zdb.c revision 8248818d5849649ef734d62da097e90222a23763
1fa9e406ahrens/*
2fa9e406ahrens * CDDL HEADER START
3fa9e406ahrens *
4fa9e406ahrens * The contents of this file are subject to the terms of the
5ea8dc4beschrock * Common Development and Distribution License (the "License").
6ea8dc4beschrock * You may not use this file except in compliance with the License.
7fa9e406ahrens *
8fa9e406ahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9fa9e406ahrens * or http://www.opensolaris.org/os/licensing.
10fa9e406ahrens * See the License for the specific language governing permissions
11fa9e406ahrens * and limitations under the License.
12fa9e406ahrens *
13fa9e406ahrens * When distributing Covered Code, include this CDDL HEADER in each
14fa9e406ahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15fa9e406ahrens * If applicable, add the following below this CDDL HEADER, with the
16fa9e406ahrens * fields enclosed by brackets "[]" replaced with your own identifying
17fa9e406ahrens * information: Portions Copyright [yyyy] [name of copyright owner]
18fa9e406ahrens *
19fa9e406ahrens * CDDL HEADER END
20fa9e406ahrens */
21fa9e406ahrens/*
22ea8dc4beschrock * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23fa9e406ahrens * Use is subject to license terms.
24fa9e406ahrens */
25fa9e406ahrens
26fa9e406ahrens#pragma ident	"%Z%%M%	%I%	%E% SMI"
27fa9e406ahrens
28fa9e406ahrens#include <stdio.h>
29fa9e406ahrens#include <stdlib.h>
30fa9e406ahrens#include <sys/zfs_context.h>
31fa9e406ahrens#include <sys/spa.h>
32fa9e406ahrens#include <sys/spa_impl.h>
33fa9e406ahrens#include <sys/dmu.h>
34fa9e406ahrens#include <sys/zap.h>
35fa9e406ahrens#include <sys/fs/zfs.h>
36fa9e406ahrens#include <sys/zfs_znode.h>
37fa9e406ahrens#include <sys/vdev.h>
38fa9e406ahrens#include <sys/vdev_impl.h>
39fa9e406ahrens#include <sys/metaslab_impl.h>
40fa9e406ahrens#include <sys/dmu_objset.h>
41fa9e406ahrens#include <sys/dsl_dir.h>
42fa9e406ahrens#include <sys/dsl_dataset.h>
43fa9e406ahrens#include <sys/dsl_pool.h>
44fa9e406ahrens#include <sys/dbuf.h>
45fa9e406ahrens#include <sys/zil.h>
46fa9e406ahrens#include <sys/zil_impl.h>
47fa9e406ahrens#include <sys/stat.h>
48fa9e406ahrens#include <sys/resource.h>
49fa9e406ahrens#include <sys/dmu_traverse.h>
50fa9e406ahrens#include <sys/zio_checksum.h>
51fa9e406ahrens#include <sys/zio_compress.h>
52fa9e406ahrens
53fa9e406ahrensconst char cmdname[] = "zdb";
54fa9e406ahrensuint8_t dump_opt[256];
55fa9e406ahrens
56fa9e406ahrenstypedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
57fa9e406ahrens
58fa9e406ahrensextern void dump_intent_log(zilog_t *);
59fa9e406ahrensuint64_t *zopt_object = NULL;
60fa9e406ahrensint zopt_objects = 0;
61fa9e406ahrensint zdb_advance = ADVANCE_PRE;
62fa9e406ahrenszbookmark_t zdb_noread = { 0, 0, ZB_NO_LEVEL, 0 };
63fa9e406ahrens
64fa9e406ahrens/*
65fa9e406ahrens * These libumem hooks provide a reasonable set of defaults for the allocator's
66fa9e406ahrens * debugging facilities.
67fa9e406ahrens */
68fa9e406ahrensconst char *
69fa9e406ahrens_umem_debug_init()
70fa9e406ahrens{
71fa9e406ahrens	return ("default,verbose"); /* $UMEM_DEBUG setting */
72fa9e406ahrens}
73fa9e406ahrens
74fa9e406ahrensconst char *
75fa9e406ahrens_umem_logging_init(void)
76fa9e406ahrens{
77fa9e406ahrens	return ("fail,contents"); /* $UMEM_LOGGING setting */
78fa9e406ahrens}
79fa9e406ahrens
80fa9e406ahrensstatic void
81fa9e406ahrensusage(void)
82fa9e406ahrens{
83fa9e406ahrens	(void) fprintf(stderr,
84fa9e406ahrens	    "Usage: %s [-udibcsvLU] [-O order] [-B os:obj:level:blkid] "
85fa9e406ahrens	    "dataset [object...]\n"
86fa9e406ahrens	    "       %s -C [pool]\n"
87fa9e406ahrens	    "       %s -l dev\n",
88fa9e406ahrens	    cmdname, cmdname, cmdname);
89fa9e406ahrens
90fa9e406ahrens	(void) fprintf(stderr, "	-u uberblock\n");
91fa9e406ahrens	(void) fprintf(stderr, "	-d datasets\n");
92fa9e406ahrens	(void) fprintf(stderr, "        -C cached pool configuration\n");
93fa9e406ahrens	(void) fprintf(stderr, "	-i intent logs\n");
94fa9e406ahrens	(void) fprintf(stderr, "	-b block statistics\n");
95fa9e406ahrens	(void) fprintf(stderr, "	-c checksum all data blocks\n");
96fa9e406ahrens	(void) fprintf(stderr, "	-s report stats on zdb's I/O\n");
97fa9e406ahrens	(void) fprintf(stderr, "	-v verbose (applies to all others)\n");
98fa9e406ahrens	(void) fprintf(stderr, "        -l dump label contents\n");
99fa9e406ahrens	(void) fprintf(stderr, "	-L live pool (allows some errors)\n");
100fa9e406ahrens	(void) fprintf(stderr, "	-O [!]<pre|post|prune|data|holes> "
101fa9e406ahrens	    "visitation order\n");
102fa9e406ahrens	(void) fprintf(stderr, "	-U use zpool.cache in /tmp\n");
103fa9e406ahrens	(void) fprintf(stderr, "	-B objset:object:level:blkid -- "
104fa9e406ahrens	    "simulate bad block\n");
105fa9e406ahrens	(void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
106fa9e406ahrens	    "to make only that option verbose\n");
107fa9e406ahrens	(void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
108fa9e406ahrens	exit(1);
109fa9e406ahrens}
110fa9e406ahrens
111fa9e406ahrensstatic void
112fa9e406ahrensfatal(const char *fmt, ...)
