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NEX-9752 backport illumos 6950 ARC should cache compressed data
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
6950 ARC should cache compressed data
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Don Brady <don.brady@intel.com>
Reviewed by: Richard Elling <Richard.Elling@RichardElling.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
NEX-8521 zdb -h <pool> raises core dump
Reviewed by: Alex Deiter <alex.deiter@nexenta.com>
Reviewed by: Dan Fields <dan.fields@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
SUP-918: zdb -h infinite loop when buffering records larger than static limit
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
NEX-3650 KRRP needs to clean up cstyle, hdrchk, and mapfile issues
Reviewed by: Jean McCormack <jean.mccormack@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-3214 remove cos object type from dmu.h
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
6391 Override default SPA config location via environment
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Richard Yao <ryao@gentoo.org>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Will Andrews <will@freebsd.org>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
6268 zfs diff confused by moving a file to another directory
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Justin Gibbs <gibbs@scsiguy.com>
Approved by: Dan McDonald <danmcd@omniti.com>
6290 zdb -h overflows stack
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Brian Donohue <brian.donohue@delphix.com>
Reviewed by: Xin Li <delphij@freebsd.org>
Reviewed by: Don Brady <dev.fs.zfs@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>
6047 SPARC boot should support feature@embedded_data
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>
5959 clean up per-dataset feature count code
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Alex Reece <alex@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
NEX-4582 update wrc test cases for allow to use write back cache per tree of datasets
Reviewed by: Steve Peng <steve.peng@nexenta.com>
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
5960 zfs recv should prefetch indirect blocks
5925 zfs receive -o origin=
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
5812 assertion failed in zrl_tryenter(): zr_owner==NULL
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Alex Reece <alex@delphix.com>
Reviewed by: Will Andrews <will@freebsd.org>
Approved by: Gordon Ross <gwr@nexenta.com>
5810 zdb should print details of bpobj
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Alex Reece <alex@delphix.com>
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Will Andrews <will@freebsd.org>
Reviewed by: Simon Klinkert <simon.klinkert@gmail.com>
Approved by: Gordon Ross <gwr@nexenta.com>
NEX-3558 KRRP Integration
NEX-3212 remove vdev prop object type from dmu.h
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Reviewed by: Josef Sipek <josef.sipek@nexenta.com>
4370 avoid transmitting holes during zfs send
4371 DMU code clean up
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Garrett D'Amore <garrett@damore.org>
Make special vdev subtree topology the same as regular vdev subtree to simplify testcase setup
Fixup merge issues
Issue #40: ZDB shouldn't crash with new code
re #12611 rb4105 zpool import panic in ddt_zap_count()
re #8279 rb3915 need a mechanism to notify NMS about ZFS config changes (fix lint -courtesy of Yuri Pankov)
re #12584 rb4049 zfsxx latest code merge (fix lint - courtesy of Yuri Pankov)
re #12585 rb4049 ZFS++ work port - refactoring to improve separation of open/closed code, bug fixes, performance improvements - open code
Bug 11205: add missing libzfs_closed_stubs.c to fix opensource-only build.
ZFS plus work: special vdevs, cos, cos/vdev properties
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--- old/usr/src/cmd/zdb/zdb.c
+++ new/usr/src/cmd/zdb/zdb.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
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14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 - * Copyright (c) 2011, 2017 by Delphix. All rights reserved.
24 + * Copyright (c) 2011, 2016 by Delphix. All rights reserved.
25 25 * Copyright (c) 2014 Integros [integros.com]
26 26 * Copyright 2017 Nexenta Systems, Inc.
27 27 * Copyright 2017 RackTop Systems.
28 28 */
29 29
30 30 #include <stdio.h>
31 31 #include <unistd.h>
32 32 #include <stdio_ext.h>
33 33 #include <stdlib.h>
34 34 #include <ctype.h>
35 +#include <string.h>
36 +#include <errno.h>
35 37 #include <sys/zfs_context.h>
36 38 #include <sys/spa.h>
37 39 #include <sys/spa_impl.h>
38 40 #include <sys/dmu.h>
39 41 #include <sys/zap.h>
40 42 #include <sys/fs/zfs.h>
41 43 #include <sys/zfs_znode.h>
42 44 #include <sys/zfs_sa.h>
43 45 #include <sys/sa.h>
44 46 #include <sys/sa_impl.h>
45 47 #include <sys/vdev.h>
46 48 #include <sys/vdev_impl.h>
47 49 #include <sys/metaslab_impl.h>
48 50 #include <sys/dmu_objset.h>
49 51 #include <sys/dsl_dir.h>
50 52 #include <sys/dsl_dataset.h>
51 53 #include <sys/dsl_pool.h>
52 54 #include <sys/dbuf.h>
53 55 #include <sys/zil.h>
54 56 #include <sys/zil_impl.h>
55 57 #include <sys/stat.h>
56 58 #include <sys/resource.h>
57 59 #include <sys/dmu_traverse.h>
58 60 #include <sys/zio_checksum.h>
59 61 #include <sys/zio_compress.h>
60 62 #include <sys/zfs_fuid.h>
61 63 #include <sys/arc.h>
62 64 #include <sys/ddt.h>
63 65 #include <sys/zfeature.h>
64 66 #include <sys/abd.h>
65 67 #include <sys/blkptr.h>
66 68 #include <zfs_comutil.h>
67 69 #include <libcmdutils.h>
68 70 #undef verify
69 71 #include <libzfs.h>
70 72
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71 73 #include "zdb.h"
72 74
73 75 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
74 76 zio_compress_table[(idx)].ci_name : "UNKNOWN")
75 77 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
76 78 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
77 79 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
78 80 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \
79 81 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN")
80 82 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
81 - (idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA ? \
82 - DMU_OT_ZAP_OTHER : \
83 - (idx) == DMU_OTN_UINT64_DATA || (idx) == DMU_OTN_UINT64_METADATA ? \
84 - DMU_OT_UINT64_OTHER : DMU_OT_NUMTYPES)
83 + (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \
84 + DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES))
85 85
86 86 #ifndef lint
87 87 extern int reference_tracking_enable;
88 88 extern boolean_t zfs_recover;
89 89 extern uint64_t zfs_arc_max, zfs_arc_meta_limit;
90 90 extern int zfs_vdev_async_read_max_active;
91 91 extern int aok;
92 -extern boolean_t spa_load_verify_dryrun;
93 92 #else
94 93 int reference_tracking_enable;
95 94 boolean_t zfs_recover;
96 95 uint64_t zfs_arc_max, zfs_arc_meta_limit;
97 96 int zfs_vdev_async_read_max_active;
98 97 int aok;
99 -boolean_t spa_load_verify_dryrun;
100 98 #endif
101 99
102 100 static const char cmdname[] = "zdb";
103 101 uint8_t dump_opt[256];
104 102
105 103 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
106 104
107 105 uint64_t *zopt_object = NULL;
108 106 static unsigned zopt_objects = 0;
109 107 libzfs_handle_t *g_zfs;
110 108 uint64_t max_inflight = 1000;
111 109
112 110 static void snprintf_blkptr_compact(char *, size_t, const blkptr_t *);
113 111
114 112 /*
115 113 * These libumem hooks provide a reasonable set of defaults for the allocator's
116 114 * debugging facilities.
117 115 */
118 116 const char *
119 117 _umem_debug_init()
120 118 {
121 119 return ("default,verbose"); /* $UMEM_DEBUG setting */
122 120 }
123 121
124 122 const char *
125 123 _umem_logging_init(void)
126 124 {
127 125 return ("fail,contents"); /* $UMEM_LOGGING setting */
128 126 }
129 127
130 128 static void
131 129 usage(void)
132 130 {
133 131 (void) fprintf(stderr,
134 132 "Usage:\t%s [-AbcdDFGhiLMPsvX] [-e [-V] [-p <path> ...]] "
135 133 "[-I <inflight I/Os>]\n"
136 134 "\t\t[-o <var>=<value>]... [-t <txg>] [-U <cache>] [-x <dumpdir>]\n"
137 135 "\t\t[<poolname> [<object> ...]]\n"
138 136 "\t%s [-AdiPv] [-e [-V] [-p <path> ...]] [-U <cache>] <dataset> "
139 137 "[<object> ...]\n"
140 138 "\t%s -C [-A] [-U <cache>]\n"
141 139 "\t%s -l [-Aqu] <device>\n"
142 140 "\t%s -m [-AFLPX] [-e [-V] [-p <path> ...]] [-t <txg>] "
143 141 "[-U <cache>]\n\t\t<poolname> [<vdev> [<metaslab> ...]]\n"
144 142 "\t%s -O <dataset> <path>\n"
145 143 "\t%s -R [-A] [-e [-V] [-p <path> ...]] [-U <cache>]\n"
146 144 "\t\t<poolname> <vdev>:<offset>:<size>[:<flags>]\n"
147 145 "\t%s -E [-A] word0:word1:...:word15\n"
148 146 "\t%s -S [-AP] [-e [-V] [-p <path> ...]] [-U <cache>] "
149 147 "<poolname>\n\n",
150 148 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname,
151 149 cmdname, cmdname);
152 150
153 151 (void) fprintf(stderr, " Dataset name must include at least one "
154 152 "separator character '/' or '@'\n");
155 153 (void) fprintf(stderr, " If dataset name is specified, only that "
156 154 "dataset is dumped\n");
157 155 (void) fprintf(stderr, " If object numbers are specified, only "
158 156 "those objects are dumped\n\n");
159 157 (void) fprintf(stderr, " Options to control amount of output:\n");
160 158 (void) fprintf(stderr, " -b block statistics\n");
161 159 (void) fprintf(stderr, " -c checksum all metadata (twice for "
162 160 "all data) blocks\n");
163 161 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
164 162 (void) fprintf(stderr, " -d dataset(s)\n");
165 163 (void) fprintf(stderr, " -D dedup statistics\n");
166 164 (void) fprintf(stderr, " -E decode and display block from an "
167 165 "embedded block pointer\n");
168 166 (void) fprintf(stderr, " -h pool history\n");
169 167 (void) fprintf(stderr, " -i intent logs\n");
170 168 (void) fprintf(stderr, " -l read label contents\n");
171 169 (void) fprintf(stderr, " -L disable leak tracking (do not "
172 170 "load spacemaps)\n");
173 171 (void) fprintf(stderr, " -m metaslabs\n");
174 172 (void) fprintf(stderr, " -M metaslab groups\n");
175 173 (void) fprintf(stderr, " -O perform object lookups by path\n");
176 174 (void) fprintf(stderr, " -R read and display block from a "
177 175 "device\n");
178 176 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
179 177 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
180 178 (void) fprintf(stderr, " -v verbose (applies to all "
181 179 "others)\n\n");
182 180 (void) fprintf(stderr, " Below options are intended for use "
183 181 "with other options:\n");
184 182 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
185 183 "panic recovery (-AA) or both (-AAA)\n");
186 184 (void) fprintf(stderr, " -e pool is exported/destroyed/"
187 185 "has altroot/not in a cachefile\n");
188 186 (void) fprintf(stderr, " -F attempt automatic rewind within "
189 187 "safe range of transaction groups\n");
190 188 (void) fprintf(stderr, " -G dump zfs_dbgmsg buffer before "
191 189 "exiting\n");
192 190 (void) fprintf(stderr, " -I <number of inflight I/Os> -- "
193 191 "specify the maximum number of "
194 192 "checksumming I/Os [default is 200]\n");
195 193 (void) fprintf(stderr, " -o <variable>=<value> set global "
196 194 "variable to an unsigned 32-bit integer value\n");
197 195 (void) fprintf(stderr, " -p <path> -- use one or more with "
198 196 "-e to specify path to vdev dir\n");
199 197 (void) fprintf(stderr, " -P print numbers in parseable form\n");
200 198 (void) fprintf(stderr, " -q don't print label contents\n");
201 199 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
202 200 "searching for uberblocks\n");
203 201 (void) fprintf(stderr, " -u uberblock\n");
204 202 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
205 203 "cachefile\n");
206 204 (void) fprintf(stderr, " -V do verbatim import\n");
207 205 (void) fprintf(stderr, " -x <dumpdir> -- "
208 206 "dump all read blocks into specified directory\n");
209 207 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
210 208 "work with dataset)\n\n");
211 209 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
212 210 "to make only that option verbose\n");
213 211 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
214 212 exit(1);
215 213 }
216 214
217 215 static void
218 216 dump_debug_buffer()
219 217 {
220 218 if (dump_opt['G']) {
221 219 (void) printf("\n");
222 220 zfs_dbgmsg_print("zdb");
223 221 }
224 222 }
225 223
226 224 /*
227 225 * Called for usage errors that are discovered after a call to spa_open(),
228 226 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
229 227 */
230 228
231 229 static void
232 230 fatal(const char *fmt, ...)
233 231 {
234 232 va_list ap;
235 233
236 234 va_start(ap, fmt);
237 235 (void) fprintf(stderr, "%s: ", cmdname);
238 236 (void) vfprintf(stderr, fmt, ap);
239 237 va_end(ap);
240 238 (void) fprintf(stderr, "\n");
241 239
242 240 dump_debug_buffer();
243 241
244 242 exit(1);
245 243 }
246 244
247 245 /* ARGSUSED */
248 246 static void
249 247 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
250 248 {
251 249 nvlist_t *nv;
252 250 size_t nvsize = *(uint64_t *)data;
253 251 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
254 252
255 253 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
256 254
257 255 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
258 256
259 257 umem_free(packed, nvsize);
260 258
261 259 dump_nvlist(nv, 8);
262 260
263 261 nvlist_free(nv);
264 262 }
265 263
266 264 /* ARGSUSED */
267 265 static void
268 266 dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size)
269 267 {
270 268 spa_history_phys_t *shp = data;
271 269
272 270 if (shp == NULL)
273 271 return;
274 272
275 273 (void) printf("\t\tpool_create_len = %llu\n",
276 274 (u_longlong_t)shp->sh_pool_create_len);
277 275 (void) printf("\t\tphys_max_off = %llu\n",
278 276 (u_longlong_t)shp->sh_phys_max_off);
279 277 (void) printf("\t\tbof = %llu\n",
280 278 (u_longlong_t)shp->sh_bof);
281 279 (void) printf("\t\teof = %llu\n",
282 280 (u_longlong_t)shp->sh_eof);
283 281 (void) printf("\t\trecords_lost = %llu\n",
284 282 (u_longlong_t)shp->sh_records_lost);
285 283 }
286 284
287 285 static void
288 286 zdb_nicenum(uint64_t num, char *buf, size_t buflen)
289 287 {
290 288 if (dump_opt['P'])
291 289 (void) snprintf(buf, buflen, "%llu", (longlong_t)num);
292 290 else
293 291 nicenum(num, buf, sizeof (buf));
294 292 }
295 293
296 294 static const char histo_stars[] = "****************************************";
297 295 static const uint64_t histo_width = sizeof (histo_stars) - 1;
298 296
299 297 static void
300 298 dump_histogram(const uint64_t *histo, int size, int offset)
301 299 {
302 300 int i;
303 301 int minidx = size - 1;
304 302 int maxidx = 0;
305 303 uint64_t max = 0;
306 304
307 305 for (i = 0; i < size; i++) {
308 306 if (histo[i] > max)
309 307 max = histo[i];
310 308 if (histo[i] > 0 && i > maxidx)
311 309 maxidx = i;
312 310 if (histo[i] > 0 && i < minidx)
313 311 minidx = i;
314 312 }
315 313
316 314 if (max < histo_width)
317 315 max = histo_width;
318 316
319 317 for (i = minidx; i <= maxidx; i++) {
320 318 (void) printf("\t\t\t%3u: %6llu %s\n",
321 319 i + offset, (u_longlong_t)histo[i],
322 320 &histo_stars[(max - histo[i]) * histo_width / max]);
323 321 }
324 322 }
325 323
326 324 static void
327 325 dump_zap_stats(objset_t *os, uint64_t object)
328 326 {
329 327 int error;
330 328 zap_stats_t zs;
331 329
332 330 error = zap_get_stats(os, object, &zs);
333 331 if (error)
334 332 return;
335 333
336 334 if (zs.zs_ptrtbl_len == 0) {
337 335 ASSERT(zs.zs_num_blocks == 1);
338 336 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
339 337 (u_longlong_t)zs.zs_blocksize,
340 338 (u_longlong_t)zs.zs_num_entries);
341 339 return;
342 340 }
343 341
344 342 (void) printf("\tFat ZAP stats:\n");
345 343
346 344 (void) printf("\t\tPointer table:\n");
347 345 (void) printf("\t\t\t%llu elements\n",
348 346 (u_longlong_t)zs.zs_ptrtbl_len);
349 347 (void) printf("\t\t\tzt_blk: %llu\n",
350 348 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
351 349 (void) printf("\t\t\tzt_numblks: %llu\n",
352 350 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
353 351 (void) printf("\t\t\tzt_shift: %llu\n",
354 352 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
355 353 (void) printf("\t\t\tzt_blks_copied: %llu\n",
356 354 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
357 355 (void) printf("\t\t\tzt_nextblk: %llu\n",
358 356 (u_longlong_t)zs.zs_ptrtbl_nextblk);
359 357
360 358 (void) printf("\t\tZAP entries: %llu\n",
361 359 (u_longlong_t)zs.zs_num_entries);
362 360 (void) printf("\t\tLeaf blocks: %llu\n",
363 361 (u_longlong_t)zs.zs_num_leafs);
364 362 (void) printf("\t\tTotal blocks: %llu\n",
365 363 (u_longlong_t)zs.zs_num_blocks);
366 364 (void) printf("\t\tzap_block_type: 0x%llx\n",
367 365 (u_longlong_t)zs.zs_block_type);
368 366 (void) printf("\t\tzap_magic: 0x%llx\n",
369 367 (u_longlong_t)zs.zs_magic);
370 368 (void) printf("\t\tzap_salt: 0x%llx\n",
371 369 (u_longlong_t)zs.zs_salt);
372 370
373 371 (void) printf("\t\tLeafs with 2^n pointers:\n");
374 372 dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0);
375 373
376 374 (void) printf("\t\tBlocks with n*5 entries:\n");
377 375 dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0);
378 376
379 377 (void) printf("\t\tBlocks n/10 full:\n");
380 378 dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0);
381 379
382 380 (void) printf("\t\tEntries with n chunks:\n");
383 381 dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0);
384 382
385 383 (void) printf("\t\tBuckets with n entries:\n");
386 384 dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0);
387 385 }
388 386
389 387 /*ARGSUSED*/
390 388 static void
391 389 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
392 390 {
393 391 }
394 392
395 393 /*ARGSUSED*/
396 394 static void
397 395 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
398 396 {
399 397 (void) printf("\tUNKNOWN OBJECT TYPE\n");
400 398 }
401 399
402 400 /*ARGSUSED*/
403 401 static void
404 402 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
405 403 {
406 404 }
407 405
408 406 /*ARGSUSED*/
409 407 static void
410 408 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
411 409 {
412 410 }
413 411
414 412 /*ARGSUSED*/
415 413 static void
416 414 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
417 415 {
418 416 zap_cursor_t zc;
419 417 zap_attribute_t attr;
420 418 void *prop;
421 419 unsigned i;
422 420
423 421 dump_zap_stats(os, object);
424 422 (void) printf("\n");
425 423
426 424 for (zap_cursor_init(&zc, os, object);
427 425 zap_cursor_retrieve(&zc, &attr) == 0;
428 426 zap_cursor_advance(&zc)) {
429 427 (void) printf("\t\t%s = ", attr.za_name);
430 428 if (attr.za_num_integers == 0) {
431 429 (void) printf("\n");
432 430 continue;
433 431 }
434 432 prop = umem_zalloc(attr.za_num_integers *
435 433 attr.za_integer_length, UMEM_NOFAIL);
436 434 (void) zap_lookup(os, object, attr.za_name,
437 435 attr.za_integer_length, attr.za_num_integers, prop);
438 436 if (attr.za_integer_length == 1) {
439 437 (void) printf("%s", (char *)prop);
440 438 } else {
441 439 for (i = 0; i < attr.za_num_integers; i++) {
442 440 switch (attr.za_integer_length) {
443 441 case 2:
444 442 (void) printf("%u ",
445 443 ((uint16_t *)prop)[i]);
446 444 break;
447 445 case 4:
448 446 (void) printf("%u ",
449 447 ((uint32_t *)prop)[i]);
450 448 break;
451 449 case 8:
452 450 (void) printf("%lld ",
453 451 (u_longlong_t)((int64_t *)prop)[i]);
454 452 break;
455 453 }
456 454 }
457 455 }
