zdb.c revision 5ad820458efd0fdb914baff9c1447c22b819fa23
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>
29004388ecasper#include <stdio_ext.h>
30fa9e406ahrens#include <stdlib.h>
3144cd46cbillm#include <ctype.h>
32fa9e406ahrens#include <sys/zfs_context.h>
33fa9e406ahrens#include <sys/spa.h>
34fa9e406ahrens#include <sys/spa_impl.h>
35fa9e406ahrens#include <sys/dmu.h>
36fa9e406ahrens#include <sys/zap.h>
37fa9e406ahrens#include <sys/fs/zfs.h>
38fa9e406ahrens#include <sys/zfs_znode.h>
39fa9e406ahrens#include <sys/vdev.h>
40fa9e406ahrens#include <sys/vdev_impl.h>
41fa9e406ahrens#include <sys/metaslab_impl.h>
42fa9e406ahrens#include <sys/dmu_objset.h>
43fa9e406ahrens#include <sys/dsl_dir.h>
44fa9e406ahrens#include <sys/dsl_dataset.h>
45fa9e406ahrens#include <sys/dsl_pool.h>
46fa9e406ahrens#include <sys/dbuf.h>
47fa9e406ahrens#include <sys/zil.h>
48fa9e406ahrens#include <sys/zil_impl.h>
49fa9e406ahrens#include <sys/stat.h>
50fa9e406ahrens#include <sys/resource.h>
51fa9e406ahrens#include <sys/dmu_traverse.h>
52fa9e406ahrens#include <sys/zio_checksum.h>
53fa9e406ahrens#include <sys/zio_compress.h>
54fa9e406ahrens
55fa9e406ahrensconst char cmdname[] = "zdb";
56fa9e406ahrensuint8_t dump_opt[256];
57fa9e406ahrens
58fa9e406ahrenstypedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
59fa9e406ahrens
60fa9e406ahrensextern void dump_intent_log(zilog_t *);
61fa9e406ahrensuint64_t *zopt_object = NULL;
62fa9e406ahrensint zopt_objects = 0;
63fa9e406ahrensint zdb_advance = ADVANCE_PRE;
64fa9e406ahrenszbookmark_t zdb_noread = { 0, 0, ZB_NO_LEVEL, 0 };
65fa9e406ahrens
66fa9e406ahrens/*
67fa9e406ahrens * These libumem hooks provide a reasonable set of defaults for the allocator's
68fa9e406ahrens * debugging facilities.
69fa9e406ahrens */
70fa9e406ahrensconst char *
71fa9e406ahrens_umem_debug_init()
72fa9e406ahrens{
73fa9e406ahrens	return ("default,verbose"); /* $UMEM_DEBUG setting */
74fa9e406ahrens}
75fa9e406ahrens
76fa9e406ahrensconst char *
77fa9e406ahrens_umem_logging_init(void)
78fa9e406ahrens{
79fa9e406ahrens	return ("fail,contents"); /* $UMEM_LOGGING setting */
80fa9e406ahrens}
81fa9e406ahrens
82fa9e406ahrensstatic void
83fa9e406ahrensusage(void)
84fa9e406ahrens{
85fa9e406ahrens	(void) fprintf(stderr,
86fa9e406ahrens	    "Usage: %s [-udibcsvLU] [-O order] [-B os:obj:level:blkid] "
87fa9e406ahrens	    "dataset [object...]\n"
88fa9e406ahrens	    "       %s -C [pool]\n"
8944cd46cbillm	    "       %s -l dev\n"
9044cd46cbillm	    "       %s -R vdev:offset:size:flags\n",
9144cd46cbillm	    cmdname, cmdname, cmdname, cmdname);
92fa9e406ahrens
93fa9e406ahrens	(void) fprintf(stderr, "	-u uberblock\n");
94fa9e406ahrens	(void) fprintf(stderr, "	-d datasets\n");
95fa9e406ahrens	(void) fprintf(stderr, "        -C cached pool configuration\n");
96fa9e406ahrens	(void) fprintf(stderr, "	-i intent logs\n");
97fa9e406ahrens	(void) fprintf(stderr, "	-b block statistics\n");
98fa9e406ahrens	(void) fprintf(stderr, "	-c checksum all data blocks\n");
99fa9e406ahrens	(void) fprintf(stderr, "	-s report stats on zdb's I/O\n");
100fa9e406ahrens	(void) fprintf(stderr, "	-v verbose (applies to all others)\n");
101fa9e406ahrens	(void) fprintf(stderr, "        -l dump label contents\n");
102fa9e406ahrens	(void) fprintf(stderr, "	-L live pool (allows some errors)\n");
103fa9e406ahrens	(void) fprintf(stderr, "	-O [!]<pre|post|prune|data|holes> "
104fa9e406ahrens	    "visitation order\n");
105fa9e406ahrens	(void) fprintf(stderr, "	-U use zpool.cache in /tmp\n");
106fa9e406ahrens	(void) fprintf(stderr, "	-B objset:object:level:blkid -- "
107fa9e406ahrens	    "simulate bad block\n");
10844cd46cbillm	(void) fprintf(stderr, "        -R read and display block from a"
10944cd46cbillm	    "device\n");
110fa9e406ahrens	(void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
111fa9e406ahrens	    "to make only that option verbose\n");
112fa9e406ahrens	(void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
113fa9e406ahrens	exit(1);
114fa9e406ahrens}
115fa9e406ahrens
116fa9e406ahrensstatic void
117fa9e406ahrensfatal(const char *fmt, ...)