113fa9e406ahrens{
114fa9e406ahrens	va_list ap;
115fa9e406ahrens
116fa9e406ahrens	va_start(ap, fmt);
117fa9e406ahrens	(void) fprintf(stderr, "%s: ", cmdname);
118fa9e406ahrens	(void) vfprintf(stderr, fmt, ap);
119fa9e406ahrens	va_end(ap);
120fa9e406ahrens	(void) fprintf(stderr, "\n");
121fa9e406ahrens
122fa9e406ahrens	exit(1);
123fa9e406ahrens}
124fa9e406ahrens
125fa9e406ahrensstatic void
126fa9e406ahrensdump_nvlist(nvlist_t *list, int indent)
127fa9e406ahrens{
128fa9e406ahrens	nvpair_t *elem = NULL;
129fa9e406ahrens
130fa9e406ahrens	while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
131fa9e406ahrens		switch (nvpair_type(elem)) {
132fa9e406ahrens		case DATA_TYPE_STRING:
133fa9e406ahrens			{
134fa9e406ahrens				char *value;
135fa9e406ahrens
136fa9e406ahrens				VERIFY(nvpair_value_string(elem, &value) == 0);
137fa9e406ahrens				(void) printf("%*s%s='%s'\n", indent, "",
138fa9e406ahrens				    nvpair_name(elem), value);
139fa9e406ahrens			}
140fa9e406ahrens			break;
141fa9e406ahrens
142fa9e406ahrens		case DATA_TYPE_UINT64:
143fa9e406ahrens			{
144fa9e406ahrens				uint64_t value;
145fa9e406ahrens
146fa9e406ahrens				VERIFY(nvpair_value_uint64(elem, &value) == 0);
147fa9e406ahrens				(void) printf("%*s%s=%llu\n", indent, "",
148fa9e406ahrens				    nvpair_name(elem), (u_longlong_t)value);
149fa9e406ahrens			}
150fa9e406ahrens			break;
151fa9e406ahrens
152fa9e406ahrens		case DATA_TYPE_NVLIST:
153fa9e406ahrens			{
154fa9e406ahrens				nvlist_t *value;
155fa9e406ahrens
156fa9e406ahrens				VERIFY(nvpair_value_nvlist(elem, &value) == 0);
157fa9e406ahrens				(void) printf("%*s%s\n", indent, "",
158fa9e406ahrens				    nvpair_name(elem));
159fa9e406ahrens				dump_nvlist(value, indent + 4);
160fa9e406ahrens			}
161fa9e406ahrens			break;
162fa9e406ahrens
163fa9e406ahrens		case DATA_TYPE_NVLIST_ARRAY:
164fa9e406ahrens			{
165fa9e406ahrens				nvlist_t **value;
166fa9e406ahrens				uint_t c, count;
167fa9e406ahrens
168fa9e406ahrens				VERIFY(nvpair_value_nvlist_array(elem, &value,
169fa9e406ahrens				    &count) == 0);
170fa9e406ahrens
171fa9e406ahrens				for (c = 0; c < count; c++) {
172fa9e406ahrens					(void) printf("%*s%s[%u]\n", indent, "",
173fa9e406ahrens					    nvpair_name(elem), c);
174fa9e406ahrens					dump_nvlist(value[c], indent + 8);
175fa9e406ahrens				}
176fa9e406ahrens			}
177fa9e406ahrens			break;
178fa9e406ahrens
179fa9e406ahrens		default:
180fa9e406ahrens
181fa9e406ahrens			(void) printf("bad config type %d for %s\n",
182fa9e406ahrens			    nvpair_type(elem), nvpair_name(elem));
183fa9e406ahrens		}
184fa9e406ahrens	}
185fa9e406ahrens}
186fa9e406ahrens
187fa9e406ahrens/* ARGSUSED */
188fa9e406ahrensstatic void
189fa9e406ahrensdump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
190fa9e406ahrens{
191fa9e406ahrens	nvlist_t *nv;
192fa9e406ahrens	size_t nvsize = *(uint64_t *)data;
193fa9e406ahrens	char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
194fa9e406ahrens
195ea8dc4beschrock	VERIFY(0 == dmu_read(os, object, 0, nvsize, packed));
196fa9e406ahrens
197fa9e406ahrens	VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
198fa9e406ahrens
199fa9e406ahrens	umem_free(packed, nvsize);
200fa9e406ahrens
201fa9e406ahrens	dump_nvlist(nv, 8);
202fa9e406ahrens
203fa9e406ahrens	nvlist_free(nv);
204fa9e406ahrens}
205fa9e406ahrens
206fa9e406ahrensconst char dump_zap_stars[] = "****************************************";
207fa9e406ahrensconst int dump_zap_width = sizeof (dump_zap_stars) - 1;
208fa9e406ahrens
209fa9e406ahrensstatic void
210fa9e406ahrensdump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
211fa9e406ahrens{
212fa9e406ahrens	int i;
213fa9e406ahrens	int minidx = ZAP_HISTOGRAM_SIZE - 1;
214fa9e406ahrens	int maxidx = 0;
215fa9e406ahrens	uint64_t max = 0;
216fa9e406ahrens
217fa9e406ahrens	for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
218fa9e406ahrens		if (histo[i] > max)
219fa9e406ahrens			max = histo[i];
220fa9e406ahrens		if (histo[i] > 0 && i > maxidx)
221fa9e406ahrens			maxidx = i;
222fa9e406ahrens		if (histo[i] > 0 && i < minidx)
223fa9e406ahrens			minidx = i;
224fa9e406ahrens	}
225fa9e406ahrens
226fa9e406ahrens	if (max < dump_zap_width)
227fa9e406ahrens		max = dump_zap_width;
228fa9e406ahrens
229fa9e406ahrens	for (i = minidx; i <= maxidx; i++)
230fa9e406ahrens		(void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
231fa9e406ahrens		    &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
232fa9e406ahrens}
233fa9e406ahrens
234fa9e406ahrensstatic void
235fa9e406ahrensdump_zap_stats(objset_t *os, uint64_t object)
236fa9e406ahrens{
237fa9e406ahrens	int error;
238fa9e406ahrens	zap_stats_t zs;
239fa9e406ahrens
240fa9e406ahrens	error = zap_get_stats(os, object, &zs);
241fa9e406ahrens	if (error)
242fa9e406ahrens		return;
243fa9e406ahrens
244fa9e406ahrens	if (zs.zs_ptrtbl_len == 0) {
245fa9e406ahrens		ASSERT(zs.zs_num_blocks == 1);
246fa9e406ahrens		(void) printf("\tmicrozap: %llu bytes, %llu entries\n",
247fa9e406ahrens		    (u_longlong_t)zs.zs_blocksize,
248fa9e406ahrens		    (u_longlong_t)zs.zs_num_entries);
249fa9e406ahrens		return;
250fa9e406ahrens	}
251fa9e406ahrens
252fa9e406ahrens	(void) printf("\tFat ZAP stats:\n");
2538248818nd
2548248818nd	(void) printf("\t\tPointer table:\n");
