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 */ 21fa9e4066Sahrens /* 22d41c4376SMark J Musante * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #include <stdio.h> 27004388ebScasper #include <stdio_ext.h> 28fa9e4066Sahrens #include <stdlib.h> 2944cd46caSbillm #include <ctype.h> 30fa9e4066Sahrens #include <sys/zfs_context.h> 31fa9e4066Sahrens #include <sys/spa.h> 32fa9e4066Sahrens #include <sys/spa_impl.h> 33fa9e4066Sahrens #include <sys/dmu.h> 34fa9e4066Sahrens #include <sys/zap.h> 35fa9e4066Sahrens #include <sys/fs/zfs.h> 36fa9e4066Sahrens #include <sys/zfs_znode.h> 37fa9e4066Sahrens #include <sys/vdev.h> 38fa9e4066Sahrens #include <sys/vdev_impl.h> 39fa9e4066Sahrens #include <sys/metaslab_impl.h> 40fa9e4066Sahrens #include <sys/dmu_objset.h> 41fa9e4066Sahrens #include <sys/dsl_dir.h> 42fa9e4066Sahrens #include <sys/dsl_dataset.h> 43fa9e4066Sahrens #include <sys/dsl_pool.h> 44fa9e4066Sahrens #include <sys/dbuf.h> 45fa9e4066Sahrens #include <sys/zil.h> 46fa9e4066Sahrens #include <sys/zil_impl.h> 47fa9e4066Sahrens #include <sys/stat.h> 48fa9e4066Sahrens #include <sys/resource.h> 49fa9e4066Sahrens #include <sys/dmu_traverse.h> 50fa9e4066Sahrens #include <sys/zio_checksum.h> 51fa9e4066Sahrens #include <sys/zio_compress.h> 52e0d35c44Smarks #include <sys/zfs_fuid.h> 5388b7b0f2SMatthew Ahrens #include <sys/arc.h> 54b24ab676SJeff Bonwick #include <sys/ddt.h> 55de6628f0Sck #undef ZFS_MAXNAMELEN 56de6628f0Sck #undef verify 57de6628f0Sck #include <libzfs.h> 58fa9e4066Sahrens 596de8f417SVictor Latushkin #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 606de8f417SVictor Latushkin zio_compress_table[(idx)].ci_name : "UNKNOWN") 616de8f417SVictor Latushkin #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 626de8f417SVictor Latushkin zio_checksum_table[(idx)].ci_name : "UNKNOWN") 636de8f417SVictor Latushkin #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 646de8f417SVictor Latushkin dmu_ot[(idx)].ot_name : "UNKNOWN") 656de8f417SVictor Latushkin #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES) 666de8f417SVictor Latushkin 67feef89cfSVictor Latushkin #ifndef lint 68feef89cfSVictor Latushkin extern int zfs_recover; 69feef89cfSVictor Latushkin #else 70feef89cfSVictor Latushkin int zfs_recover; 71feef89cfSVictor Latushkin #endif 72feef89cfSVictor Latushkin 73fa9e4066Sahrens const char cmdname[] = "zdb"; 74fa9e4066Sahrens uint8_t dump_opt[256]; 75fa9e4066Sahrens 76fa9e4066Sahrens typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 77fa9e4066Sahrens 78fa9e4066Sahrens extern void dump_intent_log(zilog_t *); 79fa9e4066Sahrens uint64_t *zopt_object = NULL; 80fa9e4066Sahrens int zopt_objects = 0; 81de6628f0Sck libzfs_handle_t *g_zfs; 82fa9e4066Sahrens 83fa9e4066Sahrens /* 84fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 85fa9e4066Sahrens * debugging facilities. 86fa9e4066Sahrens */ 87fa9e4066Sahrens const char * 88fa9e4066Sahrens _umem_debug_init() 89fa9e4066Sahrens { 90fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 91fa9e4066Sahrens } 92fa9e4066Sahrens 93fa9e4066Sahrens const char * 94fa9e4066Sahrens _umem_logging_init(void) 95fa9e4066Sahrens { 96fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 97fa9e4066Sahrens } 98fa9e4066Sahrens 99fa9e4066Sahrens static void 100fa9e4066Sahrens usage(void) 101fa9e4066Sahrens { 102fa9e4066Sahrens (void) fprintf(stderr, 103*f0ba89beSJeff Bonwick "Usage: %s [-CumdibcsDvhL] poolname [object...]\n" 1043ad6c7f9SVictor Latushkin " %s [-div] dataset [object...]\n" 10587219db7SVictor Latushkin " %s -m [-L] poolname [vdev [metaslab...]]\n" 10607428bdfSVictor Latushkin " %s -R poolname vdev:offset:size[:flags]\n" 107bbfd46c4SJeff Bonwick " %s -S poolname\n" 10853b9a4a9SVictor Latushkin " %s -l [-u] device\n" 10907428bdfSVictor Latushkin " %s -C\n\n", 110bbfd46c4SJeff Bonwick cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 1113ad6c7f9SVictor Latushkin 1123ad6c7f9SVictor Latushkin (void) fprintf(stderr, " Dataset name must include at least one " 1133ad6c7f9SVictor Latushkin "separator character '/' or '@'\n"); 1143ad6c7f9SVictor Latushkin (void) fprintf(stderr, " If dataset name is specified, only that " 1153ad6c7f9SVictor Latushkin "dataset is dumped\n"); 1163ad6c7f9SVictor Latushkin (void) fprintf(stderr, " If object numbers are specified, only " 1173ad6c7f9SVictor Latushkin "those objects are dumped\n\n"); 1183ad6c7f9SVictor Latushkin (void) fprintf(stderr, " Options to control amount of output:\n"); 1193ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -u uberblock\n"); 1203ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -d dataset(s)\n"); 1213ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -i intent logs\n"); 12207428bdfSVictor Latushkin (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 1238f18d1faSGeorge Wilson (void) fprintf(stderr, " -h pool history\n"); 1243ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -b block statistics\n"); 1253ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -m metaslabs\n"); 1263ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -c checksum all metadata (twice for " 1276365109dSVictor Latushkin "all data) blocks\n"); 1283ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 129*f0ba89beSJeff Bonwick (void) fprintf(stderr, " -D dedup statistics\n"); 130b24ab676SJeff Bonwick (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 1313ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 132fa9e4066Sahrens (void) fprintf(stderr, " -l dump label contents\n"); 13382a0a985SVictor Latushkin (void) fprintf(stderr, " -L disable leak tracking (do not " 13482a0a985SVictor Latushkin "load spacemaps)\n"); 135d41e7643Sek (void) fprintf(stderr, " -R read and display block from a " 1363ad6c7f9SVictor Latushkin "device\n\n"); 1373ad6c7f9SVictor Latushkin (void) fprintf(stderr, " Below options are intended for use " 1383ad6c7f9SVictor Latushkin "with other options (except -l):\n"); 139feef89cfSVictor Latushkin (void) fprintf(stderr, " -A ignore assertions (-A), enable " 140feef89cfSVictor Latushkin "panic recovery (-AA) or both (-AAA)\n"); 141c8ee1847SVictor Latushkin (void) fprintf(stderr, " -F attempt automatic rewind within " 142c8ee1847SVictor Latushkin "safe range of transaction groups\n"); 1433ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 1443ad6c7f9SVictor Latushkin "cachefile\n"); 145c8ee1847SVictor Latushkin (void) fprintf(stderr, " -X attempt extreme rewind (does not " 146c8ee1847SVictor Latushkin "work with dataset)\n"); 1473ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -e pool is exported/destroyed/" 1483ad6c7f9SVictor Latushkin "has altroot/not in a cachefile\n"); 1493ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -p <path> -- use one or more with " 1503ad6c7f9SVictor Latushkin "-e to specify path to vdev dir\n"); 1513ad6c7f9SVictor Latushkin (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 1522e551927SVictor Latushkin "searching for uberblocks\n"); 153fa9e4066Sahrens (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 154fa9e4066Sahrens "to make only that option verbose\n"); 155fa9e4066Sahrens (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 156fa9e4066Sahrens exit(1); 157fa9e4066Sahrens } 158fa9e4066Sahrens 159ccba0801SRich Morris /* 160ccba0801SRich Morris * Called for usage errors that are discovered after a call to spa_open(), 161ccba0801SRich Morris * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 162ccba0801SRich Morris */ 163ccba0801SRich Morris 164fa9e4066Sahrens static void 165fa9e4066Sahrens fatal(const char *fmt, ...) 166fa9e4066Sahrens { 167fa9e4066Sahrens va_list ap; 168fa9e4066Sahrens 169fa9e4066Sahrens va_start(ap, fmt); 170fa9e4066Sahrens (void) fprintf(stderr, "%s: ", cmdname); 171fa9e4066Sahrens (void) vfprintf(stderr, fmt, ap); 172fa9e4066Sahrens va_end(ap); 173fa9e4066Sahrens (void) fprintf(stderr, "\n"); 174fa9e4066Sahrens 175ccba0801SRich Morris exit(1); 176fa9e4066Sahrens } 177fa9e4066Sahrens 178fa9e4066Sahrens /* ARGSUSED */ 179fa9e4066Sahrens static void 180fa9e4066Sahrens dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 181fa9e4066Sahrens { 182fa9e4066Sahrens nvlist_t *nv; 183fa9e4066Sahrens size_t nvsize = *(uint64_t *)data; 184fa9e4066Sahrens char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 185fa9e4066Sahrens 1867bfdf011SNeil Perrin VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 187fa9e4066Sahrens 188fa9e4066Sahrens VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 189fa9e4066Sahrens 190fa9e4066Sahrens umem_free(packed, nvsize); 191fa9e4066Sahrens 192fa9e4066Sahrens dump_nvlist(nv, 8); 193fa9e4066Sahrens 194fa9e4066Sahrens nvlist_free(nv); 195fa9e4066Sahrens } 196fa9e4066Sahrens 197fa9e4066Sahrens const char dump_zap_stars[] = "****************************************"; 198fa9e4066Sahrens const int dump_zap_width = sizeof (dump_zap_stars) - 1; 199fa9e4066Sahrens 200fa9e4066Sahrens static void 201fa9e4066Sahrens dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 202fa9e4066Sahrens { 203fa9e4066Sahrens int i; 204fa9e4066Sahrens int minidx = ZAP_HISTOGRAM_SIZE - 1; 205fa9e4066Sahrens int maxidx = 0; 206fa9e4066Sahrens uint64_t max = 0; 207fa9e4066Sahrens 208fa9e4066Sahrens for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 209fa9e4066Sahrens if (histo[i] > max) 210fa9e4066Sahrens max = histo[i]; 211fa9e4066Sahrens if (histo[i] > 0 && i > maxidx) 212fa9e4066Sahrens maxidx = i; 213fa9e4066Sahrens if (histo[i] > 0 && i < minidx) 214fa9e4066Sahrens minidx = i; 215fa9e4066Sahrens } 216fa9e4066Sahrens 217fa9e4066Sahrens if (max < dump_zap_width) 218fa9e4066Sahrens max = dump_zap_width; 219fa9e4066Sahrens 220fa9e4066Sahrens for (i = minidx; i <= maxidx; i++) 221fa9e4066Sahrens (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 222fa9e4066Sahrens &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 223fa9e4066Sahrens } 224fa9e4066Sahrens 225fa9e4066Sahrens static void 226fa9e4066Sahrens dump_zap_stats(objset_t *os, uint64_t object) 227fa9e4066Sahrens { 228fa9e4066Sahrens int error; 229fa9e4066Sahrens zap_stats_t zs; 230fa9e4066Sahrens 231fa9e4066Sahrens error = zap_get_stats(os, object, &zs); 232fa9e4066Sahrens if (error) 233fa9e4066Sahrens return; 234fa9e4066Sahrens 235fa9e4066Sahrens if (zs.zs_ptrtbl_len == 0) { 236fa9e4066Sahrens ASSERT(zs.zs_num_blocks == 1); 237fa9e4066Sahrens (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 238fa9e4066Sahrens (u_longlong_t)zs.zs_blocksize, 239fa9e4066Sahrens (u_longlong_t)zs.zs_num_entries); 240fa9e4066Sahrens return; 241fa9e4066Sahrens } 242fa9e4066Sahrens 243fa9e4066Sahrens (void) printf("\tFat ZAP stats:\n"); 2448248818dSnd 2458248818dSnd (void) printf("\t\tPointer table:\n"); 2468248818dSnd (void) printf("\t\t\t%llu elements\n", 247fa9e4066Sahrens (u_longlong_t)zs.zs_ptrtbl_len); 2488248818dSnd (void) printf("\t\t\tzt_blk: %llu\n", 2498248818dSnd (u_longlong_t)zs.zs_ptrtbl_zt_blk); 2508248818dSnd (void) printf("\t\t\tzt_numblks: %llu\n", 2518248818dSnd (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 2528248818dSnd (void) printf("\t\t\tzt_shift: %llu\n", 2538248818dSnd (u_longlong_t)zs.zs_ptrtbl_zt_shift); 2548248818dSnd (void) printf("\t\t\tzt_blks_copied: %llu\n", 2558248818dSnd (u_longlong_t)zs.zs_ptrtbl_blks_copied); 2568248818dSnd (void) printf("\t\t\tzt_nextblk: %llu\n", 2578248818dSnd (u_longlong_t)zs.zs_ptrtbl_nextblk); 2588248818dSnd 259fa9e4066Sahrens (void) printf("\t\tZAP entries: %llu\n", 260fa9e4066Sahrens (u_longlong_t)zs.zs_num_entries); 261fa9e4066Sahrens (void) printf("\t\tLeaf blocks: %llu\n", 262fa9e4066Sahrens (u_longlong_t)zs.zs_num_leafs); 263fa9e4066Sahrens (void) printf("\t\tTotal blocks: %llu\n", 264fa9e4066Sahrens (u_longlong_t)zs.zs_num_blocks); 2658248818dSnd (void) printf("\t\tzap_block_type: 0x%llx\n", 2668248818dSnd (u_longlong_t)zs.zs_block_type); 2678248818dSnd (void) printf("\t\tzap_magic: 0x%llx\n", 2688248818dSnd (u_longlong_t)zs.zs_magic); 2698248818dSnd (void) printf("\t\tzap_salt: 0x%llx\n", 2708248818dSnd (u_longlong_t)zs.zs_salt); 271fa9e4066Sahrens 272fa9e4066Sahrens (void) printf("\t\tLeafs with 2^n pointers:\n"); 273fa9e4066Sahrens dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 274fa9e4066Sahrens 275fa9e4066Sahrens (void) printf("\t\tBlocks with n*5 entries:\n"); 276fa9e4066Sahrens dump_zap_histogram(zs.zs_blocks_with_n5_entries); 277fa9e4066Sahrens 278fa9e4066Sahrens (void) printf("\t\tBlocks n/10 full:\n"); 279fa9e4066Sahrens dump_zap_histogram(zs.zs_blocks_n_tenths_full); 280fa9e4066Sahrens 281fa9e4066Sahrens (void) printf("\t\tEntries with n chunks:\n"); 282fa9e4066Sahrens dump_zap_histogram(zs.zs_entries_using_n_chunks); 283fa9e4066Sahrens 284fa9e4066Sahrens (void) printf("\t\tBuckets with n entries:\n"); 285fa9e4066Sahrens dump_zap_histogram(zs.zs_buckets_with_n_entries); 286fa9e4066Sahrens } 287fa9e4066Sahrens 288fa9e4066Sahrens /*ARGSUSED*/ 289fa9e4066Sahrens static void 290fa9e4066Sahrens dump_none(objset_t *os, uint64_t object, void *data, size_t size) 291fa9e4066Sahrens { 292fa9e4066Sahrens } 293fa9e4066Sahrens 2946de8f417SVictor Latushkin /*ARGSUSED*/ 2956de8f417SVictor Latushkin static void 2966de8f417SVictor Latushkin dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 2976de8f417SVictor Latushkin { 2986de8f417SVictor Latushkin (void) printf("\tUNKNOWN OBJECT TYPE\n"); 2996de8f417SVictor Latushkin } 3006de8f417SVictor Latushkin 301fa9e4066Sahrens /*ARGSUSED*/ 302fa9e4066Sahrens void 303fa9e4066Sahrens dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 304fa9e4066Sahrens { 305fa9e4066Sahrens } 306fa9e4066Sahrens 307fa9e4066Sahrens /*ARGSUSED*/ 308fa9e4066Sahrens static void 309fa9e4066Sahrens dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 310fa9e4066Sahrens { 311fa9e4066Sahrens } 312fa9e4066Sahrens 313fa9e4066Sahrens /*ARGSUSED*/ 314fa9e4066Sahrens static void 315fa9e4066Sahrens dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 316fa9e4066Sahrens { 317fa9e4066Sahrens zap_cursor_t zc; 318fa9e4066Sahrens zap_attribute_t attr; 319fa9e4066Sahrens void *prop; 320fa9e4066Sahrens int i; 321fa9e4066Sahrens 322fa9e4066Sahrens dump_zap_stats(os, object); 323fa9e4066Sahrens (void) printf("\n"); 324fa9e4066Sahrens 325fa9e4066Sahrens for (zap_cursor_init(&zc, os, object); 326fa9e4066Sahrens zap_cursor_retrieve(&zc, &attr) == 0; 327fa9e4066Sahrens zap_cursor_advance(&zc)) { 328fa9e4066Sahrens (void) printf("\t\t%s = ", attr.za_name); 329fa9e4066Sahrens if (attr.za_num_integers == 0) { 330fa9e4066Sahrens (void) printf("\n"); 331fa9e4066Sahrens continue; 332fa9e4066Sahrens } 333fa9e4066Sahrens prop = umem_zalloc(attr.za_num_integers * 334fa9e4066Sahrens attr.za_integer_length, UMEM_NOFAIL); 335fa9e4066Sahrens (void) zap_lookup(os, object, attr.za_name, 336fa9e4066Sahrens attr.za_integer_length, attr.za_num_integers, prop); 337fa9e4066Sahrens if (attr.za_integer_length == 1) { 338fa9e4066Sahrens (void) printf("%s", (char *)prop); 339fa9e4066Sahrens } else { 340fa9e4066Sahrens for (i = 0; i < attr.za_num_integers; i++) { 341fa9e4066Sahrens switch (attr.za_integer_length) { 342fa9e4066Sahrens case 2: 343fa9e4066Sahrens (void) printf("%u ", 344fa9e4066Sahrens ((uint16_t *)prop)[i]); 345fa9e4066Sahrens break; 346fa9e4066Sahrens case 4: 347fa9e4066Sahrens (void) printf("%u ", 348fa9e4066Sahrens ((uint32_t *)prop)[i]); 349fa9e4066Sahrens break; 350fa9e4066Sahrens case 8: 351fa9e4066Sahrens (void) printf("%lld ", 352fa9e4066Sahrens (u_longlong_t)((int64_t *)prop)[i]); 353fa9e4066Sahrens break; 354fa9e4066Sahrens } 355fa9e4066Sahrens } 356fa9e4066Sahrens } 357fa9e4066Sahrens (void) printf("\n"); 358fa9e4066Sahrens umem_free(prop, attr.za_num_integers * attr.za_integer_length); 359fa9e4066Sahrens } 36087e5029aSahrens zap_cursor_fini(&zc); 361fa9e4066Sahrens } 362fa9e4066Sahrens 363486ae710SMatthew Ahrens /*ARGSUSED*/ 364486ae710SMatthew Ahrens static void 365486ae710SMatthew Ahrens dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 366486ae710SMatthew Ahrens { 367486ae710SMatthew Ahrens dump_zap_stats(os, object); 368486ae710SMatthew Ahrens /* contents are printed elsewhere, properly decoded */ 369486ae710SMatthew Ahrens } 370486ae710SMatthew Ahrens 371e7437265Sahrens /*ARGSUSED*/ 372e7437265Sahrens static void 373e7437265Sahrens dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 374e7437265Sahrens { 375e7437265Sahrens zap_cursor_t zc; 376e7437265Sahrens zap_attribute_t attr; 377e7437265Sahrens const char *typenames[] = { 378e7437265Sahrens /* 0 */ "not specified", 379e7437265Sahrens /* 1 */ "FIFO", 380e7437265Sahrens /* 2 */ "Character Device", 381e7437265Sahrens /* 3 */ "3 (invalid)", 382e7437265Sahrens /* 4 */ "Directory", 383e7437265Sahrens /* 5 */ "5 (invalid)", 384e7437265Sahrens /* 6 */ "Block Device", 385e7437265Sahrens /* 7 */ "7 (invalid)", 386e7437265Sahrens /* 8 */ "Regular File", 387e7437265Sahrens /* 9 */ "9 (invalid)", 388e7437265Sahrens /* 10 */ "Symbolic Link", 389e7437265Sahrens /* 11 */ "11 (invalid)", 