_OT_TOTAL); 2673b24ab676SJeff Bonwick 2674b24ab676SJeff Bonwick if (zilog && zil_bp_tree_add(zilog, bp) != 0) 2675b24ab676SJeff Bonwick return; 2676b24ab676SJeff Bonwick 2677e14bb325SJeff Bonwick for (int i = 0; i < 4; i++) { 2678fa9e4066Sahrens int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 2679b24ab676SJeff Bonwick int t = (i & 1) ? type : ZDB_OT_TOTAL; 2680d5ee8a13SMatthew Ahrens int equal; 2681fa9e4066Sahrens zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 2682fa9e4066Sahrens 2683fa9e4066Sahrens zb->zb_asize += BP_GET_ASIZE(bp); 2684fa9e4066Sahrens zb->zb_lsize += BP_GET_LSIZE(bp); 2685fa9e4066Sahrens zb->zb_psize += BP_GET_PSIZE(bp); 2686fa9e4066Sahrens zb->zb_count++; 2687b5152584SMatthew Ahrens 2688b5152584SMatthew Ahrens /* 2689b5152584SMatthew Ahrens * The histogram is only big enough to record blocks up to 2690b5152584SMatthew Ahrens * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last, 2691b5152584SMatthew Ahrens * "other", bucket. 2692b5152584SMatthew Ahrens */ 26933f7978d0SAlan Somers unsigned idx = BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT; 2694b5152584SMatthew Ahrens idx = MIN(idx, SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1); 2695b5152584SMatthew Ahrens zb->zb_psize_histogram[idx]++; 2696d5ee8a13SMatthew Ahrens 2697d5ee8a13SMatthew Ahrens zb->zb_gangs += BP_COUNT_GANG(bp); 2698d5ee8a13SMatthew Ahrens 2699d5ee8a13SMatthew Ahrens switch (BP_GET_NDVAS(bp)) { 2700d5ee8a13SMatthew Ahrens case 2: 2701d5ee8a13SMatthew Ahrens if (DVA_GET_VDEV(&bp->blk_dva[0]) == 2702d5ee8a13SMatthew Ahrens DVA_GET_VDEV(&bp->blk_dva[1])) 2703d5ee8a13SMatthew Ahrens zb->zb_ditto_samevdev++; 2704d5ee8a13SMatthew Ahrens break; 2705d5ee8a13SMatthew Ahrens case 3: 2706d5ee8a13SMatthew Ahrens equal = (DVA_GET_VDEV(&bp->blk_dva[0]) == 2707d5ee8a13SMatthew Ahrens DVA_GET_VDEV(&bp->blk_dva[1])) + 2708d5ee8a13SMatthew Ahrens (DVA_GET_VDEV(&bp->blk_dva[0]) == 2709d5ee8a13SMatthew Ahrens DVA_GET_VDEV(&bp->blk_dva[2])) + 2710d5ee8a13SMatthew Ahrens (DVA_GET_VDEV(&bp->blk_dva[1]) == 2711d5ee8a13SMatthew Ahrens DVA_GET_VDEV(&bp->blk_dva[2])); 2712d5ee8a13SMatthew Ahrens if (equal != 0) 2713d5ee8a13SMatthew Ahrens zb->zb_ditto_samevdev++; 2714d5ee8a13SMatthew Ahrens break; 2715d5ee8a13SMatthew Ahrens } 2716d5ee8a13SMatthew Ahrens 2717fa9e4066Sahrens } 2718fa9e4066Sahrens 27195d7b4d43SMatthew Ahrens if (BP_IS_EMBEDDED(bp)) { 27205d7b4d43SMatthew Ahrens zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++; 27215d7b4d43SMatthew Ahrens zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)] 27225d7b4d43SMatthew Ahrens [BPE_GET_PSIZE(bp)]++; 27235d7b4d43SMatthew Ahrens return; 27245d7b4d43SMatthew Ahrens } 27255d7b4d43SMatthew Ahrens 2726b24ab676SJeff Bonwick if (dump_opt['L']) 2727b24ab676SJeff Bonwick return; 2728b24ab676SJeff Bonwick 2729b24ab676SJeff Bonwick if (BP_GET_DEDUP(bp)) { 2730b24ab676SJeff Bonwick ddt_t *ddt; 2731b24ab676SJeff Bonwick ddt_entry_t *dde; 2732b24ab676SJeff Bonwick 2733cde58dbcSMatthew Ahrens ddt = ddt_select(zcb->zcb_spa, bp); 2734b24ab676SJeff Bonwick ddt_enter(ddt); 2735b24ab676SJeff Bonwick dde = ddt_lookup(ddt, bp, B_FALSE); 2736b24ab676SJeff Bonwick 2737b24ab676SJeff Bonwick if (dde == NULL) { 2738b24ab676SJeff Bonwick refcnt = 0; 2739b24ab676SJeff Bonwick } else { 2740b24ab676SJeff Bonwick ddt_phys_t *ddp = ddt_phys_select(dde, bp); 2741b24ab676SJeff Bonwick ddt_phys_decref(ddp); 2742b24ab676SJeff Bonwick refcnt = ddp->ddp_refcnt; 2743b24ab676SJeff Bonwick if (ddt_phys_total_refcnt(dde) == 0) 2744b24ab676SJeff Bonwick ddt_remove(ddt, dde); 2745d41e7643Sek } 2746b24ab676SJeff Bonwick ddt_exit(ddt); 2747d41e7643Sek } 2748d41e7643Sek 2749cde58dbcSMatthew Ahrens VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 2750*86714001SSerapheim Dimitropoulos refcnt ? 0 : spa_min_claim_txg(zcb->zcb_spa), 2751b24ab676SJeff Bonwick bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 2752fa9e4066Sahrens } 2753fa9e4066Sahrens 275431d7e8faSGeorge Wilson static void 275531d7e8faSGeorge Wilson zdb_blkptr_done(zio_t *zio) 275631d7e8faSGeorge Wilson { 275731d7e8faSGeorge Wilson spa_t *spa = zio->io_spa; 275831d7e8faSGeorge Wilson blkptr_t *bp = zio->io_bp; 275931d7e8faSGeorge Wilson int ioerr = zio->io_error; 276031d7e8faSGeorge Wilson zdb_cb_t *zcb = zio->io_private; 27617802d7bfSMatthew Ahrens zbookmark_phys_t *zb = &zio->io_bookmark; 276231d7e8faSGeorge Wilson 2763770499e1SDan Kimmel abd_free(zio->io_abd); 276431d7e8faSGeorge Wilson 276531d7e8faSGeorge Wilson mutex_enter(&spa->spa_scrub_lock); 276631d7e8faSGeorge Wilson spa->spa_scrub_inflight--; 276731d7e8faSGeorge Wilson cv_broadcast(&spa->spa_scrub_io_cv); 276831d7e8faSGeorge Wilson 276931d7e8faSGeorge Wilson if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { 277031d7e8faSGeorge Wilson char blkbuf[BP_SPRINTF_LEN]; 277131d7e8faSGeorge Wilson 277231d7e8faSGeorge Wilson zcb->zcb_haderrors = 1; 277331d7e8faSGeorge Wilson zcb->zcb_errors[ioerr]++; 277431d7e8faSGeorge Wilson 277531d7e8faSGeorge Wilson if (dump_opt['b'] >= 2) 277643466aaeSMax Grossman snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 277731d7e8faSGeorge Wilson else 277831d7e8faSGeorge Wilson blkbuf[0] = '\0'; 277931d7e8faSGeorge Wilson 278031d7e8faSGeorge Wilson (void) printf("zdb_blkptr_cb: " 278131d7e8faSGeorge Wilson "Got error %d reading " 278231d7e8faSGeorge Wilson "<%llu, %llu, %lld, %llx> %s -- skipping\n", 278331d7e8faSGeorge Wilson ioerr, 278431d7e8faSGeorge Wilson (u_longlong_t)zb->zb_objset, 278531d7e8faSGeorge Wilson (u_longlong_t)zb->zb_object, 278631d7e8faSGeorge Wilson (u_longlong_t)zb->zb_level, 278731d7e8faSGeorge Wilson (u_longlong_t)zb->zb_blkid, 278831d7e8faSGeorge Wilson blkbuf); 278931d7e8faSGeorge Wilson } 279031d7e8faSGeorge Wilson mutex_exit(&spa->spa_scrub_lock); 279131d7e8faSGeorge Wilson } 279231d7e8faSGeorge Wilson 2793fa9e4066Sahrens static int 27941b912ec7SGeorge Wilson zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 27957802d7bfSMatthew Ahrens const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 2796fa9e4066Sahrens { 2797fa9e4066Sahrens zdb_cb_t *zcb = arg; 27986365109dSVictor Latushkin dmu_object_type_t type; 2799468c413aSTim Haley boolean_t is_metadata; 2800fa9e4066Sahrens 2801a2cdcdd2SPaul Dagnelie if (bp == NULL) 2802a2cdcdd2SPaul Dagnelie return (0); 2803a2cdcdd2SPaul Dagnelie 280443466aaeSMax Grossman if (dump_opt['b'] >= 5 && bp->blk_birth > 0) { 280543466aaeSMax Grossman char blkbuf[BP_SPRINTF_LEN]; 280643466aaeSMax Grossman snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 280743466aaeSMax Grossman (void) printf("objset %llu object %llu " 280843466aaeSMax Grossman "level %lld offset 0x%llx %s\n", 280943466aaeSMax Grossman (u_longlong_t)zb->zb_objset, 281043466aaeSMax Grossman (u_longlong_t)zb->zb_object, 281143466aaeSMax Grossman (longlong_t)zb->zb_level, 281243466aaeSMax Grossman (u_longlong_t)blkid2offset(dnp, bp, zb), 281343466aaeSMax Grossman blkbuf); 281443466aaeSMax Grossman } 281543466aaeSMax Grossman 281643466aaeSMax Grossman if (BP_IS_HOLE(bp)) 281788b7b0f2SMatthew Ahrens return (0); 2818e14bb325SJeff Bonwick 28196365109dSVictor Latushkin type = BP_GET_TYPE(bp); 2820e14bb325SJeff Bonwick 2821ad135b5dSChristopher Siden zdb_count_block(zcb, zilog, bp, 2822ad135b5dSChristopher Siden (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type); 28236365109dSVictor Latushkin 2824ad135b5dSChristopher Siden is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)); 28256365109dSVictor Latushkin 28265d7b4d43SMatthew Ahrens if (!BP_IS_EMBEDDED(bp) && 28275d7b4d43SMatthew Ahrens (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) { 2828468c413aSTim Haley size_t size = BP_GET_PSIZE(bp); 2829770499e1SDan Kimmel abd_t *abd = abd_alloc(size, B_FALSE); 2830b24ab676SJeff Bonwick int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 2831b24ab676SJeff Bonwick 2832b24ab676SJeff Bonwick /* If it's an intent log block, failure is expected. */ 2833b24ab676SJeff Bonwick if (zb->zb_level == ZB_ZIL_LEVEL) 2834b24ab676SJeff Bonwick flags |= ZIO_FLAG_SPECULATIVE; 2835b24ab676SJeff Bonwick 283631d7e8faSGeorge Wilson mutex_enter(&spa->spa_scrub_lock); 283731d7e8faSGeorge Wilson while (spa->spa_scrub_inflight > max_inflight) 283831d7e8faSGeorge Wilson cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); 283931d7e8faSGeorge Wilson spa->spa_scrub_inflight++; 284031d7e8faSGeorge Wilson mutex_exit(&spa->spa_scrub_lock); 2841b24ab676SJeff Bonwick 2842770499e1SDan Kimmel zio_nowait(zio_read(NULL, spa, bp, abd, size, 284331d7e8faSGeorge Wilson zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 2844fa9e4066Sahrens } 2845fa9e4066Sahrens 2846fa9e4066Sahrens zcb->zcb_readfails = 0; 2847fa9e4066Sahrens 2848f7950bf1SMatthew Ahrens /* only call gethrtime() every 100 blocks */ 2849f7950bf1SMatthew Ahrens static int iters; 2850f7950bf1SMatthew Ahrens if (++iters > 100) 2851f7950bf1SMatthew Ahrens iters = 0; 2852f7950bf1SMatthew Ahrens else 2853f7950bf1SMatthew Ahrens return (0); 2854f7950bf1SMatthew Ahrens 2855f7950bf1SMatthew Ahrens if (dump_opt['b'] < 5 && gethrtime() > zcb->zcb_lastprint + NANOSEC) { 2856490d05b9SMatthew Ahrens uint64_t now = gethrtime(); 2857490d05b9SMatthew Ahrens char buf[10]; 2858490d05b9SMatthew Ahrens uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize; 2859490d05b9SMatthew Ahrens int kb_per_sec = 2860490d05b9SMatthew Ahrens 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000)); 2861490d05b9SMatthew Ahrens int sec_remaining = 2862490d05b9SMatthew Ahrens (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec; 2863490d05b9SMatthew Ahrens 28640a055120SJason King /* make sure nicenum has enough space */ 28650a055120SJason King CTASSERT(sizeof (buf) >= NN_NUMBUF_SZ); 28660a055120SJason King 2867490d05b9SMatthew Ahrens zfs_nicenum(bytes, buf, sizeof (buf)); 2868490d05b9SMatthew Ahrens (void) fprintf(stderr, 2869490d05b9SMatthew Ahrens "\r%5s completed (%4dMB/s) " 2870490d05b9SMatthew Ahrens "estimated time remaining: %uhr %02umin %02usec ", 2871490d05b9SMatthew Ahrens buf, kb_per_sec / 1024, 2872490d05b9SMatthew Ahrens sec_remaining / 60 / 60, 2873490d05b9SMatthew Ahrens sec_remaining / 60 % 60, 2874490d05b9SMatthew Ahrens sec_remaining % 60); 2875490d05b9SMatthew Ahrens 2876490d05b9SMatthew Ahrens zcb->zcb_lastprint = now; 2877490d05b9SMatthew Ahrens } 2878490d05b9SMatthew Ahrens 2879fa9e4066Sahrens return (0); 2880fa9e4066Sahrens } 2881fa9e4066Sahrens 2882b24ab676SJeff Bonwick static void 28830713e232SGeorge Wilson zdb_leak(void *arg, uint64_t start, uint64_t size) 2884b24ab676SJeff Bonwick { 28850713e232SGeorge Wilson vdev_t *vd = arg; 2886b24ab676SJeff Bonwick 2887b24ab676SJeff Bonwick (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2888b24ab676SJeff Bonwick (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2889b24ab676SJeff Bonwick } 2890b24ab676SJeff Bonwick 28910713e232SGeorge Wilson static metaslab_ops_t zdb_metaslab_ops = { 28922e4c9986SGeorge Wilson NULL /* alloc */ 2893b24ab676SJeff Bonwick }; 2894b24ab676SJeff Bonwick 2895b24ab676SJeff Bonwick static void 2896bbfd46c4SJeff Bonwick zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2897b24ab676SJeff Bonwick { 28983f7978d0SAlan Somers ddt_bookmark_t ddb; 2899b24ab676SJeff Bonwick ddt_entry_t dde; 2900b24ab676SJeff Bonwick int error; 2901b24ab676SJeff Bonwick 29023f7978d0SAlan Somers bzero(&ddb, sizeof (ddb)); 2903bbfd46c4SJeff Bonwick while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2904b24ab676SJeff Bonwick blkptr_t blk; 2905b24ab676SJeff Bonwick ddt_phys_t *ddp = dde.dde_phys; 2906bbfd46c4SJeff Bonwick 2907bbfd46c4SJeff Bonwick if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2908bbfd46c4SJeff Bonwick return; 2909bbfd46c4SJeff Bonwick 2910b24ab676SJeff Bonwick ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2911bbfd46c4SJeff Bonwick 2912b24ab676SJeff Bonwick for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2913b24ab676SJeff Bonwick if (ddp->ddp_phys_birth == 0) 2914b24ab676SJeff Bonwick continue; 2915bbfd46c4SJeff Bonwick ddt_bp_create(ddb.ddb_checksum, 2916bbfd46c4SJeff Bonwick &dde.dde_key, ddp, &blk); 2917b24ab676SJeff Bonwick if (p == DDT_PHYS_DITTO) { 2918cde58dbcSMatthew Ahrens zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2919b24ab676SJeff Bonwick } else { 2920b24ab676SJeff Bonwick zcb->zcb_dedup_asize += 2921b24ab676SJeff Bonwick BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2922b24ab676SJeff Bonwick zcb->zcb_dedup_blocks++; 2923b24ab676SJeff Bonwick } 2924b24ab676SJeff Bonwick } 2925b24ab676SJeff Bonwick if (!dump_opt['L']) { 2926bbfd46c4SJeff Bonwick ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2927b24ab676SJeff Bonwick ddt_enter(ddt); 2928b24ab676SJeff Bonwick VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2929b24ab676SJeff Bonwick ddt_exit(ddt); 2930b24ab676SJeff Bonwick } 2931b24ab676SJeff Bonwick } 2932b24ab676SJeff Bonwick 2933b24ab676SJeff Bonwick ASSERT(error == ENOENT); 2934b24ab676SJeff Bonwick } 2935b24ab676SJeff Bonwick 29365cabbc6bSPrashanth Sreenivasa /* ARGSUSED */ 29375cabbc6bSPrashanth Sreenivasa static void 29385cabbc6bSPrashanth Sreenivasa claim_segment_impl_cb(uint64_t inner_offset, vdev_t *vd, uint64_t offset, 29395cabbc6bSPrashanth Sreenivasa uint64_t size, void *arg) 29405cabbc6bSPrashanth Sreenivasa { 29415cabbc6bSPrashanth Sreenivasa /* 29425cabbc6bSPrashanth Sreenivasa * This callback was called through a remap from 29435cabbc6bSPrashanth Sreenivasa * a device being removed. Therefore, the vdev that 29445cabbc6bSPrashanth Sreenivasa * this callback is applied to is a concrete 29455cabbc6bSPrashanth Sreenivasa * vdev. 29465cabbc6bSPrashanth Sreenivasa */ 29475cabbc6bSPrashanth Sreenivasa ASSERT(vdev_is_concrete(vd)); 29485cabbc6bSPrashanth Sreenivasa 29495cabbc6bSPrashanth Sreenivasa VERIFY0(metaslab_claim_impl(vd, offset, size, 2950*86714001SSerapheim Dimitropoulos spa_min_claim_txg(vd->vdev_spa))); 29515cabbc6bSPrashanth Sreenivasa } 29525cabbc6bSPrashanth Sreenivasa 29535cabbc6bSPrashanth Sreenivasa static void 29545cabbc6bSPrashanth Sreenivasa claim_segment_cb(void *arg, uint64_t offset, uint64_t size) 29555cabbc6bSPrashanth Sreenivasa { 29565cabbc6bSPrashanth Sreenivasa vdev_t *vd = arg; 29575cabbc6bSPrashanth Sreenivasa 29585cabbc6bSPrashanth Sreenivasa vdev_indirect_ops.vdev_op_remap(vd, offset, size, 29595cabbc6bSPrashanth Sreenivasa claim_segment_impl_cb, NULL); 29605cabbc6bSPrashanth Sreenivasa } 29615cabbc6bSPrashanth Sreenivasa 29625cabbc6bSPrashanth Sreenivasa /* 29635cabbc6bSPrashanth Sreenivasa * After accounting for all allocated blocks that are directly referenced, 29645cabbc6bSPrashanth Sreenivasa * we might have missed a reference to a block from a partially complete 29655cabbc6bSPrashanth Sreenivasa * (and thus unused) indirect mapping object. We perform a secondary pass 29665cabbc6bSPrashanth Sreenivasa * through the metaslabs we have already mapped and claim the destination 29675cabbc6bSPrashanth Sreenivasa * blocks. 29685cabbc6bSPrashanth Sreenivasa */ 29695cabbc6bSPrashanth Sreenivasa static void 29705cabbc6bSPrashanth Sreenivasa zdb_claim_removing(spa_t *spa, zdb_cb_t *zcb) 29715cabbc6bSPrashanth Sreenivasa { 29725cabbc6bSPrashanth Sreenivasa if (spa->spa_vdev_removal == NULL) 29735cabbc6bSPrashanth Sreenivasa return; 29745cabbc6bSPrashanth Sreenivasa 29755cabbc6bSPrashanth Sreenivasa spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 29765cabbc6bSPrashanth Sreenivasa 29775cabbc6bSPrashanth Sreenivasa spa_vdev_removal_t *svr = spa->spa_vdev_removal; 29785cabbc6bSPrashanth Sreenivasa vdev_t *vd = svr->svr_vdev; 29795cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping; 29805cabbc6bSPrashanth Sreenivasa 29815cabbc6bSPrashanth Sreenivasa for (uint64_t msi = 0; msi < vd->vdev_ms_count; msi++) { 29825cabbc6bSPrashanth Sreenivasa metaslab_t *msp = vd->vdev_ms[msi]; 29835cabbc6bSPrashanth Sreenivasa 29845cabbc6bSPrashanth Sreenivasa if (msp->ms_start >= vdev_indirect_mapping_max_offset(vim)) 29855cabbc6bSPrashanth Sreenivasa break; 29865cabbc6bSPrashanth Sreenivasa 29875cabbc6bSPrashanth Sreenivasa ASSERT0(range_tree_space(svr->svr_allocd_segs)); 29885cabbc6bSPrashanth Sreenivasa 29895cabbc6bSPrashanth Sreenivasa if (msp->ms_sm != NULL) { 29905cabbc6bSPrashanth Sreenivasa VERIFY0(space_map_load(msp->ms_sm, 29915cabbc6bSPrashanth Sreenivasa svr->svr_allocd_segs, SM_ALLOC)); 29925cabbc6bSPrashanth Sreenivasa 29935cabbc6bSPrashanth Sreenivasa /* 29945cabbc6bSPrashanth Sreenivasa * Clear everything past what has been synced, 29955cabbc6bSPrashanth Sreenivasa * because we have not allocated mappings for it yet. 29965cabbc6bSPrashanth Sreenivasa */ 29975cabbc6bSPrashanth Sreenivasa range_tree_clear(svr->svr_allocd_segs, 29985cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_max_offset(vim), 29995cabbc6bSPrashanth Sreenivasa msp->ms_sm->sm_start + msp->ms_sm->sm_size - 30005cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_max_offset(vim)); 30015cabbc6bSPrashanth Sreenivasa } 30025cabbc6bSPrashanth Sreenivasa 30035cabbc6bSPrashanth Sreenivasa zcb->zcb_removing_size += 30045cabbc6bSPrashanth Sreenivasa range_tree_space(svr->svr_allocd_segs); 30055cabbc6bSPrashanth Sreenivasa range_tree_vacate(svr->svr_allocd_segs, claim_segment_cb, vd); 30065cabbc6bSPrashanth Sreenivasa } 30075cabbc6bSPrashanth Sreenivasa 30085cabbc6bSPrashanth Sreenivasa spa_config_exit(spa, SCL_CONFIG, FTAG); 30095cabbc6bSPrashanth Sreenivasa } 30105cabbc6bSPrashanth Sreenivasa 30115cabbc6bSPrashanth Sreenivasa /* ARGSUSED */ 30125cabbc6bSPrashanth Sreenivasa static int 30135cabbc6bSPrashanth Sreenivasa increment_indirect_mapping_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 30145cabbc6bSPrashanth Sreenivasa { 30155cabbc6bSPrashanth Sreenivasa zdb_cb_t *zcb = arg; 30165cabbc6bSPrashanth Sreenivasa spa_t *spa = zcb->zcb_spa; 30175cabbc6bSPrashanth Sreenivasa vdev_t *vd; 30185cabbc6bSPrashanth Sreenivasa const dva_t *dva = &bp->blk_dva[0]; 30195cabbc6bSPrashanth Sreenivasa 30205cabbc6bSPrashanth Sreenivasa ASSERT(!dump_opt['L']); 30215cabbc6bSPrashanth Sreenivasa ASSERT3U(BP_GET_NDVAS(bp), ==, 1); 30225cabbc6bSPrashanth Sreenivasa 30235cabbc6bSPrashanth Sreenivasa spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 30245cabbc6bSPrashanth Sreenivasa vd = vdev_lookup_top(zcb->zcb_spa, DVA_GET_VDEV(dva)); 30255cabbc6bSPrashanth Sreenivasa ASSERT3P(vd, !