2558248818nd	(void) printf("\t\t\t%llu elements\n",
256fa9e406ahrens	    (u_longlong_t)zs.zs_ptrtbl_len);
2578248818nd	(void) printf("\t\t\tzt_blk: %llu\n",
2588248818nd	    (u_longlong_t)zs.zs_ptrtbl_zt_blk);
2598248818nd	(void) printf("\t\t\tzt_numblks: %llu\n",
2608248818nd	    (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
2618248818nd	(void) printf("\t\t\tzt_shift: %llu\n",
2628248818nd	    (u_longlong_t)zs.zs_ptrtbl_zt_shift);
2638248818nd	(void) printf("\t\t\tzt_blks_copied: %llu\n",
2648248818nd	    (u_longlong_t)zs.zs_ptrtbl_blks_copied);
2658248818nd	(void) printf("\t\t\tzt_nextblk: %llu\n",
2668248818nd	    (u_longlong_t)zs.zs_ptrtbl_nextblk);
2678248818nd
268fa9e406ahrens	(void) printf("\t\tZAP entries: %llu\n",
269fa9e406ahrens	    (u_longlong_t)zs.zs_num_entries);
270fa9e406ahrens	(void) printf("\t\tLeaf blocks: %llu\n",
271fa9e406ahrens	    (u_longlong_t)zs.zs_num_leafs);
272fa9e406ahrens	(void) printf("\t\tTotal blocks: %llu\n",
273fa9e406ahrens	    (u_longlong_t)zs.zs_num_blocks);
2748248818nd	(void) printf("\t\tzap_block_type: 0x%llx\n",
2758248818nd	    (u_longlong_t)zs.zs_block_type);
2768248818nd	(void) printf("\t\tzap_magic: 0x%llx\n",
2778248818nd	    (u_longlong_t)zs.zs_magic);
2788248818nd	(void) printf("\t\tzap_salt: 0x%llx\n",
2798248818nd	    (u_longlong_t)zs.zs_salt);
280fa9e406ahrens
281fa9e406ahrens	(void) printf("\t\tLeafs with 2^n pointers:\n");
282fa9e406ahrens	dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
283fa9e406ahrens
284fa9e406ahrens	(void) printf("\t\tBlocks with n*5 entries:\n");
285fa9e406ahrens	dump_zap_histogram(zs.zs_blocks_with_n5_entries);
286fa9e406ahrens
287fa9e406ahrens	(void) printf("\t\tBlocks n/10 full:\n");
288fa9e406ahrens	dump_zap_histogram(zs.zs_blocks_n_tenths_full);
289fa9e406ahrens
290fa9e406ahrens	(void) printf("\t\tEntries with n chunks:\n");
291fa9e406ahrens	dump_zap_histogram(zs.zs_entries_using_n_chunks);
292fa9e406ahrens
293fa9e406ahrens	(void) printf("\t\tBuckets with n entries:\n");
294fa9e406ahrens	dump_zap_histogram(zs.zs_buckets_with_n_entries);
295fa9e406ahrens}
296fa9e406ahrens
297fa9e406ahrens/*ARGSUSED*/
298fa9e406ahrensstatic void
299fa9e406ahrensdump_none(objset_t *os, uint64_t object, void *data, size_t size)
300fa9e406ahrens{
301fa9e406ahrens}
302fa9e406ahrens
303fa9e406ahrens/*ARGSUSED*/
304fa9e406ahrensvoid
305fa9e406ahrensdump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
306fa9e406ahrens{
307fa9e406ahrens}
308fa9e406ahrens
309fa9e406ahrens/*ARGSUSED*/
310fa9e406ahrensstatic void
311fa9e406ahrensdump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
312fa9e406ahrens{
313fa9e406ahrens}
314fa9e406ahrens
315fa9e406ahrens/*ARGSUSED*/
316fa9e406ahrensstatic void
317fa9e406ahrensdump_zap(objset_t *os, uint64_t object, void *data, size_t size)
318fa9e406ahrens{
319fa9e406ahrens	zap_cursor_t zc;
320fa9e406ahrens	zap_attribute_t attr;
321fa9e406ahrens	void *prop;
322fa9e406ahrens	int i;
323fa9e406ahrens
324fa9e406ahrens	dump_zap_stats(os, object);
325fa9e406ahrens	(void) printf("\n");
326fa9e406ahrens
327fa9e406ahrens	for (zap_cursor_init(&zc, os, object);
328fa9e406ahrens	    zap_cursor_retrieve(&zc, &attr) == 0;
329fa9e406ahrens	    zap_cursor_advance(&zc)) {
330fa9e406ahrens		(void) printf("\t\t%s = ", attr.za_name);
331fa9e406ahrens		if (attr.za_num_integers == 0) {
332fa9e406ahrens			(void) printf("\n");
333fa9e406ahrens			continue;
334fa9e406ahrens		}
335fa9e406ahrens		prop = umem_zalloc(attr.za_num_integers *
336fa9e406ahrens		    attr.za_integer_length, UMEM_NOFAIL);
337fa9e406ahrens		(void) zap_lookup(os, object, attr.za_name,
338fa9e406ahrens		    attr.za_integer_length, attr.za_num_integers, prop);
339fa9e406ahrens		if (attr.za_integer_length == 1) {
340fa9e406ahrens			(void) printf("%s", (char *)prop);
341fa9e406ahrens		} else {
342fa9e406ahrens			for (i = 0; i < attr.za_num_integers; i++) {
343fa9e406ahrens				switch (attr.za_integer_length) {
344fa9e406ahrens				case 2:
345fa9e406ahrens					(void) printf("%u ",
346fa9e406ahrens					    ((uint16_t *)prop)[i]);
347fa9e406ahrens					break;
348fa9e406ahrens				case 4:
349fa9e406ahrens					(void) printf("%u ",
350fa9e406ahrens					    ((uint32_t *)prop)[i]);
351fa9e406ahrens					break;
352fa9e406ahrens				case 8:
353fa9e406ahrens					(void) printf("%lld ",
354fa9e406ahrens					    (u_longlong_t)((int64_t *)prop)[i]);
355fa9e406ahrens					break;
356fa9e406ahrens				}
357fa9e406ahrens			}
358fa9e406ahrens		}
359fa9e406ahrens		(void) printf("\n");
360fa9e406ahrens		umem_free(prop, attr.za_num_integers * attr.za_integer_length);
361fa9e406ahrens	}
36287e5029ahrens	zap_cursor_fini(&zc);
363fa9e406ahrens}
364fa9e406ahrens
365fa9e406ahrensstatic void
366fa9e406ahrensdump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
367fa9e406ahrens{
368fa9e406ahrens	uint64_t alloc, offset, entry;
369fa9e406ahrens	int mapshift = sm->sm_shift;
370fa9e406ahrens	uint64_t mapstart = sm->sm_start;
371fa9e406ahrens	char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID" };
372fa9e406ahrens
373fa9e406ahrens	if (smo->smo_object == 0)
374fa9e406ahrens		return;
375fa9e406ahrens
376fa9e406ahrens	/*
377fa9e406ahrens	 * Print out the freelist entries in both encoded and decoded form.