390e7437265Sahrens /* 12 */ "Socket", 391e7437265Sahrens /* 13 */ "Door", 392e7437265Sahrens /* 14 */ "Event Port", 393e7437265Sahrens /* 15 */ "15 (invalid)", 394e7437265Sahrens }; 395e7437265Sahrens 396e7437265Sahrens dump_zap_stats(os, object); 397e7437265Sahrens (void) printf("\n"); 398e7437265Sahrens 399e7437265Sahrens for (zap_cursor_init(&zc, os, object); 400e7437265Sahrens zap_cursor_retrieve(&zc, &attr) == 0; 401e7437265Sahrens zap_cursor_advance(&zc)) { 402e7437265Sahrens (void) printf("\t\t%s = %lld (type: %s)\n", 403e7437265Sahrens attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 404e7437265Sahrens typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 405e7437265Sahrens } 406e7437265Sahrens zap_cursor_fini(&zc); 407e7437265Sahrens } 408e7437265Sahrens 409fa9e4066Sahrens static void 410fa9e4066Sahrens dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 411fa9e4066Sahrens { 412fa9e4066Sahrens uint64_t alloc, offset, entry; 413ecc2d604Sbonwick uint8_t mapshift = sm->sm_shift; 414fa9e4066Sahrens uint64_t mapstart = sm->sm_start; 4158053a263Sck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 4168053a263Sck "INVALID", "INVALID", "INVALID", "INVALID" }; 417fa9e4066Sahrens 418fa9e4066Sahrens if (smo->smo_object == 0) 419fa9e4066Sahrens return; 420fa9e4066Sahrens 421fa9e4066Sahrens /* 422fa9e4066Sahrens * Print out the freelist entries in both encoded and decoded form. 423fa9e4066Sahrens */ 424fa9e4066Sahrens alloc = 0; 425fa9e4066Sahrens for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 426ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, smo->smo_object, offset, 4277bfdf011SNeil Perrin sizeof (entry), &entry, DMU_READ_PREFETCH)); 428fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 42987219db7SVictor Latushkin (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 430fa9e4066Sahrens (u_longlong_t)(offset / sizeof (entry)), 431fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 4325ad82045Snd (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 4335ad82045Snd (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 434fa9e4066Sahrens } else { 43587219db7SVictor Latushkin (void) printf("\t [%6llu] %c range:" 43687219db7SVictor Latushkin " %010llx-%010llx size: %06llx\n", 437fa9e4066Sahrens (u_longlong_t)(offset / sizeof (entry)), 438fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 4395ad82045Snd (u_longlong_t)((SM_OFFSET_DECODE(entry) << 4405ad82045Snd mapshift) + mapstart), 4415ad82045Snd (u_longlong_t)((SM_OFFSET_DECODE(entry) << 4425ad82045Snd mapshift) + mapstart + (SM_RUN_DECODE(entry) << 4435ad82045Snd mapshift)), 4445ad82045Snd (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 445fa9e4066Sahrens if (SM_TYPE_DECODE(entry) == SM_ALLOC) 446fa9e4066Sahrens alloc += SM_RUN_DECODE(entry) << mapshift; 447fa9e4066Sahrens else 448fa9e4066Sahrens alloc -= SM_RUN_DECODE(entry) << mapshift; 449fa9e4066Sahrens } 450fa9e4066Sahrens } 451fa9e4066Sahrens if (alloc != smo->smo_alloc) { 452fa9e4066Sahrens (void) printf("space_map_object alloc (%llu) INCONSISTENT " 453fa9e4066Sahrens "with space map summary (%llu)\n", 454fa9e4066Sahrens (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 455fa9e4066Sahrens } 456fa9e4066Sahrens } 457fa9e4066Sahrens 458d6e555bdSGeorge Wilson static void 459d6e555bdSGeorge Wilson dump_metaslab_stats(metaslab_t *msp) 460d6e555bdSGeorge Wilson { 461d6e555bdSGeorge Wilson char maxbuf[5]; 462d6e555bdSGeorge Wilson space_map_t *sm = &msp->ms_map; 463d6e555bdSGeorge Wilson avl_tree_t *t = sm->sm_pp_root; 464d6e555bdSGeorge Wilson int free_pct = sm->sm_space * 100 / sm->sm_size; 465d6e555bdSGeorge Wilson 466d6e555bdSGeorge Wilson nicenum(space_map_maxsize(sm), maxbuf); 467d6e555bdSGeorge Wilson 46887219db7SVictor Latushkin (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 469d6e555bdSGeorge Wilson "segments", avl_numnodes(t), "maxsize", maxbuf, 470d6e555bdSGeorge Wilson "freepct", free_pct); 471d6e555bdSGeorge Wilson } 472d6e555bdSGeorge Wilson 473fa9e4066Sahrens static void 474fa9e4066Sahrens dump_metaslab(metaslab_t *msp) 475fa9e4066Sahrens { 476fa9e4066Sahrens vdev_t *vd = msp->ms_group->mg_vd; 477fa9e4066Sahrens spa_t *spa = vd->vdev_spa; 47880eb36f2SGeorge Wilson space_map_t *sm = &msp->ms_map; 47980eb36f2SGeorge Wilson space_map_obj_t *smo = &msp->ms_smo; 48080eb36f2SGeorge Wilson char freebuf[5]; 481fa9e4066Sahrens 48280eb36f2SGeorge Wilson nicenum(sm->sm_size - smo->smo_alloc, freebuf); 483fa9e4066Sahrens 484fa9e4066Sahrens (void) printf( 48587219db7SVictor Latushkin "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 48680eb36f2SGeorge Wilson (u_longlong_t)(sm->sm_start / sm->sm_size), 48780eb36f2SGeorge Wilson (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf); 488fa9e4066Sahrens 48987219db7SVictor Latushkin if (dump_opt['m'] > 1 && !dump_opt['L']) { 490d6e555bdSGeorge Wilson mutex_enter(&msp->ms_lock); 49180eb36f2SGeorge Wilson space_map_load_wait(sm); 492bc3975b5SVictor Latushkin if (!sm->sm_loaded) 49380eb36f2SGeorge Wilson VERIFY(space_map_load(sm, zfs_metaslab_ops, 49480eb36f2SGeorge Wilson SM_FREE, smo, spa->spa_meta_objset) == 0); 495bc3975b5SVictor Latushkin dump_metaslab_stats(msp); 496bc3975b5SVictor Latushkin space_map_unload(sm); 497d6e555bdSGeorge Wilson mutex_exit(&msp->ms_lock); 498d6e555bdSGeorge Wilson } 499d6e555bdSGeorge Wilson 500d6e555bdSGeorge Wilson if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 50180eb36f2SGeorge Wilson ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift)); 502d6e555bdSGeorge Wilson 503d6e555bdSGeorge Wilson mutex_enter(&msp->ms_lock); 50480eb36f2SGeorge Wilson dump_spacemap(spa->spa_meta_objset, smo, sm); 505d6e555bdSGeorge Wilson mutex_exit(&msp->ms_lock); 506d6e555bdSGeorge Wilson } 50787219db7SVictor Latushkin } 508fa9e4066Sahrens 50987219db7SVictor Latushkin static void 51087219db7SVictor Latushkin print_vdev_metaslab_header(vdev_t *vd) 51187219db7SVictor Latushkin { 51287219db7SVictor Latushkin (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 51387219db7SVictor Latushkin (u_longlong_t)vd->vdev_id, 51487219db7SVictor Latushkin "metaslabs", (u_longlong_t)vd->vdev_ms_count, 51587219db7SVictor Latushkin "offset", "spacemap", "free"); 51687219db7SVictor Latushkin (void) printf("\t%15s %19s %15s %10s\n", 51787219db7SVictor Latushkin "---------------", "-------------------", 51887219db7SVictor Latushkin "---------------", "-------------"); 519fa9e4066Sahrens } 520fa9e4066Sahrens 521fa9e4066Sahrens static void 522fa9e4066Sahrens dump_metaslabs(spa_t *spa) 523fa9e4066Sahrens { 52487219db7SVictor Latushkin vdev_t *vd, *rvd = spa->spa_root_vdev; 52587219db7SVictor Latushkin uint64_t m, c = 0, children = rvd->vdev_children; 526fa9e4066Sahrens 527fa9e4066Sahrens (void) printf("\nMetaslabs:\n"); 528fa9e4066Sahrens 52987219db7SVictor Latushkin if (!dump_opt['d'] && zopt_objects > 0) { 53087219db7SVictor Latushkin c = zopt_object[0]; 53187219db7SVictor Latushkin 53287219db7SVictor Latushkin if (c >= children) 53387219db7SVictor Latushkin (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 534fa9e4066Sahrens 53587219db7SVictor Latushkin if (zopt_objects > 1) { 53687219db7SVictor Latushkin vd = rvd->vdev_child[c]; 53787219db7SVictor Latushkin print_vdev_metaslab_header(vd); 53887219db7SVictor Latushkin 53987219db7SVictor Latushkin for (m = 1; m < zopt_objects; m++) { 54087219db7SVictor Latushkin if (zopt_object[m] < vd->vdev_ms_count) 54187219db7SVictor Latushkin dump_metaslab( 54287219db7SVictor Latushkin vd->vdev_ms[zopt_object[m]]); 54387219db7SVictor Latushkin else 54487219db7SVictor Latushkin (void) fprintf(stderr, "bad metaslab " 54587219db7SVictor Latushkin "number %llu\n", 54687219db7SVictor Latushkin (u_longlong_t)zopt_object[m]); 54787219db7SVictor Latushkin } 54887219db7SVictor Latushkin (void) printf("\n"); 54987219db7SVictor Latushkin return; 55087219db7SVictor Latushkin } 55187219db7SVictor Latushkin children = c + 1; 55287219db7SVictor Latushkin } 55387219db7SVictor Latushkin for (; c < children; c++) { 55487219db7SVictor Latushkin vd = rvd->vdev_child[c]; 55587219db7SVictor Latushkin print_vdev_metaslab_header(vd); 556fa9e4066Sahrens 557fa9e4066Sahrens for (m = 0; m < vd->vdev_ms_count; m++) 558fa9e4066Sahrens dump_metaslab(vd->vdev_ms[m]); 559fa9e4066Sahrens (void) printf("\n"); 560fa9e4066Sahrens } 561fa9e4066Sahrens } 562fa9e4066Sahrens 563b24ab676SJeff Bonwick static void 564b24ab676SJeff Bonwick dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 565b24ab676SJeff Bonwick { 566b24ab676SJeff Bonwick const ddt_phys_t *ddp = dde->dde_phys; 567b24ab676SJeff Bonwick const ddt_key_t *ddk = &dde->dde_key; 568b24ab676SJeff Bonwick char *types[4] = { "ditto", "single", "double", "triple" }; 569b24ab676SJeff Bonwick char blkbuf[BP_SPRINTF_LEN]; 570b24ab676SJeff Bonwick blkptr_t blk; 571b24ab676SJeff Bonwick 572b24ab676SJeff Bonwick for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 573b24ab676SJeff Bonwick if (ddp->ddp_phys_birth == 0) 574b24ab676SJeff Bonwick continue; 575bbfd46c4SJeff Bonwick ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 576b24ab676SJeff Bonwick sprintf_blkptr(blkbuf, &blk); 577b24ab676SJeff Bonwick (void) printf("index %llx refcnt %llu %s %s\n", 578b24ab676SJeff Bonwick (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 579b24ab676SJeff Bonwick types[p], blkbuf); 580b24ab676SJeff Bonwick } 581b24ab676SJeff Bonwick } 582b24ab676SJeff Bonwick 583b24ab676SJeff Bonwick static void 584b24ab676SJeff Bonwick dump_dedup_ratio(const ddt_stat_t *dds) 585b24ab676SJeff Bonwick { 586b24ab676SJeff Bonwick double rL, rP, rD, D, dedup, compress, copies; 587b24ab676SJeff Bonwick 588b24ab676SJeff Bonwick if (dds->dds_blocks == 0) 589b24ab676SJeff Bonwick return; 590b24ab676SJeff Bonwick 591b24ab676SJeff Bonwick rL = (double)dds->dds_ref_lsize; 592b24ab676SJeff Bonwick rP = (double)dds->dds_ref_psize; 593b24ab676SJeff Bonwick rD = (double)dds->dds_ref_dsize; 594b24ab676SJeff Bonwick D = (double)dds->dds_dsize; 595b24ab676SJeff Bonwick 596b24ab676SJeff Bonwick dedup = rD / D; 597b24ab676SJeff Bonwick compress = rL / rP; 598b24ab676SJeff Bonwick copies = rD / rP; 599b24ab676SJeff Bonwick 600b24ab676SJeff Bonwick (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 601b24ab676SJeff Bonwick "dedup * compress / copies = %.2f\n\n", 602b24ab676SJeff Bonwick dedup, compress, copies, dedup * compress / copies); 603b24ab676SJeff Bonwick } 604b24ab676SJeff Bonwick 605b24ab676SJeff Bonwick static void 606b24ab676SJeff Bonwick dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 607b24ab676SJeff Bonwick { 608b24ab676SJeff Bonwick char name[DDT_NAMELEN]; 609b24ab676SJeff Bonwick ddt_entry_t dde; 610b24ab676SJeff Bonwick uint64_t walk = 0; 611b24ab676SJeff Bonwick dmu_object_info_t doi; 612b24ab676SJeff Bonwick uint64_t count, dspace, mspace; 613b24ab676SJeff Bonwick int error; 614b24ab676SJeff Bonwick 615b24ab676SJeff Bonwick error = ddt_object_info(ddt, type, class, &doi); 616b24ab676SJeff Bonwick 617b24ab676SJeff Bonwick if (error == ENOENT) 618b24ab676SJeff Bonwick return; 619b24ab676SJeff Bonwick ASSERT(error == 0); 620b24ab676SJeff Bonwick 621b24ab676SJeff Bonwick count = ddt_object_count(ddt, type, class); 622b24ab676SJeff Bonwick dspace = doi.doi_physical_blocks_512 << 9; 623b24ab676SJeff Bonwick mspace = doi.doi_fill_count * doi.doi_data_block_size; 624b24ab676SJeff Bonwick 625b24ab676SJeff Bonwick ASSERT(count != 0); /* we should have destroyed it */ 626b24ab676SJeff Bonwick 627b24ab676SJeff Bonwick ddt_object_name(ddt, type, class, name); 628b24ab676SJeff Bonwick 629b24ab676SJeff Bonwick (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 630b24ab676SJeff Bonwick name, 631b24ab676SJeff Bonwick (u_longlong_t)count, 632b24ab676SJeff Bonwick (u_longlong_t)(dspace / count), 633b24ab676SJeff Bonwick (u_longlong_t)(mspace / count)); 634b24ab676SJeff Bonwick 635b24ab676SJeff Bonwick if (dump_opt['D'] < 3) 636b24ab676SJeff Bonwick return; 637b24ab676SJeff Bonwick 6389eb19f4dSGeorge Wilson zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 639b24ab676SJeff Bonwick 640b24ab676SJeff Bonwick if (dump_opt['D'] < 4) 641b24ab676SJeff Bonwick return; 642b24ab676SJeff Bonwick 643b24ab676SJeff Bonwick if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 644b24ab676SJeff Bonwick return; 645b24ab676SJeff Bonwick 646b24ab676SJeff Bonwick (void) printf("%s contents:\n\n", name); 647b24ab676SJeff Bonwick 648bbfd46c4SJeff Bonwick while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 649b24ab676SJeff Bonwick dump_dde(ddt, &dde, walk); 650b24ab676SJeff Bonwick 651b24ab676SJeff Bonwick ASSERT(error == ENOENT); 652b24ab676SJeff Bonwick 653b24ab676SJeff Bonwick (void) printf("\n"); 654b24ab676SJeff Bonwick } 655b24ab676SJeff Bonwick 656b24ab676SJeff Bonwick static void 657b24ab676SJeff Bonwick dump_all_ddts(spa_t *spa) 658b24ab676SJeff Bonwick { 659b24ab676SJeff Bonwick ddt_histogram_t ddh_total = { 0 }; 660b24ab676SJeff Bonwick ddt_stat_t dds_total = { 0 }; 661b24ab676SJeff Bonwick 662b24ab676SJeff Bonwick for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 663b24ab676SJeff Bonwick ddt_t *ddt = spa->spa_ddt[c]; 664b24ab676SJeff Bonwick for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 665b24ab676SJeff Bonwick for (enum ddt_class class = 0; class < DDT_CLASSES; 666b24ab676SJeff Bonwick class++) { 667b24ab676SJeff Bonwick dump_ddt(ddt, type, class); 668b24ab676SJeff Bonwick } 669b24ab676SJeff Bonwick } 670b24ab676SJeff Bonwick } 671b24ab676SJeff Bonwick 6729eb19f4dSGeorge Wilson ddt_get_dedup_stats(spa, &dds_total); 673b24ab676SJeff Bonwick 674b24ab676SJeff Bonwick if (dds_total.dds_blocks == 0) { 675b24ab676SJeff Bonwick (void) printf("All DDTs are empty\n"); 676b24ab676SJeff Bonwick return; 677b24ab676SJeff Bonwick } 678b24ab676SJeff Bonwick 679b24ab676SJeff Bonwick (void) printf("\n"); 680b24ab676SJeff Bonwick 681b24ab676SJeff Bonwick if (dump_opt['D'] > 1) { 682b24ab676SJeff Bonwick (void) printf("DDT histogram (aggregated over all DDTs):\n"); 6839eb19f4dSGeorge Wilson ddt_get_dedup_histogram(spa, &ddh_total); 6849eb19f4dSGeorge Wilson zpool_dump_ddt(&dds_total, &ddh_total); 685b24ab676SJeff Bonwick } 686b24ab676SJeff Bonwick 687b24ab676SJeff Bonwick dump_dedup_ratio(&dds_total); 688b24ab676SJeff Bonwick } 689b24ab676SJeff Bonwick 6908ad4d6ddSJeff Bonwick static void 6918ad4d6ddSJeff Bonwick dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 6928ad4d6ddSJeff Bonwick { 6938ad4d6ddSJeff Bonwick char *prefix = (void *)sm; 6948ad4d6ddSJeff Bonwick 6958ad4d6ddSJeff Bonwick (void) printf("%s [%llu,%llu) length %llu\n", 6968ad4d6ddSJeff Bonwick prefix, 6978ad4d6ddSJeff Bonwick (u_longlong_t)start, 6988ad4d6ddSJeff Bonwick (u_longlong_t)(start + size), 6998ad4d6ddSJeff Bonwick (u_longlong_t)(size)); 7008ad4d6ddSJeff Bonwick } 7018ad4d6ddSJeff Bonwick 702fa9e4066Sahrens static void 703fa9e4066Sahrens dump_dtl(vdev_t *vd, int indent) 704fa9e4066Sahrens { 7058ad4d6ddSJeff Bonwick spa_t *spa = vd->vdev_spa; 7068ad4d6ddSJeff Bonwick boolean_t required; 7078ad4d6ddSJeff Bonwick char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 7088ad4d6ddSJeff Bonwick char prefix[256]; 7098ad4d6ddSJeff Bonwick 7108f18d1faSGeorge Wilson spa_vdev_state_enter(spa, SCL_NONE); 7118ad4d6ddSJeff Bonwick required = vdev_dtl_required(vd); 7128ad4d6ddSJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 713fa9e4066Sahrens 714fa9e4066Sahrens if (indent == 0) 715fa9e4066Sahrens (void) printf("\nDirty time logs:\n\n"); 716fa9e4066Sahrens 7178ad4d6ddSJeff Bonwick (void) printf("\t%*s%s [%s]\n", indent, "", 718e14bb325SJeff Bonwick vd->vdev_path ? vd->vdev_path : 7198ad4d6ddSJeff Bonwick vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 7208ad4d6ddSJeff Bonwick required ? "DTL-required" : "DTL-expendable"); 721fa9e4066Sahrens 7228ad4d6ddSJeff Bonwick for (int t = 0; t < DTL_TYPES; t++) { 7238ad4d6ddSJeff Bonwick space_map_t *sm = &vd->vdev_dtl[t]; 7248ad4d6ddSJeff Bonwick if (sm->sm_space == 0) 7258ad4d6ddSJeff Bonwick continue; 7268ad4d6ddSJeff Bonwick (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 7278ad4d6ddSJeff Bonwick indent + 2, "", name[t]); 7288ad4d6ddSJeff Bonwick mutex_enter(sm->sm_lock); 7298ad4d6ddSJeff Bonwick space_map_walk(sm, dump_dtl_seg, (void *)prefix); 7308ad4d6ddSJeff Bonwick mutex_exit(sm->sm_lock); 7318ad4d6ddSJeff Bonwick if (dump_opt['d'] > 5 && vd->vdev_children == 0) 7328ad4d6ddSJeff Bonwick dump_spacemap(spa->spa_meta_objset, 7338ad4d6ddSJeff Bonwick &vd->vdev_dtl_smo, sm); 734fa9e4066Sahrens } 735fa9e4066Sahrens 7368ad4d6ddSJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 737fa9e4066Sahrens dump_dtl(vd->vdev_child[c], indent + 4); 738fa9e4066Sahrens } 739fa9e4066Sahrens 7408f18d1faSGeorge Wilson static void 7418f18d1faSGeorge Wilson dump_history(spa_t *spa) 7428f18d1faSGeorge Wilson { 7438f18d1faSGeorge Wilson nvlist_t **events = NULL; 7448f18d1faSGeorge Wilson char buf[SPA_MAXBLOCKSIZE]; 