458 456 (void) printf("\n");
459 457 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
460 458 }
461 459 zap_cursor_fini(&zc);
462 460 }
463 461
464 462 static void
465 463 dump_bpobj(objset_t *os, uint64_t object, void *data, size_t size)
466 464 {
467 465 bpobj_phys_t *bpop = data;
468 466 char bytes[32], comp[32], uncomp[32];
469 467
470 468 /* make sure the output won't get truncated */
471 469 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
472 470 CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
473 471 CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
474 472
475 473 if (bpop == NULL)
476 474 return;
477 475
478 476 zdb_nicenum(bpop->bpo_bytes, bytes, sizeof (bytes));
479 477 zdb_nicenum(bpop->bpo_comp, comp, sizeof (comp));
480 478 zdb_nicenum(bpop->bpo_uncomp, uncomp, sizeof (uncomp));
481 479
482 480 (void) printf("\t\tnum_blkptrs = %llu\n",
483 481 (u_longlong_t)bpop->bpo_num_blkptrs);
484 482 (void) printf("\t\tbytes = %s\n", bytes);
485 483 if (size >= BPOBJ_SIZE_V1) {
486 484 (void) printf("\t\tcomp = %s\n", comp);
487 485 (void) printf("\t\tuncomp = %s\n", uncomp);
488 486 }
489 487 if (size >= sizeof (*bpop)) {
490 488 (void) printf("\t\tsubobjs = %llu\n",
491 489 (u_longlong_t)bpop->bpo_subobjs);
492 490 (void) printf("\t\tnum_subobjs = %llu\n",
493 491 (u_longlong_t)bpop->bpo_num_subobjs);
494 492 }
495 493
496 494 if (dump_opt['d'] < 5)
497 495 return;
498 496
499 497 for (uint64_t i = 0; i < bpop->bpo_num_blkptrs; i++) {
500 498 char blkbuf[BP_SPRINTF_LEN];
501 499 blkptr_t bp;
502 500
503 501 int err = dmu_read(os, object,
504 502 i * sizeof (bp), sizeof (bp), &bp, 0);
505 503 if (err != 0) {
506 504 (void) printf("got error %u from dmu_read\n", err);
507 505 break;
508 506 }
509 507 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), &bp);
510 508 (void) printf("\t%s\n", blkbuf);
511 509 }
512 510 }
513 511
514 512 /* ARGSUSED */
515 513 static void
516 514 dump_bpobj_subobjs(objset_t *os, uint64_t object, void *data, size_t size)
517 515 {
518 516 dmu_object_info_t doi;
519 517
520 518 VERIFY0(dmu_object_info(os, object, &doi));
521 519 uint64_t *subobjs = kmem_alloc(doi.doi_max_offset, KM_SLEEP);
522 520
523 521 int err = dmu_read(os, object, 0, doi.doi_max_offset, subobjs, 0);
524 522 if (err != 0) {
525 523 (void) printf("got error %u from dmu_read\n", err);
526 524 kmem_free(subobjs, doi.doi_max_offset);
527 525 return;
528 526 }
529 527
530 528 int64_t last_nonzero = -1;
531 529 for (uint64_t i = 0; i < doi.doi_max_offset / 8; i++) {
532 530 if (subobjs[i] != 0)
533 531 last_nonzero = i;
534 532 }
535 533
536 534 for (int64_t i = 0; i <= last_nonzero; i++) {
537 535 (void) printf("\t%llu\n", (longlong_t)subobjs[i]);
538 536 }
539 537 kmem_free(subobjs, doi.doi_max_offset);
540 538 }
541 539
542 540 /*ARGSUSED*/
543 541 static void
544 542 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
545 543 {
546 544 dump_zap_stats(os, object);
547 545 /* contents are printed elsewhere, properly decoded */
548 546 }
549 547
550 548 /*ARGSUSED*/
551 549 static void
552 550 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
553 551 {
554 552 zap_cursor_t zc;
555 553 zap_attribute_t attr;
556 554
557 555 dump_zap_stats(os, object);
558 556 (void) printf("\n");
559 557
560 558 for (zap_cursor_init(&zc, os, object);
561 559 zap_cursor_retrieve(&zc, &attr) == 0;
562 560 zap_cursor_advance(&zc)) {
563 561 (void) printf("\t\t%s = ", attr.za_name);
564 562 if (attr.za_num_integers == 0) {
565 563 (void) printf("\n");
566 564 continue;
567 565 }
568 566 (void) printf(" %llx : [%d:%d:%d]\n",
569 567 (u_longlong_t)attr.za_first_integer,
570 568 (int)ATTR_LENGTH(attr.za_first_integer),
571 569 (int)ATTR_BSWAP(attr.za_first_integer),
572 570 (int)ATTR_NUM(attr.za_first_integer));
573 571 }
574 572 zap_cursor_fini(&zc);
575 573 }
576 574
577 575 /*ARGSUSED*/
578 576 static void
579 577 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
580 578 {
581 579 zap_cursor_t zc;
582 580 zap_attribute_t attr;
583 581 uint16_t *layout_attrs;
584 582 unsigned i;
585 583
586 584 dump_zap_stats(os, object);
587 585 (void) printf("\n");
588 586
589 587 for (zap_cursor_init(&zc, os, object);
590 588 zap_cursor_retrieve(&zc, &attr) == 0;
591 589 zap_cursor_advance(&zc)) {
592 590 (void) printf("\t\t%s = [", attr.za_name);
593 591 if (attr.za_num_integers == 0) {
594 592 (void) printf("\n");
595 593 continue;
596 594 }
597 595
598 596 VERIFY(attr.za_integer_length == 2);
599 597 layout_attrs = umem_zalloc(attr.za_num_integers *
600 598 attr.za_integer_length, UMEM_NOFAIL);
601 599
602 600 VERIFY(zap_lookup(os, object, attr.za_name,
603 601 attr.za_integer_length,
604 602 attr.za_num_integers, layout_attrs) == 0);
605 603
606 604 for (i = 0; i != attr.za_num_integers; i++)
607 605 (void) printf(" %d ", (int)layout_attrs[i]);
608 606 (void) printf("]\n");
609 607 umem_free(layout_attrs,
610 608 attr.za_num_integers * attr.za_integer_length);
611 609 }
612 610 zap_cursor_fini(&zc);
613 611 }
614 612
615 613 /*ARGSUSED*/
616 614 static void
617 615 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
618 616 {
619 617 zap_cursor_t zc;
620 618 zap_attribute_t attr;
621 619 const char *typenames[] = {
622 620 /* 0 */ "not specified",
623 621 /* 1 */ "FIFO",
624 622 /* 2 */ "Character Device",
625 623 /* 3 */ "3 (invalid)",
626 624 /* 4 */ "Directory",
627 625 /* 5 */ "5 (invalid)",
628 626 /* 6 */ "Block Device",
629 627 /* 7 */ "7 (invalid)",
630 628 /* 8 */ "Regular File",
631 629 /* 9 */ "9 (invalid)",
632 630 /* 10 */ "Symbolic Link",
633 631 /* 11 */ "11 (invalid)",
634 632 /* 12 */ "Socket",
635 633 /* 13 */ "Door",
636 634 /* 14 */ "Event Port",
637 635 /* 15 */ "15 (invalid)",
638 636 };
639 637
640 638 dump_zap_stats(os, object);
641 639 (void) printf("\n");
642 640
643 641 for (zap_cursor_init(&zc, os, object);
644 642 zap_cursor_retrieve(&zc, &attr) == 0;
645 643 zap_cursor_advance(&zc)) {
646 644 (void) printf("\t\t%s = %lld (type: %s)\n",
647 645 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
648 646 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
649 647 }
650 648 zap_cursor_fini(&zc);
651 649 }
652 650
653 651 static int
654 652 get_dtl_refcount(vdev_t *vd)
655 653 {
656 654 int refcount = 0;
657 655
658 656 if (vd->vdev_ops->vdev_op_leaf) {
659 657 space_map_t *sm = vd->vdev_dtl_sm;
660 658
661 659 if (sm != NULL &&
662 660 sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
663 661 return (1);
664 662 return (0);
665 663 }
666 664
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667 665 for (unsigned c = 0; c < vd->vdev_children; c++)
668 666 refcount += get_dtl_refcount(vd->vdev_child[c]);
669 667 return (refcount);
670 668 }
671 669
672 670 static int
673 671 get_metaslab_refcount(vdev_t *vd)
674 672 {
675 673 int refcount = 0;
676 674
677 - if (vd->vdev_top == vd) {
678 - for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
675 + if (vd->vdev_top == vd && !vd->vdev_removing) {
676 + for (unsigned m = 0; m < vd->vdev_ms_count; m++) {
679 677 space_map_t *sm = vd->vdev_ms[m]->ms_sm;
680 678
681 679 if (sm != NULL &&
682 680 sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
683 681 refcount++;
684 682 }
685 683 }
686 684 for (unsigned c = 0; c < vd->vdev_children; c++)
687 685 refcount += get_metaslab_refcount(vd->vdev_child[c]);
688 686
689 687 return (refcount);
690 688 }
691 689
692 690 static int
693 -get_obsolete_refcount(vdev_t *vd)
694 -{
695 - int refcount = 0;
696 -
697 - uint64_t obsolete_sm_obj = vdev_obsolete_sm_object(vd);
698 - if (vd->vdev_top == vd && obsolete_sm_obj != 0) {
699 - dmu_object_info_t doi;
700 - VERIFY0(dmu_object_info(vd->vdev_spa->spa_meta_objset,
701 - obsolete_sm_obj, &doi));
702 - if (doi.doi_bonus_size == sizeof (space_map_phys_t)) {
703 - refcount++;
704 - }
705 - } else {
706 - ASSERT3P(vd->vdev_obsolete_sm, ==, NULL);
707 - ASSERT3U(obsolete_sm_obj, ==, 0);
708 - }
709 - for (unsigned c = 0; c < vd->vdev_children; c++) {
710 - refcount += get_obsolete_refcount(vd->vdev_child[c]);
711 - }
712 -
713 - return (refcount);
714 -}
715 -
716 -static int
717 -get_prev_obsolete_spacemap_refcount(spa_t *spa)
718 -{
719 - uint64_t prev_obj =
720 - spa->spa_condensing_indirect_phys.scip_prev_obsolete_sm_object;
721 - if (prev_obj != 0) {
722 - dmu_object_info_t doi;
723 - VERIFY0(dmu_object_info(spa->spa_meta_objset, prev_obj, &doi));
724 - if (doi.doi_bonus_size == sizeof (space_map_phys_t)) {
725 - return (1);
726 - }
727 - }
728 - return (0);
729 -}
730 -
731 -static int
732 691 verify_spacemap_refcounts(spa_t *spa)
733 692 {
734 693 uint64_t expected_refcount = 0;
735 694 uint64_t actual_refcount;
736 695
737 696 (void) feature_get_refcount(spa,
738 697 &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM],
739 698 &expected_refcount);
740 699 actual_refcount = get_dtl_refcount(spa->spa_root_vdev);
741 700 actual_refcount += get_metaslab_refcount(spa->spa_root_vdev);
742 - actual_refcount += get_obsolete_refcount(spa->spa_root_vdev);
743 - actual_refcount += get_prev_obsolete_spacemap_refcount(spa);
744 701
745 702 if (expected_refcount != actual_refcount) {
746 703 (void) printf("space map refcount mismatch: expected %lld != "
747 704 "actual %lld\n",
748 705 (longlong_t)expected_refcount,
749 706 (longlong_t)actual_refcount);
750 707 return (2);
751 708 }
752 709 return (0);
753 710 }
754 711
755 712 static void
756 713 dump_spacemap(objset_t *os, space_map_t *sm)
757 714 {
758 715 uint64_t alloc, offset, entry;
759 - char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
760 - "INVALID", "INVALID", "INVALID", "INVALID" };
716 + const char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
717 + "INVALID", "INVALID", "INVALID", "INVALID" };
761 718
762 719 if (sm == NULL)
763 720 return;
764 721
765 - (void) printf("space map object %llu:\n",
766 - (longlong_t)sm->sm_phys->smp_object);
767 - (void) printf(" smp_objsize = 0x%llx\n",
768 - (longlong_t)sm->sm_phys->smp_objsize);
769 - (void) printf(" smp_alloc = 0x%llx\n",
770 - (longlong_t)sm->sm_phys->smp_alloc);
771 -
772 722 /*
773 723 * Print out the freelist entries in both encoded and decoded form.
774 724 */
775 725 alloc = 0;
776 726 for (offset = 0; offset < space_map_length(sm);
777 727 offset += sizeof (entry)) {
778 728 uint8_t mapshift = sm->sm_shift;
779 729
780 730 VERIFY0(dmu_read(os, space_map_object(sm), offset,
781 731 sizeof (entry), &entry, DMU_READ_PREFETCH));
782 732 if (SM_DEBUG_DECODE(entry)) {
783 733
784 734 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
785 735 (u_longlong_t)(offset / sizeof (entry)),
786 736 ddata[SM_DEBUG_ACTION_DECODE(entry)],
787 737 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
788 738 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
789 739 } else {
790 740 (void) printf("\t [%6llu] %c range:"
791 741 " %010llx-%010llx size: %06llx\n",
792 742 (u_longlong_t)(offset / sizeof (entry)),
793 743 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
794 744 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
795 745 mapshift) + sm->sm_start),
796 746 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
797 747 mapshift) + sm->sm_start +
798 748 (SM_RUN_DECODE(entry) << mapshift)),
799 749 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
800 750 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
801 751 alloc += SM_RUN_DECODE(entry) << mapshift;
802 752 else
803 753 alloc -= SM_RUN_DECODE(entry) << mapshift;
804 754 }
805 755 }
806 756 if (alloc != space_map_allocated(sm)) {
807 757 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
808 758 "with space map summary (%llu)\n",
809 759 (u_longlong_t)space_map_allocated(sm), (u_longlong_t)alloc);
810 760 }
811 761 }
812 762
813 763 static void
814 764 dump_metaslab_stats(metaslab_t *msp)
815 765 {
816 766 char maxbuf[32];
817 767 range_tree_t *rt = msp->ms_tree;
818 768 avl_tree_t *t = &msp->ms_size_tree;
819 769 int free_pct = range_tree_space(rt) * 100 / msp->ms_size;
820 770
821 771 /* max sure nicenum has enough space */
822 772 CTASSERT(sizeof (maxbuf) >= NN_NUMBUF_SZ);
823 773
824 774 zdb_nicenum(metaslab_block_maxsize(msp), maxbuf, sizeof (maxbuf));
825 775
826 776 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
827 777 "segments", avl_numnodes(t), "maxsize", maxbuf,
828 778 "freepct", free_pct);
829 779 (void) printf("\tIn-memory histogram:\n");
830 780 dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
831 781 }
832 782
833 783 static void
834 784 dump_metaslab(metaslab_t *msp)
835 785 {
836 786 vdev_t *vd = msp->ms_group->mg_vd;
837 787 spa_t *spa = vd->vdev_spa;
838 788 space_map_t *sm = msp->ms_sm;
839 789 char freebuf[32];
840 790
841 791 zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf,
842 792 sizeof (freebuf));
843 793
844 794 (void) printf(
845 795 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
846 796 (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start,
847 797 (u_longlong_t)space_map_object(sm), freebuf);
848 798
849 799 if (dump_opt['m'] > 2 && !dump_opt['L']) {
850 800 mutex_enter(&msp->ms_lock);
851 801 metaslab_load_wait(msp);
852 802 if (!msp->ms_loaded) {
853 803 VERIFY0(metaslab_load(msp));
854 804 range_tree_stat_verify(msp->ms_tree);
855 805 }
856 806 dump_metaslab_stats(msp);
857 807 metaslab_unload(msp);
858 808 mutex_exit(&msp->ms_lock);
859 809 }
860 810
861 811 if (dump_opt['m'] > 1 && sm != NULL &&
862 812 spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) {
863 813 /*
864 814 * The space map histogram represents free space in chunks
865 815 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
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866 816 */
867 817 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n",
868 818 (u_longlong_t)msp->ms_fragmentation);
869 819 dump_histogram(sm->sm_phys->smp_histogram,
870 820 SPACE_MAP_HISTOGRAM_SIZE, sm->sm_shift);
871 821 }
872 822
873 823 if (dump_opt['d'] > 5 || dump_opt['m'] > 3) {
874 824 ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift));
875 825
826 + mutex_enter(&msp->ms_lock);
876 827 dump_spacemap(spa->spa_meta_objset, msp->ms_sm);
828 + mutex_exit(&msp->ms_lock);
877 829 }
878 830 }
879 831
880 832 static void
881 833 print_vdev_metaslab_header(vdev_t *vd)
882 834 {
883 835 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
884 836 (u_longlong_t)vd->vdev_id,
885 837 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
886 838 "offset", "spacemap", "free");
887 839 (void) printf("\t%15s %19s %15s %10s\n",
888 840 "---------------", "-------------------",
889 841 "---------------", "-------------");
890 842 }
891 843
892 844 static void
893 845 dump_metaslab_groups(spa_t *spa)
894 846 {
895 847 vdev_t *rvd = spa->spa_root_vdev;
896 848 metaslab_class_t *mc = spa_normal_class(spa);
897 849 uint64_t fragmentation;
898 850
899 851 metaslab_class_histogram_verify(mc);
900 852
901 853 for (unsigned c = 0; c < rvd->vdev_children; c++) {
902 854 vdev_t *tvd = rvd->vdev_child[c];
903 855 metaslab_group_t *mg = tvd->vdev_mg;
904 856
905 857 if (mg->mg_class != mc)
906 858 continue;
907 859
908 860 metaslab_group_histogram_verify(mg);
909 861 mg->mg_fragmentation = metaslab_group_fragmentation(mg);
910 862
911 863 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t"
912 864 "fragmentation",
913 865 (u_longlong_t)tvd->vdev_id,
914 866 (u_longlong_t)tvd->vdev_ms_count);
915 867 if (mg->mg_fragmentation == ZFS_FRAG_INVALID) {
916 868 (void) printf("%3s\n", "-");
917 869 } else {
918 870 (void) printf("%3llu%%\n",
919 871 (u_longlong_t)mg->mg_fragmentation);
920 872 }
921 873 dump_histogram(mg->mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
922 874 }
923 875
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924 876 (void) printf("\tpool %s\tfragmentation", spa_name(spa));
925 877 fragmentation = metaslab_class_fragmentation(mc);
926 878 if (fragmentation == ZFS_FRAG_INVALID)
927 879 (void) printf("\t%3s\n", "-");
928 880 else
929 881 (void) printf("\t%3llu%%\n", (u_longlong_t)fragmentation);
930 882 dump_histogram(mc->mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
931 883 }
932 884
933 885 static void
934 -print_vdev_indirect(vdev_t *vd)
935 -{
936 - vdev_indirect_config_t *vic = &vd->vdev_indirect_config;
937 - vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
938 - vdev_indirect_births_t *vib = vd->vdev_indirect_births;
939 -
940 - if (vim == NULL) {
941 - ASSERT3P(vib, ==, NULL);
942 - return;
943 - }
944 -
945 - ASSERT3U(vdev_indirect_mapping_object(vim), ==,
946 - vic->vic_mapping_object);
947 - ASSERT3U(vdev_indirect_births_object(vib), ==,
948 - vic->vic_births_object);
949 -
950 - (void) printf("indirect births obj %llu:\n",
951 - (longlong_t)vic->vic_births_object);
952 - (void) printf(" vib_count = %llu\n",
953 - (longlong_t)vdev_indirect_births_count(vib));
954 - for (uint64_t i = 0; i < vdev_indirect_births_count(vib); i++) {
955 - vdev_indirect_birth_entry_phys_t *cur_vibe =
956 - &vib->vib_entries[i];
957 - (void) printf("\toffset %llx -> txg %llu\n",
958 - (longlong_t)cur_vibe->vibe_offset,
959 - (longlong_t)cur_vibe->vibe_phys_birth_txg);
960 - }
961 - (void) printf("\n");
962 -
963 - (void) printf("indirect mapping obj %llu:\n",
964 - (longlong_t)vic->vic_mapping_object);
965 - (void) printf(" vim_max_offset = 0x%llx\n",
966 - (longlong_t)vdev_indirect_mapping_max_offset(vim));
967 - (void) printf(" vim_bytes_mapped = 0x%llx\n",
968 - (longlong_t)vdev_indirect_mapping_bytes_mapped(vim));
969 - (void) printf(" vim_count = %llu\n",
970 - (longlong_t)vdev_indirect_mapping_num_entries(vim));
971 -
972 - if (dump_opt['d'] <= 5 && dump_opt['m'] <= 3)
973 - return;
974 -
975 - uint32_t *counts = vdev_indirect_mapping_load_obsolete_counts(vim);
976 -
977 - for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) {
978 - vdev_indirect_mapping_entry_phys_t *vimep =
979 - &vim->vim_entries[i];
980 - (void) printf("\t<%llx:%llx:%llx> -> "
981 - "<%llx:%llx:%llx> (%x obsolete)\n",
982 - (longlong_t)vd->vdev_id,
983 - (longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep),
984 - (longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
985 - (longlong_t)DVA_GET_VDEV(&vimep->vimep_dst),
986 - (longlong_t)DVA_GET_OFFSET(&vimep->vimep_dst),
987 - (longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
988 - counts[i]);
989 - }
990 - (void) printf("\n");
991 -
992 - uint64_t obsolete_sm_object = vdev_obsolete_sm_object(vd);
993 - if (obsolete_sm_object != 0) {
994 - objset_t *mos = vd->vdev_spa->spa_meta_objset;
995 - (void) printf("obsolete space map object %llu:\n",
996 - (u_longlong_t)obsolete_sm_object);
997 - ASSERT(vd->vdev_obsolete_sm != NULL);
998 - ASSERT3U(space_map_object(vd->vdev_obsolete_sm), ==,
999 - obsolete_sm_object);
1000 - dump_spacemap(mos, vd->vdev_obsolete_sm);
1001 - (void) printf("\n");
1002 - }
1003 -}
1004 -
1005 -static void
1006 886 dump_metaslabs(spa_t *spa)
1007 887 {
1008 888 vdev_t *vd, *rvd = spa->spa_root_vdev;
1009 889 uint64_t m, c = 0, children = rvd->vdev_children;
1010 890
1011 891 (void) printf("\nMetaslabs:\n");
1012 892
1013 893 if (!dump_opt['d'] && zopt_objects > 0) {
1014 894 c = zopt_object[0];
1015 895
1016 896 if (c >= children)
1017 897 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
1018 898
1019 899 if (zopt_objects > 1) {
1020 900 vd = rvd->vdev_child[c];
1021 901 print_vdev_metaslab_header(vd);
1022 902
1023 903 for (m = 1; m < zopt_objects; m++) {
1024 904 if (zopt_object[m] < vd->vdev_ms_count)
1025 905 dump_metaslab(
1026 906 vd->vdev_ms[zopt_object[m]]);
1027 907 else
1028 908 (void) fprintf(stderr, "bad metaslab "