=, NULL); 30265cabbc6bSPrashanth Sreenivasa spa_config_exit(spa, SCL_VDEV, FTAG); 30275cabbc6bSPrashanth Sreenivasa 30285cabbc6bSPrashanth Sreenivasa ASSERT(vd->vdev_indirect_config.vic_mapping_object != 0); 30295cabbc6bSPrashanth Sreenivasa ASSERT3P(zcb->zcb_vd_obsolete_counts[vd->vdev_id], !=, NULL); 30305cabbc6bSPrashanth Sreenivasa 30315cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_increment_obsolete_count( 30325cabbc6bSPrashanth Sreenivasa vd->vdev_indirect_mapping, 30335cabbc6bSPrashanth Sreenivasa DVA_GET_OFFSET(dva), DVA_GET_ASIZE(dva), 30345cabbc6bSPrashanth Sreenivasa zcb->zcb_vd_obsolete_counts[vd->vdev_id]); 30355cabbc6bSPrashanth Sreenivasa 30365cabbc6bSPrashanth Sreenivasa return (0); 30375cabbc6bSPrashanth Sreenivasa } 30385cabbc6bSPrashanth Sreenivasa 30395cabbc6bSPrashanth Sreenivasa static uint32_t * 30405cabbc6bSPrashanth Sreenivasa zdb_load_obsolete_counts(vdev_t *vd) 30415cabbc6bSPrashanth Sreenivasa { 30425cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping; 30435cabbc6bSPrashanth Sreenivasa spa_t *spa = vd->vdev_spa; 30445cabbc6bSPrashanth Sreenivasa spa_condensing_indirect_phys_t *scip = 30455cabbc6bSPrashanth Sreenivasa &spa->spa_condensing_indirect_phys; 30465cabbc6bSPrashanth Sreenivasa uint32_t *counts; 30475cabbc6bSPrashanth Sreenivasa 30485cabbc6bSPrashanth Sreenivasa EQUIV(vdev_obsolete_sm_object(vd) != 0, vd->vdev_obsolete_sm != NULL); 30495cabbc6bSPrashanth Sreenivasa counts = vdev_indirect_mapping_load_obsolete_counts(vim); 30505cabbc6bSPrashanth Sreenivasa if (vd->vdev_obsolete_sm != NULL) { 30515cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_load_obsolete_spacemap(vim, counts, 30525cabbc6bSPrashanth Sreenivasa vd->vdev_obsolete_sm); 30535cabbc6bSPrashanth Sreenivasa } 30545cabbc6bSPrashanth Sreenivasa if (scip->scip_vdev == vd->vdev_id && 30555cabbc6bSPrashanth Sreenivasa scip->scip_prev_obsolete_sm_object != 0) { 30565cabbc6bSPrashanth Sreenivasa space_map_t *prev_obsolete_sm = NULL; 30575cabbc6bSPrashanth Sreenivasa VERIFY0(space_map_open(&prev_obsolete_sm, spa->spa_meta_objset, 30585cabbc6bSPrashanth Sreenivasa scip->scip_prev_obsolete_sm_object, 0, vd->vdev_asize, 0)); 30595cabbc6bSPrashanth Sreenivasa space_map_update(prev_obsolete_sm); 30605cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_load_obsolete_spacemap(vim, counts, 30615cabbc6bSPrashanth Sreenivasa prev_obsolete_sm); 30625cabbc6bSPrashanth Sreenivasa space_map_close(prev_obsolete_sm); 30635cabbc6bSPrashanth Sreenivasa } 30645cabbc6bSPrashanth Sreenivasa return (counts); 30655cabbc6bSPrashanth Sreenivasa } 30665cabbc6bSPrashanth Sreenivasa 3067*86714001SSerapheim Dimitropoulos typedef struct checkpoint_sm_exclude_entry_arg { 3068*86714001SSerapheim Dimitropoulos vdev_t *cseea_vd; 3069*86714001SSerapheim Dimitropoulos uint64_t cseea_checkpoint_size; 3070*86714001SSerapheim Dimitropoulos } checkpoint_sm_exclude_entry_arg_t; 3071*86714001SSerapheim Dimitropoulos 3072*86714001SSerapheim Dimitropoulos static int 3073*86714001SSerapheim Dimitropoulos checkpoint_sm_exclude_entry_cb(maptype_t type, uint64_t offset, uint64_t size, 3074*86714001SSerapheim Dimitropoulos void *arg) 3075*86714001SSerapheim Dimitropoulos { 3076*86714001SSerapheim Dimitropoulos checkpoint_sm_exclude_entry_arg_t *cseea = arg; 3077*86714001SSerapheim Dimitropoulos vdev_t *vd = cseea->cseea_vd; 3078*86714001SSerapheim Dimitropoulos metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift]; 3079*86714001SSerapheim Dimitropoulos uint64_t end = offset + size; 3080*86714001SSerapheim Dimitropoulos 3081*86714001SSerapheim Dimitropoulos ASSERT(type == SM_FREE); 3082*86714001SSerapheim Dimitropoulos 3083*86714001SSerapheim Dimitropoulos /* 3084*86714001SSerapheim Dimitropoulos * Since the vdev_checkpoint_sm exists in the vdev level 3085*86714001SSerapheim Dimitropoulos * and the ms_sm space maps exist in the metaslab level, 3086*86714001SSerapheim Dimitropoulos * an entry in the checkpoint space map could theoretically 3087*86714001SSerapheim Dimitropoulos * cross the boundaries of the metaslab that it belongs. 3088*86714001SSerapheim Dimitropoulos * 3089*86714001SSerapheim Dimitropoulos * In reality, because of the way that we populate and 3090*86714001SSerapheim Dimitropoulos * manipulate the checkpoint's space maps currently, 3091*86714001SSerapheim Dimitropoulos * there shouldn't be any entries that cross metaslabs. 3092*86714001SSerapheim Dimitropoulos * Hence the assertion below. 3093*86714001SSerapheim Dimitropoulos * 3094*86714001SSerapheim Dimitropoulos * That said, there is no fundamental requirement that 3095*86714001SSerapheim Dimitropoulos * the checkpoint's space map entries should not cross 3096*86714001SSerapheim Dimitropoulos * metaslab boundaries. So if needed we could add code 3097*86714001SSerapheim Dimitropoulos * that handles metaslab-crossing segments in the future. 3098*86714001SSerapheim Dimitropoulos */ 3099*86714001SSerapheim Dimitropoulos VERIFY3U(offset, >=, ms->ms_start); 3100*86714001SSerapheim Dimitropoulos VERIFY3U(end, <=, ms->ms_start + ms->ms_size); 3101*86714001SSerapheim Dimitropoulos 3102*86714001SSerapheim Dimitropoulos /* 3103*86714001SSerapheim Dimitropoulos * By removing the entry from the allocated segments we 3104*86714001SSerapheim Dimitropoulos * also verify that the entry is there to begin with. 3105*86714001SSerapheim Dimitropoulos */ 3106*86714001SSerapheim Dimitropoulos mutex_enter(&ms->ms_lock); 3107*86714001SSerapheim Dimitropoulos range_tree_remove(ms->ms_allocatable, offset, size); 3108*86714001SSerapheim Dimitropoulos mutex_exit(&ms->ms_lock); 3109*86714001SSerapheim Dimitropoulos 3110*86714001SSerapheim Dimitropoulos cseea->cseea_checkpoint_size += size; 3111*86714001SSerapheim Dimitropoulos return (0); 3112*86714001SSerapheim Dimitropoulos } 3113*86714001SSerapheim Dimitropoulos 3114*86714001SSerapheim Dimitropoulos static void 3115*86714001SSerapheim Dimitropoulos zdb_leak_init_vdev_exclude_checkpoint(vdev_t *vd, zdb_cb_t *zcb) 3116*86714001SSerapheim Dimitropoulos { 3117*86714001SSerapheim Dimitropoulos spa_t *spa = vd->vdev_spa; 3118*86714001SSerapheim Dimitropoulos space_map_t *checkpoint_sm = NULL; 3119*86714001SSerapheim Dimitropoulos uint64_t checkpoint_sm_obj; 3120*86714001SSerapheim Dimitropoulos 3121*86714001SSerapheim Dimitropoulos /* 3122*86714001SSerapheim Dimitropoulos * If there is no vdev_top_zap, we are in a pool whose 3123*86714001SSerapheim Dimitropoulos * version predates the pool checkpoint feature. 3124*86714001SSerapheim Dimitropoulos */ 3125*86714001SSerapheim Dimitropoulos if (vd->vdev_top_zap == 0) 3126*86714001SSerapheim Dimitropoulos return; 3127*86714001SSerapheim Dimitropoulos 3128*86714001SSerapheim Dimitropoulos /* 3129*86714001SSerapheim Dimitropoulos * If there is no reference of the vdev_checkpoint_sm in 3130*86714001SSerapheim Dimitropoulos * the vdev_top_zap, then one of the following scenarios 3131*86714001SSerapheim Dimitropoulos * is true: 3132*86714001SSerapheim Dimitropoulos * 3133*86714001SSerapheim Dimitropoulos * 1] There is no checkpoint 3134*86714001SSerapheim Dimitropoulos * 2] There is a checkpoint, but no checkpointed blocks 3135*86714001SSerapheim Dimitropoulos * have been freed yet 3136*86714001SSerapheim Dimitropoulos * 3] The current vdev is indirect 3137*86714001SSerapheim Dimitropoulos * 3138*86714001SSerapheim Dimitropoulos * In these cases we return immediately. 3139*86714001SSerapheim Dimitropoulos */ 3140*86714001SSerapheim Dimitropoulos if (zap_contains(spa_meta_objset(spa), vd->vdev_top_zap, 3141*86714001SSerapheim Dimitropoulos VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0) 3142*86714001SSerapheim Dimitropoulos return; 3143*86714001SSerapheim Dimitropoulos 3144*86714001SSerapheim Dimitropoulos VERIFY0(zap_lookup(spa_meta_objset(spa), vd->vdev_top_zap, 3145*86714001SSerapheim Dimitropoulos VDEV_TOP_ZAP_POOL_CHECKPOINT_SM, sizeof (uint64_t), 1, 3146*86714001SSerapheim Dimitropoulos &checkpoint_sm_obj)); 3147*86714001SSerapheim Dimitropoulos 3148*86714001SSerapheim Dimitropoulos checkpoint_sm_exclude_entry_arg_t cseea; 3149*86714001SSerapheim Dimitropoulos cseea.cseea_vd = vd; 3150*86714001SSerapheim Dimitropoulos cseea.cseea_checkpoint_size = 0; 3151*86714001SSerapheim Dimitropoulos 3152*86714001SSerapheim Dimitropoulos VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(spa), 3153*86714001SSerapheim Dimitropoulos checkpoint_sm_obj, 0, vd->vdev_asize, vd->vdev_ashift)); 3154*86714001SSerapheim Dimitropoulos space_map_update(checkpoint_sm); 3155*86714001SSerapheim Dimitropoulos 3156*86714001SSerapheim Dimitropoulos VERIFY0(space_map_iterate(checkpoint_sm, 3157*86714001SSerapheim Dimitropoulos checkpoint_sm_exclude_entry_cb, &cseea)); 3158*86714001SSerapheim Dimitropoulos space_map_close(checkpoint_sm); 3159*86714001SSerapheim Dimitropoulos 3160*86714001SSerapheim Dimitropoulos zcb->zcb_checkpoint_size += cseea.cseea_checkpoint_size; 3161*86714001SSerapheim Dimitropoulos } 3162*86714001SSerapheim Dimitropoulos 3163*86714001SSerapheim Dimitropoulos static void 3164*86714001SSerapheim Dimitropoulos zdb_leak_init_exclude_checkpoint(spa_t *spa, zdb_cb_t *zcb) 3165*86714001SSerapheim Dimitropoulos { 3166*86714001SSerapheim Dimitropoulos vdev_t *rvd = spa->spa_root_vdev; 3167*86714001SSerapheim Dimitropoulos for (uint64_t c = 0; c < rvd->vdev_children; c++) { 3168*86714001SSerapheim Dimitropoulos ASSERT3U(c, ==, rvd->vdev_child[c]->vdev_id); 3169*86714001SSerapheim Dimitropoulos zdb_leak_init_vdev_exclude_checkpoint(rvd->vdev_child[c], zcb); 3170*86714001SSerapheim Dimitropoulos } 3171*86714001SSerapheim Dimitropoulos } 3172*86714001SSerapheim Dimitropoulos 3173*86714001SSerapheim Dimitropoulos static void 3174*86714001SSerapheim Dimitropoulos load_concrete_ms_allocatable_trees(spa_t *spa, maptype_t maptype) 3175*86714001SSerapheim Dimitropoulos { 3176*86714001SSerapheim Dimitropoulos vdev_t *rvd = spa->spa_root_vdev; 3177*86714001SSerapheim Dimitropoulos for (uint64_t i = 0; i < rvd->vdev_children; i++) { 3178*86714001SSerapheim Dimitropoulos vdev_t *vd = rvd->vdev_child[i]; 3179*86714001SSerapheim Dimitropoulos 3180*86714001SSerapheim Dimitropoulos ASSERT3U(i, ==, vd->vdev_id); 3181*86714001SSerapheim Dimitropoulos 3182*86714001SSerapheim Dimitropoulos if (vd->vdev_ops == &vdev_indirect_ops) 3183*86714001SSerapheim Dimitropoulos continue; 3184*86714001SSerapheim Dimitropoulos 3185*86714001SSerapheim Dimitropoulos for (uint64_t m = 0; m < vd->vdev_ms_count; m++) { 3186*86714001SSerapheim Dimitropoulos metaslab_t *msp = vd->vdev_ms[m]; 3187*86714001SSerapheim Dimitropoulos 3188*86714001SSerapheim Dimitropoulos (void) fprintf(stderr, 3189*86714001SSerapheim Dimitropoulos "\rloading concrete vdev %llu, " 3190*86714001SSerapheim Dimitropoulos "metaslab %llu of %llu ...", 3191*86714001SSerapheim Dimitropoulos (longlong_t)vd->vdev_id, 3192*86714001SSerapheim Dimitropoulos (longlong_t)msp->ms_id, 3193*86714001SSerapheim Dimitropoulos (longlong_t)vd->vdev_ms_count); 3194*86714001SSerapheim Dimitropoulos 3195*86714001SSerapheim Dimitropoulos mutex_enter(&msp->ms_lock); 3196*86714001SSerapheim Dimitropoulos metaslab_unload(msp); 3197*86714001SSerapheim Dimitropoulos 3198*86714001SSerapheim Dimitropoulos /* 3199*86714001SSerapheim Dimitropoulos * We don't want to spend the CPU manipulating the 3200*86714001SSerapheim Dimitropoulos * size-ordered tree, so clear the range_tree ops. 3201*86714001SSerapheim Dimitropoulos */ 3202*86714001SSerapheim Dimitropoulos msp->ms_allocatable->rt_ops = NULL; 3203*86714001SSerapheim Dimitropoulos 3204*86714001SSerapheim Dimitropoulos if (msp->ms_sm != NULL) { 3205*86714001SSerapheim Dimitropoulos VERIFY0(space_map_load(msp->ms_sm, 3206*86714001SSerapheim Dimitropoulos msp->ms_allocatable, maptype)); 3207*86714001SSerapheim Dimitropoulos } 3208*86714001SSerapheim Dimitropoulos if (!msp->ms_loaded) 3209*86714001SSerapheim Dimitropoulos msp->ms_loaded = B_TRUE; 3210*86714001SSerapheim Dimitropoulos mutex_exit(&msp->ms_lock); 3211*86714001SSerapheim Dimitropoulos } 3212*86714001SSerapheim Dimitropoulos } 3213*86714001SSerapheim Dimitropoulos } 3214*86714001SSerapheim Dimitropoulos 3215*86714001SSerapheim Dimitropoulos /* 3216*86714001SSerapheim Dimitropoulos * vm_idxp is an in-out parameter which (for indirect vdevs) is the 3217*86714001SSerapheim Dimitropoulos * index in vim_entries that has the first entry in this metaslab. 3218*86714001SSerapheim Dimitropoulos * On return, it will be set to the first entry after this metaslab. 3219*86714001SSerapheim Dimitropoulos */ 3220*86714001SSerapheim Dimitropoulos static void 3221*86714001SSerapheim Dimitropoulos load_indirect_ms_allocatable_tree(vdev_t *vd, metaslab_t *msp, 3222*86714001SSerapheim Dimitropoulos uint64_t *vim_idxp) 3223*86714001SSerapheim Dimitropoulos { 3224*86714001SSerapheim Dimitropoulos vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping; 3225*86714001SSerapheim Dimitropoulos 3226*86714001SSerapheim Dimitropoulos mutex_enter(&msp->ms_lock); 3227*86714001SSerapheim Dimitropoulos metaslab_unload(msp); 3228*86714001SSerapheim Dimitropoulos 3229*86714001SSerapheim Dimitropoulos /* 3230*86714001SSerapheim Dimitropoulos * We don't want to spend the CPU manipulating the 3231*86714001SSerapheim Dimitropoulos * size-ordered tree, so clear the range_tree ops. 3232*86714001SSerapheim Dimitropoulos */ 3233*86714001SSerapheim Dimitropoulos msp->ms_allocatable->rt_ops = NULL; 3234*86714001SSerapheim Dimitropoulos 3235*86714001SSerapheim Dimitropoulos for (; *vim_idxp < vdev_indirect_mapping_num_entries(vim); 3236*86714001SSerapheim Dimitropoulos (*vim_idxp)++) { 3237*86714001SSerapheim Dimitropoulos vdev_indirect_mapping_entry_phys_t *vimep = 3238*86714001SSerapheim Dimitropoulos &vim->vim_entries[*vim_idxp]; 3239*86714001SSerapheim Dimitropoulos uint64_t ent_offset = DVA_MAPPING_GET_SRC_OFFSET(vimep); 3240*86714001SSerapheim Dimitropoulos uint64_t ent_len = DVA_GET_ASIZE(&vimep->vimep_dst); 3241*86714001SSerapheim Dimitropoulos ASSERT3U(ent_offset, >=, msp->ms_start); 3242*86714001SSerapheim Dimitropoulos if (ent_offset >= msp->ms_start + msp->ms_size) 3243*86714001SSerapheim Dimitropoulos break; 3244*86714001SSerapheim Dimitropoulos 3245*86714001SSerapheim Dimitropoulos /* 3246*86714001SSerapheim Dimitropoulos * Mappings do not cross metaslab boundaries, 3247*86714001SSerapheim Dimitropoulos * because we create them by walking the metaslabs. 3248*86714001SSerapheim Dimitropoulos */ 3249*86714001SSerapheim Dimitropoulos ASSERT3U(ent_offset + ent_len, <=, 3250*86714001SSerapheim Dimitropoulos msp->ms_start + msp->ms_size); 3251*86714001SSerapheim Dimitropoulos range_tree_add(msp->ms_allocatable, ent_offset, ent_len); 3252*86714001SSerapheim Dimitropoulos } 3253*86714001SSerapheim Dimitropoulos 3254*86714001SSerapheim Dimitropoulos if (!msp->ms_loaded) 3255*86714001SSerapheim Dimitropoulos msp->ms_loaded = B_TRUE; 3256*86714001SSerapheim Dimitropoulos mutex_exit(&msp->ms_lock); 3257*86714001SSerapheim Dimitropoulos } 3258*86714001SSerapheim Dimitropoulos 3259*86714001SSerapheim Dimitropoulos static void 3260*86714001SSerapheim Dimitropoulos zdb_leak_init_prepare_indirect_vdevs(spa_t *spa, zdb_cb_t *zcb) 3261*86714001SSerapheim Dimitropoulos { 3262*86714001SSerapheim Dimitropoulos vdev_t *rvd = spa->spa_root_vdev; 3263*86714001SSerapheim Dimitropoulos for (uint64_t c = 0; c < rvd->vdev_children; c++) { 3264*86714001SSerapheim Dimitropoulos vdev_t *vd = rvd->vdev_child[c]; 3265*86714001SSerapheim Dimitropoulos 3266*86714001SSerapheim Dimitropoulos ASSERT3U(c, ==, vd->vdev_id); 3267*86714001SSerapheim Dimitropoulos 3268*86714001SSerapheim Dimitropoulos if (vd->vdev_ops != &vdev_indirect_ops) 3269*86714001SSerapheim Dimitropoulos continue; 3270*86714001SSerapheim Dimitropoulos 3271*86714001SSerapheim Dimitropoulos /* 3272*86714001SSerapheim Dimitropoulos * Note: we don't check for mapping leaks on 3273*86714001SSerapheim Dimitropoulos * removing vdevs because their ms_allocatable's 3274*86714001SSerapheim Dimitropoulos * are used to look for leaks in allocated space. 3275*86714001SSerapheim Dimitropoulos */ 3276*86714001SSerapheim Dimitropoulos zcb->zcb_vd_obsolete_counts[c] = zdb_load_obsolete_counts(vd); 3277*86714001SSerapheim Dimitropoulos 3278*86714001SSerapheim Dimitropoulos /* 3279*86714001SSerapheim Dimitropoulos * Normally, indirect vdevs don't have any 3280*86714001SSerapheim Dimitropoulos * metaslabs. We want to set them up for 3281*86714001SSerapheim Dimitropoulos * zio_claim(). 3282*86714001SSerapheim Dimitropoulos */ 3283*86714001SSerapheim Dimitropoulos VERIFY0(vdev_metaslab_init(vd, 0)); 3284*86714001SSerapheim Dimitropoulos 3285*86714001SSerapheim Dimitropoulos vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping; 3286*86714001SSerapheim Dimitropoulos uint64_t vim_idx = 0; 3287*86714001SSerapheim Dimitropoulos for (uint64_t m = 0; m < vd->vdev_ms_count; m++) { 3288*86714001SSerapheim Dimitropoulos 3289*86714001SSerapheim Dimitropoulos (void) fprintf(stderr, 3290*86714001SSerapheim Dimitropoulos "\rloading indirect vdev %llu, " 3291*86714001SSerapheim Dimitropoulos "metaslab %llu of %llu ...", 3292*86714001SSerapheim Dimitropoulos (longlong_t)vd->vdev_id, 3293*86714001SSerapheim Dimitropoulos (longlong_t)vd->vdev_ms[m]->ms_id, 3294*86714001SSerapheim Dimitropoulos (longlong_t)vd->vdev_ms_count); 3295*86714001SSerapheim Dimitropoulos 3296*86714001SSerapheim Dimitropoulos load_indirect_ms_allocatable_tree(vd, vd->vdev_ms[m], 3297*86714001SSerapheim Dimitropoulos &vim_idx); 3298*86714001SSerapheim Dimitropoulos } 3299*86714001SSerapheim Dimitropoulos ASSERT3U(vim_idx, ==, vdev_indirect_mapping_num_entries(vim)); 3300*86714001SSerapheim Dimitropoulos } 3301*86714001SSerapheim Dimitropoulos } 3302*86714001SSerapheim Dimitropoulos 3303b24ab676SJeff Bonwick static void 3304b24ab676SJeff Bonwick zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 3305b24ab676SJeff Bonwick { 3306cde58dbcSMatthew Ahrens zcb->zcb_spa = spa; 3307cde58dbcSMatthew Ahrens 3308b24ab676SJeff Bonwick if (!dump_opt['L']) { 33095cabbc6bSPrashanth Sreenivasa dsl_pool_t *dp = spa->spa_dsl_pool; 3310b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 33118363e80aSGeorge Wilson 33128363e80aSGeorge Wilson /* 33138363e80aSGeorge Wilson * We are going to be changing the meaning of the metaslab's 3314*86714001SSerapheim Dimitropoulos * ms_allocatable. Ensure that the allocator doesn't try to 33158363e80aSGeorge Wilson * use the tree. 33168363e80aSGeorge Wilson */ 33178363e80aSGeorge Wilson spa->spa_normal_class->mc_ops = &zdb_metaslab_ops; 33188363e80aSGeorge Wilson spa->spa_log_class->mc_ops = &zdb_metaslab_ops; 33198363e80aSGeorge Wilson 33205cabbc6bSPrashanth Sreenivasa zcb->zcb_vd_obsolete_counts = 33215cabbc6bSPrashanth Sreenivasa umem_zalloc(rvd->vdev_children * sizeof (uint32_t *), 33225cabbc6bSPrashanth Sreenivasa UMEM_NOFAIL); 33235cabbc6bSPrashanth Sreenivasa 3324*86714001SSerapheim Dimitropoulos /* 3325*86714001SSerapheim Dimitropoulos * For leak detection, we overload the ms_allocatable trees 3326*86714001SSerapheim Dimitropoulos * to contain allocated segments instead of free segments. 