118fa9e406ahrens{
119fa9e406ahrens	va_list ap;
120fa9e406ahrens
121fa9e406ahrens	va_start(ap, fmt);
122fa9e406ahrens	(void) fprintf(stderr, "%s: ", cmdname);
123fa9e406ahrens	(void) vfprintf(stderr, fmt, ap);
124fa9e406ahrens	va_end(ap);
125fa9e406ahrens	(void) fprintf(stderr, "\n");
126fa9e406ahrens
127fa9e406ahrens	exit(1);
128fa9e406ahrens}
129fa9e406ahrens
130fa9e406ahrensstatic void
131fa9e406ahrensdump_nvlist(nvlist_t *list, int indent)
132fa9e406ahrens{
133fa9e406ahrens	nvpair_t *elem = NULL;
134fa9e406ahrens
135fa9e406ahrens	while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
136fa9e406ahrens		switch (nvpair_type(elem)) {
137fa9e406ahrens		case DATA_TYPE_STRING:
138fa9e406ahrens			{
139fa9e406ahrens				char *value;
140fa9e406ahrens
141fa9e406ahrens				VERIFY(nvpair_value_string(elem, &value) == 0);
142fa9e406ahrens				(void) printf("%*s%s='%s'\n", indent, "",
143fa9e406ahrens				    nvpair_name(elem), value);
144fa9e406ahrens			}
145fa9e406ahrens			break;
146fa9e406ahrens
147fa9e406ahrens		case DATA_TYPE_UINT64:
148fa9e406ahrens			{
149fa9e406ahrens				uint64_t value;
150fa9e406ahrens
151fa9e406ahrens				VERIFY(nvpair_value_uint64(elem, &value) == 0);
152fa9e406ahrens				(void) printf("%*s%s=%llu\n", indent, "",
153fa9e406ahrens				    nvpair_name(elem), (u_longlong_t)value);
154fa9e406ahrens			}
155fa9e406ahrens			break;
156fa9e406ahrens
157fa9e406ahrens		case DATA_TYPE_NVLIST:
158fa9e406ahrens			{
159fa9e406ahrens				nvlist_t *value;
160fa9e406ahrens
161fa9e406ahrens				VERIFY(nvpair_value_nvlist(elem, &value) == 0);
162fa9e406ahrens				(void) printf("%*s%s\n", indent, "",
163fa9e406ahrens				    nvpair_name(elem));
164fa9e406ahrens				dump_nvlist(value, indent + 4);
165fa9e406ahrens			}
166fa9e406ahrens			break;
167fa9e406ahrens
168fa9e406ahrens		case DATA_TYPE_NVLIST_ARRAY:
169fa9e406ahrens			{
170fa9e406ahrens				nvlist_t **value;
171fa9e406ahrens				uint_t c, count;
172fa9e406ahrens
173fa9e406ahrens				VERIFY(nvpair_value_nvlist_array(elem, &value,
174fa9e406ahrens				    &count) == 0);
175fa9e406ahrens
176fa9e406ahrens				for (c = 0; c < count; c++) {
177fa9e406ahrens					(void) printf("%*s%s[%u]\n", indent, "",
178fa9e406ahrens					    nvpair_name(elem), c);
179fa9e406ahrens					dump_nvlist(value[c], indent + 8);
180fa9e406ahrens				}
181fa9e406ahrens			}
182fa9e406ahrens			break;
183fa9e406ahrens
184fa9e406ahrens		default:
185fa9e406ahrens
186fa9e406ahrens			(void) printf("bad config type %d for %s\n",
187fa9e406ahrens			    nvpair_type(elem), nvpair_name(elem));
188fa9e406ahrens		}
189fa9e406ahrens	}
190fa9e406ahrens}
191fa9e406ahrens
192fa9e406ahrens/* ARGSUSED */
193fa9e406ahrensstatic void
194fa9e406ahrensdump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
195fa9e406ahrens{
196fa9e406ahrens	nvlist_t *nv;
197fa9e406ahrens	size_t nvsize = *(uint64_t *)data;
198fa9e406ahrens	char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
199fa9e406ahrens
200ea8dc4beschrock	VERIFY(0 == dmu_read(os, object, 0, nvsize, packed));
201fa9e406ahrens
202fa9e406ahrens	VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
203fa9e406ahrens
204fa9e406ahrens	umem_free(packed, nvsize);
205fa9e406ahrens
206fa9e406ahrens	dump_nvlist(nv, 8);
207fa9e406ahrens
208fa9e406ahrens	nvlist_free(nv);
209fa9e406ahrens}
210fa9e406ahrens
211fa9e406ahrensconst char dump_zap_stars[] = "****************************************";
212fa9e406ahrensconst int dump_zap_width = sizeof (dump_zap_stars) - 1;
213fa9e406ahrens
214fa9e406ahrensstatic void
215fa9e406ahrensdump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
216fa9e406ahrens{
217fa9e406ahrens	int i;
218fa9e406ahrens	int minidx = ZAP_HISTOGRAM_SIZE - 1;
219fa9e406ahrens	int maxidx = 0;
220fa9e406ahrens	uint64_t max = 0;
221fa9e406ahrens
222fa9e406ahrens	for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
223fa9e406ahrens		if (histo[i] > max)
224fa9e406ahrens			max = histo[i];
225fa9e406ahrens		if (histo[i] > 0 && i > maxidx)
226fa9e406ahrens			maxidx = i;
227fa9e406ahrens		if (histo[i] > 0 && i < minidx)
228fa9e406ahrens			minidx = i;
229fa9e406ahrens	}
230fa9e406ahrens
231fa9e406ahrens	if (max < dump_zap_width)
232fa9e406ahrens		max = dump_zap_width;
233fa9e406ahrens
234fa9e406ahrens	for (i = minidx; i <= maxidx; i++)
235fa9e406ahrens		(void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
236fa9e406ahrens		    &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
237fa9e406ahrens}
238fa9e406ahrens
239fa9e406ahrensstatic void
240fa9e406ahrensdump_zap_stats(objset_t *os, uint64_t object)
241fa9e406ahrens{
242fa9e406ahrens	int error;
243fa9e406ahrens	zap_stats_t zs;
244fa9e406ahrens
245fa9e406ahrens	error = zap_get_stats(os, object, &zs);
246fa9e406ahrens	if (error)
247fa9e406ahrens		return;
248fa9e406ahrens
249fa9e406ahrens	if (zs.zs_ptrtbl_len == 0) {
250fa9e406ahrens		ASSERT(zs.zs_num_blocks == 1);
251fa9e406ahrens		(void) printf("\tmicrozap: %llu bytes, %llu entries\n",
252fa9e406ahrens		    (u_longlong_t)zs.zs_blocksize,
253fa9e406ahrens		    (u_longlong_t)zs.zs_num_entries);
254fa9e406ahrens		return;
255fa9e406ahrens	}
256fa9e406ahrens
257fa9e406ahrens	(void) printf("\tFat ZAP stats:\n");
2588248818nd
2598248818nd	(void) printf("\t\tPointer table:\n");