378fa9e406ahrens	 */
379fa9e406ahrens	alloc = 0;
380fa9e406ahrens	for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
381ea8dc4beschrock		VERIFY(0 == dmu_read(os, smo->smo_object, offset,
382ea8dc4beschrock		    sizeof (entry), &entry));
383fa9e406ahrens		if (SM_DEBUG_DECODE(entry)) {
384fa9e406ahrens			(void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n",
385fa9e406ahrens			    (u_longlong_t)(offset / sizeof (entry)),
386fa9e406ahrens			    ddata[SM_DEBUG_ACTION_DECODE(entry)],
387fa9e406ahrens			    SM_DEBUG_TXG_DECODE(entry),
388fa9e406ahrens			    SM_DEBUG_SYNCPASS_DECODE(entry));
389fa9e406ahrens		} else {
390fa9e406ahrens			(void) printf("\t\t[%4llu]    %c  range:"
391fa9e406ahrens			    " %08llx-%08llx  size: %06llx\n",
392fa9e406ahrens			    (u_longlong_t)(offset / sizeof (entry)),
393fa9e406ahrens			    SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
394fa9e406ahrens			    (SM_OFFSET_DECODE(entry) << mapshift) + mapstart,
395fa9e406ahrens			    (SM_OFFSET_DECODE(entry) << mapshift) + mapstart +
396fa9e406ahrens			    (SM_RUN_DECODE(entry) << mapshift),
397fa9e406ahrens			    (SM_RUN_DECODE(entry) << mapshift));
398fa9e406ahrens			if (SM_TYPE_DECODE(entry) == SM_ALLOC)
399fa9e406ahrens				alloc += SM_RUN_DECODE(entry) << mapshift;
400fa9e406ahrens			else
401fa9e406ahrens				alloc -= SM_RUN_DECODE(entry) << mapshift;
402fa9e406ahrens		}
403fa9e406ahrens	}
404fa9e406ahrens	if (alloc != smo->smo_alloc) {
405fa9e406ahrens		(void) printf("space_map_object alloc (%llu) INCONSISTENT "
406fa9e406ahrens		    "with space map summary (%llu)\n",
407fa9e406ahrens		    (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
408fa9e406ahrens	}
409fa9e406ahrens}
410fa9e406ahrens
411fa9e406ahrensstatic void
412fa9e406ahrensdump_metaslab(metaslab_t *msp)
413fa9e406ahrens{
414fa9e406ahrens	char freebuf[5];
415fa9e406ahrens	space_map_obj_t *smo = msp->ms_smo;
416fa9e406ahrens	vdev_t *vd = msp->ms_group->mg_vd;
417fa9e406ahrens	spa_t *spa = vd->vdev_spa;
418fa9e406ahrens
419fa9e406ahrens	nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf);
420fa9e406ahrens
421fa9e406ahrens	if (dump_opt['d'] <= 5) {
422fa9e406ahrens		(void) printf("\t%10llx   %10llu   %5s\n",
423fa9e406ahrens		    (u_longlong_t)msp->ms_map.sm_start,
424fa9e406ahrens		    (u_longlong_t)smo->smo_object,
425fa9e406ahrens		    freebuf);
426fa9e406ahrens		return;
427fa9e406ahrens	}
428fa9e406ahrens
429fa9e406ahrens	(void) printf(
430fa9e406ahrens	    "\tvdev %llu   offset %08llx   spacemap %4llu   free %5s\n",
431fa9e406ahrens	    (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start,
432fa9e406ahrens	    (u_longlong_t)smo->smo_object, freebuf);
433fa9e406ahrens
434fa9e406ahrens	ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
435fa9e406ahrens
436fa9e406ahrens	dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
437fa9e406ahrens}
438fa9e406ahrens
439fa9e406ahrensstatic void
440fa9e406ahrensdump_metaslabs(spa_t *spa)
441fa9e406ahrens{
442fa9e406ahrens	vdev_t *rvd = spa->spa_root_vdev;
443fa9e406ahrens	vdev_t *vd;
444fa9e406ahrens	int c, m;
445fa9e406ahrens
446fa9e406ahrens	(void) printf("\nMetaslabs:\n");
447fa9e406ahrens
448fa9e406ahrens	for (c = 0; c < rvd->vdev_children; c++) {
449fa9e406ahrens		vd = rvd->vdev_child[c];
450fa9e406ahrens
451ea8dc4beschrock		spa_config_enter(spa, RW_READER, FTAG);
452fa9e406ahrens		(void) printf("\n    vdev %llu = %s\n\n",
453fa9e406ahrens		    (u_longlong_t)vd->vdev_id, vdev_description(vd));
454ea8dc4beschrock		spa_config_exit(spa, FTAG);
455fa9e406ahrens
456fa9e406ahrens		if (dump_opt['d'] <= 5) {
457fa9e406ahrens			(void) printf("\t%10s   %10s   %5s\n",
458fa9e406ahrens			    "offset", "spacemap", "free");
459fa9e406ahrens			(void) printf("\t%10s   %10s   %5s\n",
460fa9e406ahrens			    "------", "--------", "----");
461fa9e406ahrens		}
462fa9e406ahrens		for (m = 0; m < vd->vdev_ms_count; m++)
463fa9e406ahrens			dump_metaslab(vd->vdev_ms[m]);
464fa9e406ahrens		(void) printf("\n");
465fa9e406ahrens	}
466fa9e406ahrens}
467fa9e406ahrens
468fa9e406ahrensstatic void
469fa9e406ahrensdump_dtl(vdev_t *vd, int indent)
470fa9e406ahrens{
471fa9e406ahrens	avl_tree_t *t = &vd->vdev_dtl_map.sm_root;
472fa9e406ahrens	spa_t *spa = vd->vdev_spa;
473fa9e406ahrens	space_seg_t *ss;
474fa9e406ahrens	vdev_t *pvd;
475fa9e406ahrens	int c;
476fa9e406ahrens
477fa9e406ahrens	if (indent == 0)
478fa9e406ahrens		(void) printf("\nDirty time logs:\n\n");
479fa9e406ahrens
480ea8dc4beschrock	spa_config_enter(spa, RW_READER, FTAG);
481fa9e406ahrens	(void) printf("\t%*s%s\n", indent, "", vdev_description(vd));
482ea8dc4beschrock	spa_config_exit(spa, FTAG);
483fa9e406ahrens
484fa9e406ahrens	for (ss = avl_first(t); ss; ss = AVL_NEXT(t, ss)) {
485fa9e406ahrens		/*
486fa9e406ahrens		 * Everything in this DTL must appear in all parent DTL unions.