3327*86714001SSerapheim Dimitropoulos * As a result, we can't use the normal metaslab_load/unload 3328*86714001SSerapheim Dimitropoulos * interfaces. 3329*86714001SSerapheim Dimitropoulos */ 3330*86714001SSerapheim Dimitropoulos zdb_leak_init_prepare_indirect_vdevs(spa, zcb); 3331*86714001SSerapheim Dimitropoulos load_concrete_ms_allocatable_trees(spa, SM_ALLOC); 33325cabbc6bSPrashanth Sreenivasa 3333*86714001SSerapheim Dimitropoulos /* 3334*86714001SSerapheim Dimitropoulos * On load_concrete_ms_allocatable_trees() we loaded all the 3335*86714001SSerapheim Dimitropoulos * allocated entries from the ms_sm to the ms_allocatable for 3336*86714001SSerapheim Dimitropoulos * each metaslab. If the pool has a checkpoint or is in the 3337*86714001SSerapheim Dimitropoulos * middle of discarding a checkpoint, some of these blocks 3338*86714001SSerapheim Dimitropoulos * may have been freed but their ms_sm may not have been 3339*86714001SSerapheim Dimitropoulos * updated because they are referenced by the checkpoint. In 3340*86714001SSerapheim Dimitropoulos * order to avoid false-positives during leak-detection, we 3341*86714001SSerapheim Dimitropoulos * go through the vdev's checkpoint space map and exclude all 3342*86714001SSerapheim Dimitropoulos * its entries from their relevant ms_allocatable. 3343*86714001SSerapheim Dimitropoulos * 3344*86714001SSerapheim Dimitropoulos * We also aggregate the space held by the checkpoint and add 3345*86714001SSerapheim Dimitropoulos * it to zcb_checkpoint_size. 3346*86714001SSerapheim Dimitropoulos * 3347*86714001SSerapheim Dimitropoulos * Note that at this point we are also verifying that all the 3348*86714001SSerapheim Dimitropoulos * entries on the checkpoint_sm are marked as allocated in 3349*86714001SSerapheim Dimitropoulos * the ms_sm of their relevant metaslab. 3350*86714001SSerapheim Dimitropoulos * [see comment in checkpoint_sm_exclude_entry_cb()] 3351*86714001SSerapheim Dimitropoulos */ 3352*86714001SSerapheim Dimitropoulos zdb_leak_init_exclude_checkpoint(spa, zcb); 33535cabbc6bSPrashanth Sreenivasa 3354*86714001SSerapheim Dimitropoulos /* for cleaner progress output */ 335506be9802SMatthew Ahrens (void) fprintf(stderr, "\n"); 33565cabbc6bSPrashanth Sreenivasa 33575cabbc6bSPrashanth Sreenivasa if (bpobj_is_open(&dp->dp_obsolete_bpobj)) { 33585cabbc6bSPrashanth Sreenivasa ASSERT(spa_feature_is_enabled(spa, 33595cabbc6bSPrashanth Sreenivasa SPA_FEATURE_DEVICE_REMOVAL)); 33605cabbc6bSPrashanth Sreenivasa (void) bpobj_iterate_nofree(&dp->dp_obsolete_bpobj, 33615cabbc6bSPrashanth Sreenivasa increment_indirect_mapping_cb, zcb, NULL); 33625cabbc6bSPrashanth Sreenivasa } 3363*86714001SSerapheim Dimitropoulos } else { 3364*86714001SSerapheim Dimitropoulos /* 3365*86714001SSerapheim Dimitropoulos * If leak tracing is disabled, we still need to consider 3366*86714001SSerapheim Dimitropoulos * any checkpointed space in our space verification. 3367*86714001SSerapheim Dimitropoulos */ 3368*86714001SSerapheim Dimitropoulos zcb->zcb_checkpoint_size += spa_get_checkpoint_space(spa); 3369b24ab676SJeff Bonwick } 3370b24ab676SJeff Bonwick 3371b24ab676SJeff Bonwick spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 3372bbfd46c4SJeff Bonwick zdb_ddt_leak_init(spa, zcb); 3373b24ab676SJeff Bonwick spa_config_exit(spa, SCL_CONFIG, FTAG); 3374b24ab676SJeff Bonwick } 3375b24ab676SJeff Bonwick 33765cabbc6bSPrashanth Sreenivasa static boolean_t 33775cabbc6bSPrashanth Sreenivasa zdb_check_for_obsolete_leaks(vdev_t *vd, zdb_cb_t *zcb) 33785cabbc6bSPrashanth Sreenivasa { 33795cabbc6bSPrashanth Sreenivasa boolean_t leaks = B_FALSE; 33805cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping; 33815cabbc6bSPrashanth Sreenivasa uint64_t total_leaked = 0; 33825cabbc6bSPrashanth Sreenivasa 33835cabbc6bSPrashanth Sreenivasa ASSERT(vim != NULL); 33845cabbc6bSPrashanth Sreenivasa 33855cabbc6bSPrashanth Sreenivasa for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) { 33865cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_entry_phys_t *vimep = 33875cabbc6bSPrashanth Sreenivasa &vim->vim_entries[i]; 33885cabbc6bSPrashanth Sreenivasa uint64_t obsolete_bytes = 0; 33895cabbc6bSPrashanth Sreenivasa uint64_t offset = DVA_MAPPING_GET_SRC_OFFSET(vimep); 33905cabbc6bSPrashanth Sreenivasa metaslab_t *msp = vd->vdev_ms[offset >> vd->vdev_ms_shift]; 33915cabbc6bSPrashanth Sreenivasa 33925cabbc6bSPrashanth Sreenivasa /* 33935cabbc6bSPrashanth Sreenivasa * This is not very efficient but it's easy to 33945cabbc6bSPrashanth Sreenivasa * verify correctness. 33955cabbc6bSPrashanth Sreenivasa */ 33965cabbc6bSPrashanth Sreenivasa for (uint64_t inner_offset = 0; 33975cabbc6bSPrashanth Sreenivasa inner_offset < DVA_GET_ASIZE(&vimep->vimep_dst); 33985cabbc6bSPrashanth Sreenivasa inner_offset += 1 << vd->vdev_ashift) { 3399*86714001SSerapheim Dimitropoulos if (range_tree_contains(msp->ms_allocatable, 34005cabbc6bSPrashanth Sreenivasa offset + inner_offset, 1 << vd->vdev_ashift)) { 34015cabbc6bSPrashanth Sreenivasa obsolete_bytes += 1 << vd->vdev_ashift; 34025cabbc6bSPrashanth Sreenivasa } 34035cabbc6bSPrashanth Sreenivasa } 34045cabbc6bSPrashanth Sreenivasa 34055cabbc6bSPrashanth Sreenivasa int64_t bytes_leaked = obsolete_bytes - 34065cabbc6bSPrashanth Sreenivasa zcb->zcb_vd_obsolete_counts[vd->vdev_id][i]; 34075cabbc6bSPrashanth Sreenivasa ASSERT3U(DVA_GET_ASIZE(&vimep->vimep_dst), >=, 34085cabbc6bSPrashanth Sreenivasa zcb->zcb_vd_obsolete_counts[vd->vdev_id][i]); 34095cabbc6bSPrashanth Sreenivasa if (bytes_leaked != 0 && 34105cabbc6bSPrashanth Sreenivasa (vdev_obsolete_counts_are_precise(vd) || 34115cabbc6bSPrashanth Sreenivasa dump_opt['d'] >= 5)) { 34125cabbc6bSPrashanth Sreenivasa (void) printf("obsolete indirect mapping count " 34135cabbc6bSPrashanth Sreenivasa "mismatch on %llu:%llx:%llx : %llx bytes leaked\n", 34145cabbc6bSPrashanth Sreenivasa (u_longlong_t)vd->vdev_id, 34155cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep), 34165cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst), 34175cabbc6bSPrashanth Sreenivasa (u_longlong_t)bytes_leaked); 34185cabbc6bSPrashanth Sreenivasa } 34195cabbc6bSPrashanth Sreenivasa total_leaked += ABS(bytes_leaked); 34205cabbc6bSPrashanth Sreenivasa } 34215cabbc6bSPrashanth Sreenivasa 34225cabbc6bSPrashanth Sreenivasa if (!vdev_obsolete_counts_are_precise(vd) && total_leaked > 0) { 34235cabbc6bSPrashanth Sreenivasa int pct_leaked = total_leaked * 100 / 34245cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_bytes_mapped(vim); 34255cabbc6bSPrashanth Sreenivasa (void) printf("cannot verify obsolete indirect mapping " 34265cabbc6bSPrashanth Sreenivasa "counts of vdev %llu because precise feature was not " 34275cabbc6bSPrashanth Sreenivasa "enabled when it was removed: %d%% (%llx bytes) of mapping" 34285cabbc6bSPrashanth Sreenivasa "unreferenced\n", 34295cabbc6bSPrashanth Sreenivasa (u_longlong_t)vd->vdev_id, pct_leaked, 34305cabbc6bSPrashanth Sreenivasa (u_longlong_t)total_leaked); 34315cabbc6bSPrashanth Sreenivasa } else if (total_leaked > 0) { 34325cabbc6bSPrashanth Sreenivasa (void) printf("obsolete indirect mapping count mismatch " 34335cabbc6bSPrashanth Sreenivasa "for vdev %llu -- %llx total bytes mismatched\n", 34345cabbc6bSPrashanth Sreenivasa (u_longlong_t)vd->vdev_id, 34355cabbc6bSPrashanth Sreenivasa (u_longlong_t)total_leaked); 34365cabbc6bSPrashanth Sreenivasa leaks |= B_TRUE; 34375cabbc6bSPrashanth Sreenivasa } 34385cabbc6bSPrashanth Sreenivasa 34395cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_free_obsolete_counts(vim, 34405cabbc6bSPrashanth Sreenivasa zcb->zcb_vd_obsolete_counts[vd->vdev_id]); 34415cabbc6bSPrashanth Sreenivasa zcb->zcb_vd_obsolete_counts[vd->vdev_id] = NULL; 34425cabbc6bSPrashanth Sreenivasa 34435cabbc6bSPrashanth Sreenivasa return (leaks); 34445cabbc6bSPrashanth Sreenivasa } 34455cabbc6bSPrashanth Sreenivasa 34465cabbc6bSPrashanth Sreenivasa static boolean_t 34475cabbc6bSPrashanth Sreenivasa zdb_leak_fini(spa_t *spa, zdb_cb_t *zcb) 3448b24ab676SJeff Bonwick { 34495cabbc6bSPrashanth Sreenivasa boolean_t leaks = B_FALSE; 3450b24ab676SJeff Bonwick if (!dump_opt['L']) { 3451b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 34523f7978d0SAlan Somers for (unsigned c = 0; c < rvd->vdev_children; c++) { 3453b24ab676SJeff Bonwick vdev_t *vd = rvd->vdev_child[c]; 34548363e80aSGeorge Wilson metaslab_group_t *mg = vd->vdev_mg; 34555cabbc6bSPrashanth Sreenivasa 34565cabbc6bSPrashanth Sreenivasa if (zcb->zcb_vd_obsolete_counts[c] != NULL) { 34575cabbc6bSPrashanth Sreenivasa leaks |= zdb_check_for_obsolete_leaks(vd, zcb); 34585cabbc6bSPrashanth Sreenivasa } 34595cabbc6bSPrashanth Sreenivasa 34605cabbc6bSPrashanth Sreenivasa for (uint64_t m = 0; m < vd->vdev_ms_count; m++) { 3461b24ab676SJeff Bonwick metaslab_t *msp = vd->vdev_ms[m]; 34628363e80aSGeorge Wilson ASSERT3P(mg, ==, msp->ms_group); 34630713e232SGeorge Wilson 34640713e232SGeorge Wilson /* 3465*86714001SSerapheim Dimitropoulos * ms_allocatable has been overloaded 3466*86714001SSerapheim Dimitropoulos * to contain allocated segments. Now that 3467*86714001SSerapheim Dimitropoulos * we finished traversing all blocks, any 3468*86714001SSerapheim Dimitropoulos * block that remains in the ms_allocatable 34690713e232SGeorge Wilson * represents an allocated block that we 34700713e232SGeorge Wilson * did not claim during the traversal. 34710713e232SGeorge Wilson * Claimed blocks would have been removed 3472*86714001SSerapheim Dimitropoulos * from the ms_allocatable. For indirect 3473*86714001SSerapheim Dimitropoulos * vdevs, space remaining in the tree 3474*86714001SSerapheim Dimitropoulos * represents parts of the mapping that are 3475*86714001SSerapheim Dimitropoulos * not referenced, which is not a bug. 34760713e232SGeorge Wilson */ 34775cabbc6bSPrashanth Sreenivasa if (vd->vdev_ops == &vdev_indirect_ops) { 3478*86714001SSerapheim Dimitropoulos range_tree_vacate(msp->ms_allocatable, 34795cabbc6bSPrashanth Sreenivasa NULL, NULL); 34805cabbc6bSPrashanth Sreenivasa } else { 3481*86714001SSerapheim Dimitropoulos range_tree_vacate(msp->ms_allocatable, 34825cabbc6bSPrashanth Sreenivasa zdb_leak, vd); 34835cabbc6bSPrashanth Sreenivasa } 34848363e80aSGeorge Wilson 34858363e80aSGeorge Wilson if (msp->ms_loaded) { 34868363e80aSGeorge Wilson msp->ms_loaded = B_FALSE; 34878363e80aSGeorge Wilson } 3488b24ab676SJeff Bonwick } 3489b24ab676SJeff Bonwick } 34905cabbc6bSPrashanth Sreenivasa 34915cabbc6bSPrashanth Sreenivasa umem_free(zcb->zcb_vd_obsolete_counts, 34925cabbc6bSPrashanth Sreenivasa rvd->vdev_children * sizeof (uint32_t *)); 34935cabbc6bSPrashanth Sreenivasa zcb->zcb_vd_obsolete_counts = NULL; 3494b24ab676SJeff Bonwick } 34955cabbc6bSPrashanth Sreenivasa return (leaks); 3496b24ab676SJeff Bonwick } 3497b24ab676SJeff Bonwick 3498cde58dbcSMatthew Ahrens /* ARGSUSED */ 3499cde58dbcSMatthew Ahrens static int 3500cde58dbcSMatthew Ahrens count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 3501cde58dbcSMatthew Ahrens { 3502cde58dbcSMatthew Ahrens zdb_cb_t *zcb = arg; 3503cde58dbcSMatthew Ahrens 3504490d05b9SMatthew Ahrens if (dump_opt['b'] >= 5) { 3505cde58dbcSMatthew Ahrens char blkbuf[BP_SPRINTF_LEN]; 350643466aaeSMax Grossman snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 3507cde58dbcSMatthew Ahrens (void) printf("[%s] %s\n", 3508cde58dbcSMatthew Ahrens "deferred free", blkbuf); 3509cde58dbcSMatthew Ahrens } 3510cde58dbcSMatthew Ahrens zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 3511cde58dbcSMatthew Ahrens return (0); 3512cde58dbcSMatthew Ahrens } 3513cde58dbcSMatthew Ahrens 3514fa9e4066Sahrens static int 3515fa9e4066Sahrens dump_block_stats(spa_t *spa) 3516fa9e4066Sahrens { 35173f7978d0SAlan Somers zdb_cb_t zcb; 3518fa9e4066Sahrens zdb_blkstats_t *zb, *tzb; 3519b24ab676SJeff Bonwick uint64_t norm_alloc, norm_space, total_alloc, total_found; 3520cd088ea4SVictor Latushkin int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 35215d7b4d43SMatthew Ahrens boolean_t leaks = B_FALSE; 3522fa9e4066Sahrens 35233f7978d0SAlan Somers bzero(&zcb, sizeof (zcb)); 3524490d05b9SMatthew Ahrens (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n", 3525b24ab676SJeff Bonwick (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 3526b24ab676SJeff Bonwick (dump_opt['c'] == 1) ? "metadata " : "", 3527b24ab676SJeff Bonwick dump_opt['c'] ? "checksums " : "", 3528b24ab676SJeff Bonwick (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 3529b24ab676SJeff Bonwick !dump_opt['L'] ? "nothing leaked " : ""); 3530fa9e4066Sahrens 3531fa9e4066Sahrens /* 3532e14bb325SJeff Bonwick * Load all space maps as SM_ALLOC maps, then traverse the pool 3533e14bb325SJeff Bonwick * claiming each block we discover. If the pool is perfectly 3534e14bb325SJeff Bonwick * consistent, the space maps will be empty when we're done. 3535e14bb325SJeff Bonwick * Anything left over is a leak; any block we can't claim (because 3536e14bb325SJeff Bonwick * it's not part of any space map) is a double allocation, 3537e14bb325SJeff Bonwick * reference to a freed block, or an unclaimed log block. 3538fa9e4066Sahrens */ 3539b24ab676SJeff Bonwick zdb_leak_init(spa, &zcb); 3540fa9e4066Sahrens 3541fa9e4066Sahrens /* 3542fa9e4066Sahrens * If there's a deferred-free bplist, process that first. 3543fa9e4066Sahrens */ 3544cde58dbcSMatthew Ahrens (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 3545cde58dbcSMatthew Ahrens count_block_cb, &zcb, NULL); 35465cabbc6bSPrashanth Sreenivasa 35473b2aab18SMatthew Ahrens if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 35483b2aab18SMatthew Ahrens (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 35493b2aab18SMatthew Ahrens count_block_cb, &zcb, NULL); 35503b2aab18SMatthew Ahrens } 35515cabbc6bSPrashanth Sreenivasa 35525cabbc6bSPrashanth Sreenivasa zdb_claim_removing(spa, &zcb); 35535cabbc6bSPrashanth Sreenivasa 35542acef22dSMatthew Ahrens if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) { 3555b420f3adSRichard Lowe VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset, 3556ad135b5dSChristopher Siden spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb, 3557ad135b5dSChristopher Siden &zcb, NULL)); 3558ad135b5dSChristopher Siden } 3559fa9e4066Sahrens 3560bbfd46c4SJeff Bonwick if (dump_opt['c'] > 1) 3561bbfd46c4SJeff Bonwick flags |= TRAVERSE_PREFETCH_DATA; 3562bbfd46c4SJeff Bonwick 3563490d05b9SMatthew Ahrens zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa)); 3564490d05b9SMatthew Ahrens zcb.zcb_start = zcb.zcb_lastprint = gethrtime(); 3565bbfd46c4SJeff Bonwick zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 3566fa9e4066Sahrens 356731d7e8faSGeorge Wilson /* 356831d7e8faSGeorge Wilson * If we've traversed the data blocks then we need to wait for those 356931d7e8faSGeorge Wilson * I/Os to complete. We leverage "The Godfather" zio to wait on 357031d7e8faSGeorge Wilson * all async I/Os to complete. 357131d7e8faSGeorge Wilson */ 357231d7e8faSGeorge Wilson if (dump_opt['c']) { 35736f834bc1SMatthew Ahrens for (int i = 0; i < max_ncpus; i++) { 35746f834bc1SMatthew Ahrens (void) zio_wait(spa->spa_async_zio_root[i]); 35756f834bc1SMatthew Ahrens spa->spa_async_zio_root[i] = zio_root(spa, NULL, NULL, 35766f834bc1SMatthew Ahrens ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | 35776f834bc1SMatthew Ahrens ZIO_FLAG_GODFATHER); 35786f834bc1SMatthew Ahrens } 357931d7e8faSGeorge Wilson } 358031d7e8faSGeorge Wilson 3581b24ab676SJeff Bonwick if (zcb.zcb_haderrors) { 3582fa9e4066Sahrens (void) printf("\nError counts:\n\n"); 3583fa9e4066Sahrens (void) printf("\t%5s %s\n", "errno", "count"); 3584b24ab676SJeff Bonwick for (int e = 0; e < 256; e++) { 3585fa9e4066Sahrens if (zcb.zcb_errors[e] != 0) { 3586fa9e4066Sahrens (void) printf("\t%5d %llu\n", 3587fa9e4066Sahrens e, (u_longlong_t)zcb.zcb_errors[e]); 3588fa9e4066Sahrens } 3589fa9e4066Sahrens } 3590fa9e4066Sahrens } 3591fa9e4066Sahrens 3592fa9e4066Sahrens /* 3593fa9e4066Sahrens * Report any leaked segments. 