2608248818nd	(void) printf("\t\t\t%llu elements\n",
261fa9e406ahrens	    (u_longlong_t)zs.zs_ptrtbl_len);
2628248818nd	(void) printf("\t\t\tzt_blk: %llu\n",
2638248818nd	    (u_longlong_t)zs.zs_ptrtbl_zt_blk);
2648248818nd	(void) printf("\t\t\tzt_numblks: %llu\n",
2658248818nd	    (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
2668248818nd	(void) printf("\t\t\tzt_shift: %llu\n",
2678248818nd	    (u_longlong_t)zs.zs_ptrtbl_zt_shift);
2688248818nd	(void) printf("\t\t\tzt_blks_copied: %llu\n",
2698248818nd	    (u_longlong_t)zs.zs_ptrtbl_blks_copied);
2708248818nd	(void) printf("\t\t\tzt_nextblk: %llu\n",
2718248818nd	    (u_longlong_t)zs.zs_ptrtbl_nextblk);
2728248818nd
273fa9e406ahrens	(void) printf("\t\tZAP entries: %llu\n",
274fa9e406ahrens	    (u_longlong_t)zs.zs_num_entries);
275fa9e406ahrens	(void) printf("\t\tLeaf blocks: %llu\n",
276fa9e406ahrens	    (u_longlong_t)zs.zs_num_leafs);
277fa9e406ahrens	(void) printf("\t\tTotal blocks: %llu\n",
278fa9e406ahrens	    (u_longlong_t)zs.zs_num_blocks);
2798248818nd	(void) printf("\t\tzap_block_type: 0x%llx\n",
2808248818nd	    (u_longlong_t)zs.zs_block_type);
2818248818nd	(void) printf("\t\tzap_magic: 0x%llx\n",
2828248818nd	    (u_longlong_t)zs.zs_magic);
2838248818nd	(void) printf("\t\tzap_salt: 0x%llx\n",
2848248818nd	    (u_longlong_t)zs.zs_salt);
285fa9e406ahrens
286fa9e406ahrens	(void) printf("\t\tLeafs with 2^n pointers:\n");
287fa9e406ahrens	dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
288fa9e406ahrens
289fa9e406ahrens	(void) printf("\t\tBlocks with n*5 entries:\n");
290fa9e406ahrens	dump_zap_histogram(zs.zs_blocks_with_n5_entries);
291fa9e406ahrens
292fa9e406ahrens	(void) printf("\t\tBlocks n/10 full:\n");
293fa9e406ahrens	dump_zap_histogram(zs.zs_blocks_n_tenths_full);
294fa9e406ahrens
295fa9e406ahrens	(void) printf("\t\tEntries with n chunks:\n");
296fa9e406ahrens	dump_zap_histogram(zs.zs_entries_using_n_chunks);
297fa9e406ahrens
298fa9e406ahrens	(void) printf("\t\tBuckets with n entries:\n");
299fa9e406ahrens	dump_zap_histogram(zs.zs_buckets_with_n_entries);
300fa9e406ahrens}
301fa9e406ahrens
302fa9e406ahrens/*ARGSUSED*/
303fa9e406ahrensstatic void
304fa9e406ahrensdump_none(objset_t *os, uint64_t object, void *data, size_t size)
305fa9e406ahrens{
306fa9e406ahrens}
307fa9e406ahrens
308fa9e406ahrens/*ARGSUSED*/
309fa9e406ahrensvoid
310fa9e406ahrensdump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
311fa9e406ahrens{
312fa9e406ahrens}
313fa9e406ahrens
314fa9e406ahrens/*ARGSUSED*/
315fa9e406ahrensstatic void
316fa9e406ahrensdump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
317fa9e406ahrens{
318fa9e406ahrens}
319fa9e406ahrens
320fa9e406ahrens/*ARGSUSED*/
321fa9e406ahrensstatic void
322fa9e406ahrensdump_zap(objset_t *os, uint64_t object, void *data, size_t size)
323fa9e406ahrens{
324fa9e406ahrens	zap_cursor_t zc;
325fa9e406ahrens	zap_attribute_t attr;
326fa9e406ahrens	void *prop;
327fa9e406ahrens	int i;
328fa9e406ahrens
329fa9e406ahrens	dump_zap_stats(os, object);
330fa9e406ahrens	(void) printf("\n");
331fa9e406ahrens
332fa9e406ahrens	for (zap_cursor_init(&zc, os, object);
333fa9e406ahrens	    zap_cursor_retrieve(&zc, &attr) == 0;
334fa9e406ahrens	    zap_cursor_advance(&zc)) {
335fa9e406ahrens		(void) printf("\t\t%s = ", attr.za_name);
336fa9e406ahrens		if (attr.za_num_integers == 0) {
337fa9e406ahrens			(void) printf("\n");
338fa9e406ahrens			continue;
339fa9e406ahrens		}
340fa9e406ahrens		prop = umem_zalloc(attr.za_num_integers *
341fa9e406ahrens		    attr.za_integer_length, UMEM_NOFAIL);
342fa9e406ahrens		(void) zap_lookup(os, object, attr.za_name,
343fa9e406ahrens		    attr.za_integer_length, attr.za_num_integers, prop);
344fa9e406ahrens		if (attr.za_integer_length == 1) {
345fa9e406ahrens			(void) printf("%s", (char *)prop);
346fa9e406ahrens		} else {
347fa9e406ahrens			for (i = 0; i < attr.za_num_integers; i++) {
348fa9e406ahrens				switch (attr.za_integer_length) {
349fa9e406ahrens				case 2:
350fa9e406ahrens					(void) printf("%u ",
351fa9e406ahrens					    ((uint16_t *)prop)[i]);
352fa9e406ahrens					break;
353fa9e406ahrens				case 4:
354fa9e406ahrens					(void) printf("%u ",
355fa9e406ahrens					    ((uint32_t *)prop)[i]);
356fa9e406ahrens					break;
357fa9e406ahrens				case 8:
358fa9e406ahrens					(void) printf("%lld ",
359fa9e406ahrens					    (u_longlong_t)((int64_t *)prop)[i]);
360fa9e406ahrens					break;
361fa9e406ahrens				}
362fa9e406ahrens			}
363fa9e406ahrens		}
364fa9e406ahrens		(void) printf("\n");
365fa9e406ahrens		umem_free(prop, attr.za_num_integers * attr.za_integer_length);
366fa9e406ahrens	}
36787e5029ahrens	zap_cursor_fini(&zc);
368fa9e406ahrens}
369fa9e406ahrens
370fa9e406ahrensstatic void
371fa9e406ahrensdump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
372fa9e406ahrens{
373fa9e406ahrens	uint64_t alloc, offset, entry;
374ecc2d60bonwick	uint8_t mapshift = sm->sm_shift;
375fa9e406ahrens	uint64_t mapstart = sm->sm_start;
376fa9e406ahrens	char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID" };
377fa9e406ahrens
378fa9e406ahrens	if (smo->smo_object == 0)
379fa9e406ahrens		return;
380fa9e406ahrens
381fa9e406ahrens	/*
382fa9e406ahrens	 * Print out the freelist entries in both encoded and decoded form.