745e4161df6SVictor Latushkin uint64_t resid, len, off = 0; 7468f18d1faSGeorge Wilson uint_t num = 0; 7478f18d1faSGeorge Wilson int error; 7488f18d1faSGeorge Wilson time_t tsec; 7498f18d1faSGeorge Wilson struct tm t; 7508f18d1faSGeorge Wilson char tbuf[30]; 7518f18d1faSGeorge Wilson char internalstr[MAXPATHLEN]; 7528f18d1faSGeorge Wilson 7538f18d1faSGeorge Wilson do { 754e4161df6SVictor Latushkin len = sizeof (buf); 755e4161df6SVictor Latushkin 7568f18d1faSGeorge Wilson if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 7578f18d1faSGeorge Wilson (void) fprintf(stderr, "Unable to read history: " 7588f18d1faSGeorge Wilson "error %d\n", error); 7598f18d1faSGeorge Wilson return; 7608f18d1faSGeorge Wilson } 7618f18d1faSGeorge Wilson 7628f18d1faSGeorge Wilson if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 7638f18d1faSGeorge Wilson break; 7648f18d1faSGeorge Wilson 7658f18d1faSGeorge Wilson off -= resid; 7668f18d1faSGeorge Wilson } while (len != 0); 7678f18d1faSGeorge Wilson 7688f18d1faSGeorge Wilson (void) printf("\nHistory:\n"); 7698f18d1faSGeorge Wilson for (int i = 0; i < num; i++) { 7708f18d1faSGeorge Wilson uint64_t time, txg, ievent; 7718f18d1faSGeorge Wilson char *cmd, *intstr; 7728f18d1faSGeorge Wilson 7738f18d1faSGeorge Wilson if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 7748f18d1faSGeorge Wilson &time) != 0) 7758f18d1faSGeorge Wilson continue; 7768f18d1faSGeorge Wilson if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 7778f18d1faSGeorge Wilson &cmd) != 0) { 7788f18d1faSGeorge Wilson if (nvlist_lookup_uint64(events[i], 7798f18d1faSGeorge Wilson ZPOOL_HIST_INT_EVENT, &ievent) != 0) 7808f18d1faSGeorge Wilson continue; 7818f18d1faSGeorge Wilson verify(nvlist_lookup_uint64(events[i], 7828f18d1faSGeorge Wilson ZPOOL_HIST_TXG, &txg) == 0); 7838f18d1faSGeorge Wilson verify(nvlist_lookup_string(events[i], 7848f18d1faSGeorge Wilson ZPOOL_HIST_INT_STR, &intstr) == 0); 7858f18d1faSGeorge Wilson if (ievent >= LOG_END) 7868f18d1faSGeorge Wilson continue; 7878f18d1faSGeorge Wilson 7888f18d1faSGeorge Wilson (void) snprintf(internalstr, 7898f18d1faSGeorge Wilson sizeof (internalstr), 7908f18d1faSGeorge Wilson "[internal %s txg:%lld] %s", 7918f18d1faSGeorge Wilson hist_event_table[ievent], txg, 7928f18d1faSGeorge Wilson intstr); 7938f18d1faSGeorge Wilson cmd = internalstr; 7948f18d1faSGeorge Wilson } 7958f18d1faSGeorge Wilson tsec = time; 7968f18d1faSGeorge Wilson (void) localtime_r(&tsec, &t); 7978f18d1faSGeorge Wilson (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 7988f18d1faSGeorge Wilson (void) printf("%s %s\n", tbuf, cmd); 7998f18d1faSGeorge Wilson } 8008f18d1faSGeorge Wilson } 8018f18d1faSGeorge Wilson 802fa9e4066Sahrens /*ARGSUSED*/ 803fa9e4066Sahrens static void 804fa9e4066Sahrens dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 805fa9e4066Sahrens { 806fa9e4066Sahrens } 807fa9e4066Sahrens 808fa9e4066Sahrens static uint64_t 809b24ab676SJeff Bonwick blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb) 810fa9e4066Sahrens { 811b24ab676SJeff Bonwick if (dnp == NULL) { 812b24ab676SJeff Bonwick ASSERT(zb->zb_level < 0); 813b24ab676SJeff Bonwick if (zb->zb_object == 0) 814b24ab676SJeff Bonwick return (zb->zb_blkid); 815b24ab676SJeff Bonwick return (zb->zb_blkid * BP_GET_LSIZE(bp)); 816b24ab676SJeff Bonwick } 817b24ab676SJeff Bonwick 818b24ab676SJeff Bonwick ASSERT(zb->zb_level >= 0); 819fa9e4066Sahrens 820b24ab676SJeff Bonwick return ((zb->zb_blkid << 821b24ab676SJeff Bonwick (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 822fa9e4066Sahrens dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 823fa9e4066Sahrens } 824fa9e4066Sahrens 82544cd46caSbillm static void 826b24ab676SJeff Bonwick sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp) 82744cd46caSbillm { 82844cd46caSbillm dva_t *dva = bp->blk_dva; 829b24ab676SJeff Bonwick int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 830b24ab676SJeff Bonwick 831b24ab676SJeff Bonwick if (dump_opt['b'] >= 5) { 832b24ab676SJeff Bonwick sprintf_blkptr(blkbuf, bp); 833b24ab676SJeff Bonwick return; 834b24ab676SJeff Bonwick } 83544cd46caSbillm 83644cd46caSbillm blkbuf[0] = '\0'; 83744cd46caSbillm 838b24ab676SJeff Bonwick for (int i = 0; i < ndvas; i++) 83944cd46caSbillm (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 84044cd46caSbillm (u_longlong_t)DVA_GET_VDEV(&dva[i]), 84144cd46caSbillm (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 84244cd46caSbillm (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 84344cd46caSbillm 844b24ab676SJeff Bonwick (void) sprintf(blkbuf + strlen(blkbuf), 845b24ab676SJeff Bonwick "%llxL/%llxP F=%llu B=%llu/%llu", 84644cd46caSbillm (u_longlong_t)BP_GET_LSIZE(bp), 84744cd46caSbillm (u_longlong_t)BP_GET_PSIZE(bp), 84844cd46caSbillm (u_longlong_t)bp->blk_fill, 849b24ab676SJeff Bonwick (u_longlong_t)bp->blk_birth, 850b24ab676SJeff Bonwick (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 85144cd46caSbillm } 85244cd46caSbillm 85388b7b0f2SMatthew Ahrens static void 85488b7b0f2SMatthew Ahrens print_indirect(blkptr_t *bp, const zbookmark_t *zb, 85588b7b0f2SMatthew Ahrens const dnode_phys_t *dnp) 856fa9e4066Sahrens { 85788b7b0f2SMatthew Ahrens char blkbuf[BP_SPRINTF_LEN]; 858fa9e4066Sahrens int l; 859fa9e4066Sahrens 86088b7b0f2SMatthew Ahrens ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 86188b7b0f2SMatthew Ahrens ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 862fa9e4066Sahrens 863b24ab676SJeff Bonwick (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 864fa9e4066Sahrens 865fa9e4066Sahrens ASSERT(zb->zb_level >= 0); 866fa9e4066Sahrens 867fa9e4066Sahrens for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 868fa9e4066Sahrens if (l == zb->zb_level) { 86988b7b0f2SMatthew Ahrens (void) printf("L%llx", (u_longlong_t)zb->zb_level); 870fa9e4066Sahrens } else { 87188b7b0f2SMatthew Ahrens (void) printf(" "); 872fa9e4066Sahrens } 873fa9e4066Sahrens } 874fa9e4066Sahrens 875b24ab676SJeff Bonwick sprintf_blkptr_compact(blkbuf, bp); 87688b7b0f2SMatthew Ahrens (void) printf("%s\n", blkbuf); 87788b7b0f2SMatthew Ahrens } 87888b7b0f2SMatthew Ahrens 87988b7b0f2SMatthew Ahrens static int 88088b7b0f2SMatthew Ahrens visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 88188b7b0f2SMatthew Ahrens blkptr_t *bp, const zbookmark_t *zb) 88288b7b0f2SMatthew Ahrens { 883e4161df6SVictor Latushkin int err = 0; 88488b7b0f2SMatthew Ahrens 88588b7b0f2SMatthew Ahrens if (bp->blk_birth == 0) 88688b7b0f2SMatthew Ahrens return (0); 88788b7b0f2SMatthew Ahrens 88888b7b0f2SMatthew Ahrens print_indirect(bp, zb, dnp); 88988b7b0f2SMatthew Ahrens 89088b7b0f2SMatthew Ahrens if (BP_GET_LEVEL(bp) > 0) { 89188b7b0f2SMatthew Ahrens uint32_t flags = ARC_WAIT; 89288b7b0f2SMatthew Ahrens int i; 89388b7b0f2SMatthew Ahrens blkptr_t *cbp; 89488b7b0f2SMatthew Ahrens int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 89588b7b0f2SMatthew Ahrens arc_buf_t *buf; 89688b7b0f2SMatthew Ahrens uint64_t fill = 0; 89788b7b0f2SMatthew Ahrens 89888b7b0f2SMatthew Ahrens err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf, 89988b7b0f2SMatthew Ahrens ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 90088b7b0f2SMatthew Ahrens if (err) 90188b7b0f2SMatthew Ahrens return (err); 90288b7b0f2SMatthew Ahrens 90388b7b0f2SMatthew Ahrens /* recursively visit blocks below this */ 90488b7b0f2SMatthew Ahrens cbp = buf->b_data; 90588b7b0f2SMatthew Ahrens for (i = 0; i < epb; i++, cbp++) { 90688b7b0f2SMatthew Ahrens zbookmark_t czb; 90788b7b0f2SMatthew Ahrens 90888b7b0f2SMatthew Ahrens SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 90988b7b0f2SMatthew Ahrens zb->zb_level - 1, 91088b7b0f2SMatthew Ahrens zb->zb_blkid * epb + i); 91188b7b0f2SMatthew Ahrens err = visit_indirect(spa, dnp, cbp, &czb); 91288b7b0f2SMatthew Ahrens if (err) 91388b7b0f2SMatthew Ahrens break; 91488b7b0f2SMatthew Ahrens fill += cbp->blk_fill; 91588b7b0f2SMatthew Ahrens } 9168ad4d6ddSJeff Bonwick if (!err) 9178ad4d6ddSJeff Bonwick ASSERT3U(fill, ==, bp->blk_fill); 91888b7b0f2SMatthew Ahrens (void) arc_buf_remove_ref(buf, &buf); 919fa9e4066Sahrens } 920fa9e4066Sahrens 92188b7b0f2SMatthew Ahrens return (err); 922fa9e4066Sahrens } 923fa9e4066Sahrens 924fa9e4066Sahrens /*ARGSUSED*/ 925fa9e4066Sahrens static void 92688b7b0f2SMatthew Ahrens dump_indirect(dnode_t *dn) 927fa9e4066Sahrens { 92888b7b0f2SMatthew Ahrens dnode_phys_t *dnp = dn->dn_phys; 92988b7b0f2SMatthew Ahrens int j; 93088b7b0f2SMatthew Ahrens zbookmark_t czb; 931fa9e4066Sahrens 932fa9e4066Sahrens (void) printf("Indirect blocks:\n"); 933fa9e4066Sahrens 934503ad85cSMatthew Ahrens SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 93588b7b0f2SMatthew Ahrens dn->dn_object, dnp->dn_nlevels - 1, 0); 93688b7b0f2SMatthew Ahrens for (j = 0; j < dnp->dn_nblkptr; j++) { 93788b7b0f2SMatthew Ahrens czb.zb_blkid = j; 938503ad85cSMatthew Ahrens (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 93988b7b0f2SMatthew Ahrens &dnp->dn_blkptr[j], &czb); 94088b7b0f2SMatthew Ahrens } 941fa9e4066Sahrens 942fa9e4066Sahrens (void) printf("\n"); 943fa9e4066Sahrens } 944fa9e4066Sahrens 945fa9e4066Sahrens /*ARGSUSED*/ 946fa9e4066Sahrens static void 947fa9e4066Sahrens dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 948fa9e4066Sahrens { 949fa9e4066Sahrens dsl_dir_phys_t *dd = data; 950fa9e4066Sahrens time_t crtime; 95174e7dc98SMatthew Ahrens char nice[6]; 952fa9e4066Sahrens 953fa9e4066Sahrens if (dd == NULL) 954fa9e4066Sahrens return; 955fa9e4066Sahrens 956da6c28aaSamw ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 957fa9e4066Sahrens 958fa9e4066Sahrens crtime = dd->dd_creation_time; 959fa9e4066Sahrens (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 960fa9e4066Sahrens (void) printf("\t\thead_dataset_obj = %llu\n", 961fa9e4066Sahrens (u_longlong_t)dd->dd_head_dataset_obj); 962fa9e4066Sahrens (void) printf("\t\tparent_dir_obj = %llu\n", 963fa9e4066Sahrens (u_longlong_t)dd->dd_parent_obj); 9643cb34c60Sahrens (void) printf("\t\torigin_obj = %llu\n", 9653cb34c60Sahrens (u_longlong_t)dd->dd_origin_obj); 966fa9e4066Sahrens (void) printf("\t\tchild_dir_zapobj = %llu\n", 967fa9e4066Sahrens (u_longlong_t)dd->dd_child_dir_zapobj); 96874e7dc98SMatthew Ahrens nicenum(dd->dd_used_bytes, nice); 96974e7dc98SMatthew Ahrens (void) printf("\t\tused_bytes = %s\n", nice); 97074e7dc98SMatthew Ahrens nicenum(dd->dd_compressed_bytes, nice); 97174e7dc98SMatthew Ahrens (void) printf("\t\tcompressed_bytes = %s\n", nice); 97274e7dc98SMatthew Ahrens nicenum(dd->dd_uncompressed_bytes, nice); 97374e7dc98SMatthew Ahrens (void) printf("\t\tuncompressed_bytes = %s\n", nice); 97474e7dc98SMatthew Ahrens nicenum(dd->dd_quota, nice); 97574e7dc98SMatthew Ahrens (void) printf("\t\tquota = %s\n", nice); 97674e7dc98SMatthew Ahrens nicenum(dd->dd_reserved, nice); 97774e7dc98SMatthew Ahrens (void) printf("\t\treserved = %s\n", nice); 978fa9e4066Sahrens (void) printf("\t\tprops_zapobj = %llu\n", 979fa9e4066Sahrens (u_longlong_t)dd->dd_props_zapobj); 980ecd6cf80Smarks (void) printf("\t\tdeleg_zapobj = %llu\n", 981ecd6cf80Smarks (u_longlong_t)dd->dd_deleg_zapobj); 98274e7dc98SMatthew Ahrens (void) printf("\t\tflags = %llx\n", 98374e7dc98SMatthew Ahrens (u_longlong_t)dd->dd_flags); 98474e7dc98SMatthew Ahrens 98574e7dc98SMatthew Ahrens #define DO(which) \ 98674e7dc98SMatthew Ahrens nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 98774e7dc98SMatthew Ahrens (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 98874e7dc98SMatthew Ahrens DO(HEAD); 98974e7dc98SMatthew Ahrens DO(SNAP); 99074e7dc98SMatthew Ahrens DO(CHILD); 99174e7dc98SMatthew Ahrens DO(CHILD_RSRV); 99274e7dc98SMatthew Ahrens DO(REFRSRV); 99374e7dc98SMatthew Ahrens #undef DO 994fa9e4066Sahrens } 995fa9e4066Sahrens 996fa9e4066Sahrens /*ARGSUSED*/ 997fa9e4066Sahrens static void 998fa9e4066Sahrens dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 999fa9e4066Sahrens { 1000fa9e4066Sahrens dsl_dataset_phys_t *ds = data; 1001fa9e4066Sahrens time_t crtime; 1002fbabab8fSmaybee char used[6], compressed[6], uncompressed[6], unique[6]; 1003fbabab8fSmaybee char blkbuf[BP_SPRINTF_LEN]; 1004fa9e4066Sahrens 1005fa9e4066Sahrens if (ds == NULL) 1006fa9e4066Sahrens return; 1007fa9e4066Sahrens 1008fa9e4066Sahrens ASSERT(size == sizeof (*ds)); 1009fa9e4066Sahrens crtime = ds->ds_creation_time; 1010fa9e4066Sahrens nicenum(ds->ds_used_bytes, used); 1011fa9e4066Sahrens nicenum(ds->ds_compressed_bytes, compressed); 1012fa9e4066Sahrens nicenum(ds->ds_uncompressed_bytes, uncompressed); 1013fa9e4066Sahrens nicenum(ds->ds_unique_bytes, unique); 1014b24ab676SJeff Bonwick sprintf_blkptr(blkbuf, &ds->ds_bp); 1015fa9e4066Sahrens 1016088f3894Sahrens (void) printf("\t\tdir_obj = %llu\n", 1017fa9e4066Sahrens (u_longlong_t)ds->ds_dir_obj); 1018fa9e4066Sahrens (void) printf("\t\tprev_snap_obj = %llu\n", 1019fa9e4066Sahrens (u_longlong_t)ds->ds_prev_snap_obj); 1020fa9e4066Sahrens (void) printf("\t\tprev_snap_txg = %llu\n", 1021fa9e4066Sahrens (u_longlong_t)ds->ds_prev_snap_txg); 1022fa9e4066Sahrens (void) printf("\t\tnext_snap_obj = %llu\n", 1023fa9e4066Sahrens (u_longlong_t)ds->ds_next_snap_obj); 1024fa9e4066Sahrens (void) printf("\t\tsnapnames_zapobj = %llu\n", 1025fa9e4066Sahrens (u_longlong_t)ds->ds_snapnames_zapobj); 1026fa9e4066Sahrens (void) printf("\t\tnum_children = %llu\n", 1027fa9e4066Sahrens (u_longlong_t)ds->ds_num_children); 1028842727c2SChris Kirby (void) printf("\t\tuserrefs_obj = %llu\n", 1029842727c2SChris Kirby (u_longlong_t)ds->ds_userrefs_obj); 1030fa9e4066Sahrens (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1031fa9e4066Sahrens (void) printf("\t\tcreation_txg = %llu\n", 1032fa9e4066Sahrens (u_longlong_t)ds->ds_creation_txg); 1033fa9e4066Sahrens (void) printf("\t\tdeadlist_obj = %llu\n", 1034fa9e4066Sahrens (u_longlong_t)ds->ds_deadlist_obj); 1035fa9e4066Sahrens (void) printf("\t\tused_bytes = %s\n", used); 1036fa9e4066Sahrens (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1037fa9e4066Sahrens (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1038fa9e4066Sahrens (void) printf("\t\tunique = %s\n", unique); 1039fa9e4066Sahrens (void) printf("\t\tfsid_guid = %llu\n", 1040fa9e4066Sahrens (u_longlong_t)ds->ds_fsid_guid); 1041fa9e4066Sahrens (void) printf("\t\tguid = %llu\n", 1042fa9e4066Sahrens (u_longlong_t)ds->ds_guid); 104399653d4eSeschrock (void) printf("\t\tflags = %llx\n", 104499653d4eSeschrock (u_longlong_t)ds->ds_flags); 1045088f3894Sahrens (void) printf("\t\tnext_clones_obj = %llu\n", 1046088f3894Sahrens (u_longlong_t)ds->ds_next_clones_obj); 1047bb0ade09Sahrens (void) printf("\t\tprops_obj = %llu\n", 1048bb0ade09Sahrens (u_longlong_t)ds->ds_props_obj); 1049fa9e4066Sahrens (void) printf("\t\tbp = %s\n", blkbuf); 1050fa9e4066Sahrens } 1051fa9e4066Sahrens 1052fa9e4066Sahrens static void 1053fa9e4066Sahrens dump_bplist(objset_t *mos, uint64_t object, char *name) 1054fa9e4066Sahrens { 1055fa9e4066Sahrens bplist_t bpl = { 0 }; 1056fa9e4066Sahrens blkptr_t blk, *bp = &blk; 1057fa9e4066Sahrens uint64_t itor = 0; 105899653d4eSeschrock char bytes[6]; 105999653d4eSeschrock char comp[6]; 106099653d4eSeschrock char uncomp[6]; 1061fa9e4066Sahrens 1062fa9e4066Sahrens if (dump_opt['d'] < 3) 1063fa9e4066Sahrens return; 1064fa9e4066Sahrens 1065b24ab676SJeff Bonwick bplist_init(&bpl); 1066ea8dc4b6Seschrock VERIFY(0 == bplist_open(&bpl, mos, object)); 1067fa9e4066Sahrens if (bplist_empty(&bpl)) { 1068fa9e4066Sahrens bplist_close(&bpl); 1069b24ab676SJeff Bonwick bplist_fini(&bpl); 1070fa9e4066Sahrens return; 1071fa9e4066Sahrens } 1072fa9e4066Sahrens 107399653d4eSeschrock nicenum(bpl.bpl_phys->bpl_bytes, bytes); 107499653d4eSeschrock if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) { 107599653d4eSeschrock nicenum(bpl.bpl_phys->bpl_comp, comp); 107699653d4eSeschrock nicenum(bpl.bpl_phys->bpl_uncomp, uncomp); 107799653d4eSeschrock (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n", 107899653d4eSeschrock name, (u_longlong_t)bpl.bpl_phys->bpl_entries, 107999653d4eSeschrock bytes, comp, uncomp); 108099653d4eSeschrock } else { 108199653d4eSeschrock (void) printf("\n %s: %llu entries, %s\n", 108299653d4eSeschrock name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes); 108399653d4eSeschrock } 1084fa9e4066Sahrens 1085fa9e4066Sahrens if (dump_opt['d'] < 5) { 1086fa9e4066Sahrens bplist_close(&bpl); 1087b24ab676SJeff Bonwick bplist_fini(&bpl); 1088fa9e4066Sahrens return; 1089fa9e4066Sahrens } 1090fa9e4066Sahrens 1091fa9e4066Sahrens (void) printf("\n"); 1092fa9e4066Sahrens 1093fa9e4066Sahrens while (bplist_iterate(&bpl, &itor, bp) == 0) { 109444cd46caSbillm char blkbuf[BP_SPRINTF_LEN]; 109544cd46caSbillm 1096fa9e4066Sahrens ASSERT(bp->blk_birth != 0); 1097b24ab676SJeff Bonwick sprintf_blkptr_compact(blkbuf, bp); 109844cd46caSbillm (void) printf("\tItem %3llu: %s\n", 109944cd46caSbillm (u_longlong_t)itor - 1, blkbuf); 1100fa9e4066Sahrens } 1101fa9e4066Sahrens 1102fa9e4066Sahrens bplist_close(&bpl); 1103b24ab676SJeff Bonwick bplist_fini(&bpl); 1104fa9e4066Sahrens } 1105fa9e4066Sahrens 1106e0d35c44Smarks static avl_tree_t idx_tree; 1107e0d35c44Smarks static avl_tree_t domain_tree; 1108e0d35c44Smarks static boolean_t fuid_table_loaded; 1109e0d35c44Smarks 1110e0d35c44Smarks static void 1111e0d35c44Smarks fuid_table_destroy() 1112e0d35c44Smarks { 1113e0d35c44Smarks if (fuid_table_loaded) { 1114e0d35c44Smarks zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1115e0d35c44Smarks fuid_table_loaded = B_FALSE; 1116e0d35c44Smarks } 1117e0d35c44Smarks } 1118e0d35c44Smarks 1119e0d35c44Smarks /* 1120e0d35c44Smarks * print uid or gid information. 