1029 909 "number %llu\n",
1030 910 (u_longlong_t)zopt_object[m]);
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1031 911 }
1032 912 (void) printf("\n");
1033 913 return;
1034 914 }
1035 915 children = c + 1;
1036 916 }
1037 917 for (; c < children; c++) {
1038 918 vd = rvd->vdev_child[c];
1039 919 print_vdev_metaslab_header(vd);
1040 920
1041 - print_vdev_indirect(vd);
1042 -
1043 921 for (m = 0; m < vd->vdev_ms_count; m++)
1044 922 dump_metaslab(vd->vdev_ms[m]);
1045 923 (void) printf("\n");
1046 924 }
1047 925 }
1048 926
1049 927 static void
1050 928 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
1051 929 {
1052 930 const ddt_phys_t *ddp = dde->dde_phys;
1053 931 const ddt_key_t *ddk = &dde->dde_key;
1054 932 const char *types[4] = { "ditto", "single", "double", "triple" };
1055 933 char blkbuf[BP_SPRINTF_LEN];
1056 934 blkptr_t blk;
1057 935
1058 936 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
1059 937 if (ddp->ddp_phys_birth == 0)
1060 938 continue;
1061 939 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
1062 940 snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk);
1063 941 (void) printf("index %llx refcnt %llu %s %s\n",
1064 942 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
1065 943 types[p], blkbuf);
1066 944 }
1067 945 }
1068 946
1069 947 static void
1070 948 dump_dedup_ratio(const ddt_stat_t *dds)
1071 949 {
1072 950 double rL, rP, rD, D, dedup, compress, copies;
1073 951
1074 952 if (dds->dds_blocks == 0)
1075 953 return;
1076 954
1077 955 rL = (double)dds->dds_ref_lsize;
1078 956 rP = (double)dds->dds_ref_psize;
1079 957 rD = (double)dds->dds_ref_dsize;
1080 958 D = (double)dds->dds_dsize;
1081 959
1082 960 dedup = rD / D;
1083 961 compress = rL / rP;
1084 962 copies = rD / rP;
1085 963
1086 964 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
1087 965 "dedup * compress / copies = %.2f\n\n",
1088 966 dedup, compress, copies, dedup * compress / copies);
1089 967 }
1090 968
1091 969 static void
1092 970 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
1093 971 {
1094 972 char name[DDT_NAMELEN];
1095 973 ddt_entry_t dde;
1096 974 uint64_t walk = 0;
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1097 975 dmu_object_info_t doi;
1098 976 uint64_t count, dspace, mspace;
1099 977 int error;
1100 978
1101 979 error = ddt_object_info(ddt, type, class, &doi);
1102 980
1103 981 if (error == ENOENT)
1104 982 return;
1105 983 ASSERT(error == 0);
1106 984
1107 - if ((count = ddt_object_count(ddt, type, class)) == 0)
985 + (void) ddt_object_count(ddt, type, class, &count);
986 + if (count == 0)
1108 987 return;
1109 988
1110 989 dspace = doi.doi_physical_blocks_512 << 9;
1111 990 mspace = doi.doi_fill_count * doi.doi_data_block_size;
1112 991
1113 992 ddt_object_name(ddt, type, class, name);
1114 993
1115 994 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
1116 995 name,
1117 996 (u_longlong_t)count,
1118 997 (u_longlong_t)(dspace / count),
1119 998 (u_longlong_t)(mspace / count));
1120 999
1121 1000 if (dump_opt['D'] < 3)
1122 1001 return;
1123 1002
1124 1003 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
1125 1004
1126 1005 if (dump_opt['D'] < 4)
1127 1006 return;
1128 1007
1129 1008 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
1130 1009 return;
1131 1010
1132 1011 (void) printf("%s contents:\n\n", name);
1133 1012
1134 1013 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
1135 1014 dump_dde(ddt, &dde, walk);
1136 1015
1137 1016 ASSERT(error == ENOENT);
1138 1017
1139 1018 (void) printf("\n");
1140 1019 }
1141 1020
1142 1021 static void
1143 1022 dump_all_ddts(spa_t *spa)
1144 1023 {
1145 1024 ddt_histogram_t ddh_total;
1146 1025 ddt_stat_t dds_total;
1147 1026
1148 1027 bzero(&ddh_total, sizeof (ddh_total));
1149 1028 bzero(&dds_total, sizeof (dds_total));
1150 1029
1151 1030 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
1152 1031 ddt_t *ddt = spa->spa_ddt[c];
1153 1032 for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
1154 1033 for (enum ddt_class class = 0; class < DDT_CLASSES;
1155 1034 class++) {
1156 1035 dump_ddt(ddt, type, class);
1157 1036 }
1158 1037 }
1159 1038 }
1160 1039
1161 1040 ddt_get_dedup_stats(spa, &dds_total);
1162 1041
1163 1042 if (dds_total.dds_blocks == 0) {
1164 1043 (void) printf("All DDTs are empty\n");
1165 1044 return;
1166 1045 }
1167 1046
1168 1047 (void) printf("\n");
1169 1048
1170 1049 if (dump_opt['D'] > 1) {
1171 1050 (void) printf("DDT histogram (aggregated over all DDTs):\n");
1172 1051 ddt_get_dedup_histogram(spa, &ddh_total);
1173 1052 zpool_dump_ddt(&dds_total, &ddh_total);
1174 1053 }
1175 1054
1176 1055 dump_dedup_ratio(&dds_total);
1177 1056 }
1178 1057
1179 1058 static void
1180 1059 dump_dtl_seg(void *arg, uint64_t start, uint64_t size)
1181 1060 {
1182 1061 char *prefix = arg;
1183 1062
1184 1063 (void) printf("%s [%llu,%llu) length %llu\n",
1185 1064 prefix,
1186 1065 (u_longlong_t)start,
1187 1066 (u_longlong_t)(start + size),
1188 1067 (u_longlong_t)(size));
1189 1068 }
1190 1069
1191 1070 static void
1192 1071 dump_dtl(vdev_t *vd, int indent)
1193 1072 {
1194 1073 spa_t *spa = vd->vdev_spa;
1195 1074 boolean_t required;
1196 1075 const char *name[DTL_TYPES] = { "missing", "partial", "scrub",
1197 1076 "outage" };
1198 1077 char prefix[256];
1199 1078
1200 1079 spa_vdev_state_enter(spa, SCL_NONE);
1201 1080 required = vdev_dtl_required(vd);
1202 1081 (void) spa_vdev_state_exit(spa, NULL, 0);
1203 1082
1204 1083 if (indent == 0)
1205 1084 (void) printf("\nDirty time logs:\n\n");
1206 1085
1207 1086 (void) printf("\t%*s%s [%s]\n", indent, "",
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1208 1087 vd->vdev_path ? vd->vdev_path :
1209 1088 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
1210 1089 required ? "DTL-required" : "DTL-expendable");
1211 1090
1212 1091 for (int t = 0; t < DTL_TYPES; t++) {
1213 1092 range_tree_t *rt = vd->vdev_dtl[t];
1214 1093 if (range_tree_space(rt) == 0)
1215 1094 continue;
1216 1095 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
1217 1096 indent + 2, "", name[t]);
1097 + mutex_enter(rt->rt_lock);
1218 1098 range_tree_walk(rt, dump_dtl_seg, prefix);
1099 + mutex_exit(rt->rt_lock);
1219 1100 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
1220 1101 dump_spacemap(spa->spa_meta_objset, vd->vdev_dtl_sm);
1221 1102 }
1222 1103
1223 1104 for (unsigned c = 0; c < vd->vdev_children; c++)
1224 1105 dump_dtl(vd->vdev_child[c], indent + 4);
1225 1106 }
1226 1107
1227 1108 static void
1228 1109 dump_history(spa_t *spa)
1229 1110 {
1230 1111 nvlist_t **events = NULL;
1231 1112 uint64_t resid, len, off = 0;
1113 + uint64_t buflen;
1232 1114 uint_t num = 0;
1233 1115 int error;
1234 1116 time_t tsec;
1235 1117 struct tm t;
1236 1118 char tbuf[30];
1237 1119 char internalstr[MAXPATHLEN];
1238 1120
1239 - char *buf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
1121 + buflen = SPA_MAXBLOCKSIZE;
1122 + char *buf = umem_alloc(buflen, UMEM_NOFAIL);
1240 1123 do {
1241 - len = SPA_MAXBLOCKSIZE;
1124 + len = buflen;
1242 1125
1243 1126 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
1244 - (void) fprintf(stderr, "Unable to read history: "
1245 - "error %d\n", error);
1246 - umem_free(buf, SPA_MAXBLOCKSIZE);
1247 - return;
1127 + break;
1248 1128 }
1249 1129
1250 - if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
1130 + error = zpool_history_unpack(buf, len, &resid, &events, &num);
1131 + if (error != 0) {
1251 1132 break;
1133 + }
1252 1134
1253 1135 off -= resid;
1136 + if (resid == len) {
1137 + umem_free(buf, buflen);
1138 + buflen *= 2;
1139 + buf = umem_alloc(buflen, UMEM_NOFAIL);
1140 + if (buf == NULL) {
1141 + (void) fprintf(stderr, "Unable to read history: %s\n",
1142 + strerror(error));
1143 + goto err;
1144 + }
1145 + }
1254 1146 } while (len != 0);
1255 - umem_free(buf, SPA_MAXBLOCKSIZE);
1147 + umem_free(buf, buflen);
1256 1148
1149 + if (error != 0) {
1150 + (void) fprintf(stderr, "Unable to read history: %s\n",
1151 + strerror(error));
1152 + goto err;
1153 + }
1154 +
1257 1155 (void) printf("\nHistory:\n");
1258 1156 for (unsigned i = 0; i < num; i++) {
1259 1157 uint64_t time, txg, ievent;
1260 1158 char *cmd, *intstr;
1261 1159 boolean_t printed = B_FALSE;
1262 1160
1263 1161 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
1264 1162 &time) != 0)
1265 1163 goto next;
1266 1164 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
1267 1165 &cmd) != 0) {
1268 1166 if (nvlist_lookup_uint64(events[i],
1269 1167 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
1270 1168 goto next;
1271 1169 verify(nvlist_lookup_uint64(events[i],
1272 1170 ZPOOL_HIST_TXG, &txg) == 0);
1273 1171 verify(nvlist_lookup_string(events[i],
1274 1172 ZPOOL_HIST_INT_STR, &intstr) == 0);
1275 1173 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS)
1276 1174 goto next;
1277 1175
1278 1176 (void) snprintf(internalstr,
1279 1177 sizeof (internalstr),
1280 1178 "[internal %s txg:%ju] %s",
1281 1179 zfs_history_event_names[ievent], (uintmax_t)txg,
1282 1180 intstr);
1283 1181 cmd = internalstr;
1284 1182 }
1285 1183 tsec = time;
1286 1184 (void) localtime_r(&tsec, &t);
1287 1185 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
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1288 1186 (void) printf("%s %s\n", tbuf, cmd);
1289 1187 printed = B_TRUE;
1290 1188
1291 1189 next:
1292 1190 if (dump_opt['h'] > 1) {
1293 1191 if (!printed)
1294 1192 (void) printf("unrecognized record:\n");
1295 1193 dump_nvlist(events[i], 2);
1296 1194 }
1297 1195 }
1196 +err:
1197 + for (unsigned i = 0; i < num; i++) {
1198 + nvlist_free(events[i]);
1199 + }
1200 + free(events);
1298 1201 }
1299 1202
1300 1203 /*ARGSUSED*/
1301 1204 static void
1302 1205 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
1303 1206 {
1304 1207 }
1305 1208
1306 1209 static uint64_t
1307 1210 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp,
1308 1211 const zbookmark_phys_t *zb)
1309 1212 {
1310 1213 if (dnp == NULL) {
1311 1214 ASSERT(zb->zb_level < 0);
1312 1215 if (zb->zb_object == 0)
1313 1216 return (zb->zb_blkid);
1314 1217 return (zb->zb_blkid * BP_GET_LSIZE(bp));
1315 1218 }
1316 1219
1317 1220 ASSERT(zb->zb_level >= 0);
1318 1221
1319 1222 return ((zb->zb_blkid <<
1320 1223 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
1321 1224 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
1322 1225 }
1323 1226
1324 1227 static void
1325 1228 snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp)
1326 1229 {
1327 1230 const dva_t *dva = bp->blk_dva;
1328 1231 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
1329 1232
1330 1233 if (dump_opt['b'] >= 6) {
1331 1234 snprintf_blkptr(blkbuf, buflen, bp);
1332 1235 return;
1333 1236 }
1334 1237
1335 1238 if (BP_IS_EMBEDDED(bp)) {
1336 1239 (void) sprintf(blkbuf,
1337 1240 "EMBEDDED et=%u %llxL/%llxP B=%llu",
1338 1241 (int)BPE_GET_ETYPE(bp),
1339 1242 (u_longlong_t)BPE_GET_LSIZE(bp),
1340 1243 (u_longlong_t)BPE_GET_PSIZE(bp),
1341 1244 (u_longlong_t)bp->blk_birth);
1342 1245 return;
1343 1246 }
1344 1247
1345 1248 blkbuf[0] = '\0';
1346 1249 for (int i = 0; i < ndvas; i++)
1347 1250 (void) snprintf(blkbuf + strlen(blkbuf),
1348 1251 buflen - strlen(blkbuf), "%llu:%llx:%llx ",
1349 1252 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
1350 1253 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
1351 1254 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
1352 1255
1353 1256 if (BP_IS_HOLE(bp)) {
1354 1257 (void) snprintf(blkbuf + strlen(blkbuf),
1355 1258 buflen - strlen(blkbuf),
1356 1259 "%llxL B=%llu",
1357 1260 (u_longlong_t)BP_GET_LSIZE(bp),
1358 1261 (u_longlong_t)bp->blk_birth);
1359 1262 } else {
1360 1263 (void) snprintf(blkbuf + strlen(blkbuf),
1361 1264 buflen - strlen(blkbuf),
1362 1265 "%llxL/%llxP F=%llu B=%llu/%llu",
1363 1266 (u_longlong_t)BP_GET_LSIZE(bp),
1364 1267 (u_longlong_t)BP_GET_PSIZE(bp),
1365 1268 (u_longlong_t)BP_GET_FILL(bp),
1366 1269 (u_longlong_t)bp->blk_birth,
1367 1270 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
1368 1271 }
1369 1272 }
1370 1273
1371 1274 static void
1372 1275 print_indirect(blkptr_t *bp, const zbookmark_phys_t *zb,
1373 1276 const dnode_phys_t *dnp)
1374 1277 {
1375 1278 char blkbuf[BP_SPRINTF_LEN];
1376 1279 int l;
1377 1280
1378 1281 if (!BP_IS_EMBEDDED(bp)) {
1379 1282 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
1380 1283 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
1381 1284 }
1382 1285
1383 1286 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
1384 1287
1385 1288 ASSERT(zb->zb_level >= 0);
1386 1289
1387 1290 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
1388 1291 if (l == zb->zb_level) {
1389 1292 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
1390 1293 } else {
1391 1294 (void) printf(" ");
1392 1295 }
1393 1296 }
1394 1297
1395 1298 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp);
1396 1299 (void) printf("%s\n", blkbuf);
1397 1300 }
1398 1301
1399 1302 static int
1400 1303 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
1401 1304 blkptr_t *bp, const zbookmark_phys_t *zb)
1402 1305 {
1403 1306 int err = 0;
1404 1307
1405 1308 if (bp->blk_birth == 0)
1406 1309 return (0);
1407 1310
1408 1311 print_indirect(bp, zb, dnp);
1409 1312
1410 1313 if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) {
1411 1314 arc_flags_t flags = ARC_FLAG_WAIT;
1412 1315 int i;
1413 1316 blkptr_t *cbp;
1414 1317 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
1415 1318 arc_buf_t *buf;
1416 1319 uint64_t fill = 0;
1417 1320
1418 1321 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
1419 1322 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
1420 1323 if (err)
1421 1324 return (err);
1422 1325 ASSERT(buf->b_data);
1423 1326
1424 1327 /* recursively visit blocks below this */
1425 1328 cbp = buf->b_data;
1426 1329 for (i = 0; i < epb; i++, cbp++) {
1427 1330 zbookmark_phys_t czb;
1428 1331
1429 1332 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1430 1333 zb->zb_level - 1,
1431 1334 zb->zb_blkid * epb + i);
1432 1335 err = visit_indirect(spa, dnp, cbp, &czb);
1433 1336 if (err)
1434 1337 break;
1435 1338 fill += BP_GET_FILL(cbp);
1436 1339 }
1437 1340 if (!err)
1438 1341 ASSERT3U(fill, ==, BP_GET_FILL(bp));
1439 1342 arc_buf_destroy(buf, &buf);
1440 1343 }
1441 1344
1442 1345 return (err);
1443 1346 }
1444 1347
1445 1348 /*ARGSUSED*/
1446 1349 static void
1447 1350 dump_indirect(dnode_t *dn)
1448 1351 {
1449 1352 dnode_phys_t *dnp = dn->dn_phys;
1450 1353 int j;
1451 1354 zbookmark_phys_t czb;
1452 1355
1453 1356 (void) printf("Indirect blocks:\n");
1454 1357
1455 1358 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1456 1359 dn->dn_object, dnp->dn_nlevels - 1, 0);
1457 1360 for (j = 0; j < dnp->dn_nblkptr; j++) {
1458 1361 czb.zb_blkid = j;
1459 1362 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1460 1363 &dnp->dn_blkptr[j], &czb);
1461 1364 }
1462 1365
1463 1366 (void) printf("\n");
1464 1367 }
1465 1368
1466 1369 /*ARGSUSED*/
1467 1370 static void
1468 1371 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1469 1372 {
1470 1373 dsl_dir_phys_t *dd = data;
1471 1374 time_t crtime;
1472 1375 char nice[32];
1473 1376
1474 1377 /* make sure nicenum has enough space */
1475 1378 CTASSERT(sizeof (nice) >= NN_NUMBUF_SZ);
1476 1379
1477 1380 if (dd == NULL)
1478 1381 return;
1479 1382
1480 1383 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1481 1384
1482 1385 crtime = dd->dd_creation_time;
1483 1386 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1484 1387 (void) printf("\t\thead_dataset_obj = %llu\n",
1485 1388 (u_longlong_t)dd->dd_head_dataset_obj);
1486 1389 (void) printf("\t\tparent_dir_obj = %llu\n",
1487 1390 (u_longlong_t)dd->dd_parent_obj);
1488 1391 (void) printf("\t\torigin_obj = %llu\n",
1489 1392 (u_longlong_t)dd->dd_origin_obj);
1490 1393 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1491 1394 (u_longlong_t)dd->dd_child_dir_zapobj);
1492 1395 zdb_nicenum(dd->dd_used_bytes, nice, sizeof (nice));
1493 1396 (void) printf("\t\tused_bytes = %s\n", nice);
1494 1397 zdb_nicenum(dd->dd_compressed_bytes, nice, sizeof (nice));
1495 1398 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1496 1399 zdb_nicenum(dd->dd_uncompressed_bytes, nice, sizeof (nice));
1497 1400 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1498 1401 zdb_nicenum(dd->dd_quota, nice, sizeof (nice));
1499 1402 (void) printf("\t\tquota = %s\n", nice);
1500 1403 zdb_nicenum(dd->dd_reserved, nice, sizeof (nice));
1501 1404 (void) printf("\t\treserved = %s\n", nice);
1502 1405 (void) printf("\t\tprops_zapobj = %llu\n",
1503 1406 (u_longlong_t)dd->dd_props_zapobj);
1504 1407 (void) printf("\t\tdeleg_zapobj = %llu\n",
1505 1408 (u_longlong_t)dd->dd_deleg_zapobj);
1506 1409 (void) printf("\t\tflags = %llx\n",
1507 1410 (u_longlong_t)dd->dd_flags);
1508 1411
1509 1412 #define DO(which) \
1510 1413 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \
1511 1414 sizeof (nice)); \
1512 1415 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1513 1416 DO(HEAD);
1514 1417 DO(SNAP);
1515 1418 DO(CHILD);
1516 1419 DO(CHILD_RSRV);
1517 1420 DO(REFRSRV);
1518 1421 #undef DO
1519 1422 }
1520 1423
1521 1424 /*ARGSUSED*/
1522 1425 static void
1523 1426 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1524 1427 {
1525 1428 dsl_dataset_phys_t *ds = data;
1526 1429 time_t crtime;
1527 1430 char used[32], compressed[32], uncompressed[32], unique[32];
1528 1431 char blkbuf[BP_SPRINTF_LEN];
1529 1432
1530 1433 /* make sure nicenum has enough space */
1531 1434 CTASSERT(sizeof (used) >= NN_NUMBUF_SZ);
1532 1435 CTASSERT(sizeof (compressed) >= NN_NUMBUF_SZ);
1533 1436 CTASSERT(sizeof (uncompressed) >= NN_NUMBUF_SZ);
1534 1437 CTASSERT(sizeof (unique) >= NN_NUMBUF_SZ);
1535 1438
1536 1439 if (ds == NULL)
1537 1440 return;
1538 1441
1539 1442 ASSERT(size == sizeof (*ds));
1540 1443 crtime = ds->ds_creation_time;
1541 1444 zdb_nicenum(ds->ds_referenced_bytes, used, sizeof (used));
1542 1445 zdb_nicenum(ds->ds_compressed_bytes, compressed, sizeof (compressed));
1543 1446 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed,
1544 1447 sizeof (uncompressed));
1545 1448 zdb_nicenum(ds->ds_unique_bytes, unique, sizeof (unique));
1546 1449 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp);
1547 1450
1548 1451 (void) printf("\t\tdir_obj = %llu\n",
1549 1452 (u_longlong_t)ds->ds_dir_obj);
1550 1453 (void) printf("\t\tprev_snap_obj = %llu\n",
1551 1454 (u_longlong_t)ds->ds_prev_snap_obj);
1552 1455 (void) printf("\t\tprev_snap_txg = %llu\n",
1553 1456 (u_longlong_t)ds->ds_prev_snap_txg);
1554 1457 (void) printf("\t\tnext_snap_obj = %llu\n",
1555 1458 (u_longlong_t)ds->ds_next_snap_obj);
1556 1459 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1557 1460 (u_longlong_t)ds->ds_snapnames_zapobj);
1558 1461 (void) printf("\t\tnum_children = %llu\n",
1559 1462 (u_longlong_t)ds->ds_num_children);
1560 1463 (void) printf("\t\tuserrefs_obj = %llu\n",
1561 1464 (u_longlong_t)ds->ds_userrefs_obj);
1562 1465 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1563 1466 (void) printf("\t\tcreation_txg = %llu\n",
1564 1467 (u_longlong_t)ds->ds_creation_txg);
1565 1468 (void) printf("\t\tdeadlist_obj = %llu\n",
1566 1469 (u_longlong_t)ds->ds_deadlist_obj);
1567 1470 (void) printf("\t\tused_bytes = %s\n", used);
1568 1471 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1569 1472 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1570 1473 (void) printf("\t\tunique = %s\n", unique);
1571 1474 (void) printf("\t\tfsid_guid = %llu\n",