383fa9e406ahrens	 */
384fa9e406ahrens	alloc = 0;
385fa9e406ahrens	for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
386ea8dc4beschrock		VERIFY(0 == dmu_read(os, smo->smo_object, offset,
387ea8dc4beschrock		    sizeof (entry), &entry));
388fa9e406ahrens		if (SM_DEBUG_DECODE(entry)) {
389fa9e406ahrens			(void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n",
390fa9e406ahrens			    (u_longlong_t)(offset / sizeof (entry)),
391fa9e406ahrens			    ddata[SM_DEBUG_ACTION_DECODE(entry)],
3925ad8204nd			    (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
3935ad8204nd			    (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
394fa9e406ahrens		} else {
395fa9e406ahrens			(void) printf("\t\t[%4llu]    %c  range:"
396fa9e406ahrens			    " %08llx-%08llx  size: %06llx\n",
397fa9e406ahrens			    (u_longlong_t)(offset / sizeof (entry)),
398fa9e406ahrens			    SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
3995ad8204nd			    (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
4005ad8204nd			    mapshift) + mapstart),
4015ad8204nd			    (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
4025ad8204nd			    mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
4035ad8204nd			    mapshift)),
4045ad8204nd			    (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
405fa9e406ahrens			if (SM_TYPE_DECODE(entry) == SM_ALLOC)
406fa9e406ahrens				alloc += SM_RUN_DECODE(entry) << mapshift;
407fa9e406ahrens			else
408fa9e406ahrens				alloc -= SM_RUN_DECODE(entry) << mapshift;
409fa9e406ahrens		}
410fa9e406ahrens	}
411fa9e406ahrens	if (alloc != smo->smo_alloc) {
412fa9e406ahrens		(void) printf("space_map_object alloc (%llu) INCONSISTENT "
413fa9e406ahrens		    "with space map summary (%llu)\n",
414fa9e406ahrens		    (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
415fa9e406ahrens	}
416fa9e406ahrens}
417fa9e406ahrens
418fa9e406ahrensstatic void
419fa9e406ahrensdump_metaslab(metaslab_t *msp)
420fa9e406ahrens{
421fa9e406ahrens	char freebuf[5];
422ecc2d60bonwick	space_map_obj_t *smo = &msp->ms_smo;
423fa9e406ahrens	vdev_t *vd = msp->ms_group->mg_vd;
424fa9e406ahrens	spa_t *spa = vd->vdev_spa;
425fa9e406ahrens
426fa9e406ahrens	nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf);
427fa9e406ahrens
428fa9e406ahrens	if (dump_opt['d'] <= 5) {
429fa9e406ahrens		(void) printf("\t%10llx   %10llu   %5s\n",
430fa9e406ahrens		    (u_longlong_t)msp->ms_map.sm_start,
431fa9e406ahrens		    (u_longlong_t)smo->smo_object,
432fa9e406ahrens		    freebuf);
433fa9e406ahrens		return;
434fa9e406ahrens	}
435fa9e406ahrens
436fa9e406ahrens	(void) printf(
437fa9e406ahrens	    "\tvdev %llu   offset %08llx   spacemap %4llu   free %5s\n",
438fa9e406ahrens	    (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start,
439fa9e406ahrens	    (u_longlong_t)smo->smo_object, freebuf);
440fa9e406ahrens
441fa9e406ahrens	ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
442fa9e406ahrens
443fa9e406ahrens	dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
444fa9e406ahrens}
445fa9e406ahrens
446fa9e406ahrensstatic void
447fa9e406ahrensdump_metaslabs(spa_t *spa)
448fa9e406ahrens{
449fa9e406ahrens	vdev_t *rvd = spa->spa_root_vdev;
450fa9e406ahrens	vdev_t *vd;
451fa9e406ahrens	int c, m;
452fa9e406ahrens
453fa9e406ahrens	(void) printf("\nMetaslabs:\n");
454fa9e406ahrens
455fa9e406ahrens	for (c = 0; c < rvd->vdev_children; c++) {
456fa9e406ahrens		vd = rvd->vdev_child[c];
457fa9e406ahrens
458ea8dc4beschrock		spa_config_enter(spa, RW_READER, FTAG);
459fa9e406ahrens		(void) printf("\n    vdev %llu = %s\n\n",
460fa9e406ahrens		    (u_longlong_t)vd->vdev_id, vdev_description(vd));
461ea8dc4beschrock		spa_config_exit(spa, FTAG);
462fa9e406ahrens
463fa9e406ahrens		if (dump_opt['d'] <= 5) {
464fa9e406ahrens			(void) printf("\t%10s   %10s   %5s\n",
465fa9e406ahrens			    "offset", "spacemap", "free");
466fa9e406ahrens			(void) printf("\t%10s   %10s   %5s\n",
467fa9e406ahrens			    "------", "--------", "----");
468fa9e406ahrens		}
469fa9e406ahrens		for (m = 0; m < vd->vdev_ms_count; m++)
470fa9e406ahrens			dump_metaslab(vd->vdev_ms[m]);
471fa9e406ahrens		(void) printf("\n");
472fa9e406ahrens	}
473fa9e406ahrens}
474fa9e406ahrens
475fa9e406ahrensstatic void
476fa9e406ahrensdump_dtl(vdev_t *vd, int indent)
477fa9e406ahrens{
478fa9e406ahrens	avl_tree_t *t = &vd->vdev_dtl_map.sm_root;
479fa9e406ahrens	spa_t *spa = vd->vdev_spa;
480fa9e406ahrens	space_seg_t *ss;
481fa9e406ahrens	vdev_t *pvd;
482fa9e406ahrens	int c;
483fa9e406ahrens
484fa9e406ahrens	if (indent == 0)
485fa9e406ahrens		(void) printf("\nDirty time logs:\n\n");
486fa9e406ahrens
487ea8dc4beschrock	spa_config_enter(spa, RW_READER, FTAG);
488fa9e406ahrens	(void) printf("\t%*s%s\n", indent, "", vdev_description(vd));
489ea8dc4beschrock	spa_config_exit(spa, FTAG);
490fa9e406ahrens
491fa9e406ahrens	for (ss = avl_first(t); ss; ss = AVL_NEXT(t, ss)) {
492fa9e406ahrens		/*
493fa9e406ahrens		 * Everything in this DTL must appear in all parent DTL unions.