487fa9e406ahrens		 */
488fa9e406ahrens		for (pvd = vd; pvd; pvd = pvd->vdev_parent)
489fa9e406ahrens			ASSERT(vdev_dtl_contains(&pvd->vdev_dtl_map,
490fa9e406ahrens			    ss->ss_start, ss->ss_end - ss->ss_start));
491fa9e406ahrens		(void) printf("\t%*soutage [%llu,%llu] length %llu\n",
492fa9e406ahrens		    indent, "",
493fa9e406ahrens		    (u_longlong_t)ss->ss_start,
494fa9e406ahrens		    (u_longlong_t)ss->ss_end - 1,
495fa9e406ahrens		    (u_longlong_t)ss->ss_end - ss->ss_start);
496fa9e406ahrens	}
497fa9e406ahrens
498fa9e406ahrens	(void) printf("\n");
499fa9e406ahrens
500fa9e406ahrens	if (dump_opt['d'] > 5 && vd->vdev_children == 0) {
501fa9e406ahrens		dump_spacemap(vd->vdev_spa->spa_meta_objset, &vd->vdev_dtl,
502fa9e406ahrens		    &vd->vdev_dtl_map);
503fa9e406ahrens		(void) printf("\n");
504fa9e406ahrens	}
505fa9e406ahrens
506fa9e406ahrens	for (c = 0; c < vd->vdev_children; c++)
507fa9e406ahrens		dump_dtl(vd->vdev_child[c], indent + 4);
508fa9e406ahrens}
509fa9e406ahrens
510fa9e406ahrens/*ARGSUSED*/
511fa9e406ahrensstatic void
512fa9e406ahrensdump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
513fa9e406ahrens{
514fa9e406ahrens}
515fa9e406ahrens
516fa9e406ahrensstatic uint64_t
517fa9e406ahrensblkid2offset(dnode_phys_t *dnp, int level, uint64_t blkid)
518fa9e406ahrens{
519fa9e406ahrens	if (level < 0)
520fa9e406ahrens		return (blkid);
521fa9e406ahrens
522fa9e406ahrens	return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
523fa9e406ahrens	    dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
524fa9e406ahrens}
525fa9e406ahrens
526fa9e406ahrens/* ARGSUSED */
527fa9e406ahrensstatic int
528fa9e406ahrenszdb_indirect_cb(traverse_blk_cache_t *bc, spa_t *spa, void *a)
529fa9e406ahrens{
530fa9e406ahrens	zbookmark_t *zb = &bc->bc_bookmark;
531fa9e406ahrens	blkptr_t *bp = &bc->bc_blkptr;
532fa9e406ahrens	dva_t *dva = &bp->blk_dva[0];
533fa9e406ahrens	void *data = bc->bc_data;
534fa9e406ahrens	dnode_phys_t *dnp = bc->bc_dnode;
535fa9e406ahrens	char buffer[300];
536fa9e406ahrens	int l;
537fa9e406ahrens
538fa9e406ahrens	if (bc->bc_errno) {
539fa9e406ahrens		(void) sprintf(buffer,
540ea8dc4beschrock		    "Error %d reading <%llu, %llu, %lld, %llu>: ",
541fa9e406ahrens		    bc->bc_errno,
542fa9e406ahrens		    (u_longlong_t)zb->zb_objset,
543fa9e406ahrens		    (u_longlong_t)zb->zb_object,
544ea8dc4beschrock		    (u_longlong_t)zb->zb_level,
545fa9e406ahrens		    (u_longlong_t)zb->zb_blkid);
546fa9e406ahrens		goto out;
547fa9e406ahrens	}
548fa9e406ahrens
549fa9e406ahrens	if (zb->zb_level == -1) {
550fa9e406ahrens		ASSERT3U(BP_GET_TYPE(bp), ==, DMU_OT_OBJSET);
551fa9e406ahrens		ASSERT3U(BP_GET_LEVEL(bp), ==, 0);
552fa9e406ahrens	} else {
553fa9e406ahrens		ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
554fa9e406ahrens		ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
555fa9e406ahrens	}
556fa9e406ahrens
557fa9e406ahrens	if (zb->zb_level > 0) {
558fa9e406ahrens		uint64_t fill = 0;
559fa9e406ahrens		blkptr_t *bpx, *bpend;
560fa9e406ahrens
561fa9e406ahrens		for (bpx = data, bpend = bpx + BP_GET_LSIZE(bp) / sizeof (*bpx);
562fa9e406ahrens		    bpx < bpend; bpx++) {
563fa9e406ahrens			if (bpx->blk_birth != 0) {
564fa9e406ahrens				fill += bpx->blk_fill;
565fa9e406ahrens			} else {
566fa9e406ahrens				ASSERT(bpx->blk_fill == 0);
567fa9e406ahrens			}
568fa9e406ahrens		}
569fa9e406ahrens		ASSERT3U(fill, ==, bp->blk_fill);
570fa9e406ahrens	}
571fa9e406ahrens
572fa9e406ahrens	if (zb->zb_level == 0 && dnp->dn_type == DMU_OT_DNODE) {
573fa9e406ahrens		uint64_t fill = 0;
574fa9e406ahrens		dnode_phys_t *dnx, *dnend;
575fa9e406ahrens
576fa9e406ahrens		for (dnx = data, dnend = dnx + (BP_GET_LSIZE(bp)>>DNODE_SHIFT);
577fa9e406ahrens		    dnx < dnend; dnx++) {
578fa9e406ahrens			if (dnx->dn_type != DMU_OT_NONE)
579fa9e406ahrens				fill++;
580fa9e406ahrens		}
581fa9e406ahrens		ASSERT3U(fill, ==, bp->blk_fill);
582fa9e406ahrens	}
583fa9e406ahrens
584fa9e406ahrens	(void) sprintf(buffer, "%16llx ",
585fa9e406ahrens	    (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid));
586fa9e406ahrens
587fa9e406ahrens	ASSERT(zb->zb_level >= 0);
588fa9e406ahrens
589fa9e406ahrens	for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
590fa9e406ahrens		if (l == zb->zb_level) {
591ea8dc4beschrock			(void) sprintf(buffer + strlen(buffer), "L%llx",
592ea8dc4beschrock			    (u_longlong_t)zb->zb_level);
593fa9e406ahrens		} else {
594fa9e406ahrens			(void) sprintf(buffer + strlen(buffer), " ");
595fa9e406ahrens		}
596fa9e406ahrens	}
597fa9e406ahrens
598fa9e406ahrensout:
599fa9e406ahrens	if (bp->blk_birth == 0) {
600fa9e406ahrens		(void) sprintf(buffer + strlen(buffer), "<hole>");
601fa9e406ahrens		(void) printf("%s\n", buffer);
602fa9e406ahrens	} else {
603fa9e406ahrens		// XXBP - Need to print number of active BPs here
604fa9e406ahrens		(void) sprintf(buffer + strlen(buffer),
605fa9e406ahrens		    "vdev=%llu off=%llx %llxL/%llxP/%llxA F=%llu B=%llu",
606fa9e406ahrens		    (u_longlong_t)DVA_GET_VDEV(dva),
607fa9e406ahrens		    (u_longlong_t)DVA_GET_OFFSET(dva),
608fa9e406ahrens		    (u_longlong_t)BP_GET_LSIZE(bp),
609fa9e406ahrens		    (u_longlong_t)BP_GET_PSIZE(bp),
610fa9e406ahrens		    (u_longlong_t)DVA_GET_ASIZE(dva),
611fa9e406ahrens		    (u_longlong_t)bp->blk_fill,
612fa9e406ahrens		    (u_longlong_t)bp->blk_birth);
613fa9e406ahrens
614fa9e406ahrens		(void) printf("%s\n", buffer);
615fa9e406ahrens	}
616fa9e406ahrens
617fa9e406ahrens	return (bc->bc_errno ? ERESTART : 0);
618fa9e406ahrens}
619fa9e406ahrens
620fa9e406ahrens/*ARGSUSED*/
621fa9e406ahrensstatic void
622fa9e406ahrensdump_indirect(objset_t *os, uint64_t object, void *data, size_t size)
623fa9e406ahrens{
624fa9e406ahrens	traverse_handle_t *th;
625fa9e406ahrens	uint64_t objset = dmu_objset_id(os);
626fa9e406ahrens	int advance = zdb_advance;
627fa9e406ahrens
628fa9e406ahrens	(void) printf("Indirect blocks:\n");
629fa9e406ahrens
630fa9e406ahrens	if (object == 0)
631fa9e406ahrens		advance |= ADVANCE_DATA;
632fa9e406ahrens
633fa9e406ahrens	th = traverse_init(dmu_objset_spa(os), zdb_indirect_cb, NULL, advance,