1572 1475 (u_longlong_t)ds->ds_fsid_guid);
1573 1476 (void) printf("\t\tguid = %llu\n",
1574 1477 (u_longlong_t)ds->ds_guid);
1575 1478 (void) printf("\t\tflags = %llx\n",
1576 1479 (u_longlong_t)ds->ds_flags);
1577 1480 (void) printf("\t\tnext_clones_obj = %llu\n",
1578 1481 (u_longlong_t)ds->ds_next_clones_obj);
1579 1482 (void) printf("\t\tprops_obj = %llu\n",
1580 1483 (u_longlong_t)ds->ds_props_obj);
1581 1484 (void) printf("\t\tbp = %s\n", blkbuf);
1582 1485 }
1583 1486
1584 1487 /* ARGSUSED */
1585 1488 static int
1586 1489 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1587 1490 {
1588 1491 char blkbuf[BP_SPRINTF_LEN];
1589 1492
1590 1493 if (bp->blk_birth != 0) {
1591 1494 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
1592 1495 (void) printf("\t%s\n", blkbuf);
1593 1496 }
1594 1497 return (0);
1595 1498 }
1596 1499
1597 1500 static void
1598 1501 dump_bptree(objset_t *os, uint64_t obj, const char *name)
1599 1502 {
1600 1503 char bytes[32];
1601 1504 bptree_phys_t *bt;
1602 1505 dmu_buf_t *db;
1603 1506
1604 1507 /* make sure nicenum has enough space */
1605 1508 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
1606 1509
1607 1510 if (dump_opt['d'] < 3)
1608 1511 return;
1609 1512
1610 1513 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1611 1514 bt = db->db_data;
1612 1515 zdb_nicenum(bt->bt_bytes, bytes, sizeof (bytes));
1613 1516 (void) printf("\n %s: %llu datasets, %s\n",
1614 1517 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1615 1518 dmu_buf_rele(db, FTAG);
1616 1519
1617 1520 if (dump_opt['d'] < 5)
1618 1521 return;
1619 1522
1620 1523 (void) printf("\n");
1621 1524
1622 1525 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1623 1526 }
1624 1527
1625 1528 /* ARGSUSED */
1626 1529 static int
1627 1530 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1628 1531 {
1629 1532 char blkbuf[BP_SPRINTF_LEN];
1630 1533
1631 1534 ASSERT(bp->blk_birth != 0);
1632 1535 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp);
1633 1536 (void) printf("\t%s\n", blkbuf);
1634 1537 return (0);
1635 1538 }
1636 1539
1637 1540 static void
1638 1541 dump_full_bpobj(bpobj_t *bpo, const char *name, int indent)
1639 1542 {
1640 1543 char bytes[32];
1641 1544 char comp[32];
1642 1545 char uncomp[32];
1643 1546
1644 1547 /* make sure nicenum has enough space */
1645 1548 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
1646 1549 CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
1647 1550 CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
1648 1551
1649 1552 if (dump_opt['d'] < 3)
1650 1553 return;
1651 1554
1652 1555 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes, sizeof (bytes));
1653 1556 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
1654 1557 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp, sizeof (comp));
1655 1558 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp, sizeof (uncomp));
1656 1559 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1657 1560 "%llu subobjs in object %llu, %s (%s/%s comp)\n",
1658 1561 indent * 8, name,
1659 1562 (u_longlong_t)bpo->bpo_object,
1660 1563 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1661 1564 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1662 1565 (u_longlong_t)bpo->bpo_phys->bpo_subobjs,
1663 1566 bytes, comp, uncomp);
1664 1567
1665 1568 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
1666 1569 uint64_t subobj;
1667 1570 bpobj_t subbpo;
1668 1571 int error;
1669 1572 VERIFY0(dmu_read(bpo->bpo_os,
1670 1573 bpo->bpo_phys->bpo_subobjs,
1671 1574 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
1672 1575 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
1673 1576 if (error != 0) {
1674 1577 (void) printf("ERROR %u while trying to open "
1675 1578 "subobj id %llu\n",
1676 1579 error, (u_longlong_t)subobj);
1677 1580 continue;
1678 1581 }
1679 1582 dump_full_bpobj(&subbpo, "subobj", indent + 1);
1680 1583 bpobj_close(&subbpo);
1681 1584 }
1682 1585 } else {
1683 1586 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1684 1587 indent * 8, name,
1685 1588 (u_longlong_t)bpo->bpo_object,
1686 1589 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1687 1590 bytes);
1688 1591 }
1689 1592
1690 1593 if (dump_opt['d'] < 5)
1691 1594 return;
1692 1595
1693 1596
1694 1597 if (indent == 0) {
1695 1598 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1696 1599 (void) printf("\n");
1697 1600 }
1698 1601 }
1699 1602
1700 1603 static void
1701 1604 dump_deadlist(dsl_deadlist_t *dl)
1702 1605 {
1703 1606 dsl_deadlist_entry_t *dle;
1704 1607 uint64_t unused;
1705 1608 char bytes[32];
1706 1609 char comp[32];
1707 1610 char uncomp[32];
1708 1611
1709 1612 /* make sure nicenum has enough space */
1710 1613 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
1711 1614 CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
1712 1615 CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
1713 1616
1714 1617 if (dump_opt['d'] < 3)
1715 1618 return;
1716 1619
1717 1620 if (dl->dl_oldfmt) {
1718 1621 dump_full_bpobj(&dl->dl_bpobj, "old-format deadlist", 0);
1719 1622 return;
1720 1623 }
1721 1624
1722 1625 zdb_nicenum(dl->dl_phys->dl_used, bytes, sizeof (bytes));
1723 1626 zdb_nicenum(dl->dl_phys->dl_comp, comp, sizeof (comp));
1724 1627 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp, sizeof (uncomp));
1725 1628 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1726 1629 bytes, comp, uncomp);
1727 1630
1728 1631 if (dump_opt['d'] < 4)
1729 1632 return;
1730 1633
1731 1634 (void) printf("\n");
1732 1635
1733 1636 /* force the tree to be loaded */
1734 1637 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused);
1735 1638
1736 1639 for (dle = avl_first(&dl->dl_tree); dle;
1737 1640 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1738 1641 if (dump_opt['d'] >= 5) {
1739 1642 char buf[128];
1740 1643 (void) snprintf(buf, sizeof (buf),
1741 1644 "mintxg %llu -> obj %llu",
1742 1645 (longlong_t)dle->dle_mintxg,
1743 1646 (longlong_t)dle->dle_bpobj.bpo_object);
1744 1647
1745 1648 dump_full_bpobj(&dle->dle_bpobj, buf, 0);
1746 1649 } else {
1747 1650 (void) printf("mintxg %llu -> obj %llu\n",
1748 1651 (longlong_t)dle->dle_mintxg,
1749 1652 (longlong_t)dle->dle_bpobj.bpo_object);
1750 1653
1751 1654 }
1752 1655 }
1753 1656 }
1754 1657
1755 1658 static avl_tree_t idx_tree;
1756 1659 static avl_tree_t domain_tree;
1757 1660 static boolean_t fuid_table_loaded;
1758 1661 static objset_t *sa_os = NULL;
1759 1662 static sa_attr_type_t *sa_attr_table = NULL;
1760 1663
1761 1664 static int
1762 1665 open_objset(const char *path, dmu_objset_type_t type, void *tag, objset_t **osp)
1763 1666 {
1764 1667 int err;
1765 1668 uint64_t sa_attrs = 0;
1766 1669 uint64_t version = 0;
1767 1670
1768 1671 VERIFY3P(sa_os, ==, NULL);
1769 1672 err = dmu_objset_own(path, type, B_TRUE, tag, osp);
1770 1673 if (err != 0) {
1771 1674 (void) fprintf(stderr, "failed to own dataset '%s': %s\n", path,
1772 1675 strerror(err));
1773 1676 return (err);
1774 1677 }
1775 1678
1776 1679 if (dmu_objset_type(*osp) == DMU_OST_ZFS) {
1777 1680 (void) zap_lookup(*osp, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1778 1681 8, 1, &version);
1779 1682 if (version >= ZPL_VERSION_SA) {
1780 1683 (void) zap_lookup(*osp, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1781 1684 8, 1, &sa_attrs);
1782 1685 }
1783 1686 err = sa_setup(*osp, sa_attrs, zfs_attr_table, ZPL_END,
1784 1687 &sa_attr_table);
1785 1688 if (err != 0) {
1786 1689 (void) fprintf(stderr, "sa_setup failed: %s\n",
1787 1690 strerror(err));
1788 1691 dmu_objset_disown(*osp, tag);
1789 1692 *osp = NULL;
1790 1693 }
1791 1694 }
1792 1695 sa_os = *osp;
1793 1696
1794 1697 return (0);
1795 1698 }
1796 1699
1797 1700 static void
1798 1701 close_objset(objset_t *os, void *tag)
1799 1702 {
1800 1703 VERIFY3P(os, ==, sa_os);
1801 1704 if (os->os_sa != NULL)
1802 1705 sa_tear_down(os);
1803 1706 dmu_objset_disown(os, tag);
1804 1707 sa_attr_table = NULL;
1805 1708 sa_os = NULL;
1806 1709 }
1807 1710
1808 1711 static void
1809 1712 fuid_table_destroy()
1810 1713 {
1811 1714 if (fuid_table_loaded) {
1812 1715 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1813 1716 fuid_table_loaded = B_FALSE;
1814 1717 }
1815 1718 }
1816 1719
1817 1720 /*
1818 1721 * print uid or gid information.
1819 1722 * For normal POSIX id just the id is printed in decimal format.
1820 1723 * For CIFS files with FUID the fuid is printed in hex followed by
1821 1724 * the domain-rid string.
1822 1725 */
1823 1726 static void
1824 1727 print_idstr(uint64_t id, const char *id_type)
1825 1728 {
1826 1729 if (FUID_INDEX(id)) {
1827 1730 char *domain;
1828 1731
1829 1732 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1830 1733 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1831 1734 (u_longlong_t)id, domain, (int)FUID_RID(id));
1832 1735 } else {
1833 1736 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1834 1737 }
1835 1738
1836 1739 }
1837 1740
1838 1741 static void
1839 1742 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1840 1743 {
1841 1744 uint32_t uid_idx, gid_idx;
1842 1745
1843 1746 uid_idx = FUID_INDEX(uid);
1844 1747 gid_idx = FUID_INDEX(gid);
1845 1748
1846 1749 /* Load domain table, if not already loaded */
1847 1750 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1848 1751 uint64_t fuid_obj;
1849 1752
1850 1753 /* first find the fuid object. It lives in the master node */
1851 1754 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1852 1755 8, 1, &fuid_obj) == 0);
1853 1756 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1854 1757 (void) zfs_fuid_table_load(os, fuid_obj,
1855 1758 &idx_tree, &domain_tree);
1856 1759 fuid_table_loaded = B_TRUE;
1857 1760 }
1858 1761
1859 1762 print_idstr(uid, "uid");
1860 1763 print_idstr(gid, "gid");
1861 1764 }
1862 1765
1863 1766 /*ARGSUSED*/
1864 1767 static void
1865 1768 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1866 1769 {
1867 1770 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1868 1771 sa_handle_t *hdl;
1869 1772 uint64_t xattr, rdev, gen;
1870 1773 uint64_t uid, gid, mode, fsize, parent, links;
1871 1774 uint64_t pflags;
1872 1775 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1873 1776 time_t z_crtime, z_atime, z_mtime, z_ctime;
1874 1777 sa_bulk_attr_t bulk[12];
1875 1778 int idx = 0;
1876 1779 int error;
1877 1780
1878 1781 VERIFY3P(os, ==, sa_os);
1879 1782 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1880 1783 (void) printf("Failed to get handle for SA znode\n");
1881 1784 return;
1882 1785 }
1883 1786
1884 1787 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1885 1788 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1886 1789 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1887 1790 &links, 8);
1888 1791 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1889 1792 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1890 1793 &mode, 8);
1891 1794 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1892 1795 NULL, &parent, 8);
1893 1796 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1894 1797 &fsize, 8);
1895 1798 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1896 1799 acctm, 16);
1897 1800 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1898 1801 modtm, 16);
1899 1802 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1900 1803 crtm, 16);
1901 1804 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1902 1805 chgtm, 16);
1903 1806 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1904 1807 &pflags, 8);
1905 1808
1906 1809 if (sa_bulk_lookup(hdl, bulk, idx)) {
1907 1810 (void) sa_handle_destroy(hdl);
1908 1811 return;
1909 1812 }
1910 1813
1911 1814 z_crtime = (time_t)crtm[0];
1912 1815 z_atime = (time_t)acctm[0];
1913 1816 z_mtime = (time_t)modtm[0];
1914 1817 z_ctime = (time_t)chgtm[0];
1915 1818
1916 1819 if (dump_opt['d'] > 4) {
1917 1820 error = zfs_obj_to_path(os, object, path, sizeof (path));
1918 1821 if (error != 0) {
1919 1822 (void) snprintf(path, sizeof (path),
1920 1823 "\?\?\?<object#%llu>", (u_longlong_t)object);
1921 1824 }
1922 1825 (void) printf("\tpath %s\n", path);
1923 1826 }
1924 1827 dump_uidgid(os, uid, gid);
1925 1828 (void) printf("\tatime %s", ctime(&z_atime));
1926 1829 (void) printf("\tmtime %s", ctime(&z_mtime));
1927 1830 (void) printf("\tctime %s", ctime(&z_ctime));
1928 1831 (void) printf("\tcrtime %s", ctime(&z_crtime));
1929 1832 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1930 1833 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1931 1834 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1932 1835 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1933 1836 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1934 1837 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1935 1838 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1936 1839 sizeof (uint64_t)) == 0)
1937 1840 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1938 1841 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1939 1842 sizeof (uint64_t)) == 0)
1940 1843 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1941 1844 sa_handle_destroy(hdl);
1942 1845 }
1943 1846
1944 1847 /*ARGSUSED*/
1945 1848 static void
1946 1849 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1947 1850 {
1948 1851 }
1949 1852
1950 1853 /*ARGSUSED*/
1951 1854 static void
1952 1855 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1953 1856 {
1954 1857 }
1955 1858
1956 1859 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1957 1860 dump_none, /* unallocated */
1958 1861 dump_zap, /* object directory */
1959 1862 dump_uint64, /* object array */
1960 1863 dump_none, /* packed nvlist */
1961 1864 dump_packed_nvlist, /* packed nvlist size */
1962 1865 dump_none, /* bpobj */
1963 1866 dump_bpobj, /* bpobj header */
1964 1867 dump_none, /* SPA space map header */
1965 1868 dump_none, /* SPA space map */
1966 1869 dump_none, /* ZIL intent log */
1967 1870 dump_dnode, /* DMU dnode */
1968 1871 dump_dmu_objset, /* DMU objset */
1969 1872 dump_dsl_dir, /* DSL directory */
1970 1873 dump_zap, /* DSL directory child map */
1971 1874 dump_zap, /* DSL dataset snap map */
1972 1875 dump_zap, /* DSL props */
1973 1876 dump_dsl_dataset, /* DSL dataset */
1974 1877 dump_znode, /* ZFS znode */
1975 1878 dump_acl, /* ZFS V0 ACL */
1976 1879 dump_uint8, /* ZFS plain file */
1977 1880 dump_zpldir, /* ZFS directory */
1978 1881 dump_zap, /* ZFS master node */
1979 1882 dump_zap, /* ZFS delete queue */
1980 1883 dump_uint8, /* zvol object */
1981 1884 dump_zap, /* zvol prop */
1982 1885 dump_uint8, /* other uint8[] */
1983 1886 dump_uint64, /* other uint64[] */
1984 1887 dump_zap, /* other ZAP */
1985 1888 dump_zap, /* persistent error log */
1986 1889 dump_uint8, /* SPA history */
1987 1890 dump_history_offsets, /* SPA history offsets */
1988 1891 dump_zap, /* Pool properties */
1989 1892 dump_zap, /* DSL permissions */
1990 1893 dump_acl, /* ZFS ACL */
1991 1894 dump_uint8, /* ZFS SYSACL */
1992 1895 dump_none, /* FUID nvlist */
1993 1896 dump_packed_nvlist, /* FUID nvlist size */
1994 1897 dump_zap, /* DSL dataset next clones */
1995 1898 dump_zap, /* DSL scrub queue */
1996 1899 dump_zap, /* ZFS user/group used */
1997 1900 dump_zap, /* ZFS user/group quota */
1998 1901 dump_zap, /* snapshot refcount tags */
1999 1902 dump_ddt_zap, /* DDT ZAP object */
2000 1903 dump_zap, /* DDT statistics */
2001 1904 dump_znode, /* SA object */
2002 1905 dump_zap, /* SA Master Node */
2003 1906 dump_sa_attrs, /* SA attribute registration */
2004 1907 dump_sa_layouts, /* SA attribute layouts */
2005 1908 dump_zap, /* DSL scrub translations */
2006 1909 dump_none, /* fake dedup BP */
2007 1910 dump_zap, /* deadlist */
2008 1911 dump_none, /* deadlist hdr */
2009 1912 dump_zap, /* dsl clones */
2010 1913 dump_bpobj_subobjs, /* bpobj subobjs */
2011 1914 dump_unknown, /* Unknown type, must be last */
2012 1915 };
2013 1916
2014 1917 static void
2015 1918 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
2016 1919 {
2017 1920 dmu_buf_t *db = NULL;
2018 1921 dmu_object_info_t doi;
2019 1922 dnode_t *dn;
2020 1923 void *bonus = NULL;
2021 1924 size_t bsize = 0;
2022 1925 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
2023 1926 char bonus_size[32];
2024 1927 char aux[50];
2025 1928 int error;
2026 1929
2027 1930 /* make sure nicenum has enough space */
2028 1931 CTASSERT(sizeof (iblk) >= NN_NUMBUF_SZ);
2029 1932 CTASSERT(sizeof (dblk) >= NN_NUMBUF_SZ);
2030 1933 CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
2031 1934 CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
2032 1935 CTASSERT(sizeof (bonus_size) >= NN_NUMBUF_SZ);
2033 1936
2034 1937 if (*print_header) {
2035 1938 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
2036 1939 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
2037 1940 "%full", "type");
2038 1941 *print_header = 0;
2039 1942 }
2040 1943
2041 1944 if (object == 0) {
2042 1945 dn = DMU_META_DNODE(os);
2043 1946 } else {
2044 1947 error = dmu_bonus_hold(os, object, FTAG, &db);
2045 1948 if (error)
2046 1949 fatal("dmu_bonus_hold(%llu) failed, errno %u",
2047 1950 object, error);
2048 1951 bonus = db->db_data;
2049 1952 bsize = db->db_size;
2050 1953 dn = DB_DNODE((dmu_buf_impl_t *)db);
2051 1954 }
2052 1955 dmu_object_info_from_dnode(dn, &doi);
2053 1956
2054 1957 zdb_nicenum(doi.doi_metadata_block_size, iblk, sizeof (iblk));
2055 1958 zdb_nicenum(doi.doi_data_block_size, dblk, sizeof (dblk));
2056 1959 zdb_nicenum(doi.doi_max_offset, lsize, sizeof (lsize));
2057 1960 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize, sizeof (asize));
2058 1961 zdb_nicenum(doi.doi_bonus_size, bonus_size, sizeof (bonus_size));
2059 1962 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
2060 1963 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
2061 1964 doi.doi_max_offset);
2062 1965
2063 1966 aux[0] = '\0';
2064 1967
2065 1968 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
2066 1969 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
2067 1970 ZDB_CHECKSUM_NAME(doi.doi_checksum));
2068 1971 }
2069 1972
2070 1973 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
2071 1974 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
2072 1975 ZDB_COMPRESS_NAME(doi.doi_compress));
2073 1976 }
2074 1977
2075 1978 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
2076 1979 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
2077 1980 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
2078 1981
2079 1982 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
2080 1983 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
2081 1984 "", "", "", "", "", bonus_size, "bonus",
2082 1985 ZDB_OT_NAME(doi.doi_bonus_type));
2083 1986 }
2084 1987
2085 1988 if (verbosity >= 4) {
2086 1989 (void) printf("\tdnode flags: %s%s%s\n",
2087 1990 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
2088 1991 "USED_BYTES " : "",
2089 1992 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
2090 1993 "USERUSED_ACCOUNTED " : "",
2091 1994 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
2092 1995 "SPILL_BLKPTR" : "");
2093 1996 (void) printf("\tdnode maxblkid: %llu\n",
2094 1997 (longlong_t)dn->dn_phys->dn_maxblkid);
2095 1998
2096 1999 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
2097 2000 bonus, bsize);
2098 2001 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
2099 2002 *print_header = 1;
2100 2003 }
2101 2004
2102 2005 if (verbosity >= 5)
2103 2006 dump_indirect(dn);
2104 2007
2105 2008 if (verbosity >= 5) {
2106 2009 /*
2107 2010 * Report the list of segments that comprise the object.