3594fa9e4066Sahrens */ 35955cabbc6bSPrashanth Sreenivasa leaks |= zdb_leak_fini(spa, &zcb); 3596fa9e4066Sahrens 3597b24ab676SJeff Bonwick tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 35988654d025Sperrin 3599b24ab676SJeff Bonwick norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 3600b24ab676SJeff Bonwick norm_space = metaslab_class_get_space(spa_normal_class(spa)); 36018654d025Sperrin 3602b24ab676SJeff Bonwick total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 36035cabbc6bSPrashanth Sreenivasa total_found = tzb->zb_asize - zcb.zcb_dedup_asize + 3604*86714001SSerapheim Dimitropoulos zcb.zcb_removing_size + zcb.zcb_checkpoint_size; 3605fa9e4066Sahrens 3606b24ab676SJeff Bonwick if (total_found == total_alloc) { 360782a0a985SVictor Latushkin if (!dump_opt['L']) 360882a0a985SVictor Latushkin (void) printf("\n\tNo leaks (block sum matches space" 360982a0a985SVictor Latushkin " maps exactly)\n"); 3610fa9e4066Sahrens } else { 3611fa9e4066Sahrens (void) printf("block traversal size %llu != alloc %llu " 361282a0a985SVictor Latushkin "(%s %lld)\n", 3613b24ab676SJeff Bonwick (u_longlong_t)total_found, 3614b24ab676SJeff Bonwick (u_longlong_t)total_alloc, 361582a0a985SVictor Latushkin (dump_opt['L']) ? "unreachable" : "leaked", 3616b24ab676SJeff Bonwick (longlong_t)(total_alloc - total_found)); 36175d7b4d43SMatthew Ahrens leaks = B_TRUE; 3618fa9e4066Sahrens } 3619fa9e4066Sahrens 3620fa9e4066Sahrens if (tzb->zb_count == 0) 3621fa9e4066Sahrens return (2); 3622fa9e4066Sahrens 3623fa9e4066Sahrens (void) printf("\n"); 3624fa9e4066Sahrens (void) printf("\tbp count: %10llu\n", 3625fa9e4066Sahrens (u_longlong_t)tzb->zb_count); 3626d5ee8a13SMatthew Ahrens (void) printf("\tganged count: %10llu\n", 3627d5ee8a13SMatthew Ahrens (longlong_t)tzb->zb_gangs); 3628b24ab676SJeff Bonwick (void) printf("\tbp logical: %10llu avg: %6llu\n", 3629fa9e4066Sahrens (u_longlong_t)tzb->zb_lsize, 3630fa9e4066Sahrens (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 3631b24ab676SJeff Bonwick (void) printf("\tbp physical: %10llu avg:" 3632b24ab676SJeff Bonwick " %6llu compression: %6.2f\n", 3633fa9e4066Sahrens (u_longlong_t)tzb->zb_psize, 3634fa9e4066Sahrens (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 3635fa9e4066Sahrens (double)tzb->zb_lsize / tzb->zb_psize); 3636b24ab676SJeff Bonwick (void) printf("\tbp allocated: %10llu avg:" 3637b24ab676SJeff Bonwick " %6llu compression: %6.2f\n", 3638fa9e4066Sahrens (u_longlong_t)tzb->zb_asize, 3639fa9e4066Sahrens (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 3640fa9e4066Sahrens (double)tzb->zb_lsize / tzb->zb_asize); 3641b24ab676SJeff Bonwick (void) printf("\tbp deduped: %10llu ref>1:" 3642b24ab676SJeff Bonwick " %6llu deduplication: %6.2f\n", 3643b24ab676SJeff Bonwick (u_longlong_t)zcb.zcb_dedup_asize, 3644b24ab676SJeff Bonwick (u_longlong_t)zcb.zcb_dedup_blocks, 3645b24ab676SJeff Bonwick (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 3646b24ab676SJeff Bonwick (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 3647b24ab676SJeff Bonwick (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 3648fa9e4066Sahrens 36495d7b4d43SMatthew Ahrens for (bp_embedded_type_t i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) { 36505d7b4d43SMatthew Ahrens if (zcb.zcb_embedded_blocks[i] == 0) 36515d7b4d43SMatthew Ahrens continue; 36525d7b4d43SMatthew Ahrens (void) printf("\n"); 36535d7b4d43SMatthew Ahrens (void) printf("\tadditional, non-pointer bps of type %u: " 36545d7b4d43SMatthew Ahrens "%10llu\n", 36555d7b4d43SMatthew Ahrens i, (u_longlong_t)zcb.zcb_embedded_blocks[i]); 36565d7b4d43SMatthew Ahrens 36575d7b4d43SMatthew Ahrens if (dump_opt['b'] >= 3) { 36585d7b4d43SMatthew Ahrens (void) printf("\t number of (compressed) bytes: " 36595d7b4d43SMatthew Ahrens "number of bps\n"); 36605d7b4d43SMatthew Ahrens dump_histogram(zcb.zcb_embedded_histogram[i], 36615d7b4d43SMatthew Ahrens sizeof (zcb.zcb_embedded_histogram[i]) / 36625d7b4d43SMatthew Ahrens sizeof (zcb.zcb_embedded_histogram[i][0]), 0); 36635d7b4d43SMatthew Ahrens } 36645d7b4d43SMatthew Ahrens } 36655d7b4d43SMatthew Ahrens 3666d5ee8a13SMatthew Ahrens if (tzb->zb_ditto_samevdev != 0) { 3667d5ee8a13SMatthew Ahrens (void) printf("\tDittoed blocks on same vdev: %llu\n", 3668d5ee8a13SMatthew Ahrens (longlong_t)tzb->zb_ditto_samevdev); 3669d5ee8a13SMatthew Ahrens } 3670d5ee8a13SMatthew Ahrens 36715cabbc6bSPrashanth Sreenivasa for (uint64_t v = 0; v < spa->spa_root_vdev->vdev_children; v++) { 36725cabbc6bSPrashanth Sreenivasa vdev_t *vd = spa->spa_root_vdev->vdev_child[v]; 36735cabbc6bSPrashanth Sreenivasa vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping; 36745cabbc6bSPrashanth Sreenivasa 36755cabbc6bSPrashanth Sreenivasa if (vim == NULL) { 36765cabbc6bSPrashanth Sreenivasa continue; 36775cabbc6bSPrashanth Sreenivasa } 36785cabbc6bSPrashanth Sreenivasa 36795cabbc6bSPrashanth Sreenivasa char mem[32]; 36805cabbc6bSPrashanth Sreenivasa zdb_nicenum(vdev_indirect_mapping_num_entries(vim), 36815cabbc6bSPrashanth Sreenivasa mem, vdev_indirect_mapping_size(vim)); 36825cabbc6bSPrashanth Sreenivasa 36835cabbc6bSPrashanth Sreenivasa (void) printf("\tindirect vdev id %llu has %llu segments " 36845cabbc6bSPrashanth Sreenivasa "(%s in memory)\n", 36855cabbc6bSPrashanth Sreenivasa (longlong_t)vd->vdev_id, 36865cabbc6bSPrashanth Sreenivasa (longlong_t)vdev_indirect_mapping_num_entries(vim), mem); 36875cabbc6bSPrashanth Sreenivasa } 36885cabbc6bSPrashanth Sreenivasa 3689fa9e4066Sahrens if (dump_opt['b'] >= 2) { 3690fa9e4066Sahrens int l, t, level; 3691fa9e4066Sahrens (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 3692fa9e4066Sahrens "\t avg\t comp\t%%Total\tType\n"); 3693fa9e4066Sahrens 3694b24ab676SJeff Bonwick for (t = 0; t <= ZDB_OT_TOTAL; t++) { 36953f9d6ad7SLin Ling char csize[32], lsize[32], psize[32], asize[32]; 3696d5ee8a13SMatthew Ahrens char avg[32], gang[32]; 36973f7978d0SAlan Somers const char *typename; 3698fa9e4066Sahrens 36990a055120SJason King /* make sure nicenum has enough space */ 37000a055120SJason King CTASSERT(sizeof (csize) >= NN_NUMBUF_SZ); 37010a055120SJason King CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ); 37020a055120SJason King CTASSERT(sizeof (psize) >= NN_NUMBUF_SZ); 37030a055120SJason King CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ); 37040a055120SJason King CTASSERT(sizeof (avg) >= NN_NUMBUF_SZ); 37050a055120SJason King CTASSERT(sizeof (gang) >= NN_NUMBUF_SZ); 37060a055120SJason King 3707b24ab676SJeff Bonwick if (t < DMU_OT_NUMTYPES) 3708b24ab676SJeff Bonwick typename = dmu_ot[t].ot_name; 3709b24ab676SJeff Bonwick else 3710b24ab676SJeff Bonwick typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 3711fa9e4066Sahrens 3712fa9e4066Sahrens if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 3713fa9e4066Sahrens (void) printf("%6s\t%5s\t%5s\t%5s" 3714fa9e4066Sahrens "\t%5s\t%5s\t%6s\t%s\n", 3715fa9e4066Sahrens "-", 3716fa9e4066Sahrens "-", 3717fa9e4066Sahrens "-", 3718fa9e4066Sahrens "-", 3719fa9e4066Sahrens "-", 3720fa9e4066Sahrens "-", 3721fa9e4066Sahrens "-", 3722fa9e4066Sahrens typename); 3723fa9e4066Sahrens continue; 3724fa9e4066Sahrens } 3725fa9e4066Sahrens 3726fa9e4066Sahrens for (l = ZB_TOTAL - 1; l >= -1; l--) { 3727fa9e4066Sahrens level = (l == -1 ? ZB_TOTAL : l); 3728fa9e4066Sahrens zb = &zcb.zcb_type[level][t]; 3729fa9e4066Sahrens 3730fa9e4066Sahrens if (zb->zb_asize == 0) 3731fa9e4066Sahrens continue; 3732fa9e4066Sahrens 3733fa9e4066Sahrens if (dump_opt['b'] < 3 && level != ZB_TOTAL) 3734fa9e4066Sahrens continue; 3735fa9e4066Sahrens 3736fa9e4066Sahrens if (level == 0 && zb->zb_asize == 3737fa9e4066Sahrens zcb.zcb_type[ZB_TOTAL][t].zb_asize) 3738fa9e4066Sahrens continue; 3739fa9e4066Sahrens 37400a055120SJason King zdb_nicenum(zb->zb_count, csize, 37410a055120SJason King sizeof (csize)); 37420a055120SJason King zdb_nicenum(zb->zb_lsize, lsize, 37430a055120SJason King sizeof (lsize)); 37440a055120SJason King zdb_nicenum(zb->zb_psize, psize, 37450a055120SJason King sizeof (psize)); 37460a055120SJason King zdb_nicenum(zb->zb_asize, asize, 37470a055120SJason King sizeof (asize)); 37480a055120SJason King zdb_nicenum(zb->zb_asize / zb->zb_count, avg, 37490a055120SJason King sizeof (avg)); 37500a055120SJason King zdb_nicenum(zb->zb_gangs, gang, sizeof (gang)); 3751fa9e4066Sahrens 3752fa9e4066Sahrens (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 3753fa9e4066Sahrens "\t%5.2f\t%6.2f\t", 3754fa9e4066Sahrens csize, lsize, psize, asize, avg, 3755fa9e4066Sahrens (double)zb->zb_lsize / zb->zb_psize, 3756fa9e4066Sahrens 100.0 * zb->zb_asize / tzb->zb_asize); 3757fa9e4066Sahrens 3758fa9e4066Sahrens if (level == ZB_TOTAL) 3759fa9e4066Sahrens (void) printf("%s\n", typename); 3760fa9e4066Sahrens else 3761fa9e4066Sahrens (void) printf(" L%d %s\n", 3762fa9e4066Sahrens level, typename); 3763490d05b9SMatthew Ahrens 3764d5ee8a13SMatthew Ahrens if (dump_opt['b'] >= 3 && zb->zb_gangs > 0) { 3765d5ee8a13SMatthew Ahrens (void) printf("\t number of ganged " 3766d5ee8a13SMatthew Ahrens "blocks: %s\n", gang); 3767d5ee8a13SMatthew Ahrens } 3768d5ee8a13SMatthew Ahrens 3769490d05b9SMatthew Ahrens if (dump_opt['b'] >= 4) { 3770490d05b9SMatthew Ahrens (void) printf("psize " 3771490d05b9SMatthew Ahrens "(in 512-byte sectors): " 3772490d05b9SMatthew Ahrens "number of blocks\n"); 3773490d05b9SMatthew Ahrens dump_histogram(zb->zb_psize_histogram, 37740713e232SGeorge Wilson PSIZE_HISTO_SIZE, 0); 3775490d05b9SMatthew Ahrens } 3776fa9e4066Sahrens } 3777fa9e4066Sahrens } 3778fa9e4066Sahrens } 3779fa9e4066Sahrens 3780fa9e4066Sahrens (void) printf("\n"); 3781fa9e4066Sahrens 3782fa9e4066Sahrens if (leaks) 3783fa9e4066Sahrens return (2); 3784fa9e4066Sahrens 3785fa9e4066Sahrens if (zcb.zcb_haderrors) 3786fa9e4066Sahrens return (3); 3787fa9e4066Sahrens 3788fa9e4066Sahrens return (0); 3789fa9e4066Sahrens } 3790fa9e4066Sahrens 3791b24ab676SJeff Bonwick typedef struct zdb_ddt_entry { 3792b24ab676SJeff Bonwick ddt_key_t zdde_key; 3793b24ab676SJeff Bonwick uint64_t zdde_ref_blocks; 3794b24ab676SJeff Bonwick uint64_t zdde_ref_lsize; 3795b24ab676SJeff Bonwick uint64_t zdde_ref_psize; 3796b24ab676SJeff Bonwick uint64_t zdde_ref_dsize; 3797b24ab676SJeff Bonwick avl_node_t zdde_node; 3798b24ab676SJeff Bonwick } zdb_ddt_entry_t; 3799b24ab676SJeff Bonwick 3800b24ab676SJeff Bonwick /* ARGSUSED */ 3801b24ab676SJeff Bonwick static int 3802b24ab676SJeff Bonwick zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 38037802d7bfSMatthew Ahrens const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 3804b24ab676SJeff Bonwick { 3805b24ab676SJeff Bonwick avl_tree_t *t = arg; 3806b24ab676SJeff Bonwick avl_index_t where; 3807b24ab676SJeff Bonwick zdb_ddt_entry_t *zdde, zdde_search; 3808b24ab676SJeff Bonwick 3809a2cdcdd2SPaul Dagnelie if (bp == NULL || BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp)) 3810b24ab676SJeff Bonwick return (0); 3811b24ab676SJeff Bonwick 3812b24ab676SJeff Bonwick if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 3813b24ab676SJeff Bonwick (void) printf("traversing objset %llu, %llu objects, " 3814b24ab676SJeff Bonwick "%lu blocks so far\n", 3815b24ab676SJeff Bonwick (u_longlong_t)zb->zb_objset, 38165d7b4d43SMatthew Ahrens (u_longlong_t)BP_GET_FILL(bp), 3817b24ab676SJeff Bonwick avl_numnodes(t)); 3818b24ab676SJeff Bonwick } 3819b24ab676SJeff Bonwick 3820bbfd46c4SJeff Bonwick if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 3821ad135b5dSChristopher Siden BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) 3822b24ab676SJeff Bonwick return (0); 3823b24ab676SJeff Bonwick 3824b24ab676SJeff Bonwick ddt_key_fill(&zdde_search.zdde_key, bp); 3825b24ab676SJeff Bonwick 3826b24ab676SJeff Bonwick zdde = avl_find(t, &zdde_search, &where); 3827b24ab676SJeff Bonwick 3828b24ab676SJeff Bonwick if (zdde == NULL) { 3829b24ab676SJeff Bonwick zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 3830b24ab676SJeff Bonwick zdde->zdde_key = zdde_search.zdde_key; 3831b24ab676SJeff Bonwick avl_insert(t, zdde, where); 3832b24ab676SJeff Bonwick } 3833b24ab676SJeff Bonwick 3834b24ab676SJeff Bonwick zdde->zdde_ref_blocks += 1; 3835b24ab676SJeff Bonwick zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 3836b24ab676SJeff Bonwick zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 3837b24ab676SJeff Bonwick zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 3838b24ab676SJeff Bonwick 3839b24ab676SJeff Bonwick return (0); 3840b24ab676SJeff Bonwick } 3841b24ab676SJeff Bonwick 3842b24ab676SJeff Bonwick static void 3843b24ab676SJeff Bonwick dump_simulated_ddt(spa_t *spa) 3844b24ab676SJeff Bonwick { 3845b24ab676SJeff Bonwick avl_tree_t t; 3846b24ab676SJeff Bonwick void *cookie = NULL; 3847b24ab676SJeff Bonwick zdb_ddt_entry_t *zdde; 38483f7978d0SAlan Somers ddt_histogram_t ddh_total; 38493f7978d0SAlan Somers ddt_stat_t dds_total; 3850b24ab676SJeff Bonwick 38513f7978d0SAlan Somers bzero(&ddh_total, sizeof (ddh_total)); 38523f7978d0SAlan Somers bzero(&dds_total, sizeof (dds_total)); 3853b24ab676SJeff Bonwick avl_create(&t, ddt_entry_compare, 3854b24ab676SJeff Bonwick sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 3855b24ab676SJeff Bonwick 3856b24ab676SJeff Bonwick spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 3857b24ab676SJeff Bonwick 3858bbfd46c4SJeff Bonwick (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 3859bbfd46c4SJeff Bonwick zdb_ddt_add_cb, &t); 3860b24ab676SJeff Bonwick 3861b24ab676SJeff Bonwick spa_config_exit(spa, SCL_CONFIG, FTAG); 3862b24ab676SJeff Bonwick 3863b24ab676SJeff Bonwick while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 3864b24ab676SJeff Bonwick ddt_stat_t dds; 3865b24ab676SJeff Bonwick uint64_t refcnt = zdde->zdde_ref_blocks; 3866b24ab676SJeff Bonwick ASSERT(refcnt != 0); 3867b24ab676SJeff Bonwick 3868b24ab676SJeff Bonwick dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 3869b24ab676SJeff Bonwick dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 3870b24ab676SJeff Bonwick dds.dds_psize = zdde->zdde_ref_psize / refcnt; 3871b24ab676SJeff Bonwick dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 3872b24ab676SJeff Bonwick 3873b24ab676SJeff Bonwick dds.dds_ref_blocks = zdde->zdde_ref_blocks; 3874b24ab676SJeff Bonwick dds.dds_ref_lsize = zdde->zdde_ref_lsize; 3875b24ab676SJeff Bonwick dds.dds_ref_psize = zdde->zdde_ref_psize; 3876b24ab676SJeff Bonwick dds.dds_ref_dsize = zdde->zdde_ref_dsize; 3877b24ab676SJeff Bonwick 3878bf16b11eSMatthew Ahrens ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1], 3879bf16b11eSMatthew Ahrens &dds, 0); 3880b24ab676SJeff Bonwick 3881b24ab676SJeff Bonwick umem_free(zdde, sizeof (*zdde)); 3882b24ab676SJeff Bonwick } 3883b24ab676SJeff Bonwick 3884b24ab676SJeff Bonwick avl_destroy(&t); 3885b24ab676SJeff Bonwick 3886b24ab676SJeff Bonwick ddt_histogram_stat(&dds_total, &ddh_total); 3887b24ab676SJeff Bonwick 3888b24ab676SJeff Bonwick (void) printf("Simulated DDT histogram:\n"); 3889b24ab676SJeff Bonwick 38909eb19f4dSGeorge Wilson zpool_dump_ddt(&dds_total, &ddh_total); 3891b24ab676SJeff Bonwick 3892b24ab676SJeff Bonwick dump_dedup_ratio(&dds_total); 3893b24ab676SJeff Bonwick } 3894b24ab676SJeff Bonwick 38955cabbc6bSPrashanth Sreenivasa static int 38965cabbc6bSPrashanth Sreenivasa verify_device_removal_feature_counts(spa_t *spa) 38975cabbc6bSPrashanth Sreenivasa { 38985cabbc6bSPrashanth Sreenivasa uint64_t dr_feature_refcount = 0; 38995cabbc6bSPrashanth Sreenivasa uint64_t oc_feature_refcount = 0; 39005cabbc6bSPrashanth Sreenivasa uint64_t indirect_vdev_count = 0; 39015cabbc6bSPrashanth Sreenivasa uint64_t precise_vdev_count = 0; 39025cabbc6bSPrashanth Sreenivasa uint64_t obsolete_counts_object_count = 0; 39035cabbc6bSPrashanth Sreenivasa uint64_t obsolete_sm_count = 0; 39045cabbc6bSPrashanth Sreenivasa uint64_t obsolete_counts_count = 0; 39055cabbc6bSPrashanth Sreenivasa uint64_t scip_count = 0; 39065cabbc6bSPrashanth Sreenivasa uint64_t obsolete_bpobj_count = 0; 39075cabbc6bSPrashanth Sreenivasa int ret = 0; 39085cabbc6bSPrashanth Sreenivasa 39095cabbc6bSPrashanth Sreenivasa spa_condensing_indirect_phys_t *scip = 39105cabbc6bSPrashanth Sreenivasa &spa->spa_condensing_indirect_phys; 39115cabbc6bSPrashanth Sreenivasa if (scip->scip_next_mapping_object != 0) { 39125cabbc6bSPrashanth Sreenivasa vdev_t *vd = spa->spa_root_vdev->vdev_child[scip->scip_vdev]; 39135cabbc6bSPrashanth Sreenivasa ASSERT(scip->scip_prev_obsolete_sm_object != 0); 39145cabbc6bSPrashanth Sreenivasa ASSERT3P(vd->vdev_ops, ==, &vdev_indirect_ops); 39155cabbc6bSPrashanth Sreenivasa 39165cabbc6bSPrashanth Sreenivasa (void) printf("Condensing indirect vdev %llu: new mapping " 39175cabbc6bSPrashanth Sreenivasa "object %llu, prev obsolete sm %llu\n", 39185cabbc6bSPrashanth Sreenivasa (u_longlong_t)scip->scip_vdev, 39195cabbc6bSPrashanth Sreenivasa (u_longlong_t)scip->scip_next_mapping_object, 39205cabbc6bSPrashanth Sreenivasa (u_longlong_t)scip->scip_prev_obsolete_sm_object); 39215cabbc6bSPrashanth Sreenivasa if (scip->scip_prev_obsolete_sm_object != 0) { 39225cabbc6bSPrashanth Sreenivasa space_map_t *prev_obsolete_sm = NULL; 39235cabbc6bSPrashanth Sreenivasa VERIFY0(space_map_open(&prev_obsolete_sm, 39245cabbc6bSPrashanth Sreenivasa spa->spa_meta_objset, 39255cabbc6bSPrashanth Sreenivasa scip->scip_prev_obsolete_sm_object, 39265cabbc6bSPrashanth Sreenivasa 0, vd->vdev_asize, 0)); 39275cabbc6bSPrashanth Sreenivasa space_map_update(prev_obsolete_sm); 39285cabbc6bSPrashanth Sreenivasa dump_spacemap(spa->spa_meta_objset, prev_obsolete_sm); 39295cabbc6bSPrashanth Sreenivasa (void) printf("\n"); 39305cabbc6bSPrashanth Sreenivasa space_map_close(prev_obsolete_sm); 39315cabbc6bSPrashanth Sreenivasa } 39325cabbc6bSPrashanth Sreenivasa 39335cabbc6bSPrashanth Sreenivasa scip_count += 2; 39345cabbc6bSPrashanth Sreenivasa } 39355cabbc6bSPrashanth Sreenivasa 39365cabbc6bSPrashanth Sreenivasa for (uint64_t i = 0; i < spa->spa_root_vdev->vdev_children; i++) { 39375cabbc6bSPrashanth Sreenivasa vdev_t *vd = spa->spa_root_vdev->vdev_child[i]; 39385cabbc6bSPrashanth Sreenivasa vdev_indirect_config_t *vic = &vd->vdev_indirect_config; 39395cabbc6bSPrashanth Sreenivasa 39405cabbc6bSPrashanth Sreenivasa if (vic->vic_mapping_object != 0) { 39415cabbc6bSPrashanth Sreenivasa ASSERT(vd->vdev_ops == &vdev_indirect_ops || 39425cabbc6bSPrashanth Sreenivasa vd->vdev_removing); 39435cabbc6bSPrashanth Sreenivasa indirect_vdev_count++; 39445cabbc6bSPrashanth Sreenivasa 39455cabbc6bSPrashanth Sreenivasa if (vd->vdev_indirect_mapping->vim_havecounts) { 39465cabbc6bSPrashanth Sreenivasa obsolete_counts_count++; 39475cabbc6bSPrashanth Sreenivasa } 39485cabbc6bSPrashanth Sreenivasa } 39495cabbc6bSPrashanth Sreenivasa if (vdev_obsolete_counts_are_precise(vd)) { 39505cabbc6bSPrashanth Sreenivasa ASSERT(vic->vic_mapping_object != 0); 39515cabbc6bSPrashanth Sreenivasa precise_vdev_count++; 39525cabbc6bSPrashanth Sreenivasa } 39535cabbc6bSPrashanth Sreenivasa if (vdev_obsolete_sm_object(vd) != 0) { 39545cabbc6bSPrashanth Sreenivasa ASSERT(vic->vic_mapping_object != 0); 39555cabbc6bSPrashanth Sreenivasa obsolete_sm_count++; 39565cabbc6bSPrashanth Sreenivasa } 39575cabbc6bSPrashanth Sreenivasa } 39585cabbc6bSPrashanth Sreenivasa 39595cabbc6bSPrashanth Sreenivasa (void) feature_get_refcount(spa, 39605cabbc6bSPrashanth Sreenivasa &spa_feature_table[SPA_FEATURE_DEVICE_REMOVAL], 39615cabbc6bSPrashanth Sreenivasa &dr_feature_refcount); 39625cabbc6bSPrashanth Sreenivasa (void) feature_get_refcount(spa, 39635cabbc6bSPrashanth