494fa9e406ahrens		 */
495fa9e406ahrens		for (pvd = vd; pvd; pvd = pvd->vdev_parent)
496fa9e406ahrens			ASSERT(vdev_dtl_contains(&pvd->vdev_dtl_map,
497fa9e406ahrens			    ss->ss_start, ss->ss_end - ss->ss_start));
498fa9e406ahrens		(void) printf("\t%*soutage [%llu,%llu] length %llu\n",
499fa9e406ahrens		    indent, "",
500fa9e406ahrens		    (u_longlong_t)ss->ss_start,
501fa9e406ahrens		    (u_longlong_t)ss->ss_end - 1,
5025ad8204nd		    (u_longlong_t)(ss->ss_end - ss->ss_start));
503fa9e406ahrens	}
504fa9e406ahrens
505fa9e406ahrens	(void) printf("\n");
506fa9e406ahrens
507fa9e406ahrens	if (dump_opt['d'] > 5 && vd->vdev_children == 0) {
508fa9e406ahrens		dump_spacemap(vd->vdev_spa->spa_meta_objset, &vd->vdev_dtl,
509fa9e406ahrens		    &vd->vdev_dtl_map);
510fa9e406ahrens		(void) printf("\n");
511fa9e406ahrens	}
512fa9e406ahrens
513fa9e406ahrens	for (c = 0; c < vd->vdev_children; c++)
514fa9e406ahrens		dump_dtl(vd->vdev_child[c], indent + 4);
515fa9e406ahrens}
516fa9e406ahrens
517fa9e406ahrens/*ARGSUSED*/
518fa9e406ahrensstatic void
519fa9e406ahrensdump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
520fa9e406ahrens{
521fa9e406ahrens}
522fa9e406ahrens
523fa9e406ahrensstatic uint64_t
524fa9e406ahrensblkid2offset(dnode_phys_t *dnp, int level, uint64_t blkid)
525fa9e406ahrens{
526fa9e406ahrens	if (level < 0)
527fa9e406ahrens		return (blkid);
528fa9e406ahrens
529fa9e406ahrens	return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
530fa9e406ahrens	    dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
531fa9e406ahrens}
532fa9e406ahrens
53344cd46cbillmstatic void
53444cd46cbillmsprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas)
53544cd46cbillm{
53644cd46cbillm	dva_t *dva = bp->blk_dva;
53744cd46cbillm	int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1;
53844cd46cbillm	int i;
53944cd46cbillm
54044cd46cbillm	blkbuf[0] = '\0';
54144cd46cbillm
54244cd46cbillm	for (i = 0; i < ndvas; i++)
54344cd46cbillm		(void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
54444cd46cbillm		    (u_longlong_t)DVA_GET_VDEV(&dva[i]),
54544cd46cbillm		    (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
54644cd46cbillm		    (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
54744cd46cbillm
54844cd46cbillm	(void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu",
54944cd46cbillm	    (u_longlong_t)BP_GET_LSIZE(bp),
55044cd46cbillm	    (u_longlong_t)BP_GET_PSIZE(bp),
55144cd46cbillm	    (u_longlong_t)bp->blk_fill,
55244cd46cbillm	    (u_longlong_t)bp->blk_birth);
55344cd46cbillm}
55444cd46cbillm
555fa9e406ahrens/* ARGSUSED */
556fa9e406ahrensstatic int
557fa9e406ahrenszdb_indirect_cb(traverse_blk_cache_t *bc, spa_t *spa, void *a)
558fa9e406ahrens{
559fa9e406ahrens	zbookmark_t *zb = &bc->bc_bookmark;
560fa9e406ahrens	blkptr_t *bp = &bc->bc_blkptr;
561fa9e406ahrens	void *data = bc->bc_data;
562fa9e406ahrens	dnode_phys_t *dnp = bc->bc_dnode;
56344cd46cbillm	char blkbuf[BP_SPRINTF_LEN + 80];
564fa9e406ahrens	int l;
565fa9e406ahrens
566fa9e406ahrens	if (bc->bc_errno) {
56744cd46cbillm		(void) sprintf(blkbuf,
568ea8dc4beschrock		    "Error %d reading <%llu, %llu, %lld, %llu>: ",
569fa9e406ahrens		    bc->bc_errno,
570fa9e406ahrens		    (u_longlong_t)zb->zb_objset,
571fa9e406ahrens		    (u_longlong_t)zb->zb_object,
572ea8dc4beschrock		    (u_longlong_t)zb->zb_level,
573fa9e406ahrens		    (u_longlong_t)zb->zb_blkid);
574fa9e406ahrens		goto out;
575fa9e406ahrens	}
576fa9e406ahrens
577fa9e406ahrens	if (zb->zb_level == -1) {
578fa9e406ahrens		ASSERT3U(BP_GET_TYPE(bp), ==, DMU_OT_OBJSET);
579fa9e406ahrens		ASSERT3U(BP_GET_LEVEL(bp), ==, 0);
580fa9e406ahrens	} else {
581fa9e406ahrens		ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
582fa9e406ahrens		ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
583fa9e406ahrens	}
584fa9e406ahrens
585fa9e406ahrens	if (zb->zb_level > 0) {
586fa9e406ahrens		uint64_t fill = 0;
587fa9e406ahrens		blkptr_t *bpx, *bpend;
588fa9e406ahrens
589fa9e406ahrens		for (bpx = data, bpend = bpx + BP_GET_LSIZE(bp) / sizeof (*bpx);
590fa9e406ahrens		    bpx < bpend; bpx++) {
591fa9e406ahrens			if (bpx->blk_birth != 0) {
592fa9e406ahrens				fill += bpx->blk_fill;
593fa9e406ahrens			} else {
594fa9e406ahrens				ASSERT(bpx->blk_fill == 0);
595fa9e406ahrens			}
596fa9e406ahrens		}
597fa9e406ahrens		ASSERT3U(fill, ==, bp->blk_fill);
598fa9e406ahrens	}
599fa9e406ahrens
600fa9e406ahrens	if (zb->zb_level == 0 && dnp->dn_type == DMU_OT_DNODE) {
601fa9e406ahrens		uint64_t fill = 0;
602fa9e406ahrens		dnode_phys_t *dnx, *dnend;
603fa9e406ahrens
604fa9e406ahrens		for (dnx = data, dnend = dnx + (BP_GET_LSIZE(bp)>>DNODE_SHIFT);
605fa9e406ahrens		    dnx < dnend; dnx++) {
606fa9e406ahrens			if (dnx->dn_type != DMU_OT_NONE)
607fa9e406ahrens				fill++;
608fa9e406ahrens		}
609fa9e406ahrens		ASSERT3U(fill, ==, bp->blk_fill);
610fa9e406ahrens	}
611fa9e406ahrens
61244cd46cbillm	(void) sprintf(blkbuf, "%16llx ",
613fa9e406ahrens	    (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid));
614fa9e406ahrens
615fa9e406ahrens	ASSERT(zb->zb_level >= 0);
616fa9e406ahrens