1121e0d35c44Smarks * For normal POSIX id just the id is printed in decimal format. 1122e0d35c44Smarks * For CIFS files with FUID the fuid is printed in hex followed by 1123e0d35c44Smarks * the doman-rid string. 1124e0d35c44Smarks */ 1125e0d35c44Smarks static void 1126e0d35c44Smarks print_idstr(uint64_t id, const char *id_type) 1127e0d35c44Smarks { 1128e0d35c44Smarks if (FUID_INDEX(id)) { 1129e0d35c44Smarks char *domain; 1130e0d35c44Smarks 1131e0d35c44Smarks domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1132e0d35c44Smarks (void) printf("\t%s %llx [%s-%d]\n", id_type, 1133e0d35c44Smarks (u_longlong_t)id, domain, (int)FUID_RID(id)); 1134e0d35c44Smarks } else { 1135e0d35c44Smarks (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1136e0d35c44Smarks } 1137e0d35c44Smarks 1138e0d35c44Smarks } 1139e0d35c44Smarks 1140e0d35c44Smarks static void 1141e0d35c44Smarks dump_uidgid(objset_t *os, znode_phys_t *zp) 1142e0d35c44Smarks { 1143e0d35c44Smarks uint32_t uid_idx, gid_idx; 1144e0d35c44Smarks 1145e0d35c44Smarks uid_idx = FUID_INDEX(zp->zp_uid); 1146e0d35c44Smarks gid_idx = FUID_INDEX(zp->zp_gid); 1147e0d35c44Smarks 1148e0d35c44Smarks /* Load domain table, if not already loaded */ 1149e0d35c44Smarks if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1150e0d35c44Smarks uint64_t fuid_obj; 1151e0d35c44Smarks 1152e0d35c44Smarks /* first find the fuid object. It lives in the master node */ 1153e0d35c44Smarks VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1154e0d35c44Smarks 8, 1, &fuid_obj) == 0); 115589459e17SMark Shellenbaum zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1156e0d35c44Smarks (void) zfs_fuid_table_load(os, fuid_obj, 1157e0d35c44Smarks &idx_tree, &domain_tree); 1158e0d35c44Smarks fuid_table_loaded = B_TRUE; 1159e0d35c44Smarks } 1160e0d35c44Smarks 1161e0d35c44Smarks print_idstr(zp->zp_uid, "uid"); 1162e0d35c44Smarks print_idstr(zp->zp_gid, "gid"); 1163e0d35c44Smarks } 1164e0d35c44Smarks 1165fa9e4066Sahrens /*ARGSUSED*/ 1166fa9e4066Sahrens static void 1167fa9e4066Sahrens dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1168fa9e4066Sahrens { 1169fa9e4066Sahrens znode_phys_t *zp = data; 1170fa9e4066Sahrens time_t z_crtime, z_atime, z_mtime, z_ctime; 1171fa9e4066Sahrens char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 117255434c77Sek int error; 1173fa9e4066Sahrens 1174fa9e4066Sahrens ASSERT(size >= sizeof (znode_phys_t)); 1175fa9e4066Sahrens 117655434c77Sek error = zfs_obj_to_path(os, object, path, sizeof (path)); 117755434c77Sek if (error != 0) { 117855434c77Sek (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 117955434c77Sek (u_longlong_t)object); 118055434c77Sek } 118155434c77Sek 1182fa9e4066Sahrens if (dump_opt['d'] < 3) { 118355434c77Sek (void) printf("\t%s\n", path); 1184fa9e4066Sahrens return; 1185fa9e4066Sahrens } 1186fa9e4066Sahrens 1187fa9e4066Sahrens z_crtime = (time_t)zp->zp_crtime[0]; 1188fa9e4066Sahrens z_atime = (time_t)zp->zp_atime[0]; 1189fa9e4066Sahrens z_mtime = (time_t)zp->zp_mtime[0]; 1190fa9e4066Sahrens z_ctime = (time_t)zp->zp_ctime[0]; 1191fa9e4066Sahrens 119255434c77Sek (void) printf("\tpath %s\n", path); 1193e0d35c44Smarks dump_uidgid(os, zp); 1194fa9e4066Sahrens (void) printf("\tatime %s", ctime(&z_atime)); 1195fa9e4066Sahrens (void) printf("\tmtime %s", ctime(&z_mtime)); 1196fa9e4066Sahrens (void) printf("\tctime %s", ctime(&z_ctime)); 1197fa9e4066Sahrens (void) printf("\tcrtime %s", ctime(&z_crtime)); 1198fa9e4066Sahrens (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen); 1199fa9e4066Sahrens (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode); 1200fa9e4066Sahrens (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size); 1201fa9e4066Sahrens (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent); 1202fa9e4066Sahrens (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links); 1203fa9e4066Sahrens (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr); 1204fa9e4066Sahrens (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev); 1205fa9e4066Sahrens } 1206fa9e4066Sahrens 1207fa9e4066Sahrens /*ARGSUSED*/ 1208fa9e4066Sahrens static void 1209fa9e4066Sahrens dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1210fa9e4066Sahrens { 1211fa9e4066Sahrens } 1212fa9e4066Sahrens 1213fa9e4066Sahrens /*ARGSUSED*/ 1214fa9e4066Sahrens static void 1215fa9e4066Sahrens dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1216fa9e4066Sahrens { 1217fa9e4066Sahrens } 1218fa9e4066Sahrens 12196de8f417SVictor Latushkin static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1220fa9e4066Sahrens dump_none, /* unallocated */ 1221fa9e4066Sahrens dump_zap, /* object directory */ 1222fa9e4066Sahrens dump_uint64, /* object array */ 1223fa9e4066Sahrens dump_none, /* packed nvlist */ 1224fa9e4066Sahrens dump_packed_nvlist, /* packed nvlist size */ 1225fa9e4066Sahrens dump_none, /* bplist */ 1226fa9e4066Sahrens dump_none, /* bplist header */ 1227fa9e4066Sahrens dump_none, /* SPA space map header */ 1228fa9e4066Sahrens dump_none, /* SPA space map */ 1229fa9e4066Sahrens dump_none, /* ZIL intent log */ 1230fa9e4066Sahrens dump_dnode, /* DMU dnode */ 1231fa9e4066Sahrens dump_dmu_objset, /* DMU objset */ 1232ea8dc4b6Seschrock dump_dsl_dir, /* DSL directory */ 1233fa9e4066Sahrens dump_zap, /* DSL directory child map */ 1234fa9e4066Sahrens dump_zap, /* DSL dataset snap map */ 1235fa9e4066Sahrens dump_zap, /* DSL props */ 1236fa9e4066Sahrens dump_dsl_dataset, /* DSL dataset */ 1237fa9e4066Sahrens dump_znode, /* ZFS znode */ 1238da6c28aaSamw dump_acl, /* ZFS V0 ACL */ 1239fa9e4066Sahrens dump_uint8, /* ZFS plain file */ 1240e7437265Sahrens dump_zpldir, /* ZFS directory */ 1241fa9e4066Sahrens dump_zap, /* ZFS master node */ 1242fa9e4066Sahrens dump_zap, /* ZFS delete queue */ 1243fa9e4066Sahrens dump_uint8, /* zvol object */ 1244fa9e4066Sahrens dump_zap, /* zvol prop */ 1245fa9e4066Sahrens dump_uint8, /* other uint8[] */ 1246fa9e4066Sahrens dump_uint64, /* other uint64[] */ 1247fa9e4066Sahrens dump_zap, /* other ZAP */ 1248ea8dc4b6Seschrock dump_zap, /* persistent error log */ 124906eeb2adSek dump_uint8, /* SPA history */ 125006eeb2adSek dump_uint64, /* SPA history offsets */ 1251b1b8ab34Slling dump_zap, /* Pool properties */ 1252ecd6cf80Smarks dump_zap, /* DSL permissions */ 1253da6c28aaSamw dump_acl, /* ZFS ACL */ 1254da6c28aaSamw dump_uint8, /* ZFS SYSACL */ 1255da6c28aaSamw dump_none, /* FUID nvlist */ 1256da6c28aaSamw dump_packed_nvlist, /* FUID nvlist size */ 1257088f3894Sahrens dump_zap, /* DSL dataset next clones */ 1258088f3894Sahrens dump_zap, /* DSL scrub queue */ 125914843421SMatthew Ahrens dump_zap, /* ZFS user/group used */ 126014843421SMatthew Ahrens dump_zap, /* ZFS user/group quota */ 1261842727c2SChris Kirby dump_zap, /* snapshot refcount tags */ 1262486ae710SMatthew Ahrens dump_ddt_zap, /* DDT ZAP object */ 1263b24ab676SJeff Bonwick dump_zap, /* DDT statistics */ 12646de8f417SVictor Latushkin dump_unknown /* Unknown type, must be last */ 1265fa9e4066Sahrens }; 1266fa9e4066Sahrens 1267fa9e4066Sahrens static void 1268fa9e4066Sahrens dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1269fa9e4066Sahrens { 1270fa9e4066Sahrens dmu_buf_t *db = NULL; 1271fa9e4066Sahrens dmu_object_info_t doi; 1272fa9e4066Sahrens dnode_t *dn; 1273fa9e4066Sahrens void *bonus = NULL; 1274fa9e4066Sahrens size_t bsize = 0; 1275b24ab676SJeff Bonwick char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], fill[7]; 1276fa9e4066Sahrens char aux[50]; 1277fa9e4066Sahrens int error; 1278fa9e4066Sahrens 1279fa9e4066Sahrens if (*print_header) { 1280b24ab676SJeff Bonwick (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1281b24ab676SJeff Bonwick "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1282b24ab676SJeff Bonwick "%full", "type"); 1283fa9e4066Sahrens *print_header = 0; 1284fa9e4066Sahrens } 1285fa9e4066Sahrens 1286fa9e4066Sahrens if (object == 0) { 1287503ad85cSMatthew Ahrens dn = os->os_meta_dnode; 1288fa9e4066Sahrens } else { 1289ea8dc4b6Seschrock error = dmu_bonus_hold(os, object, FTAG, &db); 1290ea8dc4b6Seschrock if (error) 1291ea8dc4b6Seschrock fatal("dmu_bonus_hold(%llu) failed, errno %u", 1292ea8dc4b6Seschrock object, error); 1293fa9e4066Sahrens bonus = db->db_data; 1294fa9e4066Sahrens bsize = db->db_size; 1295fa9e4066Sahrens dn = ((dmu_buf_impl_t *)db)->db_dnode; 1296fa9e4066Sahrens } 1297fa9e4066Sahrens dmu_object_info_from_dnode(dn, &doi); 1298fa9e4066Sahrens 1299fa9e4066Sahrens nicenum(doi.doi_metadata_block_size, iblk); 1300fa9e4066Sahrens nicenum(doi.doi_data_block_size, dblk); 1301b24ab676SJeff Bonwick nicenum(doi.doi_max_offset, lsize); 1302b24ab676SJeff Bonwick nicenum(doi.doi_physical_blocks_512 << 9, asize); 1303fa9e4066Sahrens nicenum(doi.doi_bonus_size, bonus_size); 1304b24ab676SJeff Bonwick (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1305bbfd46c4SJeff Bonwick doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1306bbfd46c4SJeff Bonwick doi.doi_max_offset); 1307fa9e4066Sahrens 1308fa9e4066Sahrens aux[0] = '\0'; 1309fa9e4066Sahrens 1310e7437265Sahrens if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1311fa9e4066Sahrens (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 13126de8f417SVictor Latushkin ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1313e7437265Sahrens } 1314fa9e4066Sahrens 1315e7437265Sahrens if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1316fa9e4066Sahrens (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 13176de8f417SVictor Latushkin ZDB_COMPRESS_NAME(doi.doi_compress)); 1318e7437265Sahrens } 1319fa9e4066Sahrens 1320b24ab676SJeff Bonwick (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1321b24ab676SJeff Bonwick (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1322b24ab676SJeff Bonwick asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1323fa9e4066Sahrens 1324fa9e4066Sahrens if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1325b24ab676SJeff Bonwick (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1326b24ab676SJeff Bonwick "", "", "", "", "", bonus_size, "bonus", 13276de8f417SVictor Latushkin ZDB_OT_NAME(doi.doi_bonus_type)); 1328fa9e4066Sahrens } 1329fa9e4066Sahrens 1330fa9e4066Sahrens if (verbosity >= 4) { 133114843421SMatthew Ahrens (void) printf("\tdnode flags: %s%s\n", 133214843421SMatthew Ahrens (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 133314843421SMatthew Ahrens "USED_BYTES " : "", 133414843421SMatthew Ahrens (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 133514843421SMatthew Ahrens "USERUSED_ACCOUNTED " : ""); 133614843421SMatthew Ahrens (void) printf("\tdnode maxblkid: %llu\n", 133714843421SMatthew Ahrens (longlong_t)dn->dn_phys->dn_maxblkid); 133814843421SMatthew Ahrens 13396de8f417SVictor Latushkin object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 13406de8f417SVictor Latushkin bonus, bsize); 13416de8f417SVictor Latushkin object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1342fa9e4066Sahrens *print_header = 1; 1343fa9e4066Sahrens } 1344fa9e4066Sahrens 1345fa9e4066Sahrens if (verbosity >= 5) 134688b7b0f2SMatthew Ahrens dump_indirect(dn); 1347fa9e4066Sahrens 1348fa9e4066Sahrens if (verbosity >= 5) { 1349fa9e4066Sahrens /* 1350fa9e4066Sahrens * Report the list of segments that comprise the object. 1351fa9e4066Sahrens */ 1352fa9e4066Sahrens uint64_t start = 0; 1353fa9e4066Sahrens uint64_t end; 1354fa9e4066Sahrens uint64_t blkfill = 1; 1355fa9e4066Sahrens int minlvl = 1; 1356fa9e4066Sahrens 1357fa9e4066Sahrens if (dn->dn_type == DMU_OT_DNODE) { 1358fa9e4066Sahrens minlvl = 0; 1359fa9e4066Sahrens blkfill = DNODES_PER_BLOCK; 1360fa9e4066Sahrens } 1361fa9e4066Sahrens 1362fa9e4066Sahrens for (;;) { 1363b24ab676SJeff Bonwick char segsize[6]; 1364cdb0ab79Smaybee error = dnode_next_offset(dn, 1365cdb0ab79Smaybee 0, &start, minlvl, blkfill, 0); 1366fa9e4066Sahrens if (error) 1367fa9e4066Sahrens break; 1368fa9e4066Sahrens end = start; 1369cdb0ab79Smaybee error = dnode_next_offset(dn, 1370cdb0ab79Smaybee DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1371fa9e4066Sahrens nicenum(end - start, segsize); 1372fa9e4066Sahrens (void) printf("\t\tsegment [%016llx, %016llx)" 1373fa9e4066Sahrens " size %5s\n", (u_longlong_t)start, 1374fa9e4066Sahrens (u_longlong_t)end, segsize); 1375fa9e4066Sahrens if (error) 1376fa9e4066Sahrens break; 1377fa9e4066Sahrens start = end; 1378fa9e4066Sahrens } 1379fa9e4066Sahrens } 1380fa9e4066Sahrens 1381fa9e4066Sahrens if (db != NULL) 1382ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1383fa9e4066Sahrens } 1384fa9e4066Sahrens 1385fa9e4066Sahrens static char *objset_types[DMU_OST_NUMTYPES] = { 1386fa9e4066Sahrens "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1387fa9e4066Sahrens 1388fa9e4066Sahrens static void 1389fa9e4066Sahrens dump_dir(objset_t *os) 1390fa9e4066Sahrens { 1391fa9e4066Sahrens dmu_objset_stats_t dds; 1392fa9e4066Sahrens uint64_t object, object_count; 1393a2eea2e1Sahrens uint64_t refdbytes, usedobjs, scratch; 1394fa9e4066Sahrens char numbuf[8]; 139514843421SMatthew Ahrens char blkbuf[BP_SPRINTF_LEN + 20]; 1396fa9e4066Sahrens char osname[MAXNAMELEN]; 1397fa9e4066Sahrens char *type = "UNKNOWN"; 1398fa9e4066Sahrens int verbosity = dump_opt['d']; 1399fa9e4066Sahrens int print_header = 1; 1400fa9e4066Sahrens int i, error; 1401fa9e4066Sahrens 1402a2eea2e1Sahrens dmu_objset_fast_stat(os, &dds); 1403fa9e4066Sahrens 1404fa9e4066Sahrens if (dds.dds_type < DMU_OST_NUMTYPES) 1405fa9e4066Sahrens type = objset_types[dds.dds_type]; 1406fa9e4066Sahrens 1407fa9e4066Sahrens if (dds.dds_type == DMU_OST_META) { 1408fa9e4066Sahrens dds.dds_creation_txg = TXG_INITIAL; 1409503ad85cSMatthew Ahrens usedobjs = os->os_rootbp->blk_fill; 1410503ad85cSMatthew Ahrens refdbytes = os->os_spa->spa_dsl_pool-> 141174e7dc98SMatthew Ahrens dp_mos_dir->dd_phys->dd_used_bytes; 1412a2eea2e1Sahrens } else { 1413a2eea2e1Sahrens dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1414fa9e4066Sahrens } 1415fa9e4066Sahrens 1416503ad85cSMatthew Ahrens ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1417fa9e4066Sahrens 1418a2eea2e1Sahrens nicenum(refdbytes, numbuf); 1419fa9e4066Sahrens 1420fa9e4066Sahrens if (verbosity >= 4) { 1421e4161df6SVictor Latushkin (void) sprintf(blkbuf, ", rootbp "); 1422b24ab676SJeff Bonwick (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp); 1423fa9e4066Sahrens } else { 1424fa9e4066Sahrens blkbuf[0] = '\0'; 1425fa9e4066Sahrens } 1426fa9e4066Sahrens 1427fa9e4066Sahrens dmu_objset_name(os, osname); 1428fa9e4066Sahrens 1429a2eea2e1Sahrens (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1430fa9e4066Sahrens "%s, %llu objects%s\n", 1431fa9e4066Sahrens osname, type, (u_longlong_t)dmu_objset_id(os), 1432fa9e4066Sahrens (u_longlong_t)dds.dds_creation_txg, 1433a2eea2e1Sahrens numbuf, (u_longlong_t)usedobjs, blkbuf); 1434fa9e4066Sahrens 1435b24ab676SJeff Bonwick if (zopt_objects != 0) { 1436b24ab676SJeff Bonwick for (i = 0; i < zopt_objects; i++) 1437b24ab676SJeff Bonwick dump_object(os, zopt_object[i], verbosity, 1438b24ab676SJeff Bonwick &print_header); 1439b24ab676SJeff Bonwick (void) printf("\n"); 1440b24ab676SJeff Bonwick return; 1441b24ab676SJeff Bonwick } 1442b24ab676SJeff Bonwick 1443b24ab676SJeff Bonwick if (dump_opt['i'] != 0 || verbosity >= 2) 1444b24ab676SJeff Bonwick dump_intent_log(dmu_objset_zil(os)); 1445fa9e4066Sahrens 1446fa9e4066Sahrens if (dmu_objset_ds(os) != NULL) 1447fa9e4066Sahrens dump_bplist(dmu_objset_pool(os)->dp_meta_objset, 1448fa9e4066Sahrens dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist"); 1449fa9e4066Sahrens 1450fa9e4066Sahrens if (verbosity < 2) 1451fa9e4066Sahrens return; 1452fa9e4066Sahrens 1453503ad85cSMatthew Ahrens if (os->os_rootbp->blk_birth == 0) 1454088f3894Sahrens return; 1455088f3894Sahrens 1456fa9e4066Sahrens dump_object(os, 0, verbosity, &print_header); 145714843421SMatthew Ahrens object_count = 0; 1458503ad85cSMatthew Ahrens if (os->os_userused_dnode && 1459503ad85cSMatthew Ahrens os->os_userused_dnode->dn_type != 0) { 146014843421SMatthew Ahrens dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 146114843421SMatthew Ahrens dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 146214843421SMatthew Ahrens } 1463fa9e4066Sahrens 1464fa9e4066Sahrens object = 0; 14656754306eSahrens while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1466fa9e4066Sahrens dump_object(os, object, verbosity, &print_header); 