Sreenivasa &spa_feature_table[SPA_FEATURE_OBSOLETE_COUNTS], 39645cabbc6bSPrashanth Sreenivasa &oc_feature_refcount); 39655cabbc6bSPrashanth Sreenivasa 39665cabbc6bSPrashanth Sreenivasa if (dr_feature_refcount != indirect_vdev_count) { 39675cabbc6bSPrashanth Sreenivasa ret = 1; 39685cabbc6bSPrashanth Sreenivasa (void) printf("Number of indirect vdevs (%llu) " \ 39695cabbc6bSPrashanth Sreenivasa "does not match feature count (%llu)\n", 39705cabbc6bSPrashanth Sreenivasa (u_longlong_t)indirect_vdev_count, 39715cabbc6bSPrashanth Sreenivasa (u_longlong_t)dr_feature_refcount); 39725cabbc6bSPrashanth Sreenivasa } else { 39735cabbc6bSPrashanth Sreenivasa (void) printf("Verified device_removal feature refcount " \ 39745cabbc6bSPrashanth Sreenivasa "of %llu is correct\n", 39755cabbc6bSPrashanth Sreenivasa (u_longlong_t)dr_feature_refcount); 39765cabbc6bSPrashanth Sreenivasa } 39775cabbc6bSPrashanth Sreenivasa 39785cabbc6bSPrashanth Sreenivasa if (zap_contains(spa_meta_objset(spa), DMU_POOL_DIRECTORY_OBJECT, 39795cabbc6bSPrashanth Sreenivasa DMU_POOL_OBSOLETE_BPOBJ) == 0) { 39805cabbc6bSPrashanth Sreenivasa obsolete_bpobj_count++; 39815cabbc6bSPrashanth Sreenivasa } 39825cabbc6bSPrashanth Sreenivasa 39835cabbc6bSPrashanth Sreenivasa 39845cabbc6bSPrashanth Sreenivasa obsolete_counts_object_count = precise_vdev_count; 39855cabbc6bSPrashanth Sreenivasa obsolete_counts_object_count += obsolete_sm_count; 39865cabbc6bSPrashanth Sreenivasa obsolete_counts_object_count += obsolete_counts_count; 39875cabbc6bSPrashanth Sreenivasa obsolete_counts_object_count += scip_count; 39885cabbc6bSPrashanth Sreenivasa obsolete_counts_object_count += obsolete_bpobj_count; 39895cabbc6bSPrashanth Sreenivasa obsolete_counts_object_count += remap_deadlist_count; 39905cabbc6bSPrashanth Sreenivasa 39915cabbc6bSPrashanth Sreenivasa if (oc_feature_refcount != obsolete_counts_object_count) { 39925cabbc6bSPrashanth Sreenivasa ret = 1; 39935cabbc6bSPrashanth Sreenivasa (void) printf("Number of obsolete counts objects (%llu) " \ 39945cabbc6bSPrashanth Sreenivasa "does not match feature count (%llu)\n", 39955cabbc6bSPrashanth Sreenivasa (u_longlong_t)obsolete_counts_object_count, 39965cabbc6bSPrashanth Sreenivasa (u_longlong_t)oc_feature_refcount); 39975cabbc6bSPrashanth Sreenivasa (void) printf("pv:%llu os:%llu oc:%llu sc:%llu " 39985cabbc6bSPrashanth Sreenivasa "ob:%llu rd:%llu\n", 39995cabbc6bSPrashanth Sreenivasa (u_longlong_t)precise_vdev_count, 40005cabbc6bSPrashanth Sreenivasa (u_longlong_t)obsolete_sm_count, 40015cabbc6bSPrashanth Sreenivasa (u_longlong_t)obsolete_counts_count, 40025cabbc6bSPrashanth Sreenivasa (u_longlong_t)scip_count, 40035cabbc6bSPrashanth Sreenivasa (u_longlong_t)obsolete_bpobj_count, 40045cabbc6bSPrashanth Sreenivasa (u_longlong_t)remap_deadlist_count); 40055cabbc6bSPrashanth Sreenivasa } else { 40065cabbc6bSPrashanth Sreenivasa (void) printf("Verified indirect_refcount feature refcount " \ 40075cabbc6bSPrashanth Sreenivasa "of %llu is correct\n", 40085cabbc6bSPrashanth Sreenivasa (u_longlong_t)oc_feature_refcount); 40095cabbc6bSPrashanth Sreenivasa } 40105cabbc6bSPrashanth Sreenivasa return (ret); 40115cabbc6bSPrashanth Sreenivasa } 40125cabbc6bSPrashanth Sreenivasa 4013*86714001SSerapheim Dimitropoulos #define BOGUS_SUFFIX "_CHECKPOINTED_UNIVERSE" 4014*86714001SSerapheim Dimitropoulos /* 4015*86714001SSerapheim Dimitropoulos * Import the checkpointed state of the pool specified by the target 4016*86714001SSerapheim Dimitropoulos * parameter as readonly. The function also accepts a pool config 4017*86714001SSerapheim Dimitropoulos * as an optional parameter, else it attempts to infer the config by 4018*86714001SSerapheim Dimitropoulos * the name of the target pool. 4019*86714001SSerapheim Dimitropoulos * 4020*86714001SSerapheim Dimitropoulos * Note that the checkpointed state's pool name will be the name of 4021*86714001SSerapheim Dimitropoulos * the original pool with the above suffix appened to it. In addition, 4022*86714001SSerapheim Dimitropoulos * if the target is not a pool name (e.g. a path to a dataset) then 4023*86714001SSerapheim Dimitropoulos * the new_path parameter is populated with the updated path to 4024*86714001SSerapheim Dimitropoulos * reflect the fact that we are looking into the checkpointed state. 4025*86714001SSerapheim Dimitropoulos * 4026*86714001SSerapheim Dimitropoulos * The function returns a newly-allocated copy of the name of the 4027*86714001SSerapheim Dimitropoulos * pool containing the checkpointed state. When this copy is no 4028*86714001SSerapheim Dimitropoulos * longer needed it should be freed with free(3C). Same thing 4029*86714001SSerapheim Dimitropoulos * applies to the new_path parameter if allocated. 4030*86714001SSerapheim Dimitropoulos */ 4031*86714001SSerapheim Dimitropoulos static char * 4032*86714001SSerapheim Dimitropoulos import_checkpointed_state(char *target, nvlist_t *cfg, char **new_path) 4033*86714001SSerapheim Dimitropoulos { 4034*86714001SSerapheim Dimitropoulos int error = 0; 4035*86714001SSerapheim Dimitropoulos char *poolname, *bogus_name; 4036*86714001SSerapheim Dimitropoulos 4037*86714001SSerapheim Dimitropoulos /* If the target is not a pool, the extract the pool name */ 4038*86714001SSerapheim Dimitropoulos char *path_start = strchr(target, '/'); 4039*86714001SSerapheim Dimitropoulos if (path_start != NULL) { 4040*86714001SSerapheim Dimitropoulos size_t poolname_len = path_start - target; 4041*86714001SSerapheim Dimitropoulos poolname = strndup(target, poolname_len); 4042*86714001SSerapheim Dimitropoulos } else { 4043*86714001SSerapheim Dimitropoulos poolname = target; 4044*86714001SSerapheim Dimitropoulos } 4045*86714001SSerapheim Dimitropoulos 4046*86714001SSerapheim Dimitropoulos if (cfg == NULL) { 4047*86714001SSerapheim Dimitropoulos error = spa_get_stats(poolname, &cfg, NULL, 0); 4048*86714001SSerapheim Dimitropoulos if (error != 0) { 4049*86714001SSerapheim Dimitropoulos fatal("Tried to read config of pool \"%s\" but " 4050*86714001SSerapheim Dimitropoulos "spa_get_stats() failed with error %d\n", 4051*86714001SSerapheim Dimitropoulos poolname, error); 4052*86714001SSerapheim Dimitropoulos } 4053*86714001SSerapheim Dimitropoulos } 4054*86714001SSerapheim Dimitropoulos 4055*86714001SSerapheim Dimitropoulos (void) asprintf(&bogus_name, "%s%s", poolname, BOGUS_SUFFIX); 4056*86714001SSerapheim Dimitropoulos fnvlist_add_string(cfg, ZPOOL_CONFIG_POOL_NAME, bogus_name); 4057*86714001SSerapheim Dimitropoulos 4058*86714001SSerapheim Dimitropoulos error = spa_import(bogus_name, cfg, NULL, 4059*86714001SSerapheim Dimitropoulos ZFS_IMPORT_MISSING_LOG | ZFS_IMPORT_CHECKPOINT); 4060*86714001SSerapheim Dimitropoulos if (error != 0) { 4061*86714001SSerapheim Dimitropoulos fatal("Tried to import pool \"%s\" but spa_import() failed " 4062*86714001SSerapheim Dimitropoulos "with error %d\n", bogus_name, error); 4063*86714001SSerapheim Dimitropoulos } 4064*86714001SSerapheim Dimitropoulos 4065*86714001SSerapheim Dimitropoulos if (new_path != NULL && path_start != NULL) 4066*86714001SSerapheim Dimitropoulos (void) asprintf(new_path, "%s%s", bogus_name, path_start); 4067*86714001SSerapheim Dimitropoulos 4068*86714001SSerapheim Dimitropoulos if (target != poolname) 4069*86714001SSerapheim Dimitropoulos free(poolname); 4070*86714001SSerapheim Dimitropoulos 4071*86714001SSerapheim Dimitropoulos return (bogus_name); 4072*86714001SSerapheim Dimitropoulos } 4073*86714001SSerapheim Dimitropoulos 4074*86714001SSerapheim Dimitropoulos typedef struct verify_checkpoint_sm_entry_cb_arg { 4075*86714001SSerapheim Dimitropoulos vdev_t *vcsec_vd; 4076*86714001SSerapheim Dimitropoulos 4077*86714001SSerapheim Dimitropoulos /* the following fields are only used for printing progress */ 4078*86714001SSerapheim Dimitropoulos uint64_t vcsec_entryid; 4079*86714001SSerapheim Dimitropoulos uint64_t vcsec_num_entries; 4080*86714001SSerapheim Dimitropoulos } verify_checkpoint_sm_entry_cb_arg_t; 4081*86714001SSerapheim Dimitropoulos 4082*86714001SSerapheim Dimitropoulos #define ENTRIES_PER_PROGRESS_UPDATE 10000 4083*86714001SSerapheim Dimitropoulos 4084*86714001SSerapheim Dimitropoulos static int 4085*86714001SSerapheim Dimitropoulos verify_checkpoint_sm_entry_cb(maptype_t type, uint64_t offset, uint64_t size, 4086*86714001SSerapheim Dimitropoulos void *arg) 4087*86714001SSerapheim Dimitropoulos { 4088*86714001SSerapheim Dimitropoulos verify_checkpoint_sm_entry_cb_arg_t *vcsec = arg; 4089*86714001SSerapheim Dimitropoulos vdev_t *vd = vcsec->vcsec_vd; 4090*86714001SSerapheim Dimitropoulos metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift]; 4091*86714001SSerapheim Dimitropoulos uint64_t end = offset + size; 4092*86714001SSerapheim Dimitropoulos 4093*86714001SSerapheim Dimitropoulos ASSERT(type == SM_FREE); 4094*86714001SSerapheim Dimitropoulos 4095*86714001SSerapheim Dimitropoulos if ((vcsec->vcsec_entryid % ENTRIES_PER_PROGRESS_UPDATE) == 0) { 4096*86714001SSerapheim Dimitropoulos (void) fprintf(stderr, 4097*86714001SSerapheim Dimitropoulos "\rverifying vdev %llu, space map entry %llu of %llu ...", 4098*86714001SSerapheim Dimitropoulos (longlong_t)vd->vdev_id, 4099*86714001SSerapheim Dimitropoulos (longlong_t)vcsec->vcsec_entryid, 4100*86714001SSerapheim Dimitropoulos (longlong_t)vcsec->vcsec_num_entries); 4101*86714001SSerapheim Dimitropoulos } 4102*86714001SSerapheim Dimitropoulos vcsec->vcsec_entryid++; 4103*86714001SSerapheim Dimitropoulos 4104*86714001SSerapheim Dimitropoulos /* 4105*86714001SSerapheim Dimitropoulos * See comment in checkpoint_sm_exclude_entry_cb() 4106*86714001SSerapheim Dimitropoulos */ 4107*86714001SSerapheim Dimitropoulos VERIFY3U(offset, >=, ms->ms_start); 4108*86714001SSerapheim Dimitropoulos VERIFY3U(end, <=, ms->ms_start + ms->ms_size); 4109*86714001SSerapheim Dimitropoulos 4110*86714001SSerapheim Dimitropoulos /* 4111*86714001SSerapheim Dimitropoulos * The entries in the vdev_checkpoint_sm should be marked as 4112*86714001SSerapheim Dimitropoulos * allocated in the checkpointed state of the pool, therefore 4113*86714001SSerapheim Dimitropoulos * their respective ms_allocateable trees should not contain them. 4114*86714001SSerapheim Dimitropoulos */ 4115*86714001SSerapheim Dimitropoulos mutex_enter(&ms->ms_lock); 4116*86714001SSerapheim Dimitropoulos range_tree_verify(ms->ms_allocatable, offset, size); 4117*86714001SSerapheim Dimitropoulos mutex_exit(&ms->ms_lock); 4118*86714001SSerapheim Dimitropoulos 4119*86714001SSerapheim Dimitropoulos return (0); 4120*86714001SSerapheim Dimitropoulos } 4121*86714001SSerapheim Dimitropoulos 4122*86714001SSerapheim Dimitropoulos /* 4123*86714001SSerapheim Dimitropoulos * Verify that all segments in the vdev_checkpoint_sm are allocated 4124*86714001SSerapheim Dimitropoulos * according to the checkpoint's ms_sm (i.e. are not in the checkpoint's 4125*86714001SSerapheim Dimitropoulos * ms_allocatable). 4126*86714001SSerapheim Dimitropoulos * 4127*86714001SSerapheim Dimitropoulos * Do so by comparing the checkpoint space maps (vdev_checkpoint_sm) of 4128*86714001SSerapheim Dimitropoulos * each vdev in the current state of the pool to the metaslab space maps 4129*86714001SSerapheim Dimitropoulos * (ms_sm) of the checkpointed state of the pool. 4130*86714001SSerapheim Dimitropoulos * 4131*86714001SSerapheim Dimitropoulos * Note that the function changes the state of the ms_allocatable 4132*86714001SSerapheim Dimitropoulos * trees of the current spa_t. The entries of these ms_allocatable 4133*86714001SSerapheim Dimitropoulos * trees are cleared out and then repopulated from with the free 4134*86714001SSerapheim Dimitropoulos * entries of their respective ms_sm space maps. 4135*86714001SSerapheim Dimitropoulos */ 4136*86714001SSerapheim Dimitropoulos static void 4137*86714001SSerapheim Dimitropoulos verify_checkpoint_vdev_spacemaps(spa_t *checkpoint, spa_t *current) 4138*86714001SSerapheim Dimitropoulos { 4139*86714001SSerapheim Dimitropoulos vdev_t *ckpoint_rvd = checkpoint->spa_root_vdev; 4140*86714001SSerapheim Dimitropoulos vdev_t *current_rvd = current->spa_root_vdev; 4141*86714001SSerapheim Dimitropoulos 4142*86714001SSerapheim Dimitropoulos load_concrete_ms_allocatable_trees(checkpoint, SM_FREE); 4143*86714001SSerapheim Dimitropoulos 4144*86714001SSerapheim Dimitropoulos for (uint64_t c = 0; c < ckpoint_rvd->vdev_children; c++) { 4145*86714001SSerapheim Dimitropoulos vdev_t *ckpoint_vd = ckpoint_rvd->vdev_child[c]; 4146*86714001SSerapheim Dimitropoulos vdev_t *current_vd = current_rvd->vdev_child[c]; 4147*86714001SSerapheim Dimitropoulos 4148*86714001SSerapheim Dimitropoulos space_map_t *checkpoint_sm = NULL; 4149*86714001SSerapheim Dimitropoulos uint64_t checkpoint_sm_obj; 4150*86714001SSerapheim Dimitropoulos 4151*86714001SSerapheim Dimitropoulos if (ckpoint_vd->vdev_ops == &vdev_indirect_ops) { 4152*86714001SSerapheim Dimitropoulos /* 4153*86714001SSerapheim Dimitropoulos * Since we don't allow device removal in a pool 4154*86714001SSerapheim Dimitropoulos * that has a checkpoint, we expect that all removed 4155*86714001SSerapheim Dimitropoulos * vdevs were removed from the pool before the 4156*86714001SSerapheim Dimitropoulos * checkpoint. 4157*86714001SSerapheim Dimitropoulos */ 4158*86714001SSerapheim Dimitropoulos ASSERT3P(current_vd->vdev_ops, ==, &vdev_indirect_ops); 4159*86714001SSerapheim Dimitropoulos continue; 4160*86714001SSerapheim Dimitropoulos } 4161*86714001SSerapheim Dimitropoulos 4162*86714001SSerapheim Dimitropoulos /* 4163*86714001SSerapheim Dimitropoulos * If the checkpoint space map doesn't exist, then nothing 4164*86714001SSerapheim Dimitropoulos * here is checkpointed so there's nothing to verify. 4165*86714001SSerapheim Dimitropoulos */ 4166*86714001SSerapheim Dimitropoulos if (current_vd->vdev_top_zap == 0 || 4167*86714001SSerapheim Dimitropoulos zap_contains(spa_meta_objset(current), 4168*86714001SSerapheim Dimitropoulos current_vd->vdev_top_zap, 4169*86714001SSerapheim Dimitropoulos VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0) 4170*86714001SSerapheim Dimitropoulos continue; 4171*86714001SSerapheim Dimitropoulos 4172*86714001SSerapheim Dimitropoulos VERIFY0(zap_lookup(spa_meta_objset(current), 4173*86714001SSerapheim Dimitropoulos current_vd->vdev_top_zap, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM, 4174*86714001SSerapheim Dimitropoulos sizeof (uint64_t), 1, &checkpoint_sm_obj)); 4175*86714001SSerapheim Dimitropoulos 4176*86714001SSerapheim Dimitropoulos VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(current), 4177*86714001SSerapheim Dimitropoulos checkpoint_sm_obj, 0, current_vd->vdev_asize, 4178*86714001SSerapheim Dimitropoulos current_vd->vdev_ashift)); 4179*86714001SSerapheim Dimitropoulos space_map_update(checkpoint_sm); 4180*86714001SSerapheim Dimitropoulos 4181*86714001SSerapheim Dimitropoulos verify_checkpoint_sm_entry_cb_arg_t vcsec; 4182*86714001SSerapheim Dimitropoulos vcsec.vcsec_vd = ckpoint_vd; 4183*86714001SSerapheim Dimitropoulos vcsec.vcsec_entryid = 0; 4184*86714001SSerapheim Dimitropoulos vcsec.vcsec_num_entries = 4185*86714001SSerapheim Dimitropoulos space_map_length(checkpoint_sm) / sizeof (uint64_t); 4186*86714001SSerapheim Dimitropoulos VERIFY0(space_map_iterate(checkpoint_sm, 4187*86714001SSerapheim Dimitropoulos verify_checkpoint_sm_entry_cb, &vcsec)); 4188*86714001SSerapheim Dimitropoulos dump_spacemap(current->spa_meta_objset, checkpoint_sm); 4189*86714001SSerapheim Dimitropoulos space_map_close(checkpoint_sm); 4190*86714001SSerapheim Dimitropoulos } 4191*86714001SSerapheim Dimitropoulos 4192*86714001SSerapheim Dimitropoulos /* 4193*86714001SSerapheim Dimitropoulos * If we've added vdevs since we took the checkpoint, ensure 4194*86714001SSerapheim Dimitropoulos * that their checkpoint space maps are empty. 4195*86714001SSerapheim Dimitropoulos */ 4196*86714001SSerapheim Dimitropoulos if (ckpoint_rvd->vdev_children < current_rvd->vdev_children) { 4197*86714001SSerapheim Dimitropoulos for (uint64_t c = ckpoint_rvd->vdev_children; 4198*86714001SSerapheim Dimitropoulos c < current_rvd->vdev_children; c++) { 4199*86714001SSerapheim Dimitropoulos vdev_t *current_vd = current_rvd->vdev_child[c]; 4200*86714001SSerapheim Dimitropoulos ASSERT3P(current_vd->vdev_checkpoint_sm, ==, NULL); 4201*86714001SSerapheim Dimitropoulos } 4202*86714001SSerapheim Dimitropoulos } 4203*86714001SSerapheim Dimitropoulos 4204*86714001SSerapheim Dimitropoulos /* for cleaner progress output */ 4205*86714001SSerapheim Dimitropoulos (void) fprintf(stderr, "\n"); 4206*86714001SSerapheim Dimitropoulos } 4207*86714001SSerapheim Dimitropoulos 4208*86714001SSerapheim Dimitropoulos /* 4209*86714001SSerapheim Dimitropoulos * Verifies that all space that's allocated in the checkpoint is 4210*86714001SSerapheim Dimitropoulos * still allocated in the current version, by checking that everything 4211*86714001SSerapheim Dimitropoulos * in checkpoint's ms_allocatable (which is actually allocated, not 4212*86714001SSerapheim Dimitropoulos * allocatable/free) is not present in current's ms_allocatable. 4213*86714001SSerapheim Dimitropoulos * 4214*86714001SSerapheim Dimitropoulos * Note that the function changes the state of the ms_allocatable 4215*86714001SSerapheim Dimitropoulos * trees of both spas when called. The entries of all ms_allocatable 4216*86714001SSerapheim Dimitropoulos * trees are cleared out and then repopulated from their respective 4217*86714001SSerapheim Dimitropoulos * ms_sm space maps. In the checkpointed state we load the allocated 4218*86714001SSerapheim Dimitropoulos * entries, and in the current state we load the free entries. 