617fa9e406ahrens	for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
618fa9e406ahrens		if (l == zb->zb_level) {
61944cd46cbillm			(void) sprintf(blkbuf + strlen(blkbuf), "L%llx",
620ea8dc4beschrock			    (u_longlong_t)zb->zb_level);
621fa9e406ahrens		} else {
62244cd46cbillm			(void) sprintf(blkbuf + strlen(blkbuf), " ");
623fa9e406ahrens		}
624fa9e406ahrens	}
625fa9e406ahrens
626fa9e406ahrensout:
627fa9e406ahrens	if (bp->blk_birth == 0) {
62844cd46cbillm		(void) sprintf(blkbuf + strlen(blkbuf), "<hole>");
62944cd46cbillm		(void) printf("%s\n", blkbuf);
630fa9e406ahrens	} else {
63144cd46cbillm		sprintf_blkptr_compact(blkbuf + strlen(blkbuf), bp,
63244cd46cbillm		    dump_opt['d'] > 5 ? 1 : 0);
63344cd46cbillm		(void) printf("%s\n", blkbuf);
634fa9e406ahrens	}
635fa9e406ahrens
636fa9e406ahrens	return (bc->bc_errno ? ERESTART : 0);
637fa9e406ahrens}
638fa9e406ahrens
639fa9e406ahrens/*ARGSUSED*/
640fa9e406ahrensstatic void
641fa9e406ahrensdump_indirect(objset_t *os, uint64_t object, void *data, size_t size)
642fa9e406ahrens{
643fa9e406ahrens	traverse_handle_t *th;
644fa9e406ahrens	uint64_t objset = dmu_objset_id(os);
645fa9e406ahrens	int advance = zdb_advance;
646fa9e406ahrens
647fa9e406ahrens	(void) printf("Indirect blocks:\n");
648fa9e406ahrens
649fa9e406ahrens	if (object == 0)
650fa9e406ahrens		advance |= ADVANCE_DATA;
651fa9e406ahrens
652fa9e406ahrens	th = traverse_init(dmu_objset_spa(os), zdb_indirect_cb, NULL, advance,
653fa9e406ahrens	    ZIO_FLAG_CANFAIL);
654fa9e406ahrens	th->th_noread = zdb_noread;
655fa9e406ahrens
656fa9e406ahrens	traverse_add_dnode(th, 0, -1ULL, objset, object);
657fa9e406ahrens
658fa9e406ahrens	while (traverse_more(th) == EAGAIN)
659fa9e406ahrens		continue;
660fa9e406ahrens
661fa9e406ahrens	(void) printf("\n");
662fa9e406ahrens
663fa9e406ahrens	traverse_fini(th);
664fa9e406ahrens}
665fa9e406ahrens
666fa9e406ahrens/*ARGSUSED*/
667fa9e406ahrensstatic void
668fa9e406ahrensdump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
669fa9e406ahrens{
670fa9e406ahrens	dsl_dir_phys_t *dd = data;
671fa9e406ahrens	time_t crtime;
672fa9e406ahrens	char used[6], compressed[6], uncompressed[6], quota[6], resv[6];
673fa9e406ahrens
674fa9e406ahrens	if (dd == NULL)
675fa9e406ahrens		return;
676fa9e406ahrens
677fa9e406ahrens	ASSERT(size == sizeof (*dd));
678fa9e406ahrens
679fa9e406ahrens	crtime = dd->dd_creation_time;
680fa9e406ahrens	nicenum(dd->dd_used_bytes, used);
681fa9e406ahrens	nicenum(dd->dd_compressed_bytes, compressed);
682fa9e406ahrens	nicenum(dd->dd_uncompressed_bytes, uncompressed);
683fa9e406ahrens	nicenum(dd->dd_quota, quota);
684fa9e406ahrens	nicenum(dd->dd_reserved, resv);
685fa9e406ahrens
686fa9e406ahrens	(void) printf("\t\tcreation_time = %s", ctime(&crtime));
687fa9e406ahrens	(void) printf("\t\thead_dataset_obj = %llu\n",
688fa9e406ahrens	    (u_longlong_t)dd->dd_head_dataset_obj);
689fa9e406ahrens	(void) printf("\t\tparent_dir_obj = %llu\n",
690fa9e406ahrens	    (u_longlong_t)dd->dd_parent_obj);
691fa9e406ahrens	(void) printf("\t\tclone_parent_obj = %llu\n",
692fa9e406ahrens	    (u_longlong_t)dd->dd_clone_parent_obj);
693fa9e406ahrens	(void) printf("\t\tchild_dir_zapobj = %llu\n",
694fa9e406ahrens	    (u_longlong_t)dd->dd_child_dir_zapobj);
695fa9e406ahrens	(void) printf("\t\tused_bytes = %s\n", used);
696fa9e406ahrens	(void) printf("\t\tcompressed_bytes = %s\n", compressed);
697fa9e406ahrens	(void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
698fa9e406ahrens	(void) printf("\t\tquota = %s\n", quota);
699fa9e406ahrens	(void) printf("\t\treserved = %s\n", resv);
700fa9e406ahrens	(void) printf("\t\tprops_zapobj = %llu\n",
701fa9e406ahrens	    (u_longlong_t)dd->dd_props_zapobj);
702fa9e406ahrens}
703fa9e406ahrens
704fa9e406ahrens/*ARGSUSED*/
705fa9e406ahrensstatic void
706fa9e406ahrensdump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
707fa9e406ahrens{
708fa9e406ahrens	dsl_dataset_phys_t *ds = data;
709fa9e406ahrens	time_t crtime;
710fbabab8maybee	char used[6], compressed[6], uncompressed[6], unique[6];
711fbabab8maybee	char blkbuf[BP_SPRINTF_LEN];
712fa9e406ahrens
713fa9e406ahrens	if (ds == NULL)
714fa9e406ahrens		return;
715fa9e406ahrens
716fa9e406ahrens	ASSERT(size == sizeof (*ds));
717fa9e406ahrens	crtime = ds->ds_creation_time;
718fa9e406ahrens	nicenum(ds->ds_used_bytes, used);
719fa9e406ahrens	nicenum(ds->ds_compressed_bytes, compressed);
720fa9e406ahrens	nicenum(ds->ds_uncompressed_bytes, uncompressed);
721fa9e406ahrens	nicenum(ds->ds_unique_bytes, unique);
722fbabab8maybee	sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp);
723fa9e406ahrens
724fa9e406ahrens	(void) printf("\t\tdataset_obj = %llu\n",
725fa9e406ahrens	    (u_longlong_t)ds->ds_dir_obj);
726fa9e406ahrens	(void) printf("\t\tprev_snap_obj = %llu\n",
727fa9e406ahrens	    (u_longlong_t)ds->ds_prev_snap_obj);
728fa9e406ahrens	(void) printf("\t\tprev_snap_txg = %llu\n",
729fa9e406ahrens	    (u_longlong_t)ds->ds_prev_snap_txg);
730fa9e406ahrens	(void) printf("\t\tnext_snap_obj = %llu\n",
731fa9e406ahrens	    (u_longlong_t)ds->ds_next_snap_obj);
732fa9e406ahrens	(void) printf("\t\tsnapnames_zapobj = %llu\n",