634fa9e406ahrens	    ZIO_FLAG_CANFAIL);
635fa9e406ahrens	th->th_noread = zdb_noread;
636fa9e406ahrens
637fa9e406ahrens	traverse_add_dnode(th, 0, -1ULL, objset, object);
638fa9e406ahrens
639fa9e406ahrens	while (traverse_more(th) == EAGAIN)
640fa9e406ahrens		continue;
641fa9e406ahrens
642fa9e406ahrens	(void) printf("\n");
643fa9e406ahrens
644fa9e406ahrens	traverse_fini(th);
645fa9e406ahrens}
646fa9e406ahrens
647fa9e406ahrens/*ARGSUSED*/
648fa9e406ahrensstatic void
649fa9e406ahrensdump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
650fa9e406ahrens{
651fa9e406ahrens	dsl_dir_phys_t *dd = data;
652fa9e406ahrens	time_t crtime;
653fa9e406ahrens	char used[6], compressed[6], uncompressed[6], quota[6], resv[6];
654fa9e406ahrens
655fa9e406ahrens	if (dd == NULL)
656fa9e406ahrens		return;
657fa9e406ahrens
658fa9e406ahrens	ASSERT(size == sizeof (*dd));
659fa9e406ahrens
660fa9e406ahrens	crtime = dd->dd_creation_time;
661fa9e406ahrens	nicenum(dd->dd_used_bytes, used);
662fa9e406ahrens	nicenum(dd->dd_compressed_bytes, compressed);
663fa9e406ahrens	nicenum(dd->dd_uncompressed_bytes, uncompressed);
664fa9e406ahrens	nicenum(dd->dd_quota, quota);
665fa9e406ahrens	nicenum(dd->dd_reserved, resv);
666fa9e406ahrens
667fa9e406ahrens	(void) printf("\t\tcreation_time = %s", ctime(&crtime));
668fa9e406ahrens	(void) printf("\t\thead_dataset_obj = %llu\n",
669fa9e406ahrens	    (u_longlong_t)dd->dd_head_dataset_obj);
670fa9e406ahrens	(void) printf("\t\tparent_dir_obj = %llu\n",
671fa9e406ahrens	    (u_longlong_t)dd->dd_parent_obj);
672fa9e406ahrens	(void) printf("\t\tclone_parent_obj = %llu\n",
673fa9e406ahrens	    (u_longlong_t)dd->dd_clone_parent_obj);
674fa9e406ahrens	(void) printf("\t\tchild_dir_zapobj = %llu\n",
675fa9e406ahrens	    (u_longlong_t)dd->dd_child_dir_zapobj);
676fa9e406ahrens	(void) printf("\t\tused_bytes = %s\n", used);
677fa9e406ahrens	(void) printf("\t\tcompressed_bytes = %s\n", compressed);
678fa9e406ahrens	(void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
679fa9e406ahrens	(void) printf("\t\tquota = %s\n", quota);
680fa9e406ahrens	(void) printf("\t\treserved = %s\n", resv);
681fa9e406ahrens	(void) printf("\t\tprops_zapobj = %llu\n",
682fa9e406ahrens	    (u_longlong_t)dd->dd_props_zapobj);
683fa9e406ahrens}
684fa9e406ahrens
685fa9e406ahrens/*ARGSUSED*/
686fa9e406ahrensstatic void
687fa9e406ahrensdump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
688fa9e406ahrens{
689fa9e406ahrens	dsl_dataset_phys_t *ds = data;
690fa9e406ahrens	time_t crtime;
691fbabab8maybee	char used[6], compressed[6], uncompressed[6], unique[6];
692fbabab8maybee	char blkbuf[BP_SPRINTF_LEN];
693fa9e406ahrens
694fa9e406ahrens	if (ds == NULL)
695fa9e406ahrens		return;
696fa9e406ahrens
697fa9e406ahrens	ASSERT(size == sizeof (*ds));
698fa9e406ahrens	crtime = ds->ds_creation_time;
699fa9e406ahrens	nicenum(ds->ds_used_bytes, used);
700fa9e406ahrens	nicenum(ds->ds_compressed_bytes, compressed);
701fa9e406ahrens	nicenum(ds->ds_uncompressed_bytes, uncompressed);
702fa9e406ahrens	nicenum(ds->ds_unique_bytes, unique);
703fbabab8maybee	sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp);
704fa9e406ahrens
705fa9e406ahrens	(void) printf("\t\tdataset_obj = %llu\n",
706fa9e406ahrens	    (u_longlong_t)ds->ds_dir_obj);
707fa9e406ahrens	(void) printf("\t\tprev_snap_obj = %llu\n",
708fa9e406ahrens	    (u_longlong_t)ds->ds_prev_snap_obj);
709fa9e406ahrens	(void) printf("\t\tprev_snap_txg = %llu\n",
710fa9e406ahrens	    (u_longlong_t)ds->ds_prev_snap_txg);
711fa9e406ahrens	(void) printf("\t\tnext_snap_obj = %llu\n",
712fa9e406ahrens	    (u_longlong_t)ds->ds_next_snap_obj);
713fa9e406ahrens	(void) printf("\t\tsnapnames_zapobj = %llu\n",
714fa9e406ahrens	    (u_longlong_t)ds->ds_snapnames_zapobj);
715fa9e406ahrens	(void) printf("\t\tnum_children = %llu\n",
716fa9e406ahrens	    (u_longlong_t)ds->ds_num_children);
717fa9e406ahrens	(void) printf("\t\tcreation_time = %s", ctime(&crtime));
718fa9e406ahrens	(void) printf("\t\tcreation_txg = %llu\n",
719fa9e406ahrens	    (u_longlong_t)ds->ds_creation_txg);
720fa9e406ahrens	(void) printf("\t\tdeadlist_obj = %llu\n",
721fa9e406ahrens	    (u_longlong_t)ds->ds_deadlist_obj);
722fa9e406ahrens	(void) printf("\t\tused_bytes = %s\n", used);
723fa9e406ahrens	(void) printf("\t\tcompressed_bytes = %s\n", compressed);
724fa9e406ahrens	(void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
725fa9e406ahrens	(void) printf("\t\tunique = %s\n", unique);
726fa9e406ahrens	(void) printf("\t\tfsid_guid = %llu\n",
727fa9e406ahrens	    (u_longlong_t)ds->ds_fsid_guid);
728fa9e406ahrens	(void) printf("\t\tguid = %llu\n",
729fa9e406ahrens	    (u_longlong_t)ds->ds_guid);
730fa9e406ahrens	(void) printf("\t\trestoring = %llu\n",
731fa9e406ahrens	    (u_longlong_t)ds->ds_restoring);
732fa9e406ahrens	(void) printf("\t\tbp = %s\n", blkbuf);
733fa9e406ahrens}
734fa9e406ahrens
735fa9e406ahrensstatic void
736fa9e406ahrensdump_bplist(objset_t *mos, uint64_t object, char *name)
737fa9e406ahrens{
738fa9e406ahrens	bplist_t bpl = { 0 };
739fa9e406ahrens	blkptr_t blk, *bp = &blk;
740fa9e406ahrens	uint64_t itor = 0;
741fa9e406ahrens	char numbuf[6];
742fa9e406ahrens
743fa9e406ahrens	if (dump_opt['d'] < 3)
744fa9e406ahrens		return;
745fa9e406ahrens
746ea8dc4beschrock	VERIFY(0 == bplist_open(&bpl, mos, object));
747fa9e406ahrens	if (bplist_empty(&bpl)) {
748fa9e406ahrens		bplist_close(&bpl);
749fa9e406ahrens		return;
750fa9e406ahrens	}
751fa9e406ahrens
752fa9e406ahrens	nicenum(bpl.bpl_phys->bpl_bytes, numbuf);
753fa9e406ahrens
754fa9e406ahrens	(void) printf("\n    %s: %llu entries, %s\n",
755fa9e406ahrens	    name, (u_longlong_t)bpl.bpl_phys->bpl_entries, numbuf);
756fa9e406ahrens
757fa9e406ahrens	if (dump_opt['d'] < 5) {
758fa9e406ahrens		bplist_close(&bpl);
759fa9e406ahrens		return;
760fa9e406ahrens	}
761fa9e406ahrens
762fa9e406ahrens	(void) printf("\n");
763fa9e406ahrens
764fa9e406ahrens	while (bplist_iterate(&bpl, &itor, bp) == 0) {
765fa9e406ahrens		ASSERT(bp->blk_birth != 0);
766fa9e406ahrens		// XXBP - Do we want to see all DVAs, or just one?