2108 2011 */
2109 2012 uint64_t start = 0;
2110 2013 uint64_t end;
2111 2014 uint64_t blkfill = 1;
2112 2015 int minlvl = 1;
2113 2016
2114 2017 if (dn->dn_type == DMU_OT_DNODE) {
2115 2018 minlvl = 0;
2116 2019 blkfill = DNODES_PER_BLOCK;
2117 2020 }
2118 2021
2119 2022 for (;;) {
2120 2023 char segsize[32];
2121 2024 /* make sure nicenum has enough space */
2122 2025 CTASSERT(sizeof (segsize) >= NN_NUMBUF_SZ);
2123 2026 error = dnode_next_offset(dn,
2124 2027 0, &start, minlvl, blkfill, 0);
2125 2028 if (error)
2126 2029 break;
2127 2030 end = start;
2128 2031 error = dnode_next_offset(dn,
2129 2032 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
2130 2033 zdb_nicenum(end - start, segsize, sizeof (segsize));
2131 2034 (void) printf("\t\tsegment [%016llx, %016llx)"
2132 2035 " size %5s\n", (u_longlong_t)start,
2133 2036 (u_longlong_t)end, segsize);
2134 2037 if (error)
2135 2038 break;
2136 2039 start = end;
2137 2040 }
2138 2041 }
2139 2042
2140 2043 if (db != NULL)
2141 2044 dmu_buf_rele(db, FTAG);
2142 2045 }
2143 2046
2144 2047 static const char *objset_types[DMU_OST_NUMTYPES] = {
2145 2048 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
2146 2049
2147 2050 static void
2148 2051 dump_dir(objset_t *os)
2149 2052 {
2150 2053 dmu_objset_stats_t dds;
2151 2054 uint64_t object, object_count;
2152 2055 uint64_t refdbytes, usedobjs, scratch;
2153 2056 char numbuf[32];
2154 2057 char blkbuf[BP_SPRINTF_LEN + 20];
2155 2058 char osname[ZFS_MAX_DATASET_NAME_LEN];
2156 2059 const char *type = "UNKNOWN";
2157 2060 int verbosity = dump_opt['d'];
2158 2061 int print_header = 1;
2159 2062 unsigned i;
2160 2063 int error;
2161 2064
2162 2065 /* make sure nicenum has enough space */
2163 2066 CTASSERT(sizeof (numbuf) >= NN_NUMBUF_SZ);
2164 2067
2165 2068 dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
2166 2069 dmu_objset_fast_stat(os, &dds);
2167 2070 dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
2168 2071
2169 2072 if (dds.dds_type < DMU_OST_NUMTYPES)
2170 2073 type = objset_types[dds.dds_type];
2171 2074
2172 2075 if (dds.dds_type == DMU_OST_META) {
2173 2076 dds.dds_creation_txg = TXG_INITIAL;
2174 2077 usedobjs = BP_GET_FILL(os->os_rootbp);
2175 2078 refdbytes = dsl_dir_phys(os->os_spa->spa_dsl_pool->dp_mos_dir)->
2176 2079 dd_used_bytes;
2177 2080 } else {
2178 2081 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
2179 2082 }
2180 2083
2181 2084 ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp));
2182 2085
2183 2086 zdb_nicenum(refdbytes, numbuf, sizeof (numbuf));
2184 2087
2185 2088 if (verbosity >= 4) {
2186 2089 (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp ");
2187 2090 (void) snprintf_blkptr(blkbuf + strlen(blkbuf),
2188 2091 sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp);
2189 2092 } else {
2190 2093 blkbuf[0] = '\0';
2191 2094 }
2192 2095
2193 2096 dmu_objset_name(os, osname);
2194 2097
2195 2098 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
2196 2099 "%s, %llu objects%s\n",
2197 2100 osname, type, (u_longlong_t)dmu_objset_id(os),
2198 2101 (u_longlong_t)dds.dds_creation_txg,
2199 2102 numbuf, (u_longlong_t)usedobjs, blkbuf);
2200 2103
2201 2104 if (zopt_objects != 0) {
|
↓ open down ↓ |
894 lines elided |
↑ open up ↑ |
2202 2105 for (i = 0; i < zopt_objects; i++)
2203 2106 dump_object(os, zopt_object[i], verbosity,
2204 2107 &print_header);
2205 2108 (void) printf("\n");
2206 2109 return;
2207 2110 }
2208 2111
2209 2112 if (dump_opt['i'] != 0 || verbosity >= 2)
2210 2113 dump_intent_log(dmu_objset_zil(os));
2211 2114
2212 - if (dmu_objset_ds(os) != NULL) {
2213 - dsl_dataset_t *ds = dmu_objset_ds(os);
2214 - dump_deadlist(&ds->ds_deadlist);
2115 + if (dmu_objset_ds(os) != NULL)
2116 + dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
2215 2117
2216 - if (dsl_dataset_remap_deadlist_exists(ds)) {
2217 - (void) printf("ds_remap_deadlist:\n");
2218 - dump_deadlist(&ds->ds_remap_deadlist);
2219 - }
2220 - }
2221 -
2222 2118 if (verbosity < 2)
2223 2119 return;
2224 2120
2225 2121 if (BP_IS_HOLE(os->os_rootbp))
2226 2122 return;
2227 2123
2228 2124 dump_object(os, 0, verbosity, &print_header);
2229 2125 object_count = 0;
2230 2126 if (DMU_USERUSED_DNODE(os) != NULL &&
2231 2127 DMU_USERUSED_DNODE(os)->dn_type != 0) {
2232 2128 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
2233 2129 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
2234 2130 }
2235 2131
2236 2132 object = 0;
2237 2133 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
2238 2134 dump_object(os, object, verbosity, &print_header);
2239 2135 object_count++;
2240 2136 }
2241 2137
2242 2138 ASSERT3U(object_count, ==, usedobjs);
2243 2139
2244 2140 (void) printf("\n");
2245 2141
2246 2142 if (error != ESRCH) {
2247 2143 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
2248 2144 abort();
2249 2145 }
2250 2146 }
2251 2147
2252 2148 static void
2253 2149 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
2254 2150 {
2255 2151 time_t timestamp = ub->ub_timestamp;
2256 2152
2257 2153 (void) printf("%s", header ? header : "");
2258 2154 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
2259 2155 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
2260 2156 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
2261 2157 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
2262 2158 (void) printf("\ttimestamp = %llu UTC = %s",
2263 2159 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
2264 2160 if (dump_opt['u'] >= 3) {
2265 2161 char blkbuf[BP_SPRINTF_LEN];
2266 2162 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp);
2267 2163 (void) printf("\trootbp = %s\n", blkbuf);
2268 2164 }
2269 2165 (void) printf("%s", footer ? footer : "");
2270 2166 }
2271 2167
2272 2168 static void
2273 2169 dump_config(spa_t *spa)
2274 2170 {
2275 2171 dmu_buf_t *db;
2276 2172 size_t nvsize = 0;
2277 2173 int error = 0;
2278 2174
2279 2175
2280 2176 error = dmu_bonus_hold(spa->spa_meta_objset,
2281 2177 spa->spa_config_object, FTAG, &db);
2282 2178
2283 2179 if (error == 0) {
2284 2180 nvsize = *(uint64_t *)db->db_data;
2285 2181 dmu_buf_rele(db, FTAG);
2286 2182
2287 2183 (void) printf("\nMOS Configuration:\n");
2288 2184 dump_packed_nvlist(spa->spa_meta_objset,
2289 2185 spa->spa_config_object, (void *)&nvsize, 1);
2290 2186 } else {
2291 2187 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
2292 2188 (u_longlong_t)spa->spa_config_object, error);
2293 2189 }
2294 2190 }
2295 2191
2296 2192 static void
2297 2193 dump_cachefile(const char *cachefile)
2298 2194 {
2299 2195 int fd;
2300 2196 struct stat64 statbuf;
2301 2197 char *buf;
2302 2198 nvlist_t *config;
2303 2199
2304 2200 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
2305 2201 (void) printf("cannot open '%s': %s\n", cachefile,
2306 2202 strerror(errno));
2307 2203 exit(1);
2308 2204 }
2309 2205
2310 2206 if (fstat64(fd, &statbuf) != 0) {
2311 2207 (void) printf("failed to stat '%s': %s\n", cachefile,
2312 2208 strerror(errno));
2313 2209 exit(1);
2314 2210 }
2315 2211
2316 2212 if ((buf = malloc(statbuf.st_size)) == NULL) {
2317 2213 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
2318 2214 (u_longlong_t)statbuf.st_size);
2319 2215 exit(1);
2320 2216 }
2321 2217
2322 2218 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
2323 2219 (void) fprintf(stderr, "failed to read %llu bytes\n",
2324 2220 (u_longlong_t)statbuf.st_size);
2325 2221 exit(1);
2326 2222 }
2327 2223
2328 2224 (void) close(fd);
2329 2225
2330 2226 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
2331 2227 (void) fprintf(stderr, "failed to unpack nvlist\n");
2332 2228 exit(1);
2333 2229 }
2334 2230
2335 2231 free(buf);
2336 2232
2337 2233 dump_nvlist(config, 0);
2338 2234
2339 2235 nvlist_free(config);
2340 2236 }
2341 2237
2342 2238 #define ZDB_MAX_UB_HEADER_SIZE 32
2343 2239
2344 2240 static void
2345 2241 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
2346 2242 {
2347 2243 vdev_t vd;
2348 2244 vdev_t *vdp = &vd;
2349 2245 char header[ZDB_MAX_UB_HEADER_SIZE];
2350 2246
2351 2247 vd.vdev_ashift = ashift;
2352 2248 vdp->vdev_top = vdp;
2353 2249
2354 2250 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
2355 2251 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
2356 2252 uberblock_t *ub = (void *)((char *)lbl + uoff);
2357 2253
2358 2254 if (uberblock_verify(ub))
2359 2255 continue;
2360 2256 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
2361 2257 "Uberblock[%d]\n", i);
2362 2258 dump_uberblock(ub, header, "");
2363 2259 }
2364 2260 }
2365 2261
2366 2262 static char curpath[PATH_MAX];
2367 2263
2368 2264 /*
2369 2265 * Iterate through the path components, recursively passing
2370 2266 * current one's obj and remaining path until we find the obj
2371 2267 * for the last one.
2372 2268 */
2373 2269 static int
2374 2270 dump_path_impl(objset_t *os, uint64_t obj, char *name)
2375 2271 {
2376 2272 int err;
2377 2273 int header = 1;
2378 2274 uint64_t child_obj;
2379 2275 char *s;
2380 2276 dmu_buf_t *db;
2381 2277 dmu_object_info_t doi;
2382 2278
2383 2279 if ((s = strchr(name, '/')) != NULL)
2384 2280 *s = '\0';
2385 2281 err = zap_lookup(os, obj, name, 8, 1, &child_obj);
2386 2282
2387 2283 (void) strlcat(curpath, name, sizeof (curpath));
2388 2284
2389 2285 if (err != 0) {
2390 2286 (void) fprintf(stderr, "failed to lookup %s: %s\n",
2391 2287 curpath, strerror(err));
2392 2288 return (err);
2393 2289 }
2394 2290
2395 2291 child_obj = ZFS_DIRENT_OBJ(child_obj);
2396 2292 err = sa_buf_hold(os, child_obj, FTAG, &db);
2397 2293 if (err != 0) {
2398 2294 (void) fprintf(stderr,
2399 2295 "failed to get SA dbuf for obj %llu: %s\n",
2400 2296 (u_longlong_t)child_obj, strerror(err));
2401 2297 return (EINVAL);
2402 2298 }
2403 2299 dmu_object_info_from_db(db, &doi);
2404 2300 sa_buf_rele(db, FTAG);
2405 2301
2406 2302 if (doi.doi_bonus_type != DMU_OT_SA &&
2407 2303 doi.doi_bonus_type != DMU_OT_ZNODE) {
2408 2304 (void) fprintf(stderr, "invalid bonus type %d for obj %llu\n",
2409 2305 doi.doi_bonus_type, (u_longlong_t)child_obj);
2410 2306 return (EINVAL);
2411 2307 }
2412 2308
2413 2309 if (dump_opt['v'] > 6) {
2414 2310 (void) printf("obj=%llu %s type=%d bonustype=%d\n",
2415 2311 (u_longlong_t)child_obj, curpath, doi.doi_type,
2416 2312 doi.doi_bonus_type);
2417 2313 }
2418 2314
2419 2315 (void) strlcat(curpath, "/", sizeof (curpath));
2420 2316
2421 2317 switch (doi.doi_type) {
2422 2318 case DMU_OT_DIRECTORY_CONTENTS:
2423 2319 if (s != NULL && *(s + 1) != '\0')
2424 2320 return (dump_path_impl(os, child_obj, s + 1));
2425 2321 /*FALLTHROUGH*/
2426 2322 case DMU_OT_PLAIN_FILE_CONTENTS:
2427 2323 dump_object(os, child_obj, dump_opt['v'], &header);
2428 2324 return (0);
2429 2325 default:
2430 2326 (void) fprintf(stderr, "object %llu has non-file/directory "
2431 2327 "type %d\n", (u_longlong_t)obj, doi.doi_type);
2432 2328 break;
2433 2329 }
2434 2330
2435 2331 return (EINVAL);
2436 2332 }
2437 2333
2438 2334 /*
2439 2335 * Dump the blocks for the object specified by path inside the dataset.
2440 2336 */
2441 2337 static int
2442 2338 dump_path(char *ds, char *path)
2443 2339 {
2444 2340 int err;
2445 2341 objset_t *os;
2446 2342 uint64_t root_obj;
2447 2343
2448 2344 err = open_objset(ds, DMU_OST_ZFS, FTAG, &os);
2449 2345 if (err != 0)
2450 2346 return (err);
2451 2347
2452 2348 err = zap_lookup(os, MASTER_NODE_OBJ, ZFS_ROOT_OBJ, 8, 1, &root_obj);
2453 2349 if (err != 0) {
2454 2350 (void) fprintf(stderr, "can't lookup root znode: %s\n",
2455 2351 strerror(err));
2456 2352 dmu_objset_disown(os, FTAG);
2457 2353 return (EINVAL);
2458 2354 }
2459 2355
2460 2356 (void) snprintf(curpath, sizeof (curpath), "dataset=%s path=/", ds);
2461 2357
2462 2358 err = dump_path_impl(os, root_obj, path);
2463 2359
2464 2360 close_objset(os, FTAG);
2465 2361 return (err);
2466 2362 }
2467 2363
2468 2364 static int
2469 2365 dump_label(const char *dev)
2470 2366 {
2471 2367 int fd;
2472 2368 vdev_label_t label;
2473 2369 char path[MAXPATHLEN];
2474 2370 char *buf = label.vl_vdev_phys.vp_nvlist;
2475 2371 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
2476 2372 struct stat64 statbuf;
2477 2373 uint64_t psize, ashift;
2478 2374 boolean_t label_found = B_FALSE;
2479 2375
2480 2376 (void) strlcpy(path, dev, sizeof (path));
2481 2377 if (dev[0] == '/') {
2482 2378 if (strncmp(dev, ZFS_DISK_ROOTD,
2483 2379 strlen(ZFS_DISK_ROOTD)) == 0) {
2484 2380 (void) snprintf(path, sizeof (path), "%s%s",
2485 2381 ZFS_RDISK_ROOTD, dev + strlen(ZFS_DISK_ROOTD));
2486 2382 }
2487 2383 } else if (stat64(path, &statbuf) != 0) {
2488 2384 char *s;
2489 2385
2490 2386 (void) snprintf(path, sizeof (path), "%s%s", ZFS_RDISK_ROOTD,
2491 2387 dev);
2492 2388 if (((s = strrchr(dev, 's')) == NULL &&
2493 2389 (s = strchr(dev, 'p')) == NULL) ||
2494 2390 !isdigit(*(s + 1)))
2495 2391 (void) strlcat(path, "s0", sizeof (path));
2496 2392 }
2497 2393
2498 2394 if ((fd = open64(path, O_RDONLY)) < 0) {
2499 2395 (void) fprintf(stderr, "cannot open '%s': %s\n", path,
2500 2396 strerror(errno));
2501 2397 exit(1);
2502 2398 }
2503 2399
2504 2400 if (fstat64(fd, &statbuf) != 0) {
2505 2401 (void) fprintf(stderr, "failed to stat '%s': %s\n", path,
2506 2402 strerror(errno));
2507 2403 (void) close(fd);
2508 2404 exit(1);
2509 2405 }
2510 2406
2511 2407 if (S_ISBLK(statbuf.st_mode)) {
2512 2408 (void) fprintf(stderr,
2513 2409 "cannot use '%s': character device required\n", path);
2514 2410 (void) close(fd);
2515 2411 exit(1);
2516 2412 }
2517 2413
2518 2414 psize = statbuf.st_size;
2519 2415 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
2520 2416
2521 2417 for (int l = 0; l < VDEV_LABELS; l++) {
2522 2418 nvlist_t *config = NULL;
2523 2419
2524 2420 if (!dump_opt['q']) {
2525 2421 (void) printf("------------------------------------\n");
2526 2422 (void) printf("LABEL %d\n", l);
2527 2423 (void) printf("------------------------------------\n");
2528 2424 }
2529 2425
2530 2426 if (pread64(fd, &label, sizeof (label),
2531 2427 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
2532 2428 if (!dump_opt['q'])
2533 2429 (void) printf("failed to read label %d\n", l);
2534 2430 continue;
2535 2431 }
2536 2432
2537 2433 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
2538 2434 if (!dump_opt['q'])
2539 2435 (void) printf("failed to unpack label %d\n", l);
2540 2436 ashift = SPA_MINBLOCKSHIFT;
2541 2437 } else {
2542 2438 nvlist_t *vdev_tree = NULL;
2543 2439
2544 2440 if (!dump_opt['q'])
2545 2441 dump_nvlist(config, 4);
2546 2442 if ((nvlist_lookup_nvlist(config,
2547 2443 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
2548 2444 (nvlist_lookup_uint64(vdev_tree,
2549 2445 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
2550 2446 ashift = SPA_MINBLOCKSHIFT;
2551 2447 nvlist_free(config);
2552 2448 label_found = B_TRUE;
2553 2449 }
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2554 2450 if (dump_opt['u'])
2555 2451 dump_label_uberblocks(&label, ashift);
2556 2452 }
2557 2453
2558 2454 (void) close(fd);
2559 2455
2560 2456 return (label_found ? 0 : 2);
2561 2457 }
2562 2458
2563 2459 static uint64_t dataset_feature_count[SPA_FEATURES];
2564 -static uint64_t remap_deadlist_count = 0;
2565 2460
2566 2461 /*ARGSUSED*/
2567 2462 static int
2568 2463 dump_one_dir(const char *dsname, void *arg)
2569 2464 {
2570 2465 int error;
2571 2466 objset_t *os;
2572 2467
2573 2468 error = open_objset(dsname, DMU_OST_ANY, FTAG, &os);
2574 2469 if (error != 0)
2575 2470 return (0);
2576 2471
2577 2472 for (spa_feature_t f = 0; f < SPA_FEATURES; f++) {
2578 2473 if (!dmu_objset_ds(os)->ds_feature_inuse[f])
2579 2474 continue;
2580 2475 ASSERT(spa_feature_table[f].fi_flags &
2581 2476 ZFEATURE_FLAG_PER_DATASET);
2582 2477 dataset_feature_count[f]++;
2583 2478 }
2584 2479
2585 - if (dsl_dataset_remap_deadlist_exists(dmu_objset_ds(os))) {
2586 - remap_deadlist_count++;
2587 - }
2588 -
2589 2480 dump_dir(os);
2590 2481 close_objset(os, FTAG);
2591 2482 fuid_table_destroy();
2592 2483 return (0);
2593 2484 }
2594 2485
2595 2486 /*
2596 2487 * Block statistics.