4219*86714001SSerapheim Dimitropoulos */ 4220*86714001SSerapheim Dimitropoulos static void 4221*86714001SSerapheim Dimitropoulos verify_checkpoint_ms_spacemaps(spa_t *checkpoint, spa_t *current) 4222*86714001SSerapheim Dimitropoulos { 4223*86714001SSerapheim Dimitropoulos vdev_t *ckpoint_rvd = checkpoint->spa_root_vdev; 4224*86714001SSerapheim Dimitropoulos vdev_t *current_rvd = current->spa_root_vdev; 4225*86714001SSerapheim Dimitropoulos 4226*86714001SSerapheim Dimitropoulos load_concrete_ms_allocatable_trees(checkpoint, SM_ALLOC); 4227*86714001SSerapheim Dimitropoulos load_concrete_ms_allocatable_trees(current, SM_FREE); 4228*86714001SSerapheim Dimitropoulos 4229*86714001SSerapheim Dimitropoulos for (uint64_t i = 0; i < ckpoint_rvd->vdev_children; i++) { 4230*86714001SSerapheim Dimitropoulos vdev_t *ckpoint_vd = ckpoint_rvd->vdev_child[i]; 4231*86714001SSerapheim Dimitropoulos vdev_t *current_vd = current_rvd->vdev_child[i]; 4232*86714001SSerapheim Dimitropoulos 4233*86714001SSerapheim Dimitropoulos if (ckpoint_vd->vdev_ops == &vdev_indirect_ops) { 4234*86714001SSerapheim Dimitropoulos /* 4235*86714001SSerapheim Dimitropoulos * See comment in verify_checkpoint_vdev_spacemaps() 4236*86714001SSerapheim Dimitropoulos */ 4237*86714001SSerapheim Dimitropoulos ASSERT3P(current_vd->vdev_ops, ==, &vdev_indirect_ops); 4238*86714001SSerapheim Dimitropoulos continue; 4239*86714001SSerapheim Dimitropoulos } 4240*86714001SSerapheim Dimitropoulos 4241*86714001SSerapheim Dimitropoulos for (uint64_t m = 0; m < ckpoint_vd->vdev_ms_count; m++) { 4242*86714001SSerapheim Dimitropoulos metaslab_t *ckpoint_msp = ckpoint_vd->vdev_ms[m]; 4243*86714001SSerapheim Dimitropoulos metaslab_t *current_msp = current_vd->vdev_ms[m]; 4244*86714001SSerapheim Dimitropoulos 4245*86714001SSerapheim Dimitropoulos (void) fprintf(stderr, 4246*86714001SSerapheim Dimitropoulos "\rverifying vdev %llu of %llu, " 4247*86714001SSerapheim Dimitropoulos "metaslab %llu of %llu ...", 4248*86714001SSerapheim Dimitropoulos (longlong_t)current_vd->vdev_id, 4249*86714001SSerapheim Dimitropoulos (longlong_t)current_rvd->vdev_children, 4250*86714001SSerapheim Dimitropoulos (longlong_t)current_vd->vdev_ms[m]->ms_id, 4251*86714001SSerapheim Dimitropoulos (longlong_t)current_vd->vdev_ms_count); 4252*86714001SSerapheim Dimitropoulos 4253*86714001SSerapheim Dimitropoulos /* 4254*86714001SSerapheim Dimitropoulos * We walk through the ms_allocatable trees that 4255*86714001SSerapheim Dimitropoulos * are loaded with the allocated blocks from the 4256*86714001SSerapheim Dimitropoulos * ms_sm spacemaps of the checkpoint. For each 4257*86714001SSerapheim Dimitropoulos * one of these ranges we ensure that none of them 4258*86714001SSerapheim Dimitropoulos * exists in the ms_allocatable trees of the 4259*86714001SSerapheim Dimitropoulos * current state which are loaded with the ranges 4260*86714001SSerapheim Dimitropoulos * that are currently free. 4261*86714001SSerapheim Dimitropoulos * 4262*86714001SSerapheim Dimitropoulos * This way we ensure that none of the blocks that 4263*86714001SSerapheim Dimitropoulos * are part of the checkpoint were freed by mistake. 4264*86714001SSerapheim Dimitropoulos */ 4265*86714001SSerapheim Dimitropoulos range_tree_walk(ckpoint_msp->ms_allocatable, 4266*86714001SSerapheim Dimitropoulos (range_tree_func_t *)range_tree_verify, 4267*86714001SSerapheim Dimitropoulos current_msp->ms_allocatable); 4268*86714001SSerapheim Dimitropoulos } 4269*86714001SSerapheim Dimitropoulos } 4270*86714001SSerapheim Dimitropoulos 4271*86714001SSerapheim Dimitropoulos /* for cleaner progress output */ 4272*86714001SSerapheim Dimitropoulos (void) fprintf(stderr, "\n"); 4273*86714001SSerapheim Dimitropoulos } 4274*86714001SSerapheim Dimitropoulos 4275*86714001SSerapheim Dimitropoulos static void 4276*86714001SSerapheim Dimitropoulos verify_checkpoint_blocks(spa_t *spa) 4277*86714001SSerapheim Dimitropoulos { 4278*86714001SSerapheim Dimitropoulos spa_t *checkpoint_spa; 4279*86714001SSerapheim Dimitropoulos char *checkpoint_pool; 4280*86714001SSerapheim Dimitropoulos nvlist_t *config = NULL; 4281*86714001SSerapheim Dimitropoulos int error = 0; 4282*86714001SSerapheim Dimitropoulos 4283*86714001SSerapheim Dimitropoulos /* 4284*86714001SSerapheim Dimitropoulos * We import the checkpointed state of the pool (under a different 4285*86714001SSerapheim Dimitropoulos * name) so we can do verification on it against the current state 4286*86714001SSerapheim Dimitropoulos * of the pool. 4287*86714001SSerapheim Dimitropoulos */ 4288*86714001SSerapheim Dimitropoulos checkpoint_pool = import_checkpointed_state(spa->spa_name, config, 4289*86714001SSerapheim Dimitropoulos NULL); 4290*86714001SSerapheim Dimitropoulos ASSERT(strcmp(spa->spa_name, checkpoint_pool) != 0); 4291*86714001SSerapheim Dimitropoulos 4292*86714001SSerapheim Dimitropoulos error = spa_open(checkpoint_pool, &checkpoint_spa, FTAG); 4293*86714001SSerapheim Dimitropoulos if (error != 0) { 4294*86714001SSerapheim Dimitropoulos fatal("Tried to open pool \"%s\" but spa_open() failed with " 4295*86714001SSerapheim Dimitropoulos "error %d\n", checkpoint_pool, error); 4296*86714001SSerapheim Dimitropoulos } 4297*86714001SSerapheim Dimitropoulos 4298*86714001SSerapheim Dimitropoulos /* 4299*86714001SSerapheim Dimitropoulos * Ensure that ranges in the checkpoint space maps of each vdev 4300*86714001SSerapheim Dimitropoulos * are allocated according to the checkpointed state's metaslab 4301*86714001SSerapheim Dimitropoulos * space maps. 4302*86714001SSerapheim Dimitropoulos */ 4303*86714001SSerapheim Dimitropoulos verify_checkpoint_vdev_spacemaps(checkpoint_spa, spa); 4304*86714001SSerapheim Dimitropoulos 4305*86714001SSerapheim Dimitropoulos /* 4306*86714001SSerapheim Dimitropoulos * Ensure that allocated ranges in the checkpoint's metaslab 4307*86714001SSerapheim Dimitropoulos * space maps remain allocated in the metaslab space maps of 4308*86714001SSerapheim Dimitropoulos * the current state. 4309*86714001SSerapheim Dimitropoulos */ 4310*86714001SSerapheim Dimitropoulos verify_checkpoint_ms_spacemaps(checkpoint_spa, spa); 4311*86714001SSerapheim Dimitropoulos 4312*86714001SSerapheim Dimitropoulos /* 4313*86714001SSerapheim Dimitropoulos * Once we are done, we get rid of the checkpointed state. 4314*86714001SSerapheim Dimitropoulos */ 4315*86714001SSerapheim Dimitropoulos spa_close(checkpoint_spa, FTAG); 4316*86714001SSerapheim Dimitropoulos free(checkpoint_pool); 4317*86714001SSerapheim Dimitropoulos } 4318*86714001SSerapheim Dimitropoulos 4319*86714001SSerapheim Dimitropoulos static void 4320*86714001SSerapheim Dimitropoulos dump_leftover_checkpoint_blocks(spa_t *spa) 4321*86714001SSerapheim Dimitropoulos { 4322*86714001SSerapheim Dimitropoulos vdev_t *rvd = spa->spa_root_vdev; 4323*86714001SSerapheim Dimitropoulos 4324*86714001SSerapheim Dimitropoulos for (uint64_t i = 0; i < rvd->vdev_children; i++) { 4325*86714001SSerapheim Dimitropoulos vdev_t *vd = rvd->vdev_child[i]; 4326*86714001SSerapheim Dimitropoulos 4327*86714001SSerapheim Dimitropoulos space_map_t *checkpoint_sm = NULL; 4328*86714001SSerapheim Dimitropoulos uint64_t checkpoint_sm_obj; 4329*86714001SSerapheim Dimitropoulos 4330*86714001SSerapheim Dimitropoulos if (vd->vdev_top_zap == 0) 4331*86714001SSerapheim Dimitropoulos continue; 4332*86714001SSerapheim Dimitropoulos 4333*86714001SSerapheim Dimitropoulos if (zap_contains(spa_meta_objset(spa), vd->vdev_top_zap, 4334*86714001SSerapheim Dimitropoulos VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0) 4335*86714001SSerapheim Dimitropoulos continue; 4336*86714001SSerapheim Dimitropoulos 4337*86714001SSerapheim Dimitropoulos VERIFY0(zap_lookup(spa_meta_objset(spa), vd->vdev_top_zap, 4338*86714001SSerapheim Dimitropoulos VDEV_TOP_ZAP_POOL_CHECKPOINT_SM, 4339*86714001SSerapheim Dimitropoulos sizeof (uint64_t), 1, &checkpoint_sm_obj)); 4340*86714001SSerapheim Dimitropoulos 4341*86714001SSerapheim Dimitropoulos VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(spa), 4342*86714001SSerapheim Dimitropoulos checkpoint_sm_obj, 0, vd->vdev_asize, vd->vdev_ashift)); 4343*86714001SSerapheim Dimitropoulos space_map_update(checkpoint_sm); 4344*86714001SSerapheim Dimitropoulos dump_spacemap(spa->spa_meta_objset, checkpoint_sm); 4345*86714001SSerapheim Dimitropoulos space_map_close(checkpoint_sm); 4346*86714001SSerapheim Dimitropoulos } 4347*86714001SSerapheim Dimitropoulos } 4348*86714001SSerapheim Dimitropoulos 4349*86714001SSerapheim Dimitropoulos static int 4350*86714001SSerapheim Dimitropoulos verify_checkpoint(spa_t *spa) 4351*86714001SSerapheim Dimitropoulos { 4352*86714001SSerapheim Dimitropoulos uberblock_t checkpoint; 4353*86714001SSerapheim Dimitropoulos int error; 4354*86714001SSerapheim Dimitropoulos 4355*86714001SSerapheim Dimitropoulos if (!spa_feature_is_active(spa, SPA_FEATURE_POOL_CHECKPOINT)) 4356*86714001SSerapheim Dimitropoulos return (0); 4357*86714001SSerapheim Dimitropoulos 4358*86714001SSerapheim Dimitropoulos error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, 4359*86714001SSerapheim Dimitropoulos DMU_POOL_ZPOOL_CHECKPOINT, sizeof (uint64_t), 4360*86714001SSerapheim Dimitropoulos sizeof (uberblock_t) / sizeof (uint64_t), &checkpoint); 4361*86714001SSerapheim Dimitropoulos 4362*86714001SSerapheim Dimitropoulos if (error == ENOENT) { 4363*86714001SSerapheim Dimitropoulos /* 4364*86714001SSerapheim Dimitropoulos * If the feature is active but the uberblock is missing 4365*86714001SSerapheim Dimitropoulos * then we must be in the middle of discarding the 4366*86714001SSerapheim Dimitropoulos * checkpoint. 4367*86714001SSerapheim Dimitropoulos */ 4368*86714001SSerapheim Dimitropoulos (void) printf("\nPartially discarded checkpoint " 4369*86714001SSerapheim Dimitropoulos "state found:\n"); 4370*86714001SSerapheim Dimitropoulos dump_leftover_checkpoint_blocks(spa); 4371*86714001SSerapheim Dimitropoulos return (0); 4372*86714001SSerapheim Dimitropoulos } else if (error != 0) { 4373*86714001SSerapheim Dimitropoulos (void) printf("lookup error %d when looking for " 4374*86714001SSerapheim Dimitropoulos "checkpointed uberblock in MOS\n", error); 4375*86714001SSerapheim Dimitropoulos return (error); 4376*86714001SSerapheim Dimitropoulos } 4377*86714001SSerapheim Dimitropoulos dump_uberblock(&checkpoint, "\nCheckpointed uberblock found:\n", "\n"); 4378*86714001SSerapheim Dimitropoulos 4379*86714001SSerapheim Dimitropoulos if (checkpoint.ub_checkpoint_txg == 0) { 4380*86714001SSerapheim Dimitropoulos (void) printf("\nub_checkpoint_txg not set in checkpointed " 4381*86714001SSerapheim Dimitropoulos "uberblock\n"); 4382*86714001SSerapheim Dimitropoulos error = 3; 4383*86714001SSerapheim Dimitropoulos } 4384*86714001SSerapheim Dimitropoulos 4385*86714001SSerapheim Dimitropoulos if (error == 0) 4386*86714001SSerapheim Dimitropoulos verify_checkpoint_blocks(spa); 4387*86714001SSerapheim Dimitropoulos 4388*86714001SSerapheim Dimitropoulos return (error); 4389*86714001SSerapheim Dimitropoulos } 4390*86714001SSerapheim Dimitropoulos 4391fa9e4066Sahrens static void 4392fa9e4066Sahrens dump_zpool(spa_t *spa) 4393fa9e4066Sahrens { 4394fa9e4066Sahrens dsl_pool_t *dp = spa_get_dsl(spa); 4395fa9e4066Sahrens int rc = 0; 4396fa9e4066Sahrens 4397b24ab676SJeff Bonwick if (dump_opt['S']) { 4398b24ab676SJeff Bonwick dump_simulated_ddt(spa); 4399b24ab676SJeff Bonwick return; 4400b24ab676SJeff Bonwick } 4401b24ab676SJeff Bonwick 440207428bdfSVictor Latushkin if (!dump_opt['e'] && dump_opt['C'] > 1) { 440307428bdfSVictor Latushkin (void) printf("\nCached configuration:\n"); 440407428bdfSVictor Latushkin dump_nvlist(spa->spa_config, 8); 440507428bdfSVictor Latushkin } 440607428bdfSVictor Latushkin 440707428bdfSVictor Latushkin if (dump_opt['C']) 440807428bdfSVictor Latushkin dump_config(spa); 440907428bdfSVictor Latushkin 4410fa9e4066Sahrens if (dump_opt['u']) 441153b9a4a9SVictor Latushkin dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 4412fa9e4066Sahrens 4413b24ab676SJeff Bonwick if (dump_opt['D']) 4414b24ab676SJeff Bonwick dump_all_ddts(spa); 4415b24ab676SJeff Bonwick 441687219db7SVictor Latushkin if (dump_opt['d'] > 2 || dump_opt['m']) 441787219db7SVictor Latushkin dump_metaslabs(spa); 44182e4c9986SGeorge Wilson if (dump_opt['M']) 44192e4c9986SGeorge Wilson dump_metaslab_groups(spa); 442087219db7SVictor Latushkin 442187219db7SVictor Latushkin if (dump_opt['d'] || dump_opt['i']) { 4422fa9e4066Sahrens dump_dir(dp->dp_meta_objset); 4423fa9e4066Sahrens if (dump_opt['d'] >= 3) { 44245cabbc6bSPrashanth Sreenivasa dsl_pool_t *dp = spa->spa_dsl_pool; 4425732885fcSMatthew Ahrens dump_full_bpobj(&spa->spa_deferred_bpobj, 4426d0475637SMatthew Ahrens "Deferred frees", 0); 4427cde58dbcSMatthew Ahrens if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 44285cabbc6bSPrashanth Sreenivasa dump_full_bpobj(&dp->dp_free_bpobj, 4429d0475637SMatthew Ahrens "Pool snapshot frees", 0); 4430ad135b5dSChristopher Siden } 44315cabbc6bSPrashanth Sreenivasa if (bpobj_is_open(&dp->dp_obsolete_bpobj)) { 44325cabbc6bSPrashanth Sreenivasa ASSERT(spa_feature_is_enabled(spa, 44335cabbc6bSPrashanth Sreenivasa SPA_FEATURE_DEVICE_REMOVAL)); 44345cabbc6bSPrashanth Sreenivasa dump_full_bpobj(&dp->dp_obsolete_bpobj, 44355cabbc6bSPrashanth Sreenivasa "Pool obsolete blocks", 0); 44365cabbc6bSPrashanth Sreenivasa } 4437ad135b5dSChristopher Siden 4438ad135b5dSChristopher Siden if (spa_feature_is_active(spa, 44392acef22dSMatthew Ahrens SPA_FEATURE_ASYNC_DESTROY)) { 4440ad135b5dSChristopher Siden dump_bptree(spa->spa_meta_objset, 44415cabbc6bSPrashanth Sreenivasa dp->dp_bptree_obj, 4442ad135b5dSChristopher Siden "Pool dataset frees"); 4443cde58dbcSMatthew Ahrens } 4444fa9e4066Sahrens dump_dtl(spa->spa_root_vdev, 0); 4445fa9e4066Sahrens } 444607428bdfSVictor Latushkin (void) dmu_objset_find(spa_name(spa), dump_one_dir, 444707428bdfSVictor Latushkin NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 4448b5152584SMatthew Ahrens 4449ca0cc391SMatthew Ahrens for (spa_feature_t f = 0; f < SPA_FEATURES; f++) { 4450ca0cc391SMatthew Ahrens uint64_t refcount; 4451ca0cc391SMatthew Ahrens 4452ca0cc391SMatthew Ahrens if (!(spa_feature_table[f].fi_flags & 4453c5d1600cSMatthew Ahrens ZFEATURE_FLAG_PER_DATASET) || 4454c5d1600cSMatthew Ahrens !spa_feature_is_enabled(spa, f)) { 4455ca0cc391SMatthew Ahrens ASSERT0(dataset_feature_count[f]); 4456ca0cc391SMatthew Ahrens continue; 4457ca0cc391SMatthew Ahrens } 4458ca0cc391SMatthew Ahrens (void) feature_get_refcount(spa, 4459ca0cc391SMatthew Ahrens &spa_feature_table[f], &refcount); 4460ca0cc391SMatthew Ahrens if (dataset_feature_count[f] != refcount) { 4461ca0cc391SMatthew Ahrens (void) printf("%s feature refcount mismatch: " 4462ca0cc391SMatthew Ahrens "%lld datasets != %lld refcount\n", 4463ca0cc391SMatthew Ahrens spa_feature_table[f].fi_uname, 4464ca0cc391SMatthew Ahrens (longlong_t)dataset_feature_count[f], 4465ca0cc391SMatthew Ahrens (longlong_t)refcount); 4466ca0cc391SMatthew Ahrens rc = 2; 4467ca0cc391SMatthew Ahrens } else { 4468ca0cc391SMatthew Ahrens (void) printf("Verified %s feature refcount " 4469ca0cc391SMatthew Ahrens "of %llu is correct\n", 4470ca0cc391SMatthew Ahrens spa_feature_table[f].fi_uname, 4471ca0cc391SMatthew Ahrens (longlong_t)refcount); 4472ca0cc391SMatthew Ahrens } 4473b5152584SMatthew Ahrens } 44745cabbc6bSPrashanth Sreenivasa 44755cabbc6bSPrashanth Sreenivasa if (rc == 0) { 44765cabbc6bSPrashanth Sreenivasa rc = verify_device_removal_feature_counts(spa); 44775cabbc6bSPrashanth Sreenivasa } 4478fa9e4066Sahrens } 4479b5152584SMatthew Ahrens if (rc == 0 && (dump_opt['b'] || dump_opt['c'])) 4480fa9e4066Sahrens rc = dump_block_stats(spa); 4481fa9e4066Sahrens 44820713e232SGeorge Wilson if (rc == 0) 44830713e232SGeorge Wilson rc = verify_spacemap_refcounts(spa); 44840713e232SGeorge Wilson 4485fa9e4066Sahrens if (dump_opt['s']) 4486fa9e4066Sahrens show_pool_stats(spa); 4487fa9e4066Sahrens 44888f18d1faSGeorge Wilson if (dump_opt['h']) 44898f18d1faSGeorge Wilson dump_history(spa); 44908f18d1faSGeorge Wilson 4491*86714001SSerapheim Dimitropoulos if (rc == 0 && !dump_opt['L']) 4492*86714001SSerapheim Dimitropoulos rc = verify_checkpoint(spa); 4493*86714001SSerapheim Dimitropoulos 449429bdd2f9SPavel Zakharov if (rc != 0) { 449529bdd2f9SPavel Zakharov dump_debug_buffer(); 4496fa9e4066Sahrens exit(rc); 449729bdd2f9SPavel Zakharov } 4498fa9e4066Sahrens } 4499fa9e4066Sahrens 450044cd46caSbillm #define ZDB_FLAG_CHECKSUM 0x0001 450144cd46caSbillm #define ZDB_FLAG_DECOMPRESS 0x0002 450244cd46caSbillm #define ZDB_FLAG_BSWAP 0x0004 450344cd46caSbillm #define ZDB_FLAG_GBH 0x0008 450444cd46caSbillm #define ZDB_FLAG_INDIRECT 0x0010 450544cd46caSbillm #define ZDB_FLAG_PHYS 0x0020 450644cd46caSbillm #define ZDB_FLAG_RAW 0x0040 450744cd46caSbillm #define ZDB_FLAG_PRINT_BLKPTR 0x0080 450844cd46caSbillm 45093f7978d0SAlan Somers static int flagbits[256]; 451044cd46caSbillm 451144cd46caSbillm static void 451244cd46caSbillm zdb_print_blkptr(blkptr_t *bp, int flags) 451344cd46caSbillm { 4514b24ab676SJeff Bonwick char blkbuf[BP_SPRINTF_LEN]; 451544cd46caSbillm 451644cd46caSbillm if (flags & ZDB_FLAG_BSWAP) 451744cd46caSbillm byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 4518b24ab676SJeff Bonwick 451943466aaeSMax Grossman snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 4520b24ab676SJeff Bonwick (void) printf("%s\n", blkbuf); 452144cd46caSbillm } 452244cd46caSbillm 452344cd46caSbillm static void 452444cd46caSbillm zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 452544cd46caSbillm { 452644cd46caSbillm int i; 452744cd46caSbillm 452844cd46caSbillm for (i = 0; i < nbps; i++) 452944cd46caSbillm zdb_print_blkptr(&bp[i], flags); 453044cd46caSbillm } 453144cd46caSbillm 453244cd46caSbillm static void 453344cd46caSbillm zdb_dump_gbh(void *buf, int flags) 453444cd46caSbillm { 453544cd46caSbillm zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 453644cd46caSbillm } 453744cd46caSbillm 453844cd46caSbillm static void 453944cd46caSbillm zdb_dump_block_raw(void *buf, uint64_t size, int flags) 454044cd46caSbillm { 454144cd46caSbillm if (flags & ZDB_FLAG_BSWAP) 454244cd46caSbillm byteswap_uint64_array(buf, size); 4543b24ab676SJeff Bonwick (void) write(1, buf, size); 454444cd46caSbillm } 454544cd46caSbillm 454644cd46caSbillm static void 454744cd46caSbillm zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 454844cd46caSbillm { 454944cd46caSbillm uint64_t *d = (uint64_t *)buf; 45503f7978d0SAlan Somers unsigned nwords = size / sizeof (uint64_t); 455144cd46caSbillm int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 45523f7978d0SAlan Somers unsigned i, j; 45533f7978d0SAlan Somers const char *hdr; 45543f7978d0SAlan Somers char *c; 455544cd46caSbillm 455644cd46caSbillm 455744cd46caSbillm if (do_bswap) 455844cd46caSbillm hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 455944cd46caSbillm else 456044cd46caSbillm hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 456144cd46caSbillm 456244cd46caSbillm (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 456344cd46caSbillm 456444cd46caSbillm for (i = 0; i < nwords; i += 2) { 456544cd46caSbillm (void) printf("%06llx: %016llx %016llx ", 456644cd46caSbillm (u_longlong_t)(i * sizeof (uint64_t)), 456744cd46caSbillm (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 456844cd46caSbillm (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 456944cd46caSbillm 457044cd46caSbillm c = (char *)&d[i]; 457144cd46caSbillm for (j = 0; j < 2 * sizeof (uint64_t); j++) 457244cd46caSbillm (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 457344cd46caSbillm (void) printf("\n"); 457444cd46caSbillm } 457544cd46caSbillm } 457644cd46caSbillm 457744cd46caSbillm /* 457844cd46caSbillm * There are two acceptable formats: 457944cd46caSbillm * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 458044cd46caSbillm * child[.child]* - For example: 0.1.1 458144cd46caSbillm * 458244cd46caSbillm * The second form can be used to specify arbitrary vdevs anywhere 458344cd46caSbillm * in the heirarchy. For example, in a pool with a mirror of 458444cd46caSbillm * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 458544cd46caSbillm */ 458644cd46caSbillm static vdev_t * 45873f7978d0SAlan Somers zdb_vdev_lookup(vdev_t *vdev, const char *path) 458844cd46caSbillm { 458944cd46caSbillm char *s, *p, *q; 45903f7978d0SAlan Somers unsigned i; 459144cd46caSbillm 459244cd46caSbillm if (vdev == NULL) 459344cd46caSbillm return (NULL); 459444cd46caSbillm 459544cd46caSbillm /* First, assume the x.x.x.x format */ 45963f7978d0SAlan Somers i = strtoul(path, &s, 10); 459744cd46caSbillm if (s == path || (s && *s != '.' && *s != '\0')) 459844cd46caSbillm goto name; 45993f7978d0SAlan Somers if (i >= vdev->vdev_children) 460044cd46caSbillm return (NULL); 460144cd46caSbillm 460244cd46caSbillm vdev = vdev->vdev_child[i]; 460344cd46caSbillm if (*s == '\0') 460444cd46caSbillm return (vdev); 460544cd46caSbillm return (zdb_vdev_lookup(vdev, s+1)); 460644cd46caSbillm 460744cd46caSbillm name: 460844cd46caSbillm for (i = 0; i < vdev->vdev_children; i++) { 460944cd46caSbillm vdev_t *vc = vdev->vdev_child[i]; 461044cd46caSbillm 461144cd46caSbillm if (vc->vdev_path == NULL) { 461244cd46caSbillm vc = zdb_vdev_lookup(vc, path); 461344cd46caSbillm if (vc == NULL) 461444cd46caSbillm continue; 461544cd46caSbillm else 461644cd46caSbillm return (vc); 461744cd46caSbillm } 461844cd46caSbillm 461944cd46caSbillm p = strrchr(vc->vdev_path, '/'); 462044cd46caSbillm p = p ? p + 1 : vc->vdev_path; 462144cd46caSbillm q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 462244cd46caSbillm 462344cd46caSbillm if (strcmp(vc->vdev_path, path) == 0) 462444cd46caSbillm return (vc); 462544cd46caSbillm if (strcmp(p, path) == 0) 462644cd46caSbillm return (vc); 462744cd46caSbillm if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 462844cd46caSbillm return (vc); 462944cd46caSbillm } 463044cd46caSbillm 463144cd46caSbillm return (NULL); 463244cd46caSbillm } 463344cd46caSbillm 4634770499e1SDan Kimmel /* ARGSUSED */ 4635770499e1SDan Kimmel static int 4636770499e1SDan Kimmel random_get_pseudo_bytes_cb(void *buf, size_t len, void *unused) 4637770499e1SDan Kimmel { 4638770499e1SDan Kimmel return (random_get_pseudo_bytes(buf, len)); 4639770499e1SDan Kimmel } 4640770499e1SDan Kimmel 464144cd46caSbillm /* 464244cd46caSbillm * Read a block from a pool and print it out. The syntax of the 464344cd46caSbillm * block descriptor is: 464444cd46caSbillm * 464544cd46caSbillm * pool:vdev_specifier:offset:size[:flags] 464644cd46caSbillm * 464744cd46caSbillm * pool - The name of the pool you wish to read from 464844cd46caSbillm * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 464944cd46caSbillm * offset - offset, in hex, in bytes 465044cd46caSbillm * size - Amount of data to read, in hex, in bytes 465144cd46caSbillm * flags - A string of characters specifying options 465244cd46caSbillm * b: Decode a blkptr at given offset within block 465344cd46caSbillm * *c: Calculate and display checksums 4654b24ab676SJeff Bonwick * d: Decompress data before dumping 465544cd46caSbillm * e: Byteswap data before dumping 4656b24ab676SJeff Bonwick * g: Display data as a gang block header 4657b24ab676SJeff Bonwick * i: Display as an indirect block 465844cd46caSbillm * p: Do I/O to physical offset 465944cd46caSbillm * r: Dump raw data to stdout 466044cd46caSbillm * 466144cd46caSbillm * * = not yet implemented 466244cd46caSbillm */ 466344cd46caSbillm static void 466407428bdfSVictor Latushkin zdb_read_block(char *thing, spa_t *spa) 466544cd46caSbillm { 4666b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 4667b24ab676SJeff Bonwick dva_t *dva = bp->blk_dva; 466844cd46caSbillm int flags = 0; 4669b24ab676SJeff Bonwick uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 467044cd46caSbillm zio_t *zio; 467144cd46caSbillm vdev_t *vd; 4672770499e1SDan Kimmel abd_t *pabd; 4673770499e1SDan Kimmel void *lbuf, *buf; 46743f7978d0SAlan Somers const char *s, *vdev; 46753f7978d0SAlan Somers char *p, *dup, *flagstr; 4676b24ab676SJeff Bonwick int i, error; 467744cd46caSbillm 467844cd46caSbillm dup = strdup(thing); 467944cd46caSbillm s = strtok(dup, ":"); 468044cd46caSbillm vdev = s ? s : ""; 468144cd46caSbillm s = strtok(NULL, ":"); 468244cd46caSbillm offset = strtoull(s ? s : "", NULL, 16); 468344cd46caSbillm s = strtok(NULL, ":"); 468444cd46caSbillm size = strtoull(s ? s : "", NULL, 16); 468544cd46caSbillm s = strtok(NULL, ":"); 46863f7978d0SAlan Somers if (s) 46873f7978d0SAlan Somers flagstr = strdup(s); 46883f7978d0SAlan Somers else 46893f7978d0SAlan Somers flagstr = strdup(""); 469044cd46caSbillm 469144cd46caSbillm s = NULL; 469244cd46caSbillm if (size == 0) 469344cd46caSbillm s = "size must not be zero"; 469444cd46caSbillm if (!IS_P2ALIGNED(size, DEV_BSIZE)) 469544cd46caSbillm s = "size must be a multiple of sector size"; 469644cd46caSbillm if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 469744cd46caSbillm s = "offset must be a multiple of sector size"; 469844cd46caSbillm if (s) { 469944cd46caSbillm (void) printf("Invalid block specifier: %s - %s\n", thing, s); 470044cd46caSbillm free(dup); 470144cd46caSbillm return; 470244cd46caSbillm } 470344cd46caSbillm 470444cd46caSbillm for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 470544cd46caSbillm for (i = 0; flagstr[i]; i++) { 47065ad82045Snd int bit = flagbits[(uchar_t)flagstr[i]]; 470744cd46caSbillm 470844cd46caSbillm if (bit == 0) { 470944cd46caSbillm (void) printf("***Invalid flag: %c\n", 471044cd46caSbillm flagstr[i]); 471144cd46caSbillm continue; 471244cd46caSbillm } 471344cd46caSbillm flags |= bit; 471444cd46caSbillm 471544cd46caSbillm /* If it's not something with an argument, keep going */ 4716b24ab676SJeff Bonwick if ((bit & (ZDB_FLAG_CHECKSUM | 471744cd46caSbillm ZDB_FLAG_PRINT_BLKPTR)) == 0) 471844cd46caSbillm continue; 471944cd46caSbillm 472044cd46caSbillm p = &flagstr[i + 1]; 472144cd46caSbillm if (bit == ZDB_FLAG_PRINT_BLKPTR) 472244cd46caSbillm blkptr_offset = strtoull(p, &p, 16); 472344cd46caSbillm if (*p != ':' && *p != '\0') { 472444cd46caSbillm (void) printf("***Invalid flag arg: '%s'\n", s); 472544cd46caSbillm free(dup); 472644cd46caSbillm return; 472744cd46caSbillm } 472844cd46caSbillm } 472944cd46caSbillm } 47303f7978d0SAlan Somers free(flagstr); 473144cd46caSbillm 473244cd46caSbillm vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 473344cd46caSbillm if (vd == NULL) { 473444cd46caSbillm (void) printf("***Invalid vdev: %s\n", vdev); 473544cd46caSbillm free(dup); 473644cd46caSbillm return; 473744cd46caSbillm } else { 473844cd46caSbillm if (vd->vdev_path) 4739b24ab676SJeff Bonwick (void) fprintf(stderr, "Found vdev: %s\n", 4740b24ab676SJeff Bonwick vd->vdev_path); 474144cd46caSbillm else 4742b24ab676SJeff Bonwick (void) fprintf(stderr, "Found vdev type: %s\n", 474344cd46caSbillm vd->vdev_ops->vdev_op_type); 474444cd46caSbillm } 474544cd46caSbillm 4746b24ab676SJeff Bonwick psize = size; 4747b24ab676SJeff Bonwick lsize = size; 474844cd46caSbillm 4749770499e1SDan Kimmel pabd = abd_alloc_linear(SPA_MAXBLOCKSIZE, B_FALSE); 4750b24ab676SJeff Bonwick lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 4751b24ab676SJeff Bonwick 4752b24ab676SJeff Bonwick BP_ZERO(bp); 4753b24ab676SJeff Bonwick 4754b24ab676SJeff Bonwick DVA_SET_VDEV(&dva[0], vd->vdev_id); 4755b24ab676SJeff Bonwick DVA_SET_OFFSET(&dva[0], offset); 4756b24ab676SJeff Bonwick DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 4757b24ab676SJeff Bonwick DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 4758b24ab676SJeff Bonwick 4759b24ab676SJeff Bonwick BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 4760b24ab676SJeff Bonwick 4761b24ab676SJeff Bonwick BP_SET_LSIZE(bp, lsize); 4762b24ab676SJeff Bonwick BP_SET_PSIZE(bp, psize); 4763b24ab676SJeff Bonwick BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 4764b24ab676SJeff Bonwick BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 4765b24ab676SJeff Bonwick BP_SET_TYPE(bp, DMU_OT_NONE); 4766b24ab676SJeff Bonwick BP_SET_LEVEL(bp, 0); 4767b24ab676SJeff Bonwick BP_SET_DEDUP(bp, 0); 4768b24ab676SJeff Bonwick BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 476944cd46caSbillm 4770e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 477144cd46caSbillm zio = zio_root(spa, NULL, NULL, 0); 4772b24ab676SJeff Bonwick 4773b24ab676SJeff Bonwick if (vd == vd->vdev_top) { 4774b24ab676SJeff Bonwick /* 4775b24ab676SJeff Bonwick * Treat this as a normal block read. 4776b24ab676SJeff Bonwick */ 4777770499e1SDan Kimmel zio_nowait(zio_read(zio, spa, bp, pabd, psize, NULL, NULL, 4778b24ab676SJeff Bonwick ZIO_PRIORITY_SYNC_READ, 4779b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 4780b24ab676SJeff Bonwick } else { 4781b24ab676SJeff Bonwick /* 4782b24ab676SJeff Bonwick * Treat this as a vdev child I/O. 4783b24ab676SJeff Bonwick */ 4784770499e1SDan Kimmel zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pabd, 4785770499e1SDan Kimmel psize, ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 4786b24ab676SJeff Bonwick ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 4787b24ab676SJeff Bonwick ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 47885cabbc6bSPrashanth Sreenivasa ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW | ZIO_FLAG_OPTIONAL, 47895cabbc6bSPrashanth Sreenivasa NULL, NULL)); 4790b24ab676SJeff Bonwick } 4791b24ab676SJeff Bonwick 479244cd46caSbillm error = zio_wait(zio); 4793e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 479444cd46caSbillm 479544cd46caSbillm if (error) { 479644cd46caSbillm (void) printf("Read of %s failed, error: %d\n", thing, error); 479744cd46caSbillm goto out; 479844cd46caSbillm } 479944cd46caSbillm 4800b24ab676SJeff Bonwick if (flags & ZDB_FLAG_DECOMPRESS) { 4801b24ab676SJeff Bonwick /* 4802b24ab676SJeff Bonwick * We don't know how the data was compressed, so just try 4803b24ab676SJeff Bonwick * every decompress function at every inflated blocksize. 4804b24ab676SJeff Bonwick */ 4805b24ab676SJeff Bonwick enum zio_compress c; 4806b24ab676SJeff Bonwick void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 4807b24ab676SJeff Bonwick void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 4808b24ab676SJeff Bonwick 4809770499e1SDan Kimmel abd_copy_to_buf(pbuf2, pabd, psize); 4810b24ab676SJeff Bonwick 4811770499e1SDan Kimmel VERIFY0(abd_iterate_func(pabd, psize, SPA_MAXBLOCKSIZE - psize, 4812770499e1SDan Kimmel random_get_pseudo_bytes_cb, NULL)); 4813b24ab676SJeff Bonwick 4814770499e1SDan Kimmel VERIFY0(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 4815770499e1SDan Kimmel SPA_MAXBLOCKSIZE - psize)); 4816b24ab676SJeff Bonwick 4817b24ab676SJeff Bonwick for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 4818b24ab676SJeff Bonwick lsize -= SPA_MINBLOCKSIZE) { 4819b24ab676SJeff Bonwick for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 4820770499e1SDan Kimmel if (zio_decompress_data(c, pabd, 4821770499e1SDan Kimmel lbuf, psize, lsize) == 0 && 4822770499e1SDan Kimmel zio_decompress_data_buf(c, pbuf2, 4823770499e1SDan Kimmel lbuf2, psize, lsize) == 0 && 4824b24ab676SJeff Bonwick bcmp(lbuf, lbuf2, lsize) == 0) 4825b24ab676SJeff Bonwick break; 4826b24ab676SJeff Bonwick } 4827b24ab676SJeff Bonwick if (c != ZIO_COMPRESS_FUNCTIONS) 4828b24ab676SJeff Bonwick break; 4829b24ab676SJeff Bonwick lsize -= SPA_MINBLOCKSIZE; 4830b24ab676SJeff Bonwick } 4831b24ab676SJeff Bonwick 4832b24ab676SJeff Bonwick umem_free(pbuf2, SPA_MAXBLOCKSIZE); 4833b24ab676SJeff Bonwick umem_free(lbuf2, SPA_MAXBLOCKSIZE); 4834b24ab676SJeff Bonwick 4835b24ab676SJeff Bonwick if (lsize <= psize) { 4836b24ab676SJeff Bonwick (void) printf("Decompress of %s failed\n", thing); 4837b24ab676SJeff Bonwick goto out; 4838b24ab676SJeff Bonwick } 4839b24ab676SJeff Bonwick buf = lbuf; 4840b24ab676SJeff Bonwick size = lsize; 4841b24ab676SJeff Bonwick } else { 4842770499e1SDan Kimmel buf = abd_to_buf(pabd); 4843b24ab676SJeff Bonwick size = psize; 4844b24ab676SJeff Bonwick } 4845b24ab676SJeff Bonwick 484644cd46caSbillm if (flags & ZDB_FLAG_PRINT_BLKPTR) 484744cd46caSbillm zdb_print_blkptr((blkptr_t *)(void *) 484844cd46caSbillm ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 484944cd46caSbillm else if (flags & ZDB_FLAG_RAW) 485044cd46caSbillm zdb_dump_block_raw(buf, size, flags); 485144cd46caSbillm else if (flags & ZDB_FLAG_INDIRECT) 485244cd46caSbillm zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 485344cd46caSbillm flags); 485444cd46caSbillm else if (flags & ZDB_FLAG_GBH) 485544cd46caSbillm zdb_dump_gbh(buf, flags); 485644cd46caSbillm else 485744cd46caSbillm zdb_dump_block(thing, buf, size, flags); 485844cd46caSbillm 485944cd46caSbillm out: 4860770499e1SDan Kimmel abd_free(pabd); 4861b24ab676SJeff Bonwick umem_free(lbuf, SPA_MAXBLOCKSIZE); 486244cd46caSbillm free(dup); 486344cd46caSbillm } 486444cd46caSbillm 48654923c69fSMatthew Ahrens static void 48664923c69fSMatthew Ahrens zdb_embedded_block(char *thing) 48674923c69fSMatthew Ahrens { 48683f7978d0SAlan Somers blkptr_t bp; 48694923c69fSMatthew Ahrens unsigned long long *words = (void *)&bp; 48704923c69fSMatthew Ahrens char buf[SPA_MAXBLOCKSIZE]; 48714923c69fSMatthew Ahrens int err; 48724923c69fSMatthew Ahrens 48733f7978d0SAlan Somers bzero(&bp, sizeof (bp)); 48744923c69fSMatthew Ahrens err = sscanf(thing, "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx:" 48754923c69fSMatthew Ahrens "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx", 48764923c69fSMatthew Ahrens words + 0, words + 1, words + 2, words + 3, 48774923c69fSMatthew Ahrens words + 4, words + 5, words + 6, words + 7, 48784923c69fSMatthew Ahrens words + 8, words + 9, words + 10, words + 11, 48794923c69fSMatthew Ahrens words + 12, words + 13, words + 14, words + 15); 48804923c69fSMatthew Ahrens if (err != 16) { 48814923c69fSMatthew Ahrens (void) printf("invalid input format\n"); 48824923c69fSMatthew Ahrens exit(1); 48834923c69fSMatthew Ahrens } 48844923c69fSMatthew Ahrens ASSERT3U(BPE_GET_LSIZE(&bp), <=, SPA_MAXBLOCKSIZE); 48854923c69fSMatthew Ahrens err = decode_embedded_bp(&bp, buf, BPE_GET_LSIZE(&bp)); 48864923c69fSMatthew Ahrens if (err != 0) { 48874923c69fSMatthew Ahrens (void) printf("decode failed: %u\n", err); 48884923c69fSMatthew Ahrens exit(1); 48894923c69fSMatthew Ahrens } 48904923c69fSMatthew Ahrens zdb_dump_block_raw(buf, BPE_GET_LSIZE(&bp), 0); 48914923c69fSMatthew Ahrens } 48924923c69fSMatthew Ahrens 4893de6628f0Sck static boolean_t 48943ad6c7f9SVictor Latushkin pool_match(nvlist_t *cfg, char *tgt) 4895de6628f0Sck { 48963ad6c7f9SVictor Latushkin uint64_t v, guid = strtoull(tgt, NULL, 0); 4897de6628f0Sck char *s; 4898de6628f0Sck 4899de6628f0Sck if (guid != 0) { 49003ad6c7f9SVictor Latushkin if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 49013ad6c7f9SVictor Latushkin return (v == guid); 4902de6628f0Sck } else { 49033ad6c7f9SVictor Latushkin if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 49043ad6c7f9SVictor Latushkin return (strcmp(s, tgt) == 0); 4905de6628f0Sck } 49063ad6c7f9SVictor Latushkin return (B_FALSE); 4907de6628f0Sck } 4908de6628f0Sck 49093ad6c7f9SVictor Latushkin static char * 49103ad6c7f9SVictor Latushkin find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 4911de6628f0Sck { 4912de6628f0Sck nvlist_t *pools; 4913de6628f0Sck nvlist_t *match = NULL; 49143ad6c7f9SVictor Latushkin char *name = NULL; 49153ad6c7f9SVictor Latushkin char *sepp = NULL; 49169adfa60dSMatthew Ahrens char sep = '\0'; 49173ad6c7f9SVictor Latushkin int count = 0; 49183f7978d0SAlan Somers importargs_t args; 4919d41c4376SMark J Musante 49203f7978d0SAlan Somers bzero(&args, sizeof (args)); 4921d41c4376SMark J Musante args.paths = dirc; 4922d41c4376SMark J Musante args.path = dirv; 4923d41c4376SMark J Musante args.can_be_active = B_TRUE; 4924de6628f0Sck 49253ad6c7f9SVictor Latushkin if ((sepp = strpbrk(*target, "/@")) != NULL) { 49263ad6c7f9SVictor Latushkin sep = *sepp; 49273ad6c7f9SVictor Latushkin *sepp = '\0'; 49283ad6c7f9SVictor Latushkin } 49293ad6c7f9SVictor Latushkin 4930d41c4376SMark J Musante pools = zpool_search_import(g_zfs, &args); 4931de6628f0Sck 4932de6628f0Sck if (pools != NULL) { 4933de6628f0Sck nvpair_t *elem = NULL; 4934de6628f0Sck while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 4935de6628f0Sck verify(nvpair_value_nvlist(elem, configp) == 0); 49363ad6c7f9SVictor Latushkin if (pool_match(*configp, *target)) { 49373ad6c7f9SVictor Latushkin count++; 4938de6628f0Sck if (match != NULL) { 49393ad6c7f9SVictor Latushkin /* print previously found config */ 49403ad6c7f9SVictor Latushkin if (name != NULL) { 49413ad6c7f9SVictor Latushkin (void) printf("%s\n", name); 49423ad6c7f9SVictor Latushkin dump_nvlist(match, 8); 49433ad6c7f9SVictor Latushkin name = NULL; 49443ad6c7f9SVictor Latushkin } 49453ad6c7f9SVictor Latushkin (void) printf("%s\n", 49463ad6c7f9SVictor Latushkin nvpair_name(elem)); 49473ad6c7f9SVictor Latushkin dump_nvlist(*configp, 8); 4948de6628f0Sck } else { 4949de6628f0Sck match = *configp; 49503ad6c7f9SVictor Latushkin name = nvpair_name(elem); 4951de6628f0Sck } 4952de6628f0Sck } 4953de6628f0Sck } 4954de6628f0Sck } 49553ad6c7f9SVictor Latushkin if (count > 1) 49563ad6c7f9SVictor Latushkin (void) fatal("\tMatched %d pools - use pool GUID " 49573ad6c7f9SVictor Latushkin "instead of pool name or \n" 49583ad6c7f9SVictor Latushkin "\tpool name part of a dataset name to select pool", count); 49593ad6c7f9SVictor Latushkin 49603ad6c7f9SVictor Latushkin if (sepp) 49613ad6c7f9SVictor Latushkin *sepp = sep; 49623ad6c7f9SVictor Latushkin /* 49633ad6c7f9SVictor Latushkin * If pool GUID was specified for pool id, replace it with pool name 49643ad6c7f9SVictor Latushkin */ 49653ad6c7f9SVictor Latushkin if (name && (strstr(*target, name) != *target)) { 49663ad6c7f9SVictor Latushkin int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 49673ad6c7f9SVictor Latushkin 49683ad6c7f9SVictor Latushkin *target = umem_alloc(sz, UMEM_NOFAIL); 49693ad6c7f9SVictor Latushkin (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 49703ad6c7f9SVictor Latushkin } 4971de6628f0Sck 49723ad6c7f9SVictor Latushkin *configp = name ? match : NULL; 4973de6628f0Sck 49743ad6c7f9SVictor Latushkin return (name); 4975de6628f0Sck } 4976de6628f0Sck 4977fa9e4066Sahrens int 4978fa9e4066Sahrens main(int argc, char **argv) 4979fa9e4066Sahrens { 49803f7978d0SAlan Somers int c; 4981fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 49823ad6c7f9SVictor Latushkin spa_t *spa = NULL; 4983fa9e4066Sahrens objset_t *os = NULL; 4984fa9e4066Sahrens int dump_all = 1; 4985fa9e4066Sahrens int verbose = 0; 4986c8ee1847SVictor Latushkin int error = 0; 49873ad6c7f9SVictor Latushkin char **searchdirs = NULL; 49883ad6c7f9SVictor Latushkin int nsearch = 0; 49893ad6c7f9SVictor Latushkin char *target; 4990468c413aSTim Haley nvlist_t *policy = NULL; 4991468c413aSTim Haley uint64_t max_txg = UINT64_MAX; 4992dfd5965fSRichard Yao int flags = ZFS_IMPORT_MISSING_LOG; 4993c8ee1847SVictor Latushkin int rewind = ZPOOL_NEVER_REWIND; 4994ae24175bSCyril Plisko char *spa_config_path_env; 4995b702644aSTim Chase boolean_t target_is_spa = B_TRUE; 4996*86714001SSerapheim Dimitropoulos nvlist_t *cfg = NULL; 4997fa9e4066Sahrens 4998fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 4999004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 5000fa9e4066Sahrens 5001fa9e4066Sahrens dprintf_setup(&argc, argv); 5002fa9e4066Sahrens 5003ae24175bSCyril Plisko /* 5004ae24175bSCyril Plisko * If there is an environment variable SPA_CONFIG_PATH it overrides 5005ae24175bSCyril Plisko * default spa_config_path setting. If -U flag is specified it will 5006ae24175bSCyril Plisko * override this environment variable settings once again. 