733fa9e406ahrens	    (u_longlong_t)ds->ds_snapnames_zapobj);
734fa9e406ahrens	(void) printf("\t\tnum_children = %llu\n",
735fa9e406ahrens	    (u_longlong_t)ds->ds_num_children);
736fa9e406ahrens	(void) printf("\t\tcreation_time = %s", ctime(&crtime));
737fa9e406ahrens	(void) printf("\t\tcreation_txg = %llu\n",
738fa9e406ahrens	    (u_longlong_t)ds->ds_creation_txg);
739fa9e406ahrens	(void) printf("\t\tdeadlist_obj = %llu\n",
740fa9e406ahrens	    (u_longlong_t)ds->ds_deadlist_obj);
741fa9e406ahrens	(void) printf("\t\tused_bytes = %s\n", used);
742fa9e406ahrens	(void) printf("\t\tcompressed_bytes = %s\n", compressed);
743fa9e406ahrens	(void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
744fa9e406ahrens	(void) printf("\t\tunique = %s\n", unique);
745fa9e406ahrens	(void) printf("\t\tfsid_guid = %llu\n",
746fa9e406ahrens	    (u_longlong_t)ds->ds_fsid_guid);
747fa9e406ahrens	(void) printf("\t\tguid = %llu\n",
748fa9e406ahrens	    (u_longlong_t)ds->ds_guid);
74999653d4eschrock	(void) printf("\t\tflags = %llx\n",
75099653d4eschrock	    (u_longlong_t)ds->ds_flags);
751fa9e406ahrens	(void) printf("\t\tbp = %s\n", blkbuf);
752fa9e406ahrens}
753fa9e406ahrens
754fa9e406ahrensstatic void
755fa9e406ahrensdump_bplist(objset_t *mos, uint64_t object, char *name)
756fa9e406ahrens{
757fa9e406ahrens	bplist_t bpl = { 0 };
758fa9e406ahrens	blkptr_t blk, *bp = &blk;
759fa9e406ahrens	uint64_t itor = 0;
76099653d4eschrock	char bytes[6];
76199653d4eschrock	char comp[6];
76299653d4eschrock	char uncomp[6];
763fa9e406ahrens
764fa9e406ahrens	if (dump_opt['d'] < 3)
765fa9e406ahrens		return;
766fa9e406ahrens
767ea8dc4beschrock	VERIFY(0 == bplist_open(&bpl, mos, object));
768fa9e406ahrens	if (bplist_empty(&bpl)) {
769fa9e406ahrens		bplist_close(&bpl);
770fa9e406ahrens		return;
771fa9e406ahrens	}
772fa9e406ahrens
77399653d4eschrock	nicenum(bpl.bpl_phys->bpl_bytes, bytes);
77499653d4eschrock	if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) {
77599653d4eschrock		nicenum(bpl.bpl_phys->bpl_comp, comp);
77699653d4eschrock		nicenum(bpl.bpl_phys->bpl_uncomp, uncomp);
77799653d4eschrock		(void) printf("\n    %s: %llu entries, %s (%s/%s comp)\n",
77899653d4eschrock		    name, (u_longlong_t)bpl.bpl_phys->bpl_entries,
77999653d4eschrock		    bytes, comp, uncomp);
78099653d4eschrock	} else {
78199653d4eschrock		(void) printf("\n    %s: %llu entries, %s\n",
78299653d4eschrock		    name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes);
78399653d4eschrock	}
784fa9e406ahrens
785fa9e406ahrens	if (dump_opt['d'] < 5) {
786fa9e406ahrens		bplist_close(&bpl);
787fa9e406ahrens		return;
788fa9e406ahrens	}
789fa9e406ahrens
790fa9e406ahrens	(void) printf("\n");
791fa9e406ahrens
792fa9e406ahrens	while (bplist_iterate(&bpl, &itor, bp) == 0) {
79344cd46cbillm		char blkbuf[BP_SPRINTF_LEN];
79444cd46cbillm
795fa9e406ahrens		ASSERT(bp->blk_birth != 0);
79644cd46cbillm		sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
79744cd46cbillm		(void) printf("\tItem %3llu: %s\n",
79844cd46cbillm		    (u_longlong_t)itor - 1, blkbuf);
799fa9e406ahrens	}
800fa9e406ahrens
801fa9e406ahrens	bplist_close(&bpl);
802fa9e406ahrens}
803fa9e406ahrens
804fa9e406ahrensstatic char *
805fa9e406ahrensznode_path(objset_t *os, uint64_t object, char *pathbuf, size_t size)
806fa9e406ahrens{
807fa9e406ahrens	dmu_buf_t *db;
808fa9e406ahrens	dmu_object_info_t doi;
809fa9e406ahrens	znode_phys_t *zp;
810fa9e406ahrens	uint64_t parent = 0;
811fa9e406ahrens	size_t complen;
812fa9e406ahrens	char component[MAXNAMELEN + 1];
813fa9e406ahrens	char *path;
814ea8dc4beschrock	int error;
815fa9e406ahrens
816fa9e406ahrens	path = pathbuf + size;
817fa9e406ahrens	*--path = '\0';
818fa9e406ahrens
819fa9e406ahrens	for (;;) {
820ea8dc4beschrock		error = dmu_bonus_hold(os, object, FTAG, &db);
821ea8dc4beschrock		if (error)
822fa9e406ahrens			break;
823fa9e406ahrens
824fa9e406ahrens		dmu_object_info_from_db(db, &doi);
825fa9e406ahrens		zp = db->db_data;
826fa9e406ahrens		parent = zp->zp_parent;
827ea8dc4beschrock		dmu_buf_rele(db, FTAG);
828fa9e406ahrens
829fa9e406ahrens		if (doi.doi_bonus_type != DMU_OT_ZNODE)
830fa9e406ahrens			break;
831fa9e406ahrens
832fa9e406ahrens		if (parent == object) {
833fa9e406ahrens			if (path[0] != '/')
834fa9e406ahrens				*--path = '/';
835fa9e406ahrens			return (path);
836fa9e406ahrens		}
837fa9e406ahrens
838fa9e406ahrens		if (zap_value_search(os, parent, object, component) != 0)
839fa9e406ahrens			break;
840fa9e406ahrens
841fa9e406ahrens		complen = strlen(component);
842fa9e406ahrens		path -= complen;
843fa9e406ahrens		bcopy(component, path, complen);
844fa9e406ahrens		*--path = '/';
845fa9e406ahrens
846fa9e406ahrens		object = parent;
847fa9e406ahrens	}
848fa9e406ahrens
8495ad8204nd	(void) sprintf(component, "\?\?\?<object#%llu>", (u_longlong_t)object);
850fa9e406ahrens
851fa9e406ahrens	complen = strlen(component);
852fa9e406ahrens	path -= complen;
853fa9e406ahrens	bcopy(component, path, complen);
854fa9e406ahrens
855fa9e406ahrens	return (path);
856fa9e406ahrens}
857fa9e406ahrens
858fa9e406ahrens/*ARGSUSED*/
859fa9e406ahrensstatic void