767fa9e406ahrens		(void) printf("\tItem %3llu: vdev=%llu off=%llx "
768fa9e406ahrens		    "%llxL/%llxP/%llxA F=%llu B=%llu\n",
769fa9e406ahrens		    (u_longlong_t)itor - 1,
770fa9e406ahrens		    (u_longlong_t)DVA_GET_VDEV(&bp->blk_dva[0]),
771fa9e406ahrens		    (u_longlong_t)DVA_GET_OFFSET(&bp->blk_dva[0]),
772fa9e406ahrens		    (u_longlong_t)BP_GET_LSIZE(bp),
773fa9e406ahrens		    (u_longlong_t)BP_GET_PSIZE(bp),
774fa9e406ahrens		    (u_longlong_t)DVA_GET_ASIZE(&bp->blk_dva[0]),
775fa9e406ahrens		    (u_longlong_t)bp->blk_fill,
776fa9e406ahrens		    (u_longlong_t)bp->blk_birth);
777fa9e406ahrens	}
778fa9e406ahrens
779fa9e406ahrens	bplist_close(&bpl);
780fa9e406ahrens}
781fa9e406ahrens
782fa9e406ahrensstatic char *
783fa9e406ahrensznode_path(objset_t *os, uint64_t object, char *pathbuf, size_t size)
784fa9e406ahrens{
785fa9e406ahrens	dmu_buf_t *db;
786fa9e406ahrens	dmu_object_info_t doi;
787fa9e406ahrens	znode_phys_t *zp;
788fa9e406ahrens	uint64_t parent = 0;
789fa9e406ahrens	size_t complen;
790fa9e406ahrens	char component[MAXNAMELEN + 1];
791fa9e406ahrens	char *path;
792ea8dc4beschrock	int error;
793fa9e406ahrens
794fa9e406ahrens	path = pathbuf + size;
795fa9e406ahrens	*--path = '\0';
796fa9e406ahrens
797fa9e406ahrens	for (;;) {
798ea8dc4beschrock		error = dmu_bonus_hold(os, object, FTAG, &db);
799ea8dc4beschrock		if (error)
800fa9e406ahrens			break;
801fa9e406ahrens
802fa9e406ahrens		dmu_object_info_from_db(db, &doi);
803fa9e406ahrens		zp = db->db_data;
804fa9e406ahrens		parent = zp->zp_parent;
805ea8dc4beschrock		dmu_buf_rele(db, FTAG);
806fa9e406ahrens
807fa9e406ahrens		if (doi.doi_bonus_type != DMU_OT_ZNODE)
808fa9e406ahrens			break;
809fa9e406ahrens
810fa9e406ahrens		if (parent == object) {
811fa9e406ahrens			if (path[0] != '/')
812fa9e406ahrens				*--path = '/';
813fa9e406ahrens			return (path);
814fa9e406ahrens		}
815fa9e406ahrens
816fa9e406ahrens		if (zap_value_search(os, parent, object, component) != 0)
817fa9e406ahrens			break;
818fa9e406ahrens
819fa9e406ahrens		complen = strlen(component);
820fa9e406ahrens		path -= complen;
821fa9e406ahrens		bcopy(component, path, complen);
822fa9e406ahrens		*--path = '/';
823fa9e406ahrens
824fa9e406ahrens		object = parent;
825fa9e406ahrens	}
826fa9e406ahrens
827fa9e406ahrens	(void) sprintf(component, "???<object#%llu>", (u_longlong_t)object);
828fa9e406ahrens
829fa9e406ahrens	complen = strlen(component);
830fa9e406ahrens	path -= complen;
831fa9e406ahrens	bcopy(component, path, complen);
832fa9e406ahrens
833fa9e406ahrens	return (path);
834fa9e406ahrens}
835fa9e406ahrens
836fa9e406ahrens/*ARGSUSED*/
837fa9e406ahrensstatic void
838fa9e406ahrensdump_znode(objset_t *os, uint64_t object, void *data, size_t size)
839fa9e406ahrens{
840fa9e406ahrens	znode_phys_t *zp = data;
841fa9e406ahrens	time_t z_crtime, z_atime, z_mtime, z_ctime;
842fa9e406ahrens	char path[MAXPATHLEN * 2];	/* allow for xattr and failure prefix */
843fa9e406ahrens
844fa9e406ahrens	ASSERT(size >= sizeof (znode_phys_t));
845fa9e406ahrens
846fa9e406ahrens	if (dump_opt['d'] < 3) {
847fa9e406ahrens		(void) printf("\t%s\n",
848fa9e406ahrens		    znode_path(os, object, path, sizeof (path)));
849fa9e406ahrens		return;
850fa9e406ahrens	}
851fa9e406ahrens
852fa9e406ahrens	z_crtime = (time_t)zp->zp_crtime[0];
853fa9e406ahrens	z_atime = (time_t)zp->zp_atime[0];
854fa9e406ahrens	z_mtime = (time_t)zp->zp_mtime[0];
855fa9e406ahrens	z_ctime = (time_t)zp->zp_ctime[0];
856fa9e406ahrens
857fa9e406ahrens	(void) printf("\tpath	%s\n",
858fa9e406ahrens	    znode_path(os, object, path, sizeof (path)));
859fa9e406ahrens	(void) printf("\tatime	%s", ctime(&z_atime));
860fa9e406ahrens	(void) printf("\tmtime	%s", ctime(&z_mtime));
861fa9e406ahrens	(void) printf("\tctime	%s", ctime(&z_ctime));
862fa9e406ahrens	(void) printf("\tcrtime	%s", ctime(&z_crtime));
863fa9e406ahrens	(void) printf("\tgen	%llu\n", (u_longlong_t)zp->zp_gen);
864fa9e406ahrens	(void) printf("\tmode	%llo\n", (u_longlong_t)zp->zp_mode);
865fa9e406ahrens	(void) printf("\tsize	%llu\n", (u_longlong_t)zp->zp_size);
866fa9e406ahrens	(void) printf("\tparent	%llu\n", (u_longlong_t)zp->zp_parent);
867fa9e406ahrens	(void) printf("\tlinks	%llu\n", (u_longlong_t)zp->zp_links);
868fa9e406ahrens	(void) printf("\txattr	%llu\n", (u_longlong_t)zp->zp_xattr);
869fa9e406ahrens	(void) printf("\trdev	0x%016llx\n", (u_longlong_t)zp->zp_rdev);
870fa9e406ahrens}
871fa9e406ahrens
872fa9e406ahrens/*ARGSUSED*/
873fa9e406ahrensstatic void
874fa9e406ahrensdump_acl(objset_t *os, uint64_t object, void *data, size_t size)
875fa9e406ahrens{
876fa9e406ahrens}
877fa9e406ahrens
878fa9e406ahrens/*ARGSUSED*/
879fa9e406ahrensstatic void
880fa9e406ahrensdump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
881fa9e406ahrens{
882fa9e406ahrens}
883fa9e406ahrens