1467fa9e4066Sahrens object_count++; 1468fa9e4066Sahrens } 1469fa9e4066Sahrens 1470a2eea2e1Sahrens ASSERT3U(object_count, ==, usedobjs); 1471fa9e4066Sahrens 1472fa9e4066Sahrens (void) printf("\n"); 1473fa9e4066Sahrens 1474ccba0801SRich Morris if (error != ESRCH) { 1475ccba0801SRich Morris (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1476ccba0801SRich Morris abort(); 1477ccba0801SRich Morris } 1478fa9e4066Sahrens } 1479fa9e4066Sahrens 1480fa9e4066Sahrens static void 148153b9a4a9SVictor Latushkin dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1482fa9e4066Sahrens { 1483fa9e4066Sahrens time_t timestamp = ub->ub_timestamp; 1484fa9e4066Sahrens 148553b9a4a9SVictor Latushkin (void) printf(header ? header : ""); 1486fa9e4066Sahrens (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1487fa9e4066Sahrens (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1488fa9e4066Sahrens (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1489fa9e4066Sahrens (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1490fa9e4066Sahrens (void) printf("\ttimestamp = %llu UTC = %s", 1491fa9e4066Sahrens (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1492fa9e4066Sahrens if (dump_opt['u'] >= 3) { 1493fbabab8fSmaybee char blkbuf[BP_SPRINTF_LEN]; 1494b24ab676SJeff Bonwick sprintf_blkptr(blkbuf, &ub->ub_rootbp); 1495fa9e4066Sahrens (void) printf("\trootbp = %s\n", blkbuf); 1496fa9e4066Sahrens } 149753b9a4a9SVictor Latushkin (void) printf(footer ? footer : ""); 1498fa9e4066Sahrens } 1499fa9e4066Sahrens 1500fa9e4066Sahrens static void 150107428bdfSVictor Latushkin dump_config(spa_t *spa) 1502fa9e4066Sahrens { 150307428bdfSVictor Latushkin dmu_buf_t *db; 150407428bdfSVictor Latushkin size_t nvsize = 0; 150507428bdfSVictor Latushkin int error = 0; 150607428bdfSVictor Latushkin 1507fa9e4066Sahrens 150807428bdfSVictor Latushkin error = dmu_bonus_hold(spa->spa_meta_objset, 150907428bdfSVictor Latushkin spa->spa_config_object, FTAG, &db); 151007428bdfSVictor Latushkin 151107428bdfSVictor Latushkin if (error == 0) { 151207428bdfSVictor Latushkin nvsize = *(uint64_t *)db->db_data; 151307428bdfSVictor Latushkin dmu_buf_rele(db, FTAG); 151407428bdfSVictor Latushkin 151507428bdfSVictor Latushkin (void) printf("\nMOS Configuration:\n"); 151607428bdfSVictor Latushkin dump_packed_nvlist(spa->spa_meta_objset, 151707428bdfSVictor Latushkin spa->spa_config_object, (void *)&nvsize, 1); 151807428bdfSVictor Latushkin } else { 151907428bdfSVictor Latushkin (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 152007428bdfSVictor Latushkin (u_longlong_t)spa->spa_config_object, error); 1521fa9e4066Sahrens } 1522fa9e4066Sahrens } 1523fa9e4066Sahrens 1524c5904d13Seschrock static void 1525c5904d13Seschrock dump_cachefile(const char *cachefile) 1526c5904d13Seschrock { 1527c5904d13Seschrock int fd; 1528c5904d13Seschrock struct stat64 statbuf; 1529c5904d13Seschrock char *buf; 1530c5904d13Seschrock nvlist_t *config; 1531c5904d13Seschrock 1532c5904d13Seschrock if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1533c5904d13Seschrock (void) printf("cannot open '%s': %s\n", cachefile, 1534c5904d13Seschrock strerror(errno)); 1535c5904d13Seschrock exit(1); 1536c5904d13Seschrock } 1537c5904d13Seschrock 1538c5904d13Seschrock if (fstat64(fd, &statbuf) != 0) { 1539c5904d13Seschrock (void) printf("failed to stat '%s': %s\n", cachefile, 1540c5904d13Seschrock strerror(errno)); 1541c5904d13Seschrock exit(1); 1542c5904d13Seschrock } 1543c5904d13Seschrock 1544c5904d13Seschrock if ((buf = malloc(statbuf.st_size)) == NULL) { 1545c5904d13Seschrock (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1546c5904d13Seschrock (u_longlong_t)statbuf.st_size); 1547c5904d13Seschrock exit(1); 1548c5904d13Seschrock } 1549c5904d13Seschrock 1550c5904d13Seschrock if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1551c5904d13Seschrock (void) fprintf(stderr, "failed to read %llu bytes\n", 1552c5904d13Seschrock (u_longlong_t)statbuf.st_size); 1553c5904d13Seschrock exit(1); 1554c5904d13Seschrock } 1555c5904d13Seschrock 1556c5904d13Seschrock (void) close(fd); 1557c5904d13Seschrock 1558c5904d13Seschrock if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1559c5904d13Seschrock (void) fprintf(stderr, "failed to unpack nvlist\n"); 1560c5904d13Seschrock exit(1); 1561c5904d13Seschrock } 1562c5904d13Seschrock 1563c5904d13Seschrock free(buf); 1564c5904d13Seschrock 1565c5904d13Seschrock dump_nvlist(config, 0); 1566c5904d13Seschrock 1567c5904d13Seschrock nvlist_free(config); 1568c5904d13Seschrock } 1569c5904d13Seschrock 157053b9a4a9SVictor Latushkin #define ZDB_MAX_UB_HEADER_SIZE 32 157153b9a4a9SVictor Latushkin 157253b9a4a9SVictor Latushkin static void 157353b9a4a9SVictor Latushkin dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 157453b9a4a9SVictor Latushkin { 157553b9a4a9SVictor Latushkin vdev_t vd; 157653b9a4a9SVictor Latushkin vdev_t *vdp = &vd; 157753b9a4a9SVictor Latushkin char header[ZDB_MAX_UB_HEADER_SIZE]; 157853b9a4a9SVictor Latushkin 157953b9a4a9SVictor Latushkin vd.vdev_ashift = ashift; 158053b9a4a9SVictor Latushkin vdp->vdev_top = vdp; 158153b9a4a9SVictor Latushkin 158253b9a4a9SVictor Latushkin for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 158353b9a4a9SVictor Latushkin uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 158453b9a4a9SVictor Latushkin uberblock_t *ub = (void *)((char *)lbl + uoff); 158553b9a4a9SVictor Latushkin 158653b9a4a9SVictor Latushkin if (uberblock_verify(ub)) 158753b9a4a9SVictor Latushkin continue; 158853b9a4a9SVictor Latushkin (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 158953b9a4a9SVictor Latushkin "Uberblock[%d]\n", i); 159053b9a4a9SVictor Latushkin dump_uberblock(ub, header, ""); 159153b9a4a9SVictor Latushkin } 159253b9a4a9SVictor Latushkin } 159353b9a4a9SVictor Latushkin 1594fa9e4066Sahrens static void 1595fa9e4066Sahrens dump_label(const char *dev) 1596fa9e4066Sahrens { 1597fa9e4066Sahrens int fd; 1598fa9e4066Sahrens vdev_label_t label; 1599fa9e4066Sahrens char *buf = label.vl_vdev_phys.vp_nvlist; 1600fa9e4066Sahrens size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1601fa9e4066Sahrens struct stat64 statbuf; 160253b9a4a9SVictor Latushkin uint64_t psize, ashift; 1603fa9e4066Sahrens 16040d981225Seschrock if ((fd = open64(dev, O_RDONLY)) < 0) { 1605fa9e4066Sahrens (void) printf("cannot open '%s': %s\n", dev, strerror(errno)); 1606fa9e4066Sahrens exit(1); 1607fa9e4066Sahrens } 1608fa9e4066Sahrens 1609fa9e4066Sahrens if (fstat64(fd, &statbuf) != 0) { 1610fa9e4066Sahrens (void) printf("failed to stat '%s': %s\n", dev, 1611fa9e4066Sahrens strerror(errno)); 1612fa9e4066Sahrens } 1613fa9e4066Sahrens 1614fa9e4066Sahrens psize = statbuf.st_size; 1615fa9e4066Sahrens psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1616fa9e4066Sahrens 161753b9a4a9SVictor Latushkin for (int l = 0; l < VDEV_LABELS; l++) { 1618fa9e4066Sahrens nvlist_t *config = NULL; 1619fa9e4066Sahrens 1620fa9e4066Sahrens (void) printf("--------------------------------------------\n"); 1621fa9e4066Sahrens (void) printf("LABEL %d\n", l); 1622fa9e4066Sahrens (void) printf("--------------------------------------------\n"); 1623fa9e4066Sahrens 16240d981225Seschrock if (pread64(fd, &label, sizeof (label), 1625fa9e4066Sahrens vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1626fa9e4066Sahrens (void) printf("failed to read label %d\n", l); 1627fa9e4066Sahrens continue; 1628fa9e4066Sahrens } 1629fa9e4066Sahrens 1630fa9e4066Sahrens if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1631fa9e4066Sahrens (void) printf("failed to unpack label %d\n", l); 163253b9a4a9SVictor Latushkin ashift = SPA_MINBLOCKSHIFT; 163353b9a4a9SVictor Latushkin } else { 163453b9a4a9SVictor Latushkin nvlist_t *vdev_tree = NULL; 163553b9a4a9SVictor Latushkin 163653b9a4a9SVictor Latushkin dump_nvlist(config, 4); 163753b9a4a9SVictor Latushkin if ((nvlist_lookup_nvlist(config, 163853b9a4a9SVictor Latushkin ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 163953b9a4a9SVictor Latushkin (nvlist_lookup_uint64(vdev_tree, 164053b9a4a9SVictor Latushkin ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 164153b9a4a9SVictor Latushkin ashift = SPA_MINBLOCKSHIFT; 164253b9a4a9SVictor Latushkin nvlist_free(config); 1643fa9e4066Sahrens } 164453b9a4a9SVictor Latushkin if (dump_opt['u']) 164553b9a4a9SVictor Latushkin dump_label_uberblocks(&label, ashift); 1646fa9e4066Sahrens } 1647fa9e4066Sahrens } 1648fa9e4066Sahrens 1649fa9e4066Sahrens /*ARGSUSED*/ 16501d452cf5Sahrens static int 1651fd136879SMatthew Ahrens dump_one_dir(const char *dsname, void *arg) 1652fa9e4066Sahrens { 1653fa9e4066Sahrens int error; 1654fa9e4066Sahrens objset_t *os; 1655fa9e4066Sahrens 1656503ad85cSMatthew Ahrens error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1657fa9e4066Sahrens if (error) { 1658b24ab676SJeff Bonwick (void) printf("Could not open %s, error %d\n", dsname, error); 16591d452cf5Sahrens return (0); 1660fa9e4066Sahrens } 1661fa9e4066Sahrens dump_dir(os); 1662503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 1663e0d35c44Smarks fuid_table_destroy(); 16641d452cf5Sahrens return (0); 1665fa9e4066Sahrens } 1666fa9e4066Sahrens 1667fa9e4066Sahrens /* 1668b24ab676SJeff Bonwick * Block statistics. 1669fa9e4066Sahrens */ 1670fa9e4066Sahrens typedef struct zdb_blkstats { 1671fa9e4066Sahrens uint64_t zb_asize; 1672fa9e4066Sahrens uint64_t zb_lsize; 1673fa9e4066Sahrens uint64_t zb_psize; 1674fa9e4066Sahrens uint64_t zb_count; 1675fa9e4066Sahrens } zdb_blkstats_t; 1676fa9e4066Sahrens 1677b24ab676SJeff Bonwick /* 1678b24ab676SJeff Bonwick * Extended object types to report deferred frees and dedup auto-ditto blocks. 1679b24ab676SJeff Bonwick */ 1680b24ab676SJeff Bonwick #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 1681b24ab676SJeff Bonwick #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 1682b24ab676SJeff Bonwick #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2) 1683b24ab676SJeff Bonwick 1684b24ab676SJeff Bonwick static char *zdb_ot_extname[] = { 1685b24ab676SJeff Bonwick "deferred free", 1686b24ab676SJeff Bonwick "dedup ditto", 1687b24ab676SJeff Bonwick "Total", 1688b24ab676SJeff Bonwick }; 1689fa9e4066Sahrens 169088b7b0f2SMatthew Ahrens #define ZB_TOTAL DN_MAX_LEVELS 1691fa9e4066Sahrens 1692fa9e4066Sahrens typedef struct zdb_cb { 1693b24ab676SJeff Bonwick zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 1694b24ab676SJeff Bonwick uint64_t zcb_dedup_asize; 1695b24ab676SJeff Bonwick uint64_t zcb_dedup_blocks; 1696fa9e4066Sahrens uint64_t zcb_errors[256]; 1697fa9e4066Sahrens int zcb_readfails; 1698fa9e4066Sahrens int zcb_haderrors; 1699fa9e4066Sahrens } zdb_cb_t; 1700fa9e4066Sahrens 1701fa9e4066Sahrens static void 1702b24ab676SJeff Bonwick zdb_count_block(spa_t *spa, zilog_t *zilog, zdb_cb_t *zcb, const blkptr_t *bp, 1703b24ab676SJeff Bonwick dmu_object_type_t type) 1704fa9e4066Sahrens { 1705b24ab676SJeff Bonwick uint64_t refcnt = 0; 1706b24ab676SJeff Bonwick 1707b24ab676SJeff Bonwick ASSERT(type < ZDB_OT_TOTAL); 1708b24ab676SJeff Bonwick 1709b24ab676SJeff Bonwick if (zilog && zil_bp_tree_add(zilog, bp) != 0) 1710b24ab676SJeff Bonwick return; 1711b24ab676SJeff Bonwick 1712e14bb325SJeff Bonwick for (int i = 0; i < 4; i++) { 1713fa9e4066Sahrens int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1714b24ab676SJeff Bonwick int t = (i & 1) ? type : ZDB_OT_TOTAL; 1715fa9e4066Sahrens zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1716fa9e4066Sahrens 1717fa9e4066Sahrens zb->zb_asize += BP_GET_ASIZE(bp); 1718fa9e4066Sahrens zb->zb_lsize += BP_GET_LSIZE(bp); 1719fa9e4066Sahrens zb->zb_psize += BP_GET_PSIZE(bp); 1720fa9e4066Sahrens zb->zb_count++; 1721fa9e4066Sahrens } 1722fa9e4066Sahrens 1723b24ab676SJeff Bonwick if (dump_opt['L']) 1724b24ab676SJeff Bonwick return; 1725b24ab676SJeff Bonwick 1726b24ab676SJeff Bonwick if (BP_GET_DEDUP(bp)) { 1727b24ab676SJeff Bonwick ddt_t *ddt; 1728b24ab676SJeff Bonwick ddt_entry_t *dde; 1729b24ab676SJeff Bonwick 1730b24ab676SJeff Bonwick ddt = ddt_select(spa, bp); 1731b24ab676SJeff Bonwick ddt_enter(ddt); 1732b24ab676SJeff Bonwick dde = ddt_lookup(ddt, bp, B_FALSE); 1733b24ab676SJeff Bonwick 1734b24ab676SJeff Bonwick if (dde == NULL) { 1735b24ab676SJeff Bonwick refcnt = 0; 1736b24ab676SJeff Bonwick } else { 1737b24ab676SJeff Bonwick ddt_phys_t *ddp = ddt_phys_select(dde, bp); 1738b24ab676SJeff Bonwick ddt_phys_decref(ddp); 1739b24ab676SJeff Bonwick refcnt = ddp->ddp_refcnt; 1740b24ab676SJeff Bonwick if (ddt_phys_total_refcnt(dde) == 0) 1741b24ab676SJeff Bonwick ddt_remove(ddt, dde); 1742d41e7643Sek } 1743b24ab676SJeff Bonwick ddt_exit(ddt); 1744d41e7643Sek } 1745d41e7643Sek 1746b24ab676SJeff Bonwick VERIFY3U(zio_wait(zio_claim(NULL, spa, 1747b24ab676SJeff Bonwick refcnt ? 0 : spa_first_txg(spa), 1748b24ab676SJeff Bonwick bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 1749fa9e4066Sahrens } 1750fa9e4066Sahrens 1751fa9e4066Sahrens static int 1752b24ab676SJeff Bonwick zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 1753b24ab676SJeff Bonwick const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 1754fa9e4066Sahrens { 1755fa9e4066Sahrens zdb_cb_t *zcb = arg; 1756fbabab8fSmaybee char blkbuf[BP_SPRINTF_LEN]; 17576365109dSVictor Latushkin dmu_object_type_t type; 1758468c413aSTim Haley boolean_t is_metadata; 1759fa9e4066Sahrens 176088b7b0f2SMatthew Ahrens if (bp == NULL) 176188b7b0f2SMatthew Ahrens return (0); 1762e14bb325SJeff Bonwick 17636365109dSVictor Latushkin type = BP_GET_TYPE(bp); 1764e14bb325SJeff Bonwick 1765b24ab676SJeff Bonwick zdb_count_block(spa, zilog, zcb, bp, type); 17666365109dSVictor Latushkin 1767468c413aSTim Haley is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata); 17686365109dSVictor Latushkin 1769b24ab676SJeff Bonwick if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) { 1770b24ab676SJeff Bonwick int ioerr; 1771468c413aSTim Haley size_t size = BP_GET_PSIZE(bp); 1772468c413aSTim Haley void *data = malloc(size); 1773b24ab676SJeff Bonwick int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 1774b24ab676SJeff Bonwick 1775b24ab676SJeff Bonwick /* If it's an intent log block, failure is expected. */ 1776b24ab676SJeff Bonwick if (zb->zb_level == ZB_ZIL_LEVEL) 1777b24ab676SJeff Bonwick flags |= ZIO_FLAG_SPECULATIVE; 1778b24ab676SJeff Bonwick 1779b24ab676SJeff Bonwick ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 1780b24ab676SJeff Bonwick NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 1781b24ab676SJeff Bonwick 178288b7b0f2SMatthew Ahrens free(data); 178388b7b0f2SMatthew Ahrens 1784b24ab676SJeff Bonwick if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) { 1785fa9e4066Sahrens zcb->zcb_haderrors = 1; 178688b7b0f2SMatthew Ahrens zcb->zcb_errors[ioerr]++; 1787fa9e4066Sahrens 178888b7b0f2SMatthew Ahrens if (dump_opt['b'] >= 2) 1789b24ab676SJeff Bonwick sprintf_blkptr(blkbuf, bp); 179088b7b0f2SMatthew Ahrens else 179188b7b0f2SMatthew Ahrens blkbuf[0] = '\0'; 179288b7b0f2SMatthew Ahrens 1793b24ab676SJeff Bonwick (void) printf("zdb_blkptr_cb: " 1794b24ab676SJeff Bonwick "Got error %d reading " 1795b24ab676SJeff Bonwick "<%llu, %llu, %lld, %llx> %s -- skipping\n", 1796b24ab676SJeff Bonwick ioerr, 1797b24ab676SJeff Bonwick (u_longlong_t)zb->zb_objset, 1798b24ab676SJeff Bonwick (u_longlong_t)zb->zb_object, 1799b24ab676SJeff Bonwick (u_longlong_t)zb->zb_level, 1800b24ab676SJeff Bonwick (u_longlong_t)zb->zb_blkid, 1801b24ab676SJeff Bonwick blkbuf); 1802d41e7643Sek } 1803fa9e4066Sahrens } 1804fa9e4066Sahrens 1805fa9e4066Sahrens zcb->zcb_readfails = 0; 1806fa9e4066Sahrens 1807fa9e4066Sahrens if (dump_opt['b'] >= 4) { 1808b24ab676SJeff Bonwick sprintf_blkptr(blkbuf, bp); 1809b24ab676SJeff Bonwick (void) printf("objset %llu object %llu " 1810b24ab676SJeff Bonwick "level %lld offset 0x%llx %s\n", 1811fa9e4066Sahrens (u_longlong_t)zb->zb_objset, 1812fa9e4066Sahrens (u_longlong_t)zb->zb_object, 1813b24ab676SJeff Bonwick (longlong_t)zb->zb_level, 1814b24ab676SJeff Bonwick (u_longlong_t)blkid2offset(dnp, bp, zb), 181588b7b0f2SMatthew Ahrens blkbuf); 1816fa9e4066Sahrens } 1817fa9e4066Sahrens 1818fa9e4066Sahrens return (0); 1819fa9e4066Sahrens } 1820fa9e4066Sahrens 1821b24ab676SJeff Bonwick static void 1822b24ab676SJeff Bonwick zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 1823b24ab676SJeff Bonwick { 1824b24ab676SJeff Bonwick vdev_t *vd = sm->sm_ppd; 1825b24ab676SJeff Bonwick 1826b24ab676SJeff Bonwick (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 1827b24ab676SJeff Bonwick (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 1828b24ab676SJeff Bonwick } 1829b24ab676SJeff Bonwick 1830b24ab676SJeff Bonwick /* ARGSUSED */ 1831b24ab676SJeff Bonwick static void 1832b24ab676SJeff Bonwick zdb_space_map_load(space_map_t *sm) 1833b24ab676SJeff Bonwick { 1834b24ab676SJeff Bonwick } 1835b24ab676SJeff Bonwick 1836b24ab676SJeff Bonwick static void 1837b24ab676SJeff Bonwick zdb_space_map_unload(space_map_t *sm) 1838b24ab676SJeff Bonwick { 1839b24ab676SJeff Bonwick