2597 2488 */
2598 2489 #define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
2599 2490 typedef struct zdb_blkstats {
2600 2491 uint64_t zb_asize;
2601 2492 uint64_t zb_lsize;
2602 2493 uint64_t zb_psize;
2603 2494 uint64_t zb_count;
2604 2495 uint64_t zb_gangs;
2605 2496 uint64_t zb_ditto_samevdev;
2606 2497 uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE];
2607 2498 } zdb_blkstats_t;
2608 2499
2609 2500 /*
2610 2501 * Extended object types to report deferred frees and dedup auto-ditto blocks.
2611 2502 */
2612 2503 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2613 2504 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
2614 2505 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2615 2506 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
2616 2507
2617 2508 static const char *zdb_ot_extname[] = {
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2618 2509 "deferred free",
2619 2510 "dedup ditto",
2620 2511 "other",
2621 2512 "Total",
2622 2513 };
2623 2514
2624 2515 #define ZB_TOTAL DN_MAX_LEVELS
2625 2516
2626 2517 typedef struct zdb_cb {
2627 2518 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
2628 - uint64_t zcb_removing_size;
2629 2519 uint64_t zcb_dedup_asize;
2630 2520 uint64_t zcb_dedup_blocks;
2631 2521 uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES];
2632 2522 uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES]
2633 2523 [BPE_PAYLOAD_SIZE];
2634 2524 uint64_t zcb_start;
2635 2525 hrtime_t zcb_lastprint;
2636 2526 uint64_t zcb_totalasize;
2637 2527 uint64_t zcb_errors[256];
2638 2528 int zcb_readfails;
2639 2529 int zcb_haderrors;
2640 2530 spa_t *zcb_spa;
2641 - uint32_t **zcb_vd_obsolete_counts;
2642 2531 } zdb_cb_t;
2643 2532
2644 2533 static void
2645 2534 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
2646 2535 dmu_object_type_t type)
2647 2536 {
2648 2537 uint64_t refcnt = 0;
2649 2538
2650 2539 ASSERT(type < ZDB_OT_TOTAL);
2651 2540
2652 2541 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
2653 2542 return;
2654 2543
2655 2544 for (int i = 0; i < 4; i++) {
2656 2545 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
2657 2546 int t = (i & 1) ? type : ZDB_OT_TOTAL;
2658 2547 int equal;
2659 2548 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
2660 2549
2661 2550 zb->zb_asize += BP_GET_ASIZE(bp);
2662 2551 zb->zb_lsize += BP_GET_LSIZE(bp);
2663 2552 zb->zb_psize += BP_GET_PSIZE(bp);
2664 2553 zb->zb_count++;
2665 2554
2666 2555 /*
2667 2556 * The histogram is only big enough to record blocks up to
2668 2557 * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
2669 2558 * "other", bucket.
2670 2559 */
2671 2560 unsigned idx = BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT;
2672 2561 idx = MIN(idx, SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1);
2673 2562 zb->zb_psize_histogram[idx]++;
2674 2563
2675 2564 zb->zb_gangs += BP_COUNT_GANG(bp);
2676 2565
2677 2566 switch (BP_GET_NDVAS(bp)) {
2678 2567 case 2:
2679 2568 if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
2680 2569 DVA_GET_VDEV(&bp->blk_dva[1]))
2681 2570 zb->zb_ditto_samevdev++;
2682 2571 break;
2683 2572 case 3:
2684 2573 equal = (DVA_GET_VDEV(&bp->blk_dva[0]) ==
2685 2574 DVA_GET_VDEV(&bp->blk_dva[1])) +
2686 2575 (DVA_GET_VDEV(&bp->blk_dva[0]) ==
2687 2576 DVA_GET_VDEV(&bp->blk_dva[2])) +
2688 2577 (DVA_GET_VDEV(&bp->blk_dva[1]) ==
2689 2578 DVA_GET_VDEV(&bp->blk_dva[2]));
2690 2579 if (equal != 0)
2691 2580 zb->zb_ditto_samevdev++;
2692 2581 break;
2693 2582 }
2694 2583
2695 2584 }
2696 2585
2697 2586 if (BP_IS_EMBEDDED(bp)) {
2698 2587 zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++;
2699 2588 zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)]
2700 2589 [BPE_GET_PSIZE(bp)]++;
2701 2590 return;
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2702 2591 }
2703 2592
2704 2593 if (dump_opt['L'])
2705 2594 return;
2706 2595
2707 2596 if (BP_GET_DEDUP(bp)) {
2708 2597 ddt_t *ddt;
2709 2598 ddt_entry_t *dde;
2710 2599
2711 2600 ddt = ddt_select(zcb->zcb_spa, bp);
2712 - ddt_enter(ddt);
2713 2601 dde = ddt_lookup(ddt, bp, B_FALSE);
2714 2602
2715 2603 if (dde == NULL) {
2716 2604 refcnt = 0;
2717 2605 } else {
2718 2606 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
2607 +
2608 + /* no other competitors for dde */
2609 + dde_exit(dde);
2610 +
2719 2611 ddt_phys_decref(ddp);
2720 2612 refcnt = ddp->ddp_refcnt;
2721 2613 if (ddt_phys_total_refcnt(dde) == 0)
2722 2614 ddt_remove(ddt, dde);
2723 2615 }
2724 - ddt_exit(ddt);
2725 2616 }
2726 2617
2727 2618 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
2728 2619 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
2729 2620 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
2730 2621 }
2731 2622
2732 2623 static void
2733 2624 zdb_blkptr_done(zio_t *zio)
2734 2625 {
2735 2626 spa_t *spa = zio->io_spa;
2736 2627 blkptr_t *bp = zio->io_bp;
2737 2628 int ioerr = zio->io_error;
2738 2629 zdb_cb_t *zcb = zio->io_private;
2739 2630 zbookmark_phys_t *zb = &zio->io_bookmark;
2740 2631
2741 2632 abd_free(zio->io_abd);
2742 2633
2743 2634 mutex_enter(&spa->spa_scrub_lock);
2744 2635 spa->spa_scrub_inflight--;
2745 2636 cv_broadcast(&spa->spa_scrub_io_cv);
2746 2637
2747 2638 if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
2748 2639 char blkbuf[BP_SPRINTF_LEN];
2749 2640
2750 2641 zcb->zcb_haderrors = 1;
2751 2642 zcb->zcb_errors[ioerr]++;
2752 2643
2753 2644 if (dump_opt['b'] >= 2)
2754 2645 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
2755 2646 else
2756 2647 blkbuf[0] = '\0';
2757 2648
2758 2649 (void) printf("zdb_blkptr_cb: "
2759 2650 "Got error %d reading "
2760 2651 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2761 2652 ioerr,
2762 2653 (u_longlong_t)zb->zb_objset,
2763 2654 (u_longlong_t)zb->zb_object,
2764 2655 (u_longlong_t)zb->zb_level,
2765 2656 (u_longlong_t)zb->zb_blkid,
2766 2657 blkbuf);
2767 2658 }
2768 2659 mutex_exit(&spa->spa_scrub_lock);
2769 2660 }
2770 2661
2771 2662 static int
2772 2663 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2773 2664 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
2774 2665 {
2775 2666 zdb_cb_t *zcb = arg;
2776 2667 dmu_object_type_t type;
2777 2668 boolean_t is_metadata;
2778 2669
2779 2670 if (bp == NULL)
2780 2671 return (0);
2781 2672
2782 2673 if (dump_opt['b'] >= 5 && bp->blk_birth > 0) {
2783 2674 char blkbuf[BP_SPRINTF_LEN];
2784 2675 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
2785 2676 (void) printf("objset %llu object %llu "
2786 2677 "level %lld offset 0x%llx %s\n",
2787 2678 (u_longlong_t)zb->zb_objset,
2788 2679 (u_longlong_t)zb->zb_object,
2789 2680 (longlong_t)zb->zb_level,
2790 2681 (u_longlong_t)blkid2offset(dnp, bp, zb),
2791 2682 blkbuf);
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2792 2683 }
2793 2684
2794 2685 if (BP_IS_HOLE(bp))
2795 2686 return (0);
2796 2687
2797 2688 type = BP_GET_TYPE(bp);
2798 2689
2799 2690 zdb_count_block(zcb, zilog, bp,
2800 2691 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
2801 2692
2802 - is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
2693 + is_metadata = BP_IS_METADATA(bp);
2803 2694
2804 2695 if (!BP_IS_EMBEDDED(bp) &&
2805 2696 (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) {
2806 2697 size_t size = BP_GET_PSIZE(bp);
2807 2698 abd_t *abd = abd_alloc(size, B_FALSE);
2808 2699 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
2809 2700
2810 2701 /* If it's an intent log block, failure is expected. */
2811 2702 if (zb->zb_level == ZB_ZIL_LEVEL)
2812 2703 flags |= ZIO_FLAG_SPECULATIVE;
2813 2704
2814 2705 mutex_enter(&spa->spa_scrub_lock);
2815 2706 while (spa->spa_scrub_inflight > max_inflight)
2816 2707 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock);
2817 2708 spa->spa_scrub_inflight++;
2818 2709 mutex_exit(&spa->spa_scrub_lock);
2819 2710
2820 2711 zio_nowait(zio_read(NULL, spa, bp, abd, size,
2821 2712 zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb));
2822 2713 }
2823 2714
2824 2715 zcb->zcb_readfails = 0;
2825 2716
2826 2717 /* only call gethrtime() every 100 blocks */
2827 2718 static int iters;
2828 2719 if (++iters > 100)
2829 2720 iters = 0;
2830 2721 else
2831 2722 return (0);
2832 2723
2833 2724 if (dump_opt['b'] < 5 && gethrtime() > zcb->zcb_lastprint + NANOSEC) {
2834 2725 uint64_t now = gethrtime();
2835 2726 char buf[10];
2836 2727 uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize;
2837 2728 int kb_per_sec =
2838 2729 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000));
2839 2730 int sec_remaining =
2840 2731 (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec;
2841 2732
2842 2733 /* make sure nicenum has enough space */
2843 2734 CTASSERT(sizeof (buf) >= NN_NUMBUF_SZ);
2844 2735
2845 2736 zfs_nicenum(bytes, buf, sizeof (buf));
2846 2737 (void) fprintf(stderr,
2847 2738 "\r%5s completed (%4dMB/s) "
2848 2739 "estimated time remaining: %uhr %02umin %02usec ",
2849 2740 buf, kb_per_sec / 1024,
2850 2741 sec_remaining / 60 / 60,
2851 2742 sec_remaining / 60 % 60,
2852 2743 sec_remaining % 60);
2853 2744
2854 2745 zcb->zcb_lastprint = now;
2855 2746 }
2856 2747
2857 2748 return (0);
2858 2749 }
2859 2750
2860 2751 static void
2861 2752 zdb_leak(void *arg, uint64_t start, uint64_t size)
2862 2753 {
2863 2754 vdev_t *vd = arg;
2864 2755
2865 2756 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2866 2757 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2867 2758 }
2868 2759
2869 2760 static metaslab_ops_t zdb_metaslab_ops = {
2870 2761 NULL /* alloc */
2871 2762 };
2872 2763
2873 2764 static void
2874 2765 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2875 2766 {
2876 2767 ddt_bookmark_t ddb;
2877 2768 ddt_entry_t dde;
2878 2769 int error;
2879 2770
2880 2771 bzero(&ddb, sizeof (ddb));
2881 2772 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2882 2773 blkptr_t blk;
2883 2774 ddt_phys_t *ddp = dde.dde_phys;
2884 2775
2885 2776 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2886 2777 return;
2887 2778
2888 2779 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2889 2780
2890 2781 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2891 2782 if (ddp->ddp_phys_birth == 0)
2892 2783 continue;
2893 2784 ddt_bp_create(ddb.ddb_checksum,
2894 2785 &dde.dde_key, ddp, &blk);
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2895 2786 if (p == DDT_PHYS_DITTO) {
2896 2787 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2897 2788 } else {
2898 2789 zcb->zcb_dedup_asize +=
2899 2790 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2900 2791 zcb->zcb_dedup_blocks++;
2901 2792 }
2902 2793 }
2903 2794 if (!dump_opt['L']) {
2904 2795 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2905 - ddt_enter(ddt);
2906 - VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2907 - ddt_exit(ddt);
2796 + ddt_entry_t *dde;
2797 + VERIFY((dde = ddt_lookup(ddt, &blk, B_TRUE)) != NULL);
2798 + dde_exit(dde);
2908 2799 }
2909 2800 }
2910 2801
2911 2802 ASSERT(error == ENOENT);
2912 2803 }
2913 2804
2914 -/* ARGSUSED */
2915 2805 static void
2916 -claim_segment_impl_cb(uint64_t inner_offset, vdev_t *vd, uint64_t offset,
2917 - uint64_t size, void *arg)
2918 -{
2919 - /*
2920 - * This callback was called through a remap from
2921 - * a device being removed. Therefore, the vdev that
2922 - * this callback is applied to is a concrete
2923 - * vdev.
2924 - */
2925 - ASSERT(vdev_is_concrete(vd));
2926 -
2927 - VERIFY0(metaslab_claim_impl(vd, offset, size,
2928 - spa_first_txg(vd->vdev_spa)));
2929 -}
2930 -
2931 -static void
2932 -claim_segment_cb(void *arg, uint64_t offset, uint64_t size)
2933 -{
2934 - vdev_t *vd = arg;
2935 -
2936 - vdev_indirect_ops.vdev_op_remap(vd, offset, size,
2937 - claim_segment_impl_cb, NULL);
2938 -}
2939 -
2940 -/*
2941 - * After accounting for all allocated blocks that are directly referenced,
2942 - * we might have missed a reference to a block from a partially complete
2943 - * (and thus unused) indirect mapping object. We perform a secondary pass
2944 - * through the metaslabs we have already mapped and claim the destination
2945 - * blocks.
2946 - */
2947 -static void
2948 -zdb_claim_removing(spa_t *spa, zdb_cb_t *zcb)
2949 -{
2950 - if (spa->spa_vdev_removal == NULL)
2951 - return;
2952 -
2953 - spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2954 -
2955 - spa_vdev_removal_t *svr = spa->spa_vdev_removal;
2956 - vdev_t *vd = svr->svr_vdev;
2957 - vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
2958 -
2959 - for (uint64_t msi = 0; msi < vd->vdev_ms_count; msi++) {
2960 - metaslab_t *msp = vd->vdev_ms[msi];
2961 -
2962 - if (msp->ms_start >= vdev_indirect_mapping_max_offset(vim))
2963 - break;
2964 -
2965 - ASSERT0(range_tree_space(svr->svr_allocd_segs));
2966 -
2967 - if (msp->ms_sm != NULL) {
2968 - VERIFY0(space_map_load(msp->ms_sm,
2969 - svr->svr_allocd_segs, SM_ALLOC));
2970 -
2971 - /*
2972 - * Clear everything past what has been synced,
2973 - * because we have not allocated mappings for it yet.
2974 - */
2975 - range_tree_clear(svr->svr_allocd_segs,
2976 - vdev_indirect_mapping_max_offset(vim),
2977 - msp->ms_sm->sm_start + msp->ms_sm->sm_size -
2978 - vdev_indirect_mapping_max_offset(vim));
2979 - }
2980 -
2981 - zcb->zcb_removing_size +=
2982 - range_tree_space(svr->svr_allocd_segs);
2983 - range_tree_vacate(svr->svr_allocd_segs, claim_segment_cb, vd);
2984 - }
2985 -
2986 - spa_config_exit(spa, SCL_CONFIG, FTAG);
2987 -}
2988 -
2989 -/*
2990 - * vm_idxp is an in-out parameter which (for indirect vdevs) is the
2991 - * index in vim_entries that has the first entry in this metaslab. On
2992 - * return, it will be set to the first entry after this metaslab.
2993 - */
2994 -static void
2995 -zdb_leak_init_ms(metaslab_t *msp, uint64_t *vim_idxp)
2996 -{
2997 - metaslab_group_t *mg = msp->ms_group;
2998 - vdev_t *vd = mg->mg_vd;
2999 - vdev_t *rvd = vd->vdev_spa->spa_root_vdev;
3000 -
3001 - mutex_enter(&msp->ms_lock);
3002 - metaslab_unload(msp);
3003 -
3004 - /*
3005 - * We don't want to spend the CPU manipulating the size-ordered
3006 - * tree, so clear the range_tree ops.
3007 - */
3008 - msp->ms_tree->rt_ops = NULL;
3009 -
3010 - (void) fprintf(stderr,
3011 - "\rloading vdev %llu of %llu, metaslab %llu of %llu ...",
3012 - (longlong_t)vd->vdev_id,
3013 - (longlong_t)rvd->vdev_children,
3014 - (longlong_t)msp->ms_id,
3015 - (longlong_t)vd->vdev_ms_count);
3016 -
3017 - /*
3018 - * For leak detection, we overload the metaslab ms_tree to
3019 - * contain allocated segments instead of free segments. As a
3020 - * result, we can't use the normal metaslab_load/unload
3021 - * interfaces.
3022 - */
3023 - if (vd->vdev_ops == &vdev_indirect_ops) {
3024 - vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
3025 - for (; *vim_idxp < vdev_indirect_mapping_num_entries(vim);
3026 - (*vim_idxp)++) {
3027 - vdev_indirect_mapping_entry_phys_t *vimep =
3028 - &vim->vim_entries[*vim_idxp];
3029 - uint64_t ent_offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
3030 - uint64_t ent_len = DVA_GET_ASIZE(&vimep->vimep_dst);
3031 - ASSERT3U(ent_offset, >=, msp->ms_start);
3032 - if (ent_offset >= msp->ms_start + msp->ms_size)
3033 - break;
3034 -
3035 - /*
3036 - * Mappings do not cross metaslab boundaries,
3037 - * because we create them by walking the metaslabs.