860fa9e406ahrensdump_znode(objset_t *os, uint64_t object, void *data, size_t size)
861fa9e406ahrens{
862fa9e406ahrens	znode_phys_t *zp = data;
863fa9e406ahrens	time_t z_crtime, z_atime, z_mtime, z_ctime;
864fa9e406ahrens	char path[MAXPATHLEN * 2];	/* allow for xattr and failure prefix */
865fa9e406ahrens
866fa9e406ahrens	ASSERT(size >= sizeof (znode_phys_t));
867fa9e406ahrens
868fa9e406ahrens	if (dump_opt['d'] < 3) {
869fa9e406ahrens		(void) printf("\t%s\n",
870fa9e406ahrens		    znode_path(os, object, path, sizeof (path)));
871fa9e406ahrens		return;
872fa9e406ahrens	}
873fa9e406ahrens
874fa9e406ahrens	z_crtime = (time_t)zp->zp_crtime[0];
875fa9e406ahrens	z_atime = (time_t)zp->zp_atime[0];
876fa9e406ahrens	z_mtime = (time_t)zp->zp_mtime[0];
877fa9e406ahrens	z_ctime = (time_t)zp->zp_ctime[0];
878fa9e406ahrens
879fa9e406ahrens	(void) printf("\tpath	%s\n",
880fa9e406ahrens	    znode_path(os, object, path, sizeof (path)));
881fa9e406ahrens	(void) printf("\tatime	%s", ctime(&z_atime));
882fa9e406ahrens	(void) printf("\tmtime	%s", ctime(&z_mtime));
883fa9e406ahrens	(void) printf("\tctime	%s", ctime(&z_ctime));
884fa9e406ahrens	(void) printf("\tcrtime	%s", ctime(&z_crtime));
885fa9e406ahrens	(void) printf("\tgen	%llu\n", (u_longlong_t)zp->zp_gen);
886fa9e406ahrens	(void) printf("\tmode	%llo\n", (u_longlong_t)zp->zp_mode);
887fa9e406ahrens	(void) printf("\tsize	%llu\n", (u_longlong_t)zp->zp_size);
888fa9e406ahrens	(void) printf("\tparent	%llu\n", (u_longlong_t)zp->zp_parent);
889fa9e406ahrens	(void) printf("\tlinks	%llu\n", (u_longlong_t)zp->zp_links);
890fa9e406ahrens	(void) printf("\txattr	%llu\n", (u_longlong_t)zp->zp_xattr);
891fa9e406ahrens	(void) printf("\trdev	0x%016llx\n", (u_longlong_t)zp->zp_rdev);
892fa9e406ahrens}
893fa9e406ahrens
894fa9e406ahrens/*ARGSUSED*/
895fa9e406ahrensstatic void
896fa9e406ahrensdump_acl(objset_t *os, uint64_t object, void *data, size_t size)
897fa9e406ahrens{
898fa9e406ahrens}
899fa9e406ahrens
900fa9e406ahrens/*ARGSUSED*/
901fa9e406ahrensstatic void
902fa9e406ahrensdump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
903fa9e406ahrens{
904fa9e406ahrens}
905fa9e406ahrens
906fa9e406ahrensstatic object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = {
907fa9e406ahrens	dump_none,		/* unallocated			*/
908fa9e406ahrens	dump_zap,		/* object directory		*/
909fa9e406ahrens	dump_uint64,		/* object array			*/
910fa9e406ahrens	dump_none,		/* packed nvlist		*/
911fa9e406ahrens	dump_packed_nvlist,	/* packed nvlist size		*/
912fa9e406ahrens	dump_none,		/* bplist			*/
913fa9e406ahrens	dump_none,		/* bplist header		*/
914fa9e406ahrens	dump_none,		/* SPA space map header		*/
915fa9e406ahrens	dump_none,		/* SPA space map		*/
916fa9e406ahrens	dump_none,		/* ZIL intent log		*/
917fa9e406ahrens	dump_dnode,		/* DMU dnode			*/
918fa9e406ahrens	dump_dmu_objset,	/* DMU objset			*/
919ea8dc4beschrock	dump_dsl_dir,		/* DSL directory		*/
920fa9e406ahrens	dump_zap,		/* DSL directory child map	*/
921fa9e406ahrens	dump_zap,		/* DSL dataset snap map		*/
922fa9e406ahrens	dump_zap,		/* DSL props			*/
923fa9e406ahrens	dump_dsl_dataset,	/* DSL dataset			*/
924fa9e406ahrens	dump_znode,		/* ZFS znode			*/
925fa9e406ahrens	dump_acl,		/* ZFS ACL			*/
926fa9e406ahrens	dump_uint8,		/* ZFS plain file		*/
927fa9e406ahrens	dump_zap,		/* ZFS directory		*/
928fa9e406ahrens	dump_zap,		/* ZFS master node		*/
929fa9e406ahrens	dump_zap,		/* ZFS delete queue		*/
930fa9e406ahrens	dump_uint8,		/* zvol object			*/
931fa9e406ahrens	dump_zap,		/* zvol prop			*/
932fa9e406ahrens	dump_uint8,		/* other uint8[]		*/
933fa9e406ahrens	dump_uint64,		/* other uint64[]		*/
934fa9e406ahrens	dump_zap,		/* other ZAP			*/
935ea8dc4beschrock	dump_zap,		/* persistent error log		*/
936fa9e406ahrens};
937fa9e406ahrens
938fa9e406ahrensstatic void
939fa9e406ahrensdump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
940fa9e406ahrens{
941fa9e406ahrens	dmu_buf_t *db = NULL;
942fa9e406ahrens	dmu_object_info_t doi;
943fa9e406ahrens	dnode_t *dn;
944fa9e406ahrens	void *bonus = NULL;
945fa9e406ahrens	size_t bsize = 0;
946ecc2d60bonwick	char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6];
947fa9e406ahrens	char aux[50];
948fa9e406ahrens	int error;
949fa9e406ahrens
950fa9e406ahrens	if (*print_header) {
951fa9e406ahrens		(void) printf("\n    Object  lvl   iblk   dblk  lsize"
952ecc2d60bonwick		    "  asize  type\n");
953fa9e406ahrens		*print_header = 0;
954fa9e406ahrens	}
955fa9e406ahrens
956fa9e406ahrens	if (object == 0) {
957fa9e406ahrens		dn = os->os->os_meta_dnode;
958fa9e406ahrens	} else {
959ea8dc4beschrock		error = dmu_bonus_hold(os, object, FTAG, &db);
960ea8dc4beschrock		if (error)
961ea8dc4beschrock			fatal("dmu_bonus_hold(%llu) failed, errno %u",
962ea8dc4beschrock			    object, error);
963fa9e406ahrens		bonus = db->db_data;
964fa9e406ahrens		bsize = db->db_size;
965fa9e406ahrens		dn = ((dmu_buf_impl_t *)db)->db_dnode;
966fa9e406ahrens	}
967fa9e406ahrens	dmu_object_info_from_dnode(dn, &doi);
968fa9e406ahrens
969fa9e406ahrens	nicenum(doi.doi_metadata_block_size, iblk);
970fa9e406ahrens	nicenum(doi.doi_data_block_size, dblk);
971