space_map_vacate(sm, zdb_leak, sm); 1840b24ab676SJeff Bonwick } 1841b24ab676SJeff Bonwick 1842b24ab676SJeff Bonwick /* ARGSUSED */ 1843b24ab676SJeff Bonwick static void 1844b24ab676SJeff Bonwick zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 1845b24ab676SJeff Bonwick { 1846b24ab676SJeff Bonwick } 1847b24ab676SJeff Bonwick 1848b24ab676SJeff Bonwick static space_map_ops_t zdb_space_map_ops = { 1849b24ab676SJeff Bonwick zdb_space_map_load, 1850b24ab676SJeff Bonwick zdb_space_map_unload, 1851b24ab676SJeff Bonwick NULL, /* alloc */ 1852b24ab676SJeff Bonwick zdb_space_map_claim, 1853b24ab676SJeff Bonwick NULL, /* free */ 1854b24ab676SJeff Bonwick NULL /* maxsize */ 1855b24ab676SJeff Bonwick }; 1856b24ab676SJeff Bonwick 1857b24ab676SJeff Bonwick static void 1858bbfd46c4SJeff Bonwick zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 1859b24ab676SJeff Bonwick { 1860bbfd46c4SJeff Bonwick ddt_bookmark_t ddb = { 0 }; 1861b24ab676SJeff Bonwick ddt_entry_t dde; 1862b24ab676SJeff Bonwick int error; 1863b24ab676SJeff Bonwick 1864bbfd46c4SJeff Bonwick while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 1865b24ab676SJeff Bonwick blkptr_t blk; 1866b24ab676SJeff Bonwick ddt_phys_t *ddp = dde.dde_phys; 1867bbfd46c4SJeff Bonwick 1868bbfd46c4SJeff Bonwick if (ddb.ddb_class == DDT_CLASS_UNIQUE) 1869bbfd46c4SJeff Bonwick return; 1870bbfd46c4SJeff Bonwick 1871b24ab676SJeff Bonwick ASSERT(ddt_phys_total_refcnt(&dde) > 1); 1872bbfd46c4SJeff Bonwick 1873b24ab676SJeff Bonwick for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 1874b24ab676SJeff Bonwick if (ddp->ddp_phys_birth == 0) 1875b24ab676SJeff Bonwick continue; 1876bbfd46c4SJeff Bonwick ddt_bp_create(ddb.ddb_checksum, 1877bbfd46c4SJeff Bonwick &dde.dde_key, ddp, &blk); 1878b24ab676SJeff Bonwick if (p == DDT_PHYS_DITTO) { 1879bbfd46c4SJeff Bonwick zdb_count_block(spa, NULL, zcb, &blk, 1880b24ab676SJeff Bonwick ZDB_OT_DITTO); 1881b24ab676SJeff Bonwick } else { 1882b24ab676SJeff Bonwick zcb->zcb_dedup_asize += 1883b24ab676SJeff Bonwick BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 1884b24ab676SJeff Bonwick zcb->zcb_dedup_blocks++; 1885b24ab676SJeff Bonwick } 1886b24ab676SJeff Bonwick } 1887b24ab676SJeff Bonwick if (!dump_opt['L']) { 1888bbfd46c4SJeff Bonwick ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 1889b24ab676SJeff Bonwick ddt_enter(ddt); 1890b24ab676SJeff Bonwick VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 1891b24ab676SJeff Bonwick ddt_exit(ddt); 1892b24ab676SJeff Bonwick } 1893b24ab676SJeff Bonwick } 1894b24ab676SJeff Bonwick 1895b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1896b24ab676SJeff Bonwick } 1897b24ab676SJeff Bonwick 1898b24ab676SJeff Bonwick static void 1899b24ab676SJeff Bonwick zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 1900b24ab676SJeff Bonwick { 1901b24ab676SJeff Bonwick if (!dump_opt['L']) { 1902b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 1903b24ab676SJeff Bonwick for (int c = 0; c < rvd->vdev_children; c++) { 1904b24ab676SJeff Bonwick vdev_t *vd = rvd->vdev_child[c]; 1905b24ab676SJeff Bonwick for (int m = 0; m < vd->vdev_ms_count; m++) { 1906b24ab676SJeff Bonwick metaslab_t *msp = vd->vdev_ms[m]; 1907b24ab676SJeff Bonwick mutex_enter(&msp->ms_lock); 1908b24ab676SJeff Bonwick space_map_unload(&msp->ms_map); 1909b24ab676SJeff Bonwick VERIFY(space_map_load(&msp->ms_map, 1910b24ab676SJeff Bonwick &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo, 1911b24ab676SJeff Bonwick spa->spa_meta_objset) == 0); 1912b24ab676SJeff Bonwick msp->ms_map.sm_ppd = vd; 1913b24ab676SJeff Bonwick mutex_exit(&msp->ms_lock); 1914b24ab676SJeff Bonwick } 1915b24ab676SJeff Bonwick } 1916b24ab676SJeff Bonwick } 1917b24ab676SJeff Bonwick 1918b24ab676SJeff Bonwick spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 1919b24ab676SJeff Bonwick 1920bbfd46c4SJeff Bonwick zdb_ddt_leak_init(spa, zcb); 1921b24ab676SJeff Bonwick 1922b24ab676SJeff Bonwick spa_config_exit(spa, SCL_CONFIG, FTAG); 1923b24ab676SJeff Bonwick } 1924b24ab676SJeff Bonwick 1925b24ab676SJeff Bonwick static void 1926b24ab676SJeff Bonwick zdb_leak_fini(spa_t *spa) 1927b24ab676SJeff Bonwick { 1928b24ab676SJeff Bonwick if (!dump_opt['L']) { 1929b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 1930b24ab676SJeff Bonwick for (int c = 0; c < rvd->vdev_children; c++) { 1931b24ab676SJeff Bonwick vdev_t *vd = rvd->vdev_child[c]; 1932b24ab676SJeff Bonwick for (int m = 0; m < vd->vdev_ms_count; m++) { 1933b24ab676SJeff Bonwick metaslab_t *msp = vd->vdev_ms[m]; 1934b24ab676SJeff Bonwick mutex_enter(&msp->ms_lock); 1935b24ab676SJeff Bonwick space_map_unload(&msp->ms_map); 1936b24ab676SJeff Bonwick mutex_exit(&msp->ms_lock); 1937b24ab676SJeff Bonwick } 1938b24ab676SJeff Bonwick } 1939b24ab676SJeff Bonwick } 1940b24ab676SJeff Bonwick } 1941b24ab676SJeff Bonwick 1942fa9e4066Sahrens static int 1943fa9e4066Sahrens dump_block_stats(spa_t *spa) 1944fa9e4066Sahrens { 1945fa9e4066Sahrens zdb_cb_t zcb = { 0 }; 1946fa9e4066Sahrens zdb_blkstats_t *zb, *tzb; 1947b24ab676SJeff Bonwick uint64_t norm_alloc, norm_space, total_alloc, total_found; 1948cd088ea4SVictor Latushkin int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 1949fa9e4066Sahrens int leaks = 0; 1950fa9e4066Sahrens 1951b24ab676SJeff Bonwick (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 1952b24ab676SJeff Bonwick (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 1953b24ab676SJeff Bonwick (dump_opt['c'] == 1) ? "metadata " : "", 1954b24ab676SJeff Bonwick dump_opt['c'] ? "checksums " : "", 1955b24ab676SJeff Bonwick (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 1956b24ab676SJeff Bonwick !dump_opt['L'] ? "nothing leaked " : ""); 1957fa9e4066Sahrens 1958fa9e4066Sahrens /* 1959e14bb325SJeff Bonwick * Load all space maps as SM_ALLOC maps, then traverse the pool 1960e14bb325SJeff Bonwick * claiming each block we discover. If the pool is perfectly 1961e14bb325SJeff Bonwick * consistent, the space maps will be empty when we're done. 1962e14bb325SJeff Bonwick * Anything left over is a leak; any block we can't claim (because 1963e14bb325SJeff Bonwick * it's not part of any space map) is a double allocation, 1964e14bb325SJeff Bonwick * reference to a freed block, or an unclaimed log block. 1965fa9e4066Sahrens */ 1966b24ab676SJeff Bonwick zdb_leak_init(spa, &zcb); 1967fa9e4066Sahrens 1968fa9e4066Sahrens /* 1969fa9e4066Sahrens * If there's a deferred-free bplist, process that first. 1970fa9e4066Sahrens */ 1971b24ab676SJeff Bonwick if (spa->spa_deferred_bplist_obj != 0) { 1972b24ab676SJeff Bonwick bplist_t *bpl = &spa->spa_deferred_bplist; 1973fa9e4066Sahrens blkptr_t blk; 1974fa9e4066Sahrens uint64_t itor = 0; 1975fa9e4066Sahrens 1976ea8dc4b6Seschrock VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset, 1977b24ab676SJeff Bonwick spa->spa_deferred_bplist_obj)); 1978fa9e4066Sahrens 1979fa9e4066Sahrens while (bplist_iterate(bpl, &itor, &blk) == 0) { 1980fa9e4066Sahrens if (dump_opt['b'] >= 4) { 1981fbabab8fSmaybee char blkbuf[BP_SPRINTF_LEN]; 1982b24ab676SJeff Bonwick sprintf_blkptr(blkbuf, &blk); 1983fa9e4066Sahrens (void) printf("[%s] %s\n", 1984fa9e4066Sahrens "deferred free", blkbuf); 1985fa9e4066Sahrens } 1986b24ab676SJeff Bonwick zdb_count_block(spa, NULL, &zcb, &blk, ZDB_OT_DEFERRED); 1987fa9e4066Sahrens } 1988fa9e4066Sahrens 1989fa9e4066Sahrens bplist_close(bpl); 1990fa9e4066Sahrens } 1991fa9e4066Sahrens 1992bbfd46c4SJeff Bonwick if (dump_opt['c'] > 1) 1993bbfd46c4SJeff Bonwick flags |= TRAVERSE_PREFETCH_DATA; 1994bbfd46c4SJeff Bonwick 1995bbfd46c4SJeff Bonwick zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 1996fa9e4066Sahrens 1997b24ab676SJeff Bonwick if (zcb.zcb_haderrors) { 1998fa9e4066Sahrens (void) printf("\nError counts:\n\n"); 1999fa9e4066Sahrens (void) printf("\t%5s %s\n", "errno", "count"); 2000b24ab676SJeff Bonwick for (int e = 0; e < 256; e++) { 2001fa9e4066Sahrens if (zcb.zcb_errors[e] != 0) { 2002fa9e4066Sahrens (void) printf("\t%5d %llu\n", 2003fa9e4066Sahrens e, (u_longlong_t)zcb.zcb_errors[e]); 2004fa9e4066Sahrens } 2005fa9e4066Sahrens } 2006fa9e4066Sahrens } 2007fa9e4066Sahrens 2008fa9e4066Sahrens /* 2009fa9e4066Sahrens * Report any leaked segments. 2010fa9e4066Sahrens */ 2011b24ab676SJeff Bonwick zdb_leak_fini(spa); 2012fa9e4066Sahrens 2013b24ab676SJeff Bonwick tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 20148654d025Sperrin 2015b24ab676SJeff Bonwick norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2016b24ab676SJeff Bonwick norm_space = metaslab_class_get_space(spa_normal_class(spa)); 20178654d025Sperrin 2018b24ab676SJeff Bonwick total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2019b24ab676SJeff Bonwick total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2020fa9e4066Sahrens 2021b24ab676SJeff Bonwick if (total_found == total_alloc) { 202282a0a985SVictor Latushkin if (!dump_opt['L']) 202382a0a985SVictor Latushkin (void) printf("\n\tNo leaks (block sum matches space" 202482a0a985SVictor Latushkin " maps exactly)\n"); 2025fa9e4066Sahrens } else { 2026fa9e4066Sahrens (void) printf("block traversal size %llu != alloc %llu " 202782a0a985SVictor Latushkin "(%s %lld)\n", 2028b24ab676SJeff Bonwick (u_longlong_t)total_found, 2029b24ab676SJeff Bonwick (u_longlong_t)total_alloc, 203082a0a985SVictor Latushkin (dump_opt['L']) ? "unreachable" : "leaked", 2031b24ab676SJeff Bonwick (longlong_t)(total_alloc - total_found)); 2032fa9e4066Sahrens leaks = 1; 2033fa9e4066Sahrens } 2034fa9e4066Sahrens 2035fa9e4066Sahrens if (tzb->zb_count == 0) 2036fa9e4066Sahrens return (2); 2037fa9e4066Sahrens 2038fa9e4066Sahrens (void) printf("\n"); 2039fa9e4066Sahrens (void) printf("\tbp count: %10llu\n", 2040fa9e4066Sahrens (u_longlong_t)tzb->zb_count); 2041b24ab676SJeff Bonwick (void) printf("\tbp logical: %10llu avg: %6llu\n", 2042fa9e4066Sahrens (u_longlong_t)tzb->zb_lsize, 2043fa9e4066Sahrens (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2044b24ab676SJeff Bonwick (void) printf("\tbp physical: %10llu avg:" 2045b24ab676SJeff Bonwick " %6llu compression: %6.2f\n", 2046fa9e4066Sahrens (u_longlong_t)tzb->zb_psize, 2047fa9e4066Sahrens (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2048fa9e4066Sahrens (double)tzb->zb_lsize / tzb->zb_psize); 2049b24ab676SJeff Bonwick (void) printf("\tbp allocated: %10llu avg:" 2050b24ab676SJeff Bonwick " %6llu compression: %6.2f\n", 2051fa9e4066Sahrens (u_longlong_t)tzb->zb_asize, 2052fa9e4066Sahrens (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2053fa9e4066Sahrens (double)tzb->zb_lsize / tzb->zb_asize); 2054b24ab676SJeff Bonwick (void) printf("\tbp deduped: %10llu ref>1:" 2055b24ab676SJeff Bonwick " %6llu deduplication: %6.2f\n", 2056b24ab676SJeff Bonwick (u_longlong_t)zcb.zcb_dedup_asize, 2057b24ab676SJeff Bonwick (u_longlong_t)zcb.zcb_dedup_blocks, 2058b24ab676SJeff Bonwick (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2059b24ab676SJeff Bonwick (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2060b24ab676SJeff Bonwick (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2061fa9e4066Sahrens 2062fa9e4066Sahrens if (dump_opt['b'] >= 2) { 2063fa9e4066Sahrens int l, t, level; 2064fa9e4066Sahrens (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2065fa9e4066Sahrens "\t avg\t comp\t%%Total\tType\n"); 2066fa9e4066Sahrens 2067b24ab676SJeff Bonwick for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2068fa9e4066Sahrens char csize[6], lsize[6], psize[6], asize[6], avg[6]; 2069fa9e4066Sahrens char *typename; 2070fa9e4066Sahrens 2071b24ab676SJeff Bonwick if (t < DMU_OT_NUMTYPES) 2072b24ab676SJeff Bonwick typename = dmu_ot[t].ot_name; 2073b24ab676SJeff Bonwick else 2074b24ab676SJeff Bonwick typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2075fa9e4066Sahrens 2076fa9e4066Sahrens if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2077fa9e4066Sahrens (void) printf("%6s\t%5s\t%5s\t%5s" 2078fa9e4066Sahrens "\t%5s\t%5s\t%6s\t%s\n", 2079fa9e4066Sahrens "-", 2080fa9e4066Sahrens "-", 2081fa9e4066Sahrens "-", 2082fa9e4066Sahrens "-", 2083fa9e4066Sahrens "-", 2084fa9e4066Sahrens "-", 2085fa9e4066Sahrens "-", 2086fa9e4066Sahrens typename); 2087fa9e4066Sahrens continue; 2088fa9e4066Sahrens } 2089fa9e4066Sahrens 2090fa9e4066Sahrens for (l = ZB_TOTAL - 1; l >= -1; l--) { 2091fa9e4066Sahrens level = (l == -1 ? ZB_TOTAL : l); 2092fa9e4066Sahrens zb = &zcb.zcb_type[level][t]; 2093fa9e4066Sahrens 2094fa9e4066Sahrens if (zb->zb_asize == 0) 2095fa9e4066Sahrens continue; 2096fa9e4066Sahrens 2097fa9e4066Sahrens if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2098fa9e4066Sahrens continue; 2099fa9e4066Sahrens 2100fa9e4066Sahrens if (level == 0 && zb->zb_asize == 2101fa9e4066Sahrens zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2102fa9e4066Sahrens continue; 2103fa9e4066Sahrens 2104fa9e4066Sahrens nicenum(zb->zb_count, csize); 2105fa9e4066Sahrens nicenum(zb->zb_lsize, lsize); 2106fa9e4066Sahrens nicenum(zb->zb_psize, psize); 2107fa9e4066Sahrens nicenum(zb->zb_asize, asize); 2108fa9e4066Sahrens nicenum(zb->zb_asize / zb->zb_count, avg); 2109fa9e4066Sahrens 2110fa9e4066Sahrens (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2111fa9e4066Sahrens "\t%5.2f\t%6.2f\t", 2112fa9e4066Sahrens csize, lsize, psize, asize, avg, 2113fa9e4066Sahrens (double)zb->zb_lsize / zb->zb_psize, 2114fa9e4066Sahrens 100.0 * zb->zb_asize / tzb->zb_asize); 2115fa9e4066Sahrens 2116fa9e4066Sahrens if (level == ZB_TOTAL) 2117fa9e4066Sahrens (void) printf("%s\n", typename); 2118fa9e4066Sahrens else 2119fa9e4066Sahrens (void) printf(" L%d %s\n", 2120fa9e4066Sahrens level, typename); 2121fa9e4066Sahrens } 2122fa9e4066Sahrens } 2123fa9e4066Sahrens } 2124fa9e4066Sahrens 2125fa9e4066Sahrens (void) printf("\n"); 2126fa9e4066Sahrens 2127fa9e4066Sahrens if (leaks) 2128fa9e4066Sahrens return (2); 2129fa9e4066Sahrens 2130fa9e4066Sahrens if (zcb.zcb_haderrors) 2131fa9e4066Sahrens return (3); 2132fa9e4066Sahrens 2133fa9e4066Sahrens return (0); 2134fa9e4066Sahrens } 2135fa9e4066Sahrens 2136b24ab676SJeff Bonwick typedef struct zdb_ddt_entry { 2137b24ab676SJeff Bonwick ddt_key_t zdde_key; 2138b24ab676SJeff Bonwick uint64_t zdde_ref_blocks; 2139b24ab676SJeff Bonwick uint64_t zdde_ref_lsize; 2140b24ab676SJeff Bonwick uint64_t zdde_ref_psize; 2141b24ab676SJeff Bonwick uint64_t zdde_ref_dsize; 2142b24ab676SJeff Bonwick avl_node_t zdde_node; 2143b24ab676SJeff Bonwick } zdb_ddt_entry_t; 2144b24ab676SJeff Bonwick 2145b24ab676SJeff Bonwick /* ARGSUSED */ 2146b24ab676SJeff Bonwick static int 2147b24ab676SJeff Bonwick zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2148b24ab676SJeff Bonwick const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2149b24ab676SJeff Bonwick { 2150b24ab676SJeff Bonwick avl_tree_t *t = arg; 2151b24ab676SJeff Bonwick avl_index_t where; 2152b24ab676SJeff Bonwick zdb_ddt_entry_t *zdde, zdde_search; 2153b24ab676SJeff Bonwick 2154b24ab676SJeff Bonwick if (bp == NULL) 2155b24ab676SJeff Bonwick return (0); 2156b24ab676SJeff Bonwick 2157b24ab676SJeff Bonwick if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2158b24ab676SJeff Bonwick (void) printf("traversing objset %llu, %llu objects, " 2159b24ab676SJeff Bonwick "%lu blocks so far\n", 2160b24ab676SJeff Bonwick (u_longlong_t)zb->zb_objset, 2161b24ab676SJeff Bonwick (u_longlong_t)bp->blk_fill, 2162b24ab676SJeff Bonwick avl_numnodes(t)); 2163b24ab676SJeff Bonwick } 2164b24ab676SJeff Bonwick 2165bbfd46c4SJeff Bonwick if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2166bbfd46c4SJeff Bonwick BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata) 2167b24ab676SJeff Bonwick return (0); 2168b24ab676SJeff Bonwick 2169b24ab676SJeff Bonwick ddt_key_fill(&zdde_search.zdde_key, bp); 2170b24ab676SJeff Bonwick 2171b24ab676SJeff Bonwick zdde = avl_find(t, &zdde_search, &where); 2172b24ab676SJeff Bonwick 2173b24ab676SJeff Bonwick if (zdde == NULL) { 2174b24ab676SJeff Bonwick zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2175b24ab676SJeff Bonwick zdde->zdde_key = zdde_search.zdde_key; 2176b24ab676SJeff Bonwick avl_insert(t, zdde, where); 2177b24ab676SJeff Bonwick } 2178b24ab676SJeff Bonwick 2179b24ab676SJeff Bonwick zdde->zdde_ref_blocks += 1; 2180b24ab676SJeff Bonwick zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2181b24ab676SJeff Bonwick zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2182b24ab676SJeff Bonwick zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2183b24ab676SJeff Bonwick 2184b24ab676SJeff Bonwick return (0); 2185b24ab676SJeff Bonwick } 2186b24ab676SJeff Bonwick 2187b24ab676SJeff Bonwick static void 2188b24ab676SJeff Bonwick dump_simulated_ddt(spa_t *spa) 2189b24ab676SJeff Bonwick { 2190b24ab676SJeff Bonwick avl_tree_t t; 2191b24ab676SJeff Bonwick void *cookie = NULL; 2192b24ab676SJeff Bonwick zdb_ddt_entry_t *zdde; 2193b24ab676SJeff Bonwick ddt_histogram_t ddh_total = { 0 }; 2194b24ab676SJeff Bonwick ddt_stat_t dds_total = { 0 }; 2195b24ab676SJeff Bonwick 2196b24ab676SJeff Bonwick