3038 - */
3039 - ASSERT3U(ent_offset + ent_len, <=,
3040 - msp->ms_start + msp->ms_size);
3041 - range_tree_add(msp->ms_tree, ent_offset, ent_len);
3042 - }
3043 - } else if (msp->ms_sm != NULL) {
3044 - VERIFY0(space_map_load(msp->ms_sm, msp->ms_tree, SM_ALLOC));
3045 - }
3046 -
3047 - if (!msp->ms_loaded) {
3048 - msp->ms_loaded = B_TRUE;
3049 - }
3050 - mutex_exit(&msp->ms_lock);
3051 -}
3052 -
3053 -/* ARGSUSED */
3054 -static int
3055 -increment_indirect_mapping_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
3056 -{
3057 - zdb_cb_t *zcb = arg;
3058 - spa_t *spa = zcb->zcb_spa;
3059 - vdev_t *vd;
3060 - const dva_t *dva = &bp->blk_dva[0];
3061 -
3062 - ASSERT(!dump_opt['L']);
3063 - ASSERT3U(BP_GET_NDVAS(bp), ==, 1);
3064 -
3065 - spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
3066 - vd = vdev_lookup_top(zcb->zcb_spa, DVA_GET_VDEV(dva));
3067 - ASSERT3P(vd, !=, NULL);
3068 - spa_config_exit(spa, SCL_VDEV, FTAG);
3069 -
3070 - ASSERT(vd->vdev_indirect_config.vic_mapping_object != 0);
3071 - ASSERT3P(zcb->zcb_vd_obsolete_counts[vd->vdev_id], !=, NULL);
3072 -
3073 - vdev_indirect_mapping_increment_obsolete_count(
3074 - vd->vdev_indirect_mapping,
3075 - DVA_GET_OFFSET(dva), DVA_GET_ASIZE(dva),
3076 - zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
3077 -
3078 - return (0);
3079 -}
3080 -
3081 -static uint32_t *
3082 -zdb_load_obsolete_counts(vdev_t *vd)
3083 -{
3084 - vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
3085 - spa_t *spa = vd->vdev_spa;
3086 - spa_condensing_indirect_phys_t *scip =
3087 - &spa->spa_condensing_indirect_phys;
3088 - uint32_t *counts;
3089 -
3090 - EQUIV(vdev_obsolete_sm_object(vd) != 0, vd->vdev_obsolete_sm != NULL);
3091 - counts = vdev_indirect_mapping_load_obsolete_counts(vim);
3092 - if (vd->vdev_obsolete_sm != NULL) {
3093 - vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
3094 - vd->vdev_obsolete_sm);
3095 - }
3096 - if (scip->scip_vdev == vd->vdev_id &&
3097 - scip->scip_prev_obsolete_sm_object != 0) {
3098 - space_map_t *prev_obsolete_sm = NULL;
3099 - VERIFY0(space_map_open(&prev_obsolete_sm, spa->spa_meta_objset,
3100 - scip->scip_prev_obsolete_sm_object, 0, vd->vdev_asize, 0));
3101 - space_map_update(prev_obsolete_sm);
3102 - vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
3103 - prev_obsolete_sm);
3104 - space_map_close(prev_obsolete_sm);
3105 - }
3106 - return (counts);
3107 -}
3108 -
3109 -static void
3110 2806 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
3111 2807 {
3112 2808 zcb->zcb_spa = spa;
3113 2809
3114 2810 if (!dump_opt['L']) {
3115 - dsl_pool_t *dp = spa->spa_dsl_pool;
3116 2811 vdev_t *rvd = spa->spa_root_vdev;
3117 2812
3118 2813 /*
3119 2814 * We are going to be changing the meaning of the metaslab's
3120 2815 * ms_tree. Ensure that the allocator doesn't try to
3121 2816 * use the tree.
3122 2817 */
3123 2818 spa->spa_normal_class->mc_ops = &zdb_metaslab_ops;
3124 2819 spa->spa_log_class->mc_ops = &zdb_metaslab_ops;
3125 2820
3126 - zcb->zcb_vd_obsolete_counts =
3127 - umem_zalloc(rvd->vdev_children * sizeof (uint32_t *),
3128 - UMEM_NOFAIL);
3129 -
3130 -
3131 2821 for (uint64_t c = 0; c < rvd->vdev_children; c++) {
3132 2822 vdev_t *vd = rvd->vdev_child[c];
3133 - uint64_t vim_idx = 0;
2823 + metaslab_group_t *mg = vd->vdev_mg;
2824 + for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
2825 + metaslab_t *msp = vd->vdev_ms[m];
2826 + ASSERT3P(msp->ms_group, ==, mg);
2827 + mutex_enter(&msp->ms_lock);
2828 + metaslab_unload(msp);
3134 2829
3135 - ASSERT3U(c, ==, vd->vdev_id);
3136 -
3137 - /*
3138 - * Note: we don't check for mapping leaks on
3139 - * removing vdevs because their ms_tree's are
3140 - * used to look for leaks in allocated space.
3141 - */
3142 - if (vd->vdev_ops == &vdev_indirect_ops) {
3143 - zcb->zcb_vd_obsolete_counts[c] =
3144 - zdb_load_obsolete_counts(vd);
3145 -
3146 2830 /*
3147 - * Normally, indirect vdevs don't have any
3148 - * metaslabs. We want to set them up for
3149 - * zio_claim().
2831 + * For leak detection, we overload the metaslab
2832 + * ms_tree to contain allocated segments
2833 + * instead of free segments. As a result,
2834 + * we can't use the normal metaslab_load/unload
2835 + * interfaces.
3150 2836 */
3151 - VERIFY0(vdev_metaslab_init(vd, 0));
3152 - }
2837 + if (msp->ms_sm != NULL) {
2838 + (void) fprintf(stderr,
2839 + "\rloading space map for "
2840 + "vdev %llu of %llu, "
2841 + "metaslab %llu of %llu ...",
2842 + (longlong_t)c,
2843 + (longlong_t)rvd->vdev_children,
2844 + (longlong_t)m,
2845 + (longlong_t)vd->vdev_ms_count);
3153 2846
3154 - for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
3155 - zdb_leak_init_ms(vd->vdev_ms[m], &vim_idx);
2847 + /*
2848 + * We don't want to spend the CPU
2849 + * manipulating the size-ordered
2850 + * tree, so clear the range_tree
2851 + * ops.
2852 + */
2853 + msp->ms_tree->rt_ops = NULL;
2854 + VERIFY0(space_map_load(msp->ms_sm,
2855 + msp->ms_tree, SM_ALLOC));
2856 +
2857 + if (!msp->ms_loaded) {
2858 + msp->ms_loaded = B_TRUE;
2859 + }
2860 + }
2861 + mutex_exit(&msp->ms_lock);
3156 2862 }
3157 - if (vd->vdev_ops == &vdev_indirect_ops) {
3158 - ASSERT3U(vim_idx, ==,
3159 - vdev_indirect_mapping_num_entries(
3160 - vd->vdev_indirect_mapping));
3161 - }
3162 2863 }
3163 2864 (void) fprintf(stderr, "\n");
3164 -
3165 - if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
3166 - ASSERT(spa_feature_is_enabled(spa,
3167 - SPA_FEATURE_DEVICE_REMOVAL));
3168 - (void) bpobj_iterate_nofree(&dp->dp_obsolete_bpobj,
3169 - increment_indirect_mapping_cb, zcb, NULL);
3170 - }
3171 2865 }
3172 2866
3173 2867 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
3174 2868
3175 2869 zdb_ddt_leak_init(spa, zcb);
3176 2870
3177 2871 spa_config_exit(spa, SCL_CONFIG, FTAG);
3178 2872 }
3179 2873
3180 -static boolean_t
3181 -zdb_check_for_obsolete_leaks(vdev_t *vd, zdb_cb_t *zcb)
2874 +static void
2875 +zdb_leak_fini(spa_t *spa)
3182 2876 {
3183 - boolean_t leaks = B_FALSE;
3184 - vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
3185 - uint64_t total_leaked = 0;
3186 -
3187 - ASSERT(vim != NULL);
3188 -
3189 - for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) {
3190 - vdev_indirect_mapping_entry_phys_t *vimep =
3191 - &vim->vim_entries[i];
3192 - uint64_t obsolete_bytes = 0;
3193 - uint64_t offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
3194 - metaslab_t *msp = vd->vdev_ms[offset >> vd->vdev_ms_shift];
3195 -
3196 - /*
3197 - * This is not very efficient but it's easy to
3198 - * verify correctness.
3199 - */
3200 - for (uint64_t inner_offset = 0;
3201 - inner_offset < DVA_GET_ASIZE(&vimep->vimep_dst);
3202 - inner_offset += 1 << vd->vdev_ashift) {
3203 - if (range_tree_contains(msp->ms_tree,
3204 - offset + inner_offset, 1 << vd->vdev_ashift)) {
3205 - obsolete_bytes += 1 << vd->vdev_ashift;
3206 - }
3207 - }
3208 -
3209 - int64_t bytes_leaked = obsolete_bytes -
3210 - zcb->zcb_vd_obsolete_counts[vd->vdev_id][i];
3211 - ASSERT3U(DVA_GET_ASIZE(&vimep->vimep_dst), >=,
3212 - zcb->zcb_vd_obsolete_counts[vd->vdev_id][i]);
3213 - if (bytes_leaked != 0 &&
3214 - (vdev_obsolete_counts_are_precise(vd) ||
3215 - dump_opt['d'] >= 5)) {
3216 - (void) printf("obsolete indirect mapping count "
3217 - "mismatch on %llu:%llx:%llx : %llx bytes leaked\n",
3218 - (u_longlong_t)vd->vdev_id,
3219 - (u_longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep),
3220 - (u_longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
3221 - (u_longlong_t)bytes_leaked);
3222 - }
3223 - total_leaked += ABS(bytes_leaked);
3224 - }
3225 -
3226 - if (!vdev_obsolete_counts_are_precise(vd) && total_leaked > 0) {
3227 - int pct_leaked = total_leaked * 100 /
3228 - vdev_indirect_mapping_bytes_mapped(vim);
3229 - (void) printf("cannot verify obsolete indirect mapping "
3230 - "counts of vdev %llu because precise feature was not "
3231 - "enabled when it was removed: %d%% (%llx bytes) of mapping"
3232 - "unreferenced\n",
3233 - (u_longlong_t)vd->vdev_id, pct_leaked,
3234 - (u_longlong_t)total_leaked);
3235 - } else if (total_leaked > 0) {
3236 - (void) printf("obsolete indirect mapping count mismatch "
3237 - "for vdev %llu -- %llx total bytes mismatched\n",
3238 - (u_longlong_t)vd->vdev_id,
3239 - (u_longlong_t)total_leaked);
3240 - leaks |= B_TRUE;
3241 - }
3242 -
3243 - vdev_indirect_mapping_free_obsolete_counts(vim,
3244 - zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
3245 - zcb->zcb_vd_obsolete_counts[vd->vdev_id] = NULL;
3246 -
3247 - return (leaks);
3248 -}
3249 -
3250 -static boolean_t
3251 -zdb_leak_fini(spa_t *spa, zdb_cb_t *zcb)
3252 -{
3253 - boolean_t leaks = B_FALSE;
3254 2877 if (!dump_opt['L']) {
3255 2878 vdev_t *rvd = spa->spa_root_vdev;
3256 2879 for (unsigned c = 0; c < rvd->vdev_children; c++) {
3257 2880 vdev_t *vd = rvd->vdev_child[c];
3258 2881 metaslab_group_t *mg = vd->vdev_mg;
3259 -
3260 - if (zcb->zcb_vd_obsolete_counts[c] != NULL) {
3261 - leaks |= zdb_check_for_obsolete_leaks(vd, zcb);
3262 - }
3263 -
3264 - for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
2882 + for (unsigned m = 0; m < vd->vdev_ms_count; m++) {
3265 2883 metaslab_t *msp = vd->vdev_ms[m];
3266 2884 ASSERT3P(mg, ==, msp->ms_group);
2885 + mutex_enter(&msp->ms_lock);
3267 2886
3268 2887 /*
3269 2888 * The ms_tree has been overloaded to
3270 2889 * contain allocated segments. Now that we
3271 2890 * finished traversing all blocks, any
3272 2891 * block that remains in the ms_tree
3273 2892 * represents an allocated block that we
3274 2893 * did not claim during the traversal.
3275 2894 * Claimed blocks would have been removed
3276 - * from the ms_tree. For indirect vdevs,
3277 - * space remaining in the tree represents
3278 - * parts of the mapping that are not
3279 - * referenced, which is not a bug.
2895 + * from the ms_tree.
3280 2896 */
3281 - if (vd->vdev_ops == &vdev_indirect_ops) {
3282 - range_tree_vacate(msp->ms_tree,
3283 - NULL, NULL);
3284 - } else {
3285 - range_tree_vacate(msp->ms_tree,
3286 - zdb_leak, vd);
3287 - }
2897 + range_tree_vacate(msp->ms_tree, zdb_leak, vd);
3288 2898
3289 2899 if (msp->ms_loaded) {
3290 2900 msp->ms_loaded = B_FALSE;
3291 2901 }
2902 +
2903 + mutex_exit(&msp->ms_lock);
3292 2904 }
3293 2905 }
3294 -
3295 - umem_free(zcb->zcb_vd_obsolete_counts,
3296 - rvd->vdev_children * sizeof (uint32_t *));
3297 - zcb->zcb_vd_obsolete_counts = NULL;
3298 2906 }
3299 - return (leaks);
3300 2907 }
3301 2908
3302 2909 /* ARGSUSED */
3303 2910 static int
3304 2911 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
3305 2912 {
3306 2913 zdb_cb_t *zcb = arg;
3307 2914
3308 2915 if (dump_opt['b'] >= 5) {
3309 2916 char blkbuf[BP_SPRINTF_LEN];
3310 2917 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
3311 2918 (void) printf("[%s] %s\n",
3312 2919 "deferred free", blkbuf);
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3313 2920 }
3314 2921 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
3315 2922 return (0);
3316 2923 }
3317 2924
3318 2925 static int
3319 2926 dump_block_stats(spa_t *spa)
3320 2927 {
3321 2928 zdb_cb_t zcb;
3322 2929 zdb_blkstats_t *zb, *tzb;
3323 - uint64_t norm_alloc, norm_space, total_alloc, total_found;
2930 + uint64_t norm_alloc, spec_alloc, norm_space, total_alloc, total_found;
3324 2931 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
3325 2932 boolean_t leaks = B_FALSE;
3326 2933
3327 2934 bzero(&zcb, sizeof (zcb));
3328 2935 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
3329 2936 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
3330 2937 (dump_opt['c'] == 1) ? "metadata " : "",
3331 2938 dump_opt['c'] ? "checksums " : "",
3332 2939 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
3333 2940 !dump_opt['L'] ? "nothing leaked " : "");
3334 2941
3335 2942 /*
3336 2943 * Load all space maps as SM_ALLOC maps, then traverse the pool
3337 2944 * claiming each block we discover. If the pool is perfectly
3338 2945 * consistent, the space maps will be empty when we're done.
3339 2946 * Anything left over is a leak; any block we can't claim (because
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3340 2947 * it's not part of any space map) is a double allocation,
3341 2948 * reference to a freed block, or an unclaimed log block.
3342 2949 */
3343 2950 zdb_leak_init(spa, &zcb);
3344 2951
3345 2952 /*
3346 2953 * If there's a deferred-free bplist, process that first.
3347 2954 */
3348 2955 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
3349 2956 count_block_cb, &zcb, NULL);
3350 -
3351 2957 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
3352 2958 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
3353 2959 count_block_cb, &zcb, NULL);
3354 2960 }
3355 -
3356 - zdb_claim_removing(spa, &zcb);
3357 -
3358 2961 if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) {
3359 2962 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
3360 2963 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
3361 2964 &zcb, NULL));
3362 2965 }
3363 2966
3364 2967 if (dump_opt['c'] > 1)
3365 2968 flags |= TRAVERSE_PREFETCH_DATA;
3366 2969
3367 2970 zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa));
3368 2971 zcb.zcb_start = zcb.zcb_lastprint = gethrtime();
3369 - zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2972 + zcb.zcb_haderrors |= traverse_pool(spa, 0, UINT64_MAX,
2973 + flags, zdb_blkptr_cb, &zcb, NULL);
3370 2974
3371 2975 /*
3372 2976 * If we've traversed the data blocks then we need to wait for those
3373 2977 * I/Os to complete. We leverage "The Godfather" zio to wait on
3374 2978 * all async I/Os to complete.
3375 2979 */
3376 2980 if (dump_opt['c']) {
3377 2981 for (int i = 0; i < max_ncpus; i++) {
3378 2982 (void) zio_wait(spa->spa_async_zio_root[i]);
3379 2983 spa->spa_async_zio_root[i] = zio_root(spa, NULL, NULL,
3380 2984 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE |
3381 2985 ZIO_FLAG_GODFATHER);
3382 2986 }
3383 2987 }
3384 2988
3385 2989 if (zcb.zcb_haderrors) {
3386 2990 (void) printf("\nError counts:\n\n");
3387 2991 (void) printf("\t%5s %s\n", "errno", "count");
3388 2992 for (int e = 0; e < 256; e++) {
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3389 2993 if (zcb.zcb_errors[e] != 0) {
3390 2994 (void) printf("\t%5d %llu\n",
3391 2995 e, (u_longlong_t)zcb.zcb_errors[e]);
3392 2996 }
3393 2997 }
3394 2998 }
3395 2999
3396 3000 /*
3397 3001 * Report any leaked segments.