884fa9e406ahrensstatic object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = {
885fa9e406ahrens	dump_none,		/* unallocated			*/
886fa9e406ahrens	dump_zap,		/* object directory		*/
887fa9e406ahrens	dump_uint64,		/* object array			*/
888fa9e406ahrens	dump_none,		/* packed nvlist		*/
889fa9e406ahrens	dump_packed_nvlist,	/* packed nvlist size		*/
890fa9e406ahrens	dump_none,		/* bplist			*/
891fa9e406ahrens	dump_none,		/* bplist header		*/
892fa9e406ahrens	dump_none,		/* SPA space map header		*/
893fa9e406ahrens	dump_none,		/* SPA space map		*/
894fa9e406ahrens	dump_none,		/* ZIL intent log		*/
895fa9e406ahrens	dump_dnode,		/* DMU dnode			*/
896fa9e406ahrens	dump_dmu_objset,	/* DMU objset			*/
897ea8dc4beschrock	dump_dsl_dir,		/* DSL directory		*/
898fa9e406ahrens	dump_zap,		/* DSL directory child map	*/
899fa9e406ahrens	dump_zap,		/* DSL dataset snap map		*/
900fa9e406ahrens	dump_zap,		/* DSL props			*/
901fa9e406ahrens	dump_dsl_dataset,	/* DSL dataset			*/
902fa9e406ahrens	dump_znode,		/* ZFS znode			*/
903fa9e406ahrens	dump_acl,		/* ZFS ACL			*/
904fa9e406ahrens	dump_uint8,		/* ZFS plain file		*/
905fa9e406ahrens	dump_zap,		/* ZFS directory		*/
906fa9e406ahrens	dump_zap,		/* ZFS master node		*/
907fa9e406ahrens	dump_zap,		/* ZFS delete queue		*/
908fa9e406ahrens	dump_uint8,		/* zvol object			*/
909fa9e406ahrens	dump_zap,		/* zvol prop			*/
910fa9e406ahrens	dump_uint8,		/* other uint8[]		*/
911fa9e406ahrens	dump_uint64,		/* other uint64[]		*/
912fa9e406ahrens	dump_zap,		/* other ZAP			*/
913ea8dc4beschrock	dump_zap,		/* persistent error log		*/
914fa9e406ahrens};
915fa9e406ahrens
916fa9e406ahrensstatic void
917fa9e406ahrensdump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
918fa9e406ahrens{
919fa9e406ahrens	dmu_buf_t *db = NULL;
920fa9e406ahrens	dmu_object_info_t doi;
921fa9e406ahrens	dnode_t *dn;
922fa9e406ahrens	void *bonus = NULL;
923fa9e406ahrens	size_t bsize = 0;
924fa9e406ahrens	char iblk[6], dblk[6], lsize[6], psize[6], bonus_size[6], segsize[6];
925fa9e406ahrens	char aux[50];
926fa9e406ahrens	int error;
927fa9e406ahrens
928fa9e406ahrens	if (*print_header) {
929fa9e406ahrens		(void) printf("\n    Object  lvl   iblk   dblk  lsize"
930fa9e406ahrens		    "  psize  type\n");
931fa9e406ahrens		*print_header = 0;
932fa9e406ahrens	}
933fa9e406ahrens
934fa9e406ahrens	if (object == 0) {
935fa9e406ahrens		dn = os->os->os_meta_dnode;
936fa9e406ahrens	} else {
937ea8dc4beschrock		error = dmu_bonus_hold(os, object, FTAG, &db);
938ea8dc4beschrock		if (error)
939ea8dc4beschrock			fatal("dmu_bonus_hold(%llu) failed, errno %u",
940ea8dc4beschrock			    object, error);
941fa9e406ahrens		bonus = db->db_data;
942fa9e406ahrens		bsize = db->db_size;
943fa9e406ahrens		dn = ((dmu_buf_impl_t *)db)->db_dnode;
944fa9e406ahrens	}
945fa9e406ahrens	dmu_object_info_from_dnode(dn, &doi);
946fa9e406ahrens
947fa9e406ahrens	nicenum(doi.doi_metadata_block_size, iblk);
948fa9e406ahrens	nicenum(doi.doi_data_block_size, dblk);
949fa9e406ahrens	nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1),
950fa9e406ahrens	    lsize);
951fa9e406ahrens	nicenum(doi.doi_physical_blks << 9, psize);
952fa9e406ahrens	nicenum(doi.doi_bonus_size, bonus_size);
953fa9e406ahrens
954fa9e406ahrens	aux[0] = '\0';
955fa9e406ahrens
956fa9e406ahrens	if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6)
957fa9e406ahrens		(void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
958fa9e406ahrens		zio_checksum_table[doi.doi_checksum].ci_name);
959fa9e406ahrens
960fa9e406ahrens	if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6)
961fa9e406ahrens		(void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
962fa9e406ahrens		zio_compress_table[doi.doi_compress].ci_name);
963fa9e406ahrens
964fa9e406ahrens	(void) printf("%10lld  %3u  %5s  %5s  %5s  %5s  %s%s\n",
965fa9e406ahrens	    (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize,
966fa9e406ahrens	    psize, dmu_ot[doi.doi_type].ot_name, aux);
967fa9e406ahrens
968fa9e406ahrens	if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
969fa9e406ahrens		(void) printf("%10s  %3s  %5s  %5s  %5s  %5s  %s\n",
970fa9e406ahrens		    "", "", "", "", bonus_size, "bonus",
971fa9e406ahrens		    dmu_ot[doi.doi_bonus_type].ot_name);
972fa9e406ahrens	}
973fa9e406ahrens
974fa9e406ahrens	if (verbosity >= 4) {
975fa9e406ahrens		object_viewer[doi.doi_bonus_type](os, object, bonus, bsize);
976fa9e406ahrens		object_viewer[doi.doi_type](os, object, NULL, 0);
977fa9e406ahrens		*print_header = 1;
978fa9e406ahrens	}
979fa9e406ahrens
980fa9e406ahrens	if (verbosity >= 5)
981fa9e406ahrens		dump_indirect(os, object, NULL, 0);
982fa9e406ahrens
983fa9e406ahrens	if (verbosity >= 5) {
984fa9e406ahrens		/*
985fa9e406ahrens		 * Report the list of segments that comprise the object.
986