avl_create(&t, ddt_entry_compare, 2197b24ab676SJeff Bonwick sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2198b24ab676SJeff Bonwick 2199b24ab676SJeff Bonwick spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2200b24ab676SJeff Bonwick 2201bbfd46c4SJeff Bonwick (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2202bbfd46c4SJeff Bonwick zdb_ddt_add_cb, &t); 2203b24ab676SJeff Bonwick 2204b24ab676SJeff Bonwick spa_config_exit(spa, SCL_CONFIG, FTAG); 2205b24ab676SJeff Bonwick 2206b24ab676SJeff Bonwick while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2207b24ab676SJeff Bonwick ddt_stat_t dds; 2208b24ab676SJeff Bonwick uint64_t refcnt = zdde->zdde_ref_blocks; 2209b24ab676SJeff Bonwick ASSERT(refcnt != 0); 2210b24ab676SJeff Bonwick 2211b24ab676SJeff Bonwick dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2212b24ab676SJeff Bonwick dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2213b24ab676SJeff Bonwick dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2214b24ab676SJeff Bonwick dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2215b24ab676SJeff Bonwick 2216b24ab676SJeff Bonwick dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2217b24ab676SJeff Bonwick dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2218b24ab676SJeff Bonwick dds.dds_ref_psize = zdde->zdde_ref_psize; 2219b24ab676SJeff Bonwick dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2220b24ab676SJeff Bonwick 2221b24ab676SJeff Bonwick ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0); 2222b24ab676SJeff Bonwick 2223b24ab676SJeff Bonwick umem_free(zdde, sizeof (*zdde)); 2224b24ab676SJeff Bonwick } 2225b24ab676SJeff Bonwick 2226b24ab676SJeff Bonwick avl_destroy(&t); 2227b24ab676SJeff Bonwick 2228b24ab676SJeff Bonwick ddt_histogram_stat(&dds_total, &ddh_total); 2229b24ab676SJeff Bonwick 2230b24ab676SJeff Bonwick (void) printf("Simulated DDT histogram:\n"); 2231b24ab676SJeff Bonwick 22329eb19f4dSGeorge Wilson zpool_dump_ddt(&dds_total, &ddh_total); 2233b24ab676SJeff Bonwick 2234b24ab676SJeff Bonwick dump_dedup_ratio(&dds_total); 2235b24ab676SJeff Bonwick } 2236b24ab676SJeff Bonwick 2237fa9e4066Sahrens static void 2238fa9e4066Sahrens dump_zpool(spa_t *spa) 2239fa9e4066Sahrens { 2240fa9e4066Sahrens dsl_pool_t *dp = spa_get_dsl(spa); 2241fa9e4066Sahrens int rc = 0; 2242fa9e4066Sahrens 2243b24ab676SJeff Bonwick if (dump_opt['S']) { 2244b24ab676SJeff Bonwick dump_simulated_ddt(spa); 2245b24ab676SJeff Bonwick return; 2246b24ab676SJeff Bonwick } 2247b24ab676SJeff Bonwick 224807428bdfSVictor Latushkin if (!dump_opt['e'] && dump_opt['C'] > 1) { 224907428bdfSVictor Latushkin (void) printf("\nCached configuration:\n"); 225007428bdfSVictor Latushkin dump_nvlist(spa->spa_config, 8); 225107428bdfSVictor Latushkin } 225207428bdfSVictor Latushkin 225307428bdfSVictor Latushkin if (dump_opt['C']) 225407428bdfSVictor Latushkin dump_config(spa); 225507428bdfSVictor Latushkin 2256fa9e4066Sahrens if (dump_opt['u']) 225753b9a4a9SVictor Latushkin dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2258fa9e4066Sahrens 2259b24ab676SJeff Bonwick if (dump_opt['D']) 2260b24ab676SJeff Bonwick dump_all_ddts(spa); 2261b24ab676SJeff Bonwick 226287219db7SVictor Latushkin if (dump_opt['d'] > 2 || dump_opt['m']) 226387219db7SVictor Latushkin dump_metaslabs(spa); 226487219db7SVictor Latushkin 226587219db7SVictor Latushkin if (dump_opt['d'] || dump_opt['i']) { 2266fa9e4066Sahrens dump_dir(dp->dp_meta_objset); 2267fa9e4066Sahrens if (dump_opt['d'] >= 3) { 2268fa9e4066Sahrens dump_bplist(dp->dp_meta_objset, 2269b24ab676SJeff Bonwick spa->spa_deferred_bplist_obj, "Deferred frees"); 2270fa9e4066Sahrens dump_dtl(spa->spa_root_vdev, 0); 2271fa9e4066Sahrens } 227207428bdfSVictor Latushkin (void) dmu_objset_find(spa_name(spa), dump_one_dir, 227307428bdfSVictor Latushkin NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2274fa9e4066Sahrens } 2275b24ab676SJeff Bonwick if (dump_opt['b'] || dump_opt['c']) 2276fa9e4066Sahrens rc = dump_block_stats(spa); 2277fa9e4066Sahrens 2278fa9e4066Sahrens if (dump_opt['s']) 2279fa9e4066Sahrens show_pool_stats(spa); 2280fa9e4066Sahrens 22818f18d1faSGeorge Wilson if (dump_opt['h']) 22828f18d1faSGeorge Wilson dump_history(spa); 22838f18d1faSGeorge Wilson 2284fa9e4066Sahrens if (rc != 0) 2285fa9e4066Sahrens exit(rc); 2286fa9e4066Sahrens } 2287fa9e4066Sahrens 228844cd46caSbillm #define ZDB_FLAG_CHECKSUM 0x0001 228944cd46caSbillm #define ZDB_FLAG_DECOMPRESS 0x0002 229044cd46caSbillm #define ZDB_FLAG_BSWAP 0x0004 229144cd46caSbillm #define ZDB_FLAG_GBH 0x0008 229244cd46caSbillm #define ZDB_FLAG_INDIRECT 0x0010 229344cd46caSbillm #define ZDB_FLAG_PHYS 0x0020 229444cd46caSbillm #define ZDB_FLAG_RAW 0x0040 229544cd46caSbillm #define ZDB_FLAG_PRINT_BLKPTR 0x0080 229644cd46caSbillm 229744cd46caSbillm int flagbits[256]; 229844cd46caSbillm 229944cd46caSbillm static void 230044cd46caSbillm zdb_print_blkptr(blkptr_t *bp, int flags) 230144cd46caSbillm { 2302b24ab676SJeff Bonwick char blkbuf[BP_SPRINTF_LEN]; 230344cd46caSbillm 230444cd46caSbillm if (flags & ZDB_FLAG_BSWAP) 230544cd46caSbillm byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 2306b24ab676SJeff Bonwick 2307b24ab676SJeff Bonwick sprintf_blkptr(blkbuf, bp); 2308b24ab676SJeff Bonwick (void) printf("%s\n", blkbuf); 230944cd46caSbillm } 231044cd46caSbillm 231144cd46caSbillm static void 231244cd46caSbillm zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 231344cd46caSbillm { 231444cd46caSbillm int i; 231544cd46caSbillm 231644cd46caSbillm for (i = 0; i < nbps; i++) 231744cd46caSbillm zdb_print_blkptr(&bp[i], flags); 231844cd46caSbillm } 231944cd46caSbillm 232044cd46caSbillm static void 232144cd46caSbillm zdb_dump_gbh(void *buf, int flags) 232244cd46caSbillm { 232344cd46caSbillm zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 232444cd46caSbillm } 232544cd46caSbillm 232644cd46caSbillm static void 232744cd46caSbillm zdb_dump_block_raw(void *buf, uint64_t size, int flags) 232844cd46caSbillm { 232944cd46caSbillm if (flags & ZDB_FLAG_BSWAP) 233044cd46caSbillm byteswap_uint64_array(buf, size); 2331b24ab676SJeff Bonwick (void) write(1, buf, size); 233244cd46caSbillm } 233344cd46caSbillm 233444cd46caSbillm static void 233544cd46caSbillm zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 233644cd46caSbillm { 233744cd46caSbillm uint64_t *d = (uint64_t *)buf; 233844cd46caSbillm int nwords = size / sizeof (uint64_t); 233944cd46caSbillm int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 234044cd46caSbillm int i, j; 234144cd46caSbillm char *hdr, *c; 234244cd46caSbillm 234344cd46caSbillm 234444cd46caSbillm if (do_bswap) 234544cd46caSbillm hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 234644cd46caSbillm else 234744cd46caSbillm hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 234844cd46caSbillm 234944cd46caSbillm (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 235044cd46caSbillm 235144cd46caSbillm for (i = 0; i < nwords; i += 2) { 235244cd46caSbillm (void) printf("%06llx: %016llx %016llx ", 235344cd46caSbillm (u_longlong_t)(i * sizeof (uint64_t)), 235444cd46caSbillm (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 235544cd46caSbillm (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 235644cd46caSbillm 235744cd46caSbillm c = (char *)&d[i]; 235844cd46caSbillm for (j = 0; j < 2 * sizeof (uint64_t); j++) 235944cd46caSbillm (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 236044cd46caSbillm (void) printf("\n"); 236144cd46caSbillm } 236244cd46caSbillm } 236344cd46caSbillm 236444cd46caSbillm /* 236544cd46caSbillm * There are two acceptable formats: 236644cd46caSbillm * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 236744cd46caSbillm * child[.child]* - For example: 0.1.1 236844cd46caSbillm * 236944cd46caSbillm * The second form can be used to specify arbitrary vdevs anywhere 237044cd46caSbillm * in the heirarchy. For example, in a pool with a mirror of 237144cd46caSbillm * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 237244cd46caSbillm */ 237344cd46caSbillm static vdev_t * 237444cd46caSbillm zdb_vdev_lookup(vdev_t *vdev, char *path) 237544cd46caSbillm { 237644cd46caSbillm char *s, *p, *q; 237744cd46caSbillm int i; 237844cd46caSbillm 237944cd46caSbillm if (vdev == NULL) 238044cd46caSbillm return (NULL); 238144cd46caSbillm 238244cd46caSbillm /* First, assume the x.x.x.x format */ 238344cd46caSbillm i = (int)strtoul(path, &s, 10); 238444cd46caSbillm if (s == path || (s && *s != '.' && *s != '\0')) 238544cd46caSbillm goto name; 238644cd46caSbillm if (i < 0 || i >= vdev->vdev_children) 238744cd46caSbillm return (NULL); 238844cd46caSbillm 238944cd46caSbillm vdev = vdev->vdev_child[i]; 239044cd46caSbillm if (*s == '\0') 239144cd46caSbillm return (vdev); 239244cd46caSbillm return (zdb_vdev_lookup(vdev, s+1)); 239344cd46caSbillm 239444cd46caSbillm name: 239544cd46caSbillm for (i = 0; i < vdev->vdev_children; i++) { 239644cd46caSbillm vdev_t *vc = vdev->vdev_child[i]; 239744cd46caSbillm 239844cd46caSbillm if (vc->vdev_path == NULL) { 239944cd46caSbillm vc = zdb_vdev_lookup(vc, path); 240044cd46caSbillm if (vc == NULL) 240144cd46caSbillm continue; 240244cd46caSbillm else 240344cd46caSbillm return (vc); 240444cd46caSbillm } 240544cd46caSbillm 240644cd46caSbillm p = strrchr(vc->vdev_path, '/'); 240744cd46caSbillm p = p ? p + 1 : vc->vdev_path; 240844cd46caSbillm q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 240944cd46caSbillm 241044cd46caSbillm if (strcmp(vc->vdev_path, path) == 0) 241144cd46caSbillm return (vc); 241244cd46caSbillm if (strcmp(p, path) == 0) 241344cd46caSbillm return (vc); 241444cd46caSbillm if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 241544cd46caSbillm return (vc); 241644cd46caSbillm } 241744cd46caSbillm 241844cd46caSbillm return (NULL); 241944cd46caSbillm } 242044cd46caSbillm 242144cd46caSbillm /* 242244cd46caSbillm * Read a block from a pool and print it out. The syntax of the 242344cd46caSbillm * block descriptor is: 242444cd46caSbillm * 242544cd46caSbillm * pool:vdev_specifier:offset:size[:flags] 242644cd46caSbillm * 242744cd46caSbillm * pool - The name of the pool you wish to read from 242844cd46caSbillm * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 242944cd46caSbillm * offset - offset, in hex, in bytes 243044cd46caSbillm * size - Amount of data to read, in hex, in bytes 243144cd46caSbillm * flags - A string of characters specifying options 243244cd46caSbillm * b: Decode a blkptr at given offset within block 243344cd46caSbillm * *c: Calculate and display checksums 2434b24ab676SJeff Bonwick * d: Decompress data before dumping 243544cd46caSbillm * e: Byteswap data before dumping 2436b24ab676SJeff Bonwick * g: Display data as a gang block header 2437b24ab676SJeff Bonwick * i: Display as an indirect block 243844cd46caSbillm * p: Do I/O to physical offset 243944cd46caSbillm * r: Dump raw data to stdout 244044cd46caSbillm * 244144cd46caSbillm * * = not yet implemented 244244cd46caSbillm */ 244344cd46caSbillm static void 244407428bdfSVictor Latushkin zdb_read_block(char *thing, spa_t *spa) 244544cd46caSbillm { 2446b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 2447b24ab676SJeff Bonwick dva_t *dva = bp->blk_dva; 244844cd46caSbillm int flags = 0; 2449b24ab676SJeff Bonwick uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 245044cd46caSbillm zio_t *zio; 245144cd46caSbillm vdev_t *vd; 2452b24ab676SJeff Bonwick void *pbuf, *lbuf, *buf; 245307428bdfSVictor Latushkin char *s, *p, *dup, *vdev, *flagstr; 2454b24ab676SJeff Bonwick int i, error; 245544cd46caSbillm 245644cd46caSbillm dup = strdup(thing); 245744cd46caSbillm s = strtok(dup, ":"); 245844cd46caSbillm vdev = s ? s : ""; 245944cd46caSbillm s = strtok(NULL, ":"); 246044cd46caSbillm offset = strtoull(s ? s : "", NULL, 16); 246144cd46caSbillm s = strtok(NULL, ":"); 246244cd46caSbillm size = strtoull(s ? s : "", NULL, 16); 246344cd46caSbillm s = strtok(NULL, ":"); 246444cd46caSbillm flagstr = s ? s : ""; 246544cd46caSbillm 246644cd46caSbillm s = NULL; 246744cd46caSbillm if (size == 0) 246844cd46caSbillm s = "size must not be zero"; 246944cd46caSbillm if (!IS_P2ALIGNED(size, DEV_BSIZE)) 247044cd46caSbillm s = "size must be a multiple of sector size"; 247144cd46caSbillm if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 247244cd46caSbillm s = "offset must be a multiple of sector size"; 247344cd46caSbillm if (s) { 247444cd46caSbillm (void) printf("Invalid block specifier: %s - %s\n", thing, s); 247544cd46caSbillm free(dup); 247644cd46caSbillm return; 247744cd46caSbillm } 247844cd46caSbillm 247944cd46caSbillm for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 248044cd46caSbillm for (i = 0; flagstr[i]; i++) { 24815ad82045Snd int bit = flagbits[(uchar_t)flagstr[i]]; 248244cd46caSbillm 248344cd46caSbillm if (bit == 0) { 248444cd46caSbillm (void) printf("***Invalid flag: %c\n", 248544cd46caSbillm flagstr[i]); 248644cd46caSbillm continue; 248744cd46caSbillm } 248844cd46caSbillm flags |= bit; 248944cd46caSbillm 249044cd46caSbillm /* If it's not something with an argument, keep going */ 2491b24ab676SJeff Bonwick if ((bit & (ZDB_FLAG_CHECKSUM | 249244cd46caSbillm ZDB_FLAG_PRINT_BLKPTR)) == 0) 249344cd46caSbillm continue; 249444cd46caSbillm 249544cd46caSbillm p = &flagstr[i + 1]; 249644cd46caSbillm if (bit == ZDB_FLAG_PRINT_BLKPTR) 249744cd46caSbillm blkptr_offset = strtoull(p, &p, 16); 249844cd46caSbillm if (*p != ':' && *p != '\0') { 249944cd46caSbillm (void) printf("***Invalid flag arg: '%s'\n", s); 250044cd46caSbillm free(dup); 250144cd46caSbillm return; 250244cd46caSbillm } 250344cd46caSbillm } 250444cd46caSbillm } 250544cd46caSbillm 250644cd46caSbillm vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 250744cd46caSbillm if (vd == NULL) { 250844cd46caSbillm (void) printf("***Invalid vdev: %s\n", vdev); 250944cd46caSbillm free(dup); 251044cd46caSbillm return; 251144cd46caSbillm } else { 251244cd46caSbillm if (vd->vdev_path) 2513b24ab676SJeff Bonwick (void) fprintf(stderr, "Found vdev: %s\n", 2514b24ab676SJeff Bonwick vd->vdev_path); 251544cd46caSbillm else 2516b24ab676SJeff Bonwick (void) fprintf(stderr, "Found vdev type: %s\n", 251744cd46caSbillm vd->vdev_ops->vdev_op_type); 251844cd46caSbillm } 251944cd46caSbillm 2520b24ab676SJeff Bonwick psize = size; 2521b24ab676SJeff Bonwick lsize = size; 252244cd46caSbillm 2523b24ab676SJeff Bonwick pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2524b24ab676SJeff Bonwick lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2525b24ab676SJeff Bonwick 2526b24ab676SJeff Bonwick BP_ZERO(bp); 2527b24ab676SJeff Bonwick 2528b24ab676SJeff Bonwick DVA_SET_VDEV(&dva[0], vd->vdev_id); 2529b24ab676SJeff Bonwick DVA_SET_OFFSET(&dva[0], offset); 2530b24ab676SJeff Bonwick DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 2531b24ab676SJeff Bonwick DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 2532b24ab676SJeff Bonwick 2533b24ab676SJeff Bonwick BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 2534b24ab676SJeff Bonwick 2535b24ab676SJeff Bonwick BP_SET_LSIZE(bp, lsize); 2536b24ab676SJeff Bonwick BP_SET_PSIZE(bp, psize); 2537b24ab676SJeff Bonwick BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 2538b24ab676SJeff Bonwick BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 2539b24ab676SJeff Bonwick BP_SET_TYPE(bp, DMU_OT_NONE); 2540b24ab676SJeff Bonwick BP_SET_LEVEL(bp, 0); 2541b24ab676SJeff Bonwick BP_SET_DEDUP(bp, 0); 2542b24ab676SJeff Bonwick BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 254344cd46caSbillm 2544e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 254544cd46caSbillm zio = zio_root(spa, NULL, NULL, 0); 2546b24ab676SJeff Bonwick 2547b24ab676SJeff Bonwick if (vd == vd->vdev_top) { 2548b24ab676SJeff Bonwick /* 2549b24ab676SJeff Bonwick * Treat this as a normal block read. 2550b24ab676SJeff Bonwick */ 2551b24ab676SJeff Bonwick zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 2552b24ab676SJeff Bonwick ZIO_PRIORITY_SYNC_READ, 2553b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 2554b24ab676SJeff Bonwick } else { 2555b24ab676SJeff Bonwick /* 2556b24ab676SJeff Bonwick * Treat this as a vdev child I/O. 2557b24ab676SJeff Bonwick */ 2558b24ab676SJeff Bonwick zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 2559b24ab676SJeff Bonwick ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 2560b24ab676SJeff Bonwick ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2561b24ab676SJeff Bonwick ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 2562b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 2563b24ab676SJeff Bonwick } 2564b24ab676SJeff Bonwick 256544cd46caSbillm error = zio_wait(zio); 2566e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 256744cd46caSbillm 256844cd46caSbillm if (error) { 256944cd46caSbillm (void) printf("Read of %s failed, error: %d\n", thing, error); 257044cd46caSbillm goto out; 257144cd46caSbillm } 257244cd46caSbillm 2573b24ab676SJeff Bonwick if (flags & ZDB_FLAG_DECOMPRESS) { 2574b24ab676SJeff Bonwick /* 2575b24ab676SJeff Bonwick * We don't know how the data was compressed, so just try 2576b24ab676SJeff Bonwick * every decompress function at every inflated blocksize. 