5007ae24175bSCyril Plisko */ 5008ae24175bSCyril Plisko spa_config_path_env = getenv("SPA_CONFIG_PATH"); 5009ae24175bSCyril Plisko if (spa_config_path_env != NULL) 5010ae24175bSCyril Plisko spa_config_path = spa_config_path_env; 5011ae24175bSCyril Plisko 5012df15e419SMatthew Ahrens while ((c = getopt(argc, argv, 5013*86714001SSerapheim Dimitropoulos "AbcCdDeEFGhiI:klLmMo:Op:PqRsSt:uU:vVx:X")) != -1) { 5014fa9e4066Sahrens switch (c) { 5015fa9e4066Sahrens case 'b': 5016fa9e4066Sahrens case 'c': 5017ed61ec1dSYuri Pankov case 'C': 5018b24ab676SJeff Bonwick case 'd': 5019ed61ec1dSYuri Pankov case 'D': 50204923c69fSMatthew Ahrens case 'E': 5021ed61ec1dSYuri Pankov case 'G': 5022b24ab676SJeff Bonwick case 'h': 5023b24ab676SJeff Bonwick case 'i': 5024b24ab676SJeff Bonwick case 'l': 5025d6e555bdSGeorge Wilson case 'm': 50262e4c9986SGeorge Wilson case 'M': 5027ed61ec1dSYuri Pankov case 'O': 502844cd46caSbillm case 'R': 5029ed61ec1dSYuri Pankov case 's': 5030b24ab676SJeff Bonwick case 'S': 5031ed61ec1dSYuri Pankov case 'u': 5032fa9e4066Sahrens dump_opt[c]++; 5033fa9e4066Sahrens dump_all = 0; 5034fa9e4066Sahrens break; 5035feef89cfSVictor Latushkin case 'A': 5036ed61ec1dSYuri Pankov case 'e': 5037c8ee1847SVictor Latushkin case 'F': 5038*86714001SSerapheim Dimitropoulos case 'k': 503982a0a985SVictor Latushkin case 'L': 50403f9d6ad7SLin Ling case 'P': 504164723e36SYuri Pankov case 'q': 5042ed61ec1dSYuri Pankov case 'X': 504382a0a985SVictor Latushkin dump_opt[c]++; 504482a0a985SVictor Latushkin break; 5045ed61ec1dSYuri Pankov /* NB: Sort single match options below. */ 50462e4c9986SGeorge Wilson case 'I': 504731d7e8faSGeorge Wilson max_inflight = strtoull(optarg, NULL, 0); 504831d7e8faSGeorge Wilson if (max_inflight == 0) { 504931d7e8faSGeorge Wilson (void) fprintf(stderr, "maximum number " 505031d7e8faSGeorge Wilson "of inflight I/Os must be greater " 505131d7e8faSGeorge Wilson "than 0\n"); 505231d7e8faSGeorge Wilson usage(); 505331d7e8faSGeorge Wilson } 505431d7e8faSGeorge Wilson break; 5055ed61ec1dSYuri Pankov case 'o': 5056ed61ec1dSYuri Pankov error = set_global_var(optarg); 5057ed61ec1dSYuri Pankov if (error != 0) 5058ed61ec1dSYuri Pankov usage(); 5059ed61ec1dSYuri Pankov break; 5060de6628f0Sck case 'p': 50613ad6c7f9SVictor Latushkin if (searchdirs == NULL) { 50623ad6c7f9SVictor Latushkin searchdirs = umem_alloc(sizeof (char *), 50633ad6c7f9SVictor Latushkin UMEM_NOFAIL); 50643ad6c7f9SVictor Latushkin } else { 50653ad6c7f9SVictor Latushkin char **tmp = umem_alloc((nsearch + 1) * 50663ad6c7f9SVictor Latushkin sizeof (char *), UMEM_NOFAIL); 50673ad6c7f9SVictor Latushkin bcopy(searchdirs, tmp, nsearch * 50683ad6c7f9SVictor Latushkin sizeof (char *)); 50693ad6c7f9SVictor Latushkin umem_free(searchdirs, 50703ad6c7f9SVictor Latushkin nsearch * sizeof (char *)); 50713ad6c7f9SVictor Latushkin searchdirs = tmp; 50723ad6c7f9SVictor Latushkin } 50733ad6c7f9SVictor Latushkin searchdirs[nsearch++] = optarg; 5074de6628f0Sck break; 50752e551927SVictor Latushkin case 't': 5076468c413aSTim Haley max_txg = strtoull(optarg, NULL, 0); 5077468c413aSTim Haley if (max_txg < TXG_INITIAL) { 50782e551927SVictor Latushkin (void) fprintf(stderr, "incorrect txg " 50792e551927SVictor Latushkin "specified: %s\n", optarg); 50802e551927SVictor Latushkin usage(); 50812e551927SVictor Latushkin } 50822e551927SVictor Latushkin break; 5083b24ab676SJeff Bonwick case 'U': 5084b24ab676SJeff Bonwick spa_config_path = optarg; 50854923c69fSMatthew Ahrens if (spa_config_path[0] != '/') { 50864923c69fSMatthew Ahrens (void) fprintf(stderr, 50874923c69fSMatthew Ahrens "cachefile must be an absolute path " 50884923c69fSMatthew Ahrens "(i.e. start with a slash)\n"); 50894923c69fSMatthew Ahrens usage(); 50904923c69fSMatthew Ahrens } 5091b24ab676SJeff Bonwick break; 50922e4c9986SGeorge Wilson case 'v': 50932e4c9986SGeorge Wilson verbose++; 50942e4c9986SGeorge Wilson break; 5095dfd5965fSRichard Yao case 'V': 5096dfd5965fSRichard Yao flags = ZFS_IMPORT_VERBATIM; 5097dfd5965fSRichard Yao break; 50982e4c9986SGeorge Wilson case 'x': 50992e4c9986SGeorge Wilson vn_dumpdir = optarg; 51002e4c9986SGeorge Wilson break; 5101fa9e4066Sahrens default: 5102fa9e4066Sahrens usage(); 5103fa9e4066Sahrens break; 5104fa9e4066Sahrens } 5105fa9e4066Sahrens } 5106fa9e4066Sahrens 51073ad6c7f9SVictor Latushkin if (!dump_opt['e'] && searchdirs != NULL) { 510888b7b0f2SMatthew Ahrens (void) fprintf(stderr, "-p option requires use of -e\n"); 510988b7b0f2SMatthew Ahrens usage(); 511088b7b0f2SMatthew Ahrens } 5111de6628f0Sck 511206be9802SMatthew Ahrens /* 511306be9802SMatthew Ahrens * ZDB does not typically re-read blocks; therefore limit the ARC 511406be9802SMatthew Ahrens * to 256 MB, which can be used entirely for metadata. 511506be9802SMatthew Ahrens */ 511606be9802SMatthew Ahrens zfs_arc_max = zfs_arc_meta_limit = 256 * 1024 * 1024; 511706be9802SMatthew Ahrens 5118f7950bf1SMatthew Ahrens /* 5119f7950bf1SMatthew Ahrens * "zdb -c" uses checksum-verifying scrub i/os which are async reads. 5120f7950bf1SMatthew Ahrens * "zdb -b" uses traversal prefetch which uses async reads. 5121f7950bf1SMatthew Ahrens * For good performance, let several of them be active at once. 5122f7950bf1SMatthew Ahrens */ 5123f7950bf1SMatthew Ahrens zfs_vdev_async_read_max_active = 10; 5124f7950bf1SMatthew Ahrens 51254dd77f9eSMatthew Ahrens /* 51264dd77f9eSMatthew Ahrens * Disable reference tracking for better performance. 51274dd77f9eSMatthew Ahrens */ 51284dd77f9eSMatthew Ahrens reference_tracking_enable = B_FALSE; 51294dd77f9eSMatthew Ahrens 5130e144c4e6SPavel Zakharov /* 5131e144c4e6SPavel Zakharov * Do not fail spa_load when spa_load_verify fails. This is needed 5132e144c4e6SPavel Zakharov * to load non-idle pools. 5133e144c4e6SPavel Zakharov */ 5134e144c4e6SPavel Zakharov spa_load_verify_dryrun = B_TRUE; 5135e144c4e6SPavel Zakharov 5136fa9e4066Sahrens kernel_init(FREAD); 5137de6628f0Sck g_zfs = libzfs_init(); 513891ebeef5Sahrens ASSERT(g_zfs != NULL); 5139fa9e4066Sahrens 5140b24ab676SJeff Bonwick if (dump_all) 5141b24ab676SJeff Bonwick verbose = MAX(verbose, 1); 5142b24ab676SJeff Bonwick 5143fa9e4066Sahrens for (c = 0; c < 256; c++) { 5144*86714001SSerapheim Dimitropoulos if (dump_all && strchr("AeEFklLOPRSX", c) == NULL) 5145fa9e4066Sahrens dump_opt[c] = 1; 5146fa9e4066Sahrens if (dump_opt[c]) 5147fa9e4066Sahrens dump_opt[c] += verbose; 5148fa9e4066Sahrens } 5149fa9e4066Sahrens 5150feef89cfSVictor Latushkin aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 5151feef89cfSVictor Latushkin zfs_recover = (dump_opt['A'] > 1); 5152feef89cfSVictor Latushkin 5153fa9e4066Sahrens argc -= optind; 5154fa9e4066Sahrens argv += optind; 5155fa9e4066Sahrens 515607428bdfSVictor Latushkin if (argc < 2 && dump_opt['R']) 515707428bdfSVictor Latushkin usage(); 51584923c69fSMatthew Ahrens 51594923c69fSMatthew Ahrens if (dump_opt['E']) { 51604923c69fSMatthew Ahrens if (argc != 1) 51614923c69fSMatthew Ahrens usage(); 51624923c69fSMatthew Ahrens zdb_embedded_block(argv[0]); 51634923c69fSMatthew Ahrens return (0); 51644923c69fSMatthew Ahrens } 51654923c69fSMatthew Ahrens 5166fa9e4066Sahrens if (argc < 1) { 51673ad6c7f9SVictor Latushkin if (!dump_opt['e'] && dump_opt['C']) { 5168e829d913Sck dump_cachefile(spa_config_path); 5169fa9e4066Sahrens return (0); 5170fa9e4066Sahrens } 5171fa9e4066Sahrens usage(); 5172fa9e4066Sahrens } 5173fa9e4066Sahrens 517464723e36SYuri Pankov if (dump_opt['l']) 517564723e36SYuri Pankov return (dump_label(argv[0])); 5176fa9e4066Sahrens 5177ed61ec1dSYuri Pankov if (dump_opt['O']) { 5178ed61ec1dSYuri Pankov if (argc != 2) 5179ed61ec1dSYuri Pankov usage(); 5180ed61ec1dSYuri Pankov dump_opt['v'] = verbose + 3; 5181ed61ec1dSYuri Pankov return (dump_path(argv[0], argv[1])); 5182ed61ec1dSYuri Pankov } 5183ed61ec1dSYuri Pankov 5184c8ee1847SVictor Latushkin if (dump_opt['X'] || dump_opt['F']) 5185c8ee1847SVictor Latushkin rewind = ZPOOL_DO_REWIND | 5186c8ee1847SVictor Latushkin (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 5187c8ee1847SVictor Latushkin 5188c8ee1847SVictor Latushkin if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 5189c8ee1847SVictor Latushkin nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 5190c8ee1847SVictor Latushkin nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 5191c8ee1847SVictor Latushkin fatal("internal error: %s", strerror(ENOMEM)); 5192c8ee1847SVictor Latushkin 5193c5904d13Seschrock error = 0; 51943ad6c7f9SVictor Latushkin target = argv[0]; 5195990b4856Slling 51963ad6c7f9SVictor Latushkin if (dump_opt['e']) { 51973ad6c7f9SVictor Latushkin char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 5198990b4856Slling 51993ad6c7f9SVictor Latushkin error = ENOENT; 52003ad6c7f9SVictor Latushkin if (name) { 520107428bdfSVictor Latushkin if (dump_opt['C'] > 1) { 520207428bdfSVictor Latushkin (void) printf("\nConfiguration for import:\n"); 520307428bdfSVictor Latushkin dump_nvlist(cfg, 8); 520407428bdfSVictor Latushkin } 5205*86714001SSerapheim Dimitropoulos 5206c8ee1847SVictor Latushkin if (nvlist_add_nvlist(cfg, 5207468c413aSTim Haley ZPOOL_REWIND_POLICY, policy) != 0) { 5208468c413aSTim Haley fatal("can't open '%s': %s", 5209468c413aSTim Haley target, strerror(ENOMEM)); 5210468c413aSTim Haley } 5211dfd5965fSRichard Yao error = spa_import(name, cfg, NULL, flags); 5212de6628f0Sck } 5213c5904d13Seschrock } 5214c5904d13Seschrock 5215*86714001SSerapheim Dimitropoulos char *checkpoint_pool = NULL; 5216*86714001SSerapheim Dimitropoulos char *checkpoint_target = NULL; 5217*86714001SSerapheim Dimitropoulos if (dump_opt['k']) { 5218*86714001SSerapheim Dimitropoulos checkpoint_pool = import_checkpointed_state(target, cfg, 5219*86714001SSerapheim Dimitropoulos &checkpoint_target); 5220*86714001SSerapheim Dimitropoulos 5221*86714001SSerapheim Dimitropoulos if (checkpoint_target != NULL) 5222*86714001SSerapheim Dimitropoulos target = checkpoint_target; 5223*86714001SSerapheim Dimitropoulos 5224*86714001SSerapheim Dimitropoulos } 5225*86714001SSerapheim Dimitropoulos 5226b702644aSTim Chase if (strpbrk(target, "/@") != NULL) { 5227b702644aSTim Chase size_t targetlen; 5228b702644aSTim Chase 5229b702644aSTim Chase target_is_spa = B_FALSE; 5230b702644aSTim Chase /* 5231b702644aSTim Chase * Remove any trailing slash. Later code would get confused 5232b702644aSTim Chase * by it, but we want to allow it so that "pool/" can 5233b702644aSTim Chase * indicate that we want to dump the topmost filesystem, 5234b702644aSTim Chase * rather than the whole pool. 5235b702644aSTim Chase */ 5236b702644aSTim Chase targetlen = strlen(target); 5237b702644aSTim Chase if (targetlen != 0 && target[targetlen - 1] == '/') 5238b702644aSTim Chase target[targetlen - 1] = '\0'; 5239b702644aSTim Chase } 5240b702644aSTim Chase 5241c5904d13Seschrock if (error == 0) { 5242*86714001SSerapheim Dimitropoulos if (dump_opt['k'] && (target_is_spa || dump_opt['R'])) { 5243*86714001SSerapheim Dimitropoulos ASSERT(checkpoint_pool != NULL); 5244*86714001SSerapheim Dimitropoulos ASSERT(checkpoint_target == NULL); 5245*86714001SSerapheim Dimitropoulos 5246*86714001SSerapheim Dimitropoulos error = spa_open(checkpoint_pool, &spa, FTAG); 5247*86714001SSerapheim Dimitropoulos if (error != 0) { 5248*86714001SSerapheim Dimitropoulos fatal("Tried to open pool \"%s\" but " 5249*86714001SSerapheim Dimitropoulos "spa_open() failed with error %d\n", 5250*86714001SSerapheim Dimitropoulos checkpoint_pool, error); 5251*86714001SSerapheim Dimitropoulos } 5252*86714001SSerapheim Dimitropoulos 5253*86714001SSerapheim Dimitropoulos } else if (target_is_spa || dump_opt['R']) { 525480eb36f2SGeorge Wilson error = spa_open_rewind(target, &spa, FTAG, policy, 525580eb36f2SGeorge Wilson NULL); 52568f18d1faSGeorge Wilson if (error) { 52578f18d1faSGeorge Wilson /* 52588f18d1faSGeorge Wilson * If we're missing the log device then 52598f18d1faSGeorge Wilson * try opening the pool after clearing the 52608f18d1faSGeorge Wilson * log state. 52618f18d1faSGeorge Wilson */ 52628f18d1faSGeorge Wilson mutex_enter(&spa_namespace_lock); 52633ad6c7f9SVictor Latushkin if ((spa = spa_lookup(target)) != NULL && 52648f18d1faSGeorge Wilson spa->spa_log_state == SPA_LOG_MISSING) { 52658f18d1faSGeorge Wilson spa->spa_log_state = SPA_LOG_CLEAR; 52668f18d1faSGeorge Wilson error = 0; 52678f18d1faSGeorge Wilson } 52688f18d1faSGeorge Wilson mutex_exit(&spa_namespace_lock); 52698f18d1faSGeorge Wilson 527080eb36f2SGeorge Wilson if (!error) { 527180eb36f2SGeorge Wilson error = spa_open_rewind(target, &spa, 527280eb36f2SGeorge Wilson FTAG, policy, NULL); 527380eb36f2SGeorge Wilson } 52748f18d1faSGeorge Wilson } 527507428bdfSVictor Latushkin } else { 5276ed61ec1dSYuri Pankov error = open_objset(target, DMU_OST_ANY, FTAG, &os); 5277c5904d13Seschrock } 5278fa9e4066Sahrens } 527980eb36f2SGeorge Wilson nvlist_free(policy); 528080eb36f2SGeorge Wilson 5281fa9e4066Sahrens if (error) 52823ad6c7f9SVictor Latushkin fatal("can't open '%s': %s", target, strerror(error)); 5283fa9e4066Sahrens 5284fa9e4066Sahrens argv++; 528507428bdfSVictor Latushkin argc--; 528607428bdfSVictor Latushkin if (!dump_opt['R']) { 528707428bdfSVictor Latushkin if (argc > 0) { 528807428bdfSVictor Latushkin zopt_objects = argc; 528907428bdfSVictor Latushkin zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 52903f7978d0SAlan Somers for (unsigned i = 0; i < zopt_objects; i++) { 529107428bdfSVictor Latushkin errno = 0; 529207428bdfSVictor Latushkin zopt_object[i] = strtoull(argv[i], NULL, 0); 529307428bdfSVictor Latushkin if (zopt_object[i] == 0 && errno != 0) 529487219db7SVictor Latushkin fatal("bad number %s: %s", 529507428bdfSVictor Latushkin argv[i], strerror(errno)); 529607428bdfSVictor Latushkin } 5297fa9e4066Sahrens } 5298e690fb27SChristopher Siden if (os != NULL) { 5299e690fb27SChristopher Siden dump_dir(os); 5300e690fb27SChristopher Siden } else if (zopt_objects > 0 && !dump_opt['m']) { 5301e690fb27SChristopher Siden dump_dir(spa->spa_meta_objset); 5302e690fb27SChristopher Siden } else { 5303e690fb27SChristopher Siden dump_zpool(spa); 5304e690fb27SChristopher Siden } 5305fa9e4066Sahrens } else { 530607428bdfSVictor Latushkin flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 530707428bdfSVictor Latushkin flagbits['c'] = ZDB_FLAG_CHECKSUM; 530807428bdfSVictor Latushkin flagbits['d'] = ZDB_FLAG_DECOMPRESS; 530907428bdfSVictor Latushkin flagbits['e'] = ZDB_FLAG_BSWAP; 531007428bdfSVictor Latushkin flagbits['g'] = ZDB_FLAG_GBH; 531107428bdfSVictor Latushkin flagbits['i'] = ZDB_FLAG_INDIRECT; 531207428bdfSVictor Latushkin flagbits['p'] = ZDB_FLAG_PHYS; 531307428bdfSVictor Latushkin flagbits['r'] = ZDB_FLAG_RAW; 531407428bdfSVictor Latushkin 53153f7978d0SAlan Somers for (int i = 0; i < argc; i++) 531607428bdfSVictor Latushkin zdb_read_block(argv[i], spa); 5317fa9e4066Sahrens } 5318fa9e4066Sahrens 5319*86714001SSerapheim Dimitropoulos if (dump_opt['k']) { 5320*86714001SSerapheim Dimitropoulos free(checkpoint_pool); 5321*86714001SSerapheim Dimitropoulos if (!target_is_spa) 5322*86714001SSerapheim Dimitropoulos free(checkpoint_target); 5323*86714001SSerapheim Dimitropoulos } 5324*86714001SSerapheim Dimitropoulos 5325ed61ec1dSYuri Pankov if (os != NULL) 5326ed61ec1dSYuri Pankov close_objset(os, FTAG); 5327ed61ec1dSYuri Pankov else 5328ed61ec1dSYuri Pankov spa_close(spa, FTAG); 532907428bdfSVictor Latushkin 5330e0d35c44Smarks fuid_table_destroy(); 5331e0d35c44Smarks 533229bdd2f9SPavel Zakharov dump_debug_buffer(); 533329bdd2f9SPavel Zakharov 5334de6628f0Sck libzfs_fini(g_zfs); 5335fa9e4066Sahrens kernel_fini(); 5336fa9e4066Sahrens 5337fa9e4066Sahrens return (0); 5338fa9e4066Sahrens } 5339