2577b24ab676SJeff Bonwick */ 2578b24ab676SJeff Bonwick enum zio_compress c; 2579b24ab676SJeff Bonwick void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2580b24ab676SJeff Bonwick void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2581b24ab676SJeff Bonwick 2582b24ab676SJeff Bonwick bcopy(pbuf, pbuf2, psize); 2583b24ab676SJeff Bonwick 2584b24ab676SJeff Bonwick VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 2585b24ab676SJeff Bonwick SPA_MAXBLOCKSIZE - psize) == 0); 2586b24ab676SJeff Bonwick 2587b24ab676SJeff Bonwick VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 2588b24ab676SJeff Bonwick SPA_MAXBLOCKSIZE - psize) == 0); 2589b24ab676SJeff Bonwick 2590b24ab676SJeff Bonwick for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 2591b24ab676SJeff Bonwick lsize -= SPA_MINBLOCKSIZE) { 2592b24ab676SJeff Bonwick for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 2593b24ab676SJeff Bonwick if (zio_decompress_data(c, pbuf, lbuf, 2594b24ab676SJeff Bonwick psize, lsize) == 0 && 2595b24ab676SJeff Bonwick zio_decompress_data(c, pbuf2, lbuf2, 2596b24ab676SJeff Bonwick psize, lsize) == 0 && 2597b24ab676SJeff Bonwick bcmp(lbuf, lbuf2, lsize) == 0) 2598b24ab676SJeff Bonwick break; 2599b24ab676SJeff Bonwick } 2600b24ab676SJeff Bonwick if (c != ZIO_COMPRESS_FUNCTIONS) 2601b24ab676SJeff Bonwick break; 2602b24ab676SJeff Bonwick lsize -= SPA_MINBLOCKSIZE; 2603b24ab676SJeff Bonwick } 2604b24ab676SJeff Bonwick 2605b24ab676SJeff Bonwick umem_free(pbuf2, SPA_MAXBLOCKSIZE); 2606b24ab676SJeff Bonwick umem_free(lbuf2, SPA_MAXBLOCKSIZE); 2607b24ab676SJeff Bonwick 2608b24ab676SJeff Bonwick if (lsize <= psize) { 2609b24ab676SJeff Bonwick (void) printf("Decompress of %s failed\n", thing); 2610b24ab676SJeff Bonwick goto out; 2611b24ab676SJeff Bonwick } 2612b24ab676SJeff Bonwick buf = lbuf; 2613b24ab676SJeff Bonwick size = lsize; 2614b24ab676SJeff Bonwick } else { 2615b24ab676SJeff Bonwick buf = pbuf; 2616b24ab676SJeff Bonwick size = psize; 2617b24ab676SJeff Bonwick } 2618b24ab676SJeff Bonwick 261944cd46caSbillm if (flags & ZDB_FLAG_PRINT_BLKPTR) 262044cd46caSbillm zdb_print_blkptr((blkptr_t *)(void *) 262144cd46caSbillm ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 262244cd46caSbillm else if (flags & ZDB_FLAG_RAW) 262344cd46caSbillm zdb_dump_block_raw(buf, size, flags); 262444cd46caSbillm else if (flags & ZDB_FLAG_INDIRECT) 262544cd46caSbillm zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 262644cd46caSbillm flags); 262744cd46caSbillm else if (flags & ZDB_FLAG_GBH) 262844cd46caSbillm zdb_dump_gbh(buf, flags); 262944cd46caSbillm else 263044cd46caSbillm zdb_dump_block(thing, buf, size, flags); 263144cd46caSbillm 263244cd46caSbillm out: 2633b24ab676SJeff Bonwick umem_free(pbuf, SPA_MAXBLOCKSIZE); 2634b24ab676SJeff Bonwick umem_free(lbuf, SPA_MAXBLOCKSIZE); 263544cd46caSbillm free(dup); 263644cd46caSbillm } 263744cd46caSbillm 2638de6628f0Sck static boolean_t 26393ad6c7f9SVictor Latushkin pool_match(nvlist_t *cfg, char *tgt) 2640de6628f0Sck { 26413ad6c7f9SVictor Latushkin uint64_t v, guid = strtoull(tgt, NULL, 0); 2642de6628f0Sck char *s; 2643de6628f0Sck 2644de6628f0Sck if (guid != 0) { 26453ad6c7f9SVictor Latushkin if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 26463ad6c7f9SVictor Latushkin return (v == guid); 2647de6628f0Sck } else { 26483ad6c7f9SVictor Latushkin if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 26493ad6c7f9SVictor Latushkin return (strcmp(s, tgt) == 0); 2650de6628f0Sck } 26513ad6c7f9SVictor Latushkin return (B_FALSE); 2652de6628f0Sck } 2653de6628f0Sck 26543ad6c7f9SVictor Latushkin static char * 26553ad6c7f9SVictor Latushkin find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 2656de6628f0Sck { 2657de6628f0Sck nvlist_t *pools; 2658de6628f0Sck nvlist_t *match = NULL; 26593ad6c7f9SVictor Latushkin char *name = NULL; 26603ad6c7f9SVictor Latushkin char *sepp = NULL; 26613ad6c7f9SVictor Latushkin char sep; 26623ad6c7f9SVictor Latushkin int count = 0; 2663d41c4376SMark J Musante importargs_t args = { 0 }; 2664d41c4376SMark J Musante 2665d41c4376SMark J Musante args.paths = dirc; 2666d41c4376SMark J Musante args.path = dirv; 2667d41c4376SMark J Musante args.can_be_active = B_TRUE; 2668de6628f0Sck 26693ad6c7f9SVictor Latushkin if ((sepp = strpbrk(*target, "/@")) != NULL) { 26703ad6c7f9SVictor Latushkin sep = *sepp; 26713ad6c7f9SVictor Latushkin *sepp = '\0'; 26723ad6c7f9SVictor Latushkin } 26733ad6c7f9SVictor Latushkin 2674d41c4376SMark J Musante pools = zpool_search_import(g_zfs, &args); 2675de6628f0Sck 2676de6628f0Sck if (pools != NULL) { 2677de6628f0Sck nvpair_t *elem = NULL; 2678de6628f0Sck while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2679de6628f0Sck verify(nvpair_value_nvlist(elem, configp) == 0); 26803ad6c7f9SVictor Latushkin if (pool_match(*configp, *target)) { 26813ad6c7f9SVictor Latushkin count++; 2682de6628f0Sck if (match != NULL) { 26833ad6c7f9SVictor Latushkin /* print previously found config */ 26843ad6c7f9SVictor Latushkin if (name != NULL) { 26853ad6c7f9SVictor Latushkin (void) printf("%s\n", name); 26863ad6c7f9SVictor Latushkin dump_nvlist(match, 8); 26873ad6c7f9SVictor Latushkin name = NULL; 26883ad6c7f9SVictor Latushkin } 26893ad6c7f9SVictor Latushkin (void) printf("%s\n", 26903ad6c7f9SVictor Latushkin nvpair_name(elem)); 26913ad6c7f9SVictor Latushkin dump_nvlist(*configp, 8); 2692de6628f0Sck } else { 2693de6628f0Sck match = *configp; 26943ad6c7f9SVictor Latushkin name = nvpair_name(elem); 2695de6628f0Sck } 2696de6628f0Sck } 2697de6628f0Sck } 2698de6628f0Sck } 26993ad6c7f9SVictor Latushkin if (count > 1) 27003ad6c7f9SVictor Latushkin (void) fatal("\tMatched %d pools - use pool GUID " 27013ad6c7f9SVictor Latushkin "instead of pool name or \n" 27023ad6c7f9SVictor Latushkin "\tpool name part of a dataset name to select pool", count); 27033ad6c7f9SVictor Latushkin 27043ad6c7f9SVictor Latushkin if (sepp) 27053ad6c7f9SVictor Latushkin *sepp = sep; 27063ad6c7f9SVictor Latushkin /* 27073ad6c7f9SVictor Latushkin * If pool GUID was specified for pool id, replace it with pool name 27083ad6c7f9SVictor Latushkin */ 27093ad6c7f9SVictor Latushkin if (name && (strstr(*target, name) != *target)) { 27103ad6c7f9SVictor Latushkin int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 27113ad6c7f9SVictor Latushkin 27123ad6c7f9SVictor Latushkin *target = umem_alloc(sz, UMEM_NOFAIL); 27133ad6c7f9SVictor Latushkin (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 27143ad6c7f9SVictor Latushkin } 2715de6628f0Sck 27163ad6c7f9SVictor Latushkin *configp = name ? match : NULL; 2717de6628f0Sck 27183ad6c7f9SVictor Latushkin return (name); 2719de6628f0Sck } 2720de6628f0Sck 2721fa9e4066Sahrens int 2722fa9e4066Sahrens main(int argc, char **argv) 2723fa9e4066Sahrens { 2724fa9e4066Sahrens int i, c; 2725fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 27263ad6c7f9SVictor Latushkin spa_t *spa = NULL; 2727fa9e4066Sahrens objset_t *os = NULL; 2728fa9e4066Sahrens int dump_all = 1; 2729fa9e4066Sahrens int verbose = 0; 2730c8ee1847SVictor Latushkin int error = 0; 27313ad6c7f9SVictor Latushkin char **searchdirs = NULL; 27323ad6c7f9SVictor Latushkin int nsearch = 0; 27333ad6c7f9SVictor Latushkin char *target; 2734468c413aSTim Haley nvlist_t *policy = NULL; 2735468c413aSTim Haley uint64_t max_txg = UINT64_MAX; 2736c8ee1847SVictor Latushkin int rewind = ZPOOL_NEVER_REWIND; 2737fa9e4066Sahrens 2738fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 2739004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 2740fa9e4066Sahrens 2741fa9e4066Sahrens dprintf_setup(&argc, argv); 2742fa9e4066Sahrens 2743c8ee1847SVictor Latushkin while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:")) != -1) { 2744fa9e4066Sahrens switch (c) { 2745fa9e4066Sahrens case 'b': 2746fa9e4066Sahrens case 'c': 2747b24ab676SJeff Bonwick case 'd': 2748b24ab676SJeff Bonwick case 'h': 2749b24ab676SJeff Bonwick case 'i': 2750b24ab676SJeff Bonwick case 'l': 2751d6e555bdSGeorge Wilson case 'm': 2752fa9e4066Sahrens case 's': 2753b24ab676SJeff Bonwick case 'u': 2754fa9e4066Sahrens case 'C': 2755b24ab676SJeff Bonwick case 'D': 275644cd46caSbillm case 'R': 2757b24ab676SJeff Bonwick case 'S': 2758fa9e4066Sahrens dump_opt[c]++; 2759fa9e4066Sahrens dump_all = 0; 2760fa9e4066Sahrens break; 2761feef89cfSVictor Latushkin case 'A': 2762c8ee1847SVictor Latushkin case 'F': 276382a0a985SVictor Latushkin case 'L': 2764c8ee1847SVictor Latushkin case 'X': 27653ad6c7f9SVictor Latushkin case 'e': 276682a0a985SVictor Latushkin dump_opt[c]++; 276782a0a985SVictor Latushkin break; 2768fa9e4066Sahrens case 'v': 2769fa9e4066Sahrens verbose++; 2770fa9e4066Sahrens break; 2771de6628f0Sck case 'p': 27723ad6c7f9SVictor Latushkin if (searchdirs == NULL) { 27733ad6c7f9SVictor Latushkin searchdirs = umem_alloc(sizeof (char *), 27743ad6c7f9SVictor Latushkin UMEM_NOFAIL); 27753ad6c7f9SVictor Latushkin } else { 27763ad6c7f9SVictor Latushkin char **tmp = umem_alloc((nsearch + 1) * 27773ad6c7f9SVictor Latushkin sizeof (char *), UMEM_NOFAIL); 27783ad6c7f9SVictor Latushkin bcopy(searchdirs, tmp, nsearch * 27793ad6c7f9SVictor Latushkin sizeof (char *)); 27803ad6c7f9SVictor Latushkin umem_free(searchdirs, 27813ad6c7f9SVictor Latushkin nsearch * sizeof (char *)); 27823ad6c7f9SVictor Latushkin searchdirs = tmp; 27833ad6c7f9SVictor Latushkin } 27843ad6c7f9SVictor Latushkin searchdirs[nsearch++] = optarg; 2785de6628f0Sck break; 27862e551927SVictor Latushkin case 't': 2787468c413aSTim Haley max_txg = strtoull(optarg, NULL, 0); 2788468c413aSTim Haley if (max_txg < TXG_INITIAL) { 27892e551927SVictor Latushkin (void) fprintf(stderr, "incorrect txg " 27902e551927SVictor Latushkin "specified: %s\n", optarg); 27912e551927SVictor Latushkin usage(); 27922e551927SVictor Latushkin } 27932e551927SVictor Latushkin break; 2794b24ab676SJeff Bonwick case 'U': 2795b24ab676SJeff Bonwick spa_config_path = optarg; 2796b24ab676SJeff Bonwick break; 2797fa9e4066Sahrens default: 2798fa9e4066Sahrens usage(); 2799fa9e4066Sahrens break; 2800fa9e4066Sahrens } 2801fa9e4066Sahrens } 2802fa9e4066Sahrens 28033ad6c7f9SVictor Latushkin if (!dump_opt['e'] && searchdirs != NULL) { 280488b7b0f2SMatthew Ahrens (void) fprintf(stderr, "-p option requires use of -e\n"); 280588b7b0f2SMatthew Ahrens usage(); 280688b7b0f2SMatthew Ahrens } 2807de6628f0Sck 2808fa9e4066Sahrens kernel_init(FREAD); 2809de6628f0Sck g_zfs = libzfs_init(); 281091ebeef5Sahrens ASSERT(g_zfs != NULL); 2811fa9e4066Sahrens 2812b24ab676SJeff Bonwick if (dump_all) 2813b24ab676SJeff Bonwick verbose = MAX(verbose, 1); 2814b24ab676SJeff Bonwick 2815fa9e4066Sahrens for (c = 0; c < 256; c++) { 2816c8ee1847SVictor Latushkin if (dump_all && !strchr("elAFLRSX", c)) 2817fa9e4066Sahrens dump_opt[c] = 1; 2818fa9e4066Sahrens if (dump_opt[c]) 2819fa9e4066Sahrens dump_opt[c] += verbose; 2820fa9e4066Sahrens } 2821fa9e4066Sahrens 2822feef89cfSVictor Latushkin aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 2823feef89cfSVictor Latushkin zfs_recover = (dump_opt['A'] > 1); 2824feef89cfSVictor Latushkin 2825fa9e4066Sahrens argc -= optind; 2826fa9e4066Sahrens argv += optind; 2827fa9e4066Sahrens 282807428bdfSVictor Latushkin if (argc < 2 && dump_opt['R']) 282907428bdfSVictor Latushkin usage(); 2830fa9e4066Sahrens if (argc < 1) { 28313ad6c7f9SVictor Latushkin if (!dump_opt['e'] && dump_opt['C']) { 2832e829d913Sck dump_cachefile(spa_config_path); 2833fa9e4066Sahrens return (0); 2834fa9e4066Sahrens } 2835fa9e4066Sahrens usage(); 2836fa9e4066Sahrens } 2837fa9e4066Sahrens 2838fa9e4066Sahrens if (dump_opt['l']) { 2839fa9e4066Sahrens dump_label(argv[0]); 2840fa9e4066Sahrens return (0); 2841fa9e4066Sahrens } 2842fa9e4066Sahrens 2843c8ee1847SVictor Latushkin if (dump_opt['X'] || dump_opt['F']) 2844c8ee1847SVictor Latushkin rewind = ZPOOL_DO_REWIND | 2845c8ee1847SVictor Latushkin (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 2846c8ee1847SVictor Latushkin 2847c8ee1847SVictor Latushkin if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 2848c8ee1847SVictor Latushkin nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 2849c8ee1847SVictor Latushkin nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 2850c8ee1847SVictor Latushkin fatal("internal error: %s", strerror(ENOMEM)); 2851c8ee1847SVictor Latushkin 2852c5904d13Seschrock error = 0; 28533ad6c7f9SVictor Latushkin target = argv[0]; 2854990b4856Slling 28553ad6c7f9SVictor Latushkin if (dump_opt['e']) { 28563ad6c7f9SVictor Latushkin nvlist_t *cfg = NULL; 28573ad6c7f9SVictor Latushkin char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 2858990b4856Slling 28593ad6c7f9SVictor Latushkin error = ENOENT; 28603ad6c7f9SVictor Latushkin if (name) { 286107428bdfSVictor Latushkin if (dump_opt['C'] > 1) { 286207428bdfSVictor Latushkin (void) printf("\nConfiguration for import:\n"); 286307428bdfSVictor Latushkin dump_nvlist(cfg, 8); 286407428bdfSVictor Latushkin } 2865c8ee1847SVictor Latushkin if (nvlist_add_nvlist(cfg, 2866468c413aSTim Haley ZPOOL_REWIND_POLICY, policy) != 0) { 2867468c413aSTim Haley fatal("can't open '%s': %s", 2868468c413aSTim Haley target, strerror(ENOMEM)); 2869468c413aSTim Haley } 28703ad6c7f9SVictor Latushkin if ((error = spa_import(name, cfg, NULL)) != 0) 28713ad6c7f9SVictor Latushkin error = spa_import_verbatim(name, cfg, NULL); 2872de6628f0Sck } 2873c5904d13Seschrock } 2874c5904d13Seschrock 2875c5904d13Seschrock if (error == 0) { 287607428bdfSVictor Latushkin if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 287780eb36f2SGeorge Wilson error = spa_open_rewind(target, &spa, FTAG, policy, 287880eb36f2SGeorge Wilson NULL); 28798f18d1faSGeorge Wilson if (error) { 28808f18d1faSGeorge Wilson /* 28818f18d1faSGeorge Wilson * If we're missing the log device then 28828f18d1faSGeorge Wilson * try opening the pool after clearing the 28838f18d1faSGeorge Wilson * log state. 28848f18d1faSGeorge Wilson */ 28858f18d1faSGeorge Wilson mutex_enter(&spa_namespace_lock); 28863ad6c7f9SVictor Latushkin if ((spa = spa_lookup(target)) != NULL && 28878f18d1faSGeorge Wilson spa->spa_log_state == SPA_LOG_MISSING) { 28888f18d1faSGeorge Wilson spa->spa_log_state = SPA_LOG_CLEAR; 28898f18d1faSGeorge Wilson error = 0; 28908f18d1faSGeorge Wilson } 28918f18d1faSGeorge Wilson mutex_exit(&spa_namespace_lock); 28928f18d1faSGeorge Wilson 289380eb36f2SGeorge Wilson if (!error) { 289480eb36f2SGeorge Wilson error = spa_open_rewind(target, &spa, 289580eb36f2SGeorge Wilson FTAG, policy, NULL); 289680eb36f2SGeorge Wilson } 28978f18d1faSGeorge Wilson } 289807428bdfSVictor Latushkin } else { 289907428bdfSVictor Latushkin error = dmu_objset_own(target, DMU_OST_ANY, 290007428bdfSVictor Latushkin B_TRUE, FTAG, &os); 2901c5904d13Seschrock } 2902fa9e4066Sahrens } 290380eb36f2SGeorge Wilson nvlist_free(policy); 290480eb36f2SGeorge Wilson 2905fa9e4066Sahrens if (error) 29063ad6c7f9SVictor Latushkin fatal("can't open '%s': %s", target, strerror(error)); 2907fa9e4066Sahrens 2908fa9e4066Sahrens argv++; 290907428bdfSVictor Latushkin argc--; 291007428bdfSVictor Latushkin if (!dump_opt['R']) { 291107428bdfSVictor Latushkin if (argc > 0) { 291207428bdfSVictor Latushkin zopt_objects = argc; 291307428bdfSVictor Latushkin zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 291407428bdfSVictor Latushkin for (i = 0; i < zopt_objects; i++) { 291507428bdfSVictor Latushkin errno = 0; 291607428bdfSVictor Latushkin zopt_object[i] = strtoull(argv[i], NULL, 0); 291707428bdfSVictor Latushkin if (zopt_object[i] == 0 && errno != 0) 291887219db7SVictor Latushkin fatal("bad number %s: %s", 291907428bdfSVictor Latushkin argv[i], strerror(errno)); 292007428bdfSVictor Latushkin } 2921fa9e4066Sahrens } 292207428bdfSVictor Latushkin (os != NULL) ? dump_dir(os) : dump_zpool(spa); 2923fa9e4066Sahrens } else { 292407428bdfSVictor Latushkin flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 292507428bdfSVictor Latushkin flagbits['c'] = ZDB_FLAG_CHECKSUM; 292607428bdfSVictor Latushkin flagbits['d'] = ZDB_FLAG_DECOMPRESS; 292707428bdfSVictor Latushkin flagbits['e'] = ZDB_FLAG_BSWAP; 292807428bdfSVictor Latushkin flagbits['g'] = ZDB_FLAG_GBH; 292907428bdfSVictor Latushkin flagbits['i'] = ZDB_FLAG_INDIRECT; 293007428bdfSVictor Latushkin flagbits['p'] = ZDB_FLAG_PHYS; 293107428bdfSVictor Latushkin flagbits['r'] = ZDB_FLAG_RAW; 293207428bdfSVictor Latushkin 293307428bdfSVictor Latushkin for (i = 0; i < argc; i++) 293407428bdfSVictor Latushkin zdb_read_block(argv[i], spa); 2935fa9e4066Sahrens } 2936fa9e4066Sahrens 293707428bdfSVictor Latushkin (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 293807428bdfSVictor Latushkin 2939e0d35c44Smarks fuid_table_destroy(); 2940e0d35c44Smarks 2941de6628f0Sck libzfs_fini(g_zfs); 2942fa9e4066Sahrens kernel_fini(); 2943fa9e4066Sahrens 2944fa9e4066Sahrens return (0); 2945fa9e4066Sahrens } 2946