3398 3002 */
3399 - leaks |= zdb_leak_fini(spa, &zcb);
3003 + zdb_leak_fini(spa);
3400 3004
3401 3005 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
3402 3006
3403 3007 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
3008 + spec_alloc = metaslab_class_get_alloc(spa_special_class(spa));
3404 3009 norm_space = metaslab_class_get_space(spa_normal_class(spa));
3405 3010
3011 + norm_alloc += spec_alloc;
3406 3012 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
3407 - total_found = tzb->zb_asize - zcb.zcb_dedup_asize +
3408 - zcb.zcb_removing_size;
3013 + total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
3409 3014
3410 3015 if (total_found == total_alloc) {
3411 3016 if (!dump_opt['L'])
3412 3017 (void) printf("\n\tNo leaks (block sum matches space"
3413 3018 " maps exactly)\n");
3414 3019 } else {
3415 3020 (void) printf("block traversal size %llu != alloc %llu "
3416 3021 "(%s %lld)\n",
3417 3022 (u_longlong_t)total_found,
3418 3023 (u_longlong_t)total_alloc,
3419 3024 (dump_opt['L']) ? "unreachable" : "leaked",
3420 3025 (longlong_t)(total_alloc - total_found));
3421 3026 leaks = B_TRUE;
3422 3027 }
3423 3028
3424 3029 if (tzb->zb_count == 0)
3425 3030 return (2);
3426 3031
3427 3032 (void) printf("\n");
3428 3033 (void) printf("\tbp count: %10llu\n",
3429 3034 (u_longlong_t)tzb->zb_count);
3430 3035 (void) printf("\tganged count: %10llu\n",
3431 3036 (longlong_t)tzb->zb_gangs);
3432 3037 (void) printf("\tbp logical: %10llu avg: %6llu\n",
3433 3038 (u_longlong_t)tzb->zb_lsize,
3434 3039 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
3435 3040 (void) printf("\tbp physical: %10llu avg:"
3436 3041 " %6llu compression: %6.2f\n",
3437 3042 (u_longlong_t)tzb->zb_psize,
3438 3043 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
3439 3044 (double)tzb->zb_lsize / tzb->zb_psize);
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3440 3045 (void) printf("\tbp allocated: %10llu avg:"
3441 3046 " %6llu compression: %6.2f\n",
3442 3047 (u_longlong_t)tzb->zb_asize,
3443 3048 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
3444 3049 (double)tzb->zb_lsize / tzb->zb_asize);
3445 3050 (void) printf("\tbp deduped: %10llu ref>1:"
3446 3051 " %6llu deduplication: %6.2f\n",
3447 3052 (u_longlong_t)zcb.zcb_dedup_asize,
3448 3053 (u_longlong_t)zcb.zcb_dedup_blocks,
3449 3054 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
3055 + if (spec_alloc != 0) {
3056 + (void) printf("\tspecial allocated: %10llu\n",
3057 + (u_longlong_t)spec_alloc);
3058 + }
3450 3059 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
3451 3060 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
3452 3061
3453 3062 for (bp_embedded_type_t i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) {
3454 3063 if (zcb.zcb_embedded_blocks[i] == 0)
3455 3064 continue;
3456 3065 (void) printf("\n");
3457 3066 (void) printf("\tadditional, non-pointer bps of type %u: "
3458 3067 "%10llu\n",
3459 3068 i, (u_longlong_t)zcb.zcb_embedded_blocks[i]);
3460 3069
3461 3070 if (dump_opt['b'] >= 3) {
3462 3071 (void) printf("\t number of (compressed) bytes: "
3463 3072 "number of bps\n");
3464 3073 dump_histogram(zcb.zcb_embedded_histogram[i],
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3465 3074 sizeof (zcb.zcb_embedded_histogram[i]) /
3466 3075 sizeof (zcb.zcb_embedded_histogram[i][0]), 0);
3467 3076 }
3468 3077 }
3469 3078
3470 3079 if (tzb->zb_ditto_samevdev != 0) {
3471 3080 (void) printf("\tDittoed blocks on same vdev: %llu\n",
3472 3081 (longlong_t)tzb->zb_ditto_samevdev);
3473 3082 }
3474 3083
3475 - for (uint64_t v = 0; v < spa->spa_root_vdev->vdev_children; v++) {
3476 - vdev_t *vd = spa->spa_root_vdev->vdev_child[v];
3477 - vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
3478 -
3479 - if (vim == NULL) {
3480 - continue;
3481 - }
3482 -
3483 - char mem[32];
3484 - zdb_nicenum(vdev_indirect_mapping_num_entries(vim),
3485 - mem, vdev_indirect_mapping_size(vim));
3486 -
3487 - (void) printf("\tindirect vdev id %llu has %llu segments "
3488 - "(%s in memory)\n",
3489 - (longlong_t)vd->vdev_id,
3490 - (longlong_t)vdev_indirect_mapping_num_entries(vim), mem);
3491 - }
3492 -
3493 3084 if (dump_opt['b'] >= 2) {
3494 3085 int l, t, level;
3495 3086 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
3496 3087 "\t avg\t comp\t%%Total\tType\n");
3497 3088
3498 3089 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
3499 3090 char csize[32], lsize[32], psize[32], asize[32];
3500 3091 char avg[32], gang[32];
3501 3092 const char *typename;
3502 3093
3503 3094 /* make sure nicenum has enough space */
3504 3095 CTASSERT(sizeof (csize) >= NN_NUMBUF_SZ);
3505 3096 CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
3506 3097 CTASSERT(sizeof (psize) >= NN_NUMBUF_SZ);
3507 3098 CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
3508 3099 CTASSERT(sizeof (avg) >= NN_NUMBUF_SZ);
3509 3100 CTASSERT(sizeof (gang) >= NN_NUMBUF_SZ);
3510 3101
3511 3102 if (t < DMU_OT_NUMTYPES)
3512 3103 typename = dmu_ot[t].ot_name;
3513 3104 else
3514 3105 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
3515 3106
3516 3107 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
3517 3108 (void) printf("%6s\t%5s\t%5s\t%5s"
3518 3109 "\t%5s\t%5s\t%6s\t%s\n",
3519 3110 "-",
3520 3111 "-",
3521 3112 "-",
3522 3113 "-",
3523 3114 "-",
3524 3115 "-",
3525 3116 "-",
3526 3117 typename);
3527 3118 continue;
3528 3119 }
3529 3120
3530 3121 for (l = ZB_TOTAL - 1; l >= -1; l--) {
3531 3122 level = (l == -1 ? ZB_TOTAL : l);
3532 3123 zb = &zcb.zcb_type[level][t];
3533 3124
3534 3125 if (zb->zb_asize == 0)
3535 3126 continue;
3536 3127
3537 3128 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
3538 3129 continue;
3539 3130
3540 3131 if (level == 0 && zb->zb_asize ==
3541 3132 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
3542 3133 continue;
3543 3134
3544 3135 zdb_nicenum(zb->zb_count, csize,
3545 3136 sizeof (csize));
3546 3137 zdb_nicenum(zb->zb_lsize, lsize,
3547 3138 sizeof (lsize));
3548 3139 zdb_nicenum(zb->zb_psize, psize,
3549 3140 sizeof (psize));
3550 3141 zdb_nicenum(zb->zb_asize, asize,
3551 3142 sizeof (asize));
3552 3143 zdb_nicenum(zb->zb_asize / zb->zb_count, avg,
3553 3144 sizeof (avg));
3554 3145 zdb_nicenum(zb->zb_gangs, gang, sizeof (gang));
3555 3146
3556 3147 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
3557 3148 "\t%5.2f\t%6.2f\t",
3558 3149 csize, lsize, psize, asize, avg,
3559 3150 (double)zb->zb_lsize / zb->zb_psize,
3560 3151 100.0 * zb->zb_asize / tzb->zb_asize);
3561 3152
3562 3153 if (level == ZB_TOTAL)
3563 3154 (void) printf("%s\n", typename);
3564 3155 else
3565 3156 (void) printf(" L%d %s\n",
3566 3157 level, typename);
3567 3158
3568 3159 if (dump_opt['b'] >= 3 && zb->zb_gangs > 0) {
3569 3160 (void) printf("\t number of ganged "
3570 3161 "blocks: %s\n", gang);
3571 3162 }
3572 3163
3573 3164 if (dump_opt['b'] >= 4) {
3574 3165 (void) printf("psize "
3575 3166 "(in 512-byte sectors): "
3576 3167 "number of blocks\n");
3577 3168 dump_histogram(zb->zb_psize_histogram,
3578 3169 PSIZE_HISTO_SIZE, 0);
3579 3170 }
3580 3171 }
3581 3172 }
3582 3173 }
3583 3174
3584 3175 (void) printf("\n");
3585 3176
3586 3177 if (leaks)
3587 3178 return (2);
3588 3179
3589 3180 if (zcb.zcb_haderrors)
3590 3181 return (3);
3591 3182
3592 3183 return (0);
3593 3184 }
3594 3185
3595 3186 typedef struct zdb_ddt_entry {
3596 3187 ddt_key_t zdde_key;
3597 3188 uint64_t zdde_ref_blocks;
3598 3189 uint64_t zdde_ref_lsize;
3599 3190 uint64_t zdde_ref_psize;
3600 3191 uint64_t zdde_ref_dsize;
3601 3192 avl_node_t zdde_node;
3602 3193 } zdb_ddt_entry_t;
3603 3194
3604 3195 /* ARGSUSED */
3605 3196 static int
3606 3197 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
3607 3198 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
3608 3199 {
3609 3200 avl_tree_t *t = arg;
3610 3201 avl_index_t where;
3611 3202 zdb_ddt_entry_t *zdde, zdde_search;
3612 3203
3613 3204 if (bp == NULL || BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp))
3614 3205 return (0);
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3615 3206
3616 3207 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
3617 3208 (void) printf("traversing objset %llu, %llu objects, "
3618 3209 "%lu blocks so far\n",
3619 3210 (u_longlong_t)zb->zb_objset,
3620 3211 (u_longlong_t)BP_GET_FILL(bp),
3621 3212 avl_numnodes(t));
3622 3213 }
3623 3214
3624 3215 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
3625 - BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
3216 + BP_IS_METADATA(bp))
3626 3217 return (0);
3627 3218
3628 3219 ddt_key_fill(&zdde_search.zdde_key, bp);
3629 3220
3630 3221 zdde = avl_find(t, &zdde_search, &where);
3631 3222
3632 3223 if (zdde == NULL) {
3633 3224 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
3634 3225 zdde->zdde_key = zdde_search.zdde_key;
3635 3226 avl_insert(t, zdde, where);
3636 3227 }
3637 3228
3638 3229 zdde->zdde_ref_blocks += 1;
3639 3230 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
3640 3231 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
3641 3232 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
3642 3233
3643 3234 return (0);
3644 3235 }
3645 3236
3646 3237 static void
3647 3238 dump_simulated_ddt(spa_t *spa)
3648 3239 {
3649 3240 avl_tree_t t;
3650 3241 void *cookie = NULL;
3651 3242 zdb_ddt_entry_t *zdde;
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3652 3243 ddt_histogram_t ddh_total;
3653 3244 ddt_stat_t dds_total;
3654 3245
3655 3246 bzero(&ddh_total, sizeof (ddh_total));
3656 3247 bzero(&dds_total, sizeof (dds_total));
3657 3248 avl_create(&t, ddt_entry_compare,
3658 3249 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
3659 3250
3660 3251 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
3661 3252
3662 - (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
3663 - zdb_ddt_add_cb, &t);
3253 + (void) traverse_pool(spa, 0, UINT64_MAX,
3254 + TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
3255 + zdb_ddt_add_cb, &t, NULL);
3664 3256
3665 3257 spa_config_exit(spa, SCL_CONFIG, FTAG);
3666 3258
3667 3259 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
3668 3260 ddt_stat_t dds;
3669 3261 uint64_t refcnt = zdde->zdde_ref_blocks;
3670 3262 ASSERT(refcnt != 0);
3671 3263
3672 3264 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
3673 3265 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
3674 3266 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
3675 3267 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
3676 3268
3677 3269 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
3678 3270 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
3679 3271 dds.dds_ref_psize = zdde->zdde_ref_psize;
3680 3272 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
3681 3273
3682 3274 ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1],
3683 3275 &dds, 0);
3684 3276
3685 3277 umem_free(zdde, sizeof (*zdde));
3686 3278 }
3687 3279
3688 3280 avl_destroy(&t);
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3689 3281
3690 3282 ddt_histogram_stat(&dds_total, &ddh_total);
3691 3283
3692 3284 (void) printf("Simulated DDT histogram:\n");
3693 3285
3694 3286 zpool_dump_ddt(&dds_total, &ddh_total);
3695 3287
3696 3288 dump_dedup_ratio(&dds_total);
3697 3289 }
3698 3290
3699 -static int
3700 -verify_device_removal_feature_counts(spa_t *spa)
3701 -{
3702 - uint64_t dr_feature_refcount = 0;
3703 - uint64_t oc_feature_refcount = 0;
3704 - uint64_t indirect_vdev_count = 0;
3705 - uint64_t precise_vdev_count = 0;
3706 - uint64_t obsolete_counts_object_count = 0;
3707 - uint64_t obsolete_sm_count = 0;
3708 - uint64_t obsolete_counts_count = 0;
3709 - uint64_t scip_count = 0;
3710 - uint64_t obsolete_bpobj_count = 0;
3711 - int ret = 0;
3712 -
3713 - spa_condensing_indirect_phys_t *scip =
3714 - &spa->spa_condensing_indirect_phys;
3715 - if (scip->scip_next_mapping_object != 0) {
3716 - vdev_t *vd = spa->spa_root_vdev->vdev_child[scip->scip_vdev];
3717 - ASSERT(scip->scip_prev_obsolete_sm_object != 0);
3718 - ASSERT3P(vd->vdev_ops, ==, &vdev_indirect_ops);
3719 -
3720 - (void) printf("Condensing indirect vdev %llu: new mapping "
3721 - "object %llu, prev obsolete sm %llu\n",
3722 - (u_longlong_t)scip->scip_vdev,
3723 - (u_longlong_t)scip->scip_next_mapping_object,
3724 - (u_longlong_t)scip->scip_prev_obsolete_sm_object);
3725 - if (scip->scip_prev_obsolete_sm_object != 0) {
3726 - space_map_t *prev_obsolete_sm = NULL;
3727 - VERIFY0(space_map_open(&prev_obsolete_sm,
3728 - spa->spa_meta_objset,
3729 - scip->scip_prev_obsolete_sm_object,
3730 - 0, vd->vdev_asize, 0));
3731 - space_map_update(prev_obsolete_sm);
3732 - dump_spacemap(spa->spa_meta_objset, prev_obsolete_sm);
3733 - (void) printf("\n");
3734 - space_map_close(prev_obsolete_sm);
3735 - }
3736 -
3737 - scip_count += 2;
3738 - }
3739 -
3740 - for (uint64_t i = 0; i < spa->spa_root_vdev->vdev_children; i++) {
3741 - vdev_t *vd = spa->spa_root_vdev->vdev_child[i];
3742 - vdev_indirect_config_t *vic = &vd->vdev_indirect_config;
3743 -
3744 - if (vic->vic_mapping_object != 0) {
3745 - ASSERT(vd->vdev_ops == &vdev_indirect_ops ||
3746 - vd->vdev_removing);
3747 - indirect_vdev_count++;
3748 -
3749 - if (vd->vdev_indirect_mapping->vim_havecounts) {
3750 - obsolete_counts_count++;
3751 - }
3752 - }
3753 - if (vdev_obsolete_counts_are_precise(vd)) {
3754 - ASSERT(vic->vic_mapping_object != 0);
3755 - precise_vdev_count++;
3756 - }
3757 - if (vdev_obsolete_sm_object(vd) != 0) {
3758 - ASSERT(vic->vic_mapping_object != 0);
3759 - obsolete_sm_count++;
3760 - }
3761 - }
3762 -
3763 - (void) feature_get_refcount(spa,
3764 - &spa_feature_table[SPA_FEATURE_DEVICE_REMOVAL],
3765 - &dr_feature_refcount);
3766 - (void) feature_get_refcount(spa,
3767 - &spa_feature_table[SPA_FEATURE_OBSOLETE_COUNTS],
3768 - &oc_feature_refcount);
3769 -
3770 - if (dr_feature_refcount != indirect_vdev_count) {
3771 - ret = 1;
3772 - (void) printf("Number of indirect vdevs (%llu) " \
3773 - "does not match feature count (%llu)\n",
3774 - (u_longlong_t)indirect_vdev_count,
3775 - (u_longlong_t)dr_feature_refcount);
3776 - } else {
3777 - (void) printf("Verified device_removal feature refcount " \
3778 - "of %llu is correct\n",
3779 - (u_longlong_t)dr_feature_refcount);
3780 - }
3781 -
3782 - if (zap_contains(spa_meta_objset(spa), DMU_POOL_DIRECTORY_OBJECT,
3783 - DMU_POOL_OBSOLETE_BPOBJ) == 0) {
3784 - obsolete_bpobj_count++;
3785 - }
3786 -
3787 -
3788 - obsolete_counts_object_count = precise_vdev_count;
3789 - obsolete_counts_object_count += obsolete_sm_count;
3790 - obsolete_counts_object_count += obsolete_counts_count;
3791 - obsolete_counts_object_count += scip_count;
3792 - obsolete_counts_object_count += obsolete_bpobj_count;
3793 - obsolete_counts_object_count += remap_deadlist_count;
3794 -
3795 - if (oc_feature_refcount != obsolete_counts_object_count) {
3796 - ret = 1;
3797 - (void) printf("Number of obsolete counts objects (%llu) " \
3798 - "does not match feature count (%llu)\n",
3799 - (u_longlong_t)obsolete_counts_object_count,
3800 - (u_longlong_t)oc_feature_refcount);
3801 - (void) printf("pv:%llu os:%llu oc:%llu sc:%llu "
3802 - "ob:%llu rd:%llu\n",
3803 - (u_longlong_t)precise_vdev_count,
3804 - (u_longlong_t)obsolete_sm_count,
3805 - (u_longlong_t)obsolete_counts_count,
3806 - (u_longlong_t)scip_count,
3807 - (u_longlong_t)obsolete_bpobj_count,
3808 - (u_longlong_t)remap_deadlist_count);
3809 - } else {
3810 - (void) printf("Verified indirect_refcount feature refcount " \
3811 - "of %llu is correct\n",
3812 - (u_longlong_t)oc_feature_refcount);
3813 - }
3814 - return (ret);
3815 -}
3816 -
3817 3291 static void
3818 3292 dump_zpool(spa_t *spa)
3819 3293 {
3820 3294 dsl_pool_t *dp = spa_get_dsl(spa);
3821 3295 int rc = 0;
3822 3296
3823 3297 if (dump_opt['S']) {
3824 3298 dump_simulated_ddt(spa);
3825 3299 return;
3826 3300 }
3827 3301
3828 3302 if (!dump_opt['e'] && dump_opt['C'] > 1) {
3829 3303 (void) printf("\nCached configuration:\n");
3830 3304 dump_nvlist(spa->spa_config, 8);
3831 3305 }
3832 3306
3833 3307 if (dump_opt['C'])
3834 3308 dump_config(spa);
3835 3309
3836 3310 if (dump_opt['u'])
3837 3311 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
3838 3312
3839 3313 if (dump_opt['D'])
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3840 3314 dump_all_ddts(spa);
3841 3315
3842 3316 if (dump_opt['d'] > 2 || dump_opt['m'])
3843 3317 dump_metaslabs(spa);
3844 3318 if (dump_opt['M'])
3845 3319 dump_metaslab_groups(spa);
3846 3320
3847 3321 if (dump_opt['d'] || dump_opt['i']) {
3848 3322 dump_dir(dp->dp_meta_objset);
3849 3323 if (dump_opt['d'] >= 3) {
3850 - dsl_pool_t *dp = spa->spa_dsl_pool;
3851 3324 dump_full_bpobj(&spa->spa_deferred_bpobj,
3852 3325 "Deferred frees", 0);
3853 3326 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
3854 - dump_full_bpobj(&dp->dp_free_bpobj,
3327 + dump_full_bpobj(
3328 + &spa->spa_dsl_pool->dp_free_bpobj,
3855 3329 "Pool snapshot frees", 0);
3856 3330 }
3857 - if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
3858 - ASSERT(spa_feature_is_enabled(spa,
3859 - SPA_FEATURE_DEVICE_REMOVAL));
3860 - dump_full_bpobj(&dp->dp_obsolete_bpobj,
3861 - "Pool obsolete blocks", 0);
3862 - }
3863 3331
3864 3332 if (spa_feature_is_active(spa,
3865 3333 SPA_FEATURE_ASYNC_DESTROY)) {
3866 3334 dump_bptree(spa->spa_meta_objset,
3867 - dp->dp_bptree_obj,
3335 + spa->spa_dsl_pool->dp_bptree_obj,
3868 3336 "Pool dataset frees");
3869 3337 }
3870 3338 dump_dtl(spa->spa_root_vdev, 0);
3871 3339 }
3872 3340 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
3873 3341 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
3874 3342
3875 3343 for (spa_feature_t f = 0; f < SPA_FEATURES; f++) {
3876 3344 uint64_t refcount;
3877 3345
3878 3346 if (!(spa_feature_table[f].fi_flags &
3879 3347 ZFEATURE_FLAG_PER_DATASET) ||
3880 3348 !spa_feature_is_enabled(spa, f)) {
3881 3349 ASSERT0(dataset_feature_count[f]);
3882 3350 continue;
3883 3351 }
3884 3352 (void) feature_get_refcount(spa,
3885 3353 &spa_feature_table[f], &refcount);
3886 3354 if (dataset_feature_count[f] != refcount) {
3887 3355 (void) printf("%s feature refcount mismatch: "
3888 3356 "%lld datasets != %lld refcount\n",
3889 3357 spa_feature_table[f].fi_uname,
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3890 3358 (longlong_t)dataset_feature_count[f],
3891 3359 (longlong_t)refcount);
3892 3360 rc = 2;
3893 3361 } else {
3894 3362 (void) printf("Verified %s feature refcount "
3895 3363 "of %llu is correct\n",
3896 3364 spa_feature_table[f].fi_uname,
3897 3365 (longlong_t)refcount);
3898 3366 }
3899 3367 }
3900 -
3901 - if (rc == 0) {
3902 - rc = verify_device_removal_feature_counts(spa);
3903 - }
3904 3368 }
3905 3369 if (rc == 0 && (dump_opt['b'] || dump_opt['c']))
3906 3370 rc = dump_block_stats(spa);
3907 3371
3908 3372 if (rc == 0)
3909 3373 rc = verify_spacemap_refcounts(spa);
3910 3374
3911 3375 if (dump_opt['s'])
3912 3376 show_pool_stats(spa);
3913 3377
3914 3378 if (dump_opt['h'])
3915 3379 dump_history(spa);
3916 3380
3917 3381 if (rc != 0) {
3918 3382 dump_debug_buffer();
3919 3383 exit(rc);
3920 3384 }
3921 3385 }
3922 3386
3923 3387 #define ZDB_FLAG_CHECKSUM 0x0001
3924 3388 #define ZDB_FLAG_DECOMPRESS 0x0002
3925 3389 #define ZDB_FLAG_BSWAP 0x0004
3926 3390 #define ZDB_FLAG_GBH 0x0008
3927 3391 #define ZDB_FLAG_INDIRECT 0x0010
3928 3392 #define ZDB_FLAG_PHYS 0x0020
3929 3393 #define ZDB_FLAG_RAW 0x0040
3930 3394 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
3931 3395
3932 3396 static int flagbits[256];
3933 3397
3934 3398 static void
3935 3399 zdb_print_blkptr(blkptr_t *bp, int flags)
3936 3400 {
3937 3401 char blkbuf[BP_SPRINTF_LEN];
3938 3402
3939 3403 if (flags & ZDB_FLAG_BSWAP)
3940 3404 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
3941 3405
3942 3406 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
3943 3407 (void) printf("%s\n", blkbuf);
3944 3408 }
3945 3409
3946 3410 static void
3947 3411 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
3948 3412 {
3949 3413 int i;
3950 3414
3951 3415 for (i = 0; i < nbps; i++)
3952 3416 zdb_print_blkptr(&bp[i], flags);
3953 3417 }
3954 3418
3955 3419 static void
3956 3420 zdb_dump_gbh(void *buf, int flags)
3957 3421 {
3958 3422 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
3959 3423 }
3960 3424
3961 3425 static void
3962 3426 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
3963 3427 {
3964 3428 if (flags & ZDB_FLAG_BSWAP)
3965 3429 byteswap_uint64_array(buf, size);
3966 3430 (void) write(1, buf, size);
3967 3431 }
3968 3432
3969 3433 static void
3970 3434 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
3971 3435 {
3972 3436 uint64_t *d = (uint64_t *)buf;
3973 3437 unsigned nwords = size / sizeof (uint64_t);
3974 3438 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
3975 3439 unsigned i, j;
3976 3440 const char *hdr;
3977 3441 char *c;
3978 3442
3979 3443
3980 3444 if (do_bswap)
3981 3445 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
3982 3446 else
3983 3447 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
3984 3448
3985 3449 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
3986 3450
3987 3451 for (i = 0; i < nwords; i += 2) {
3988 3452 (void) printf("%06llx: %016llx %016llx ",
3989 3453 (u_longlong_t)(i * sizeof (uint64_t)),
3990 3454 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
3991 3455 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
3992 3456
3993 3457 c = (char *)&d[i];
3994 3458 for (j = 0; j < 2 * sizeof (uint64_t); j++)
3995 3459 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
3996 3460 (void) printf("\n");
3997 3461 }
3998 3462 }
3999 3463
4000 3464 /*
4001 3465 * There are two acceptable formats:
4002 3466 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
4003 3467 * child[.child]* - For example: 0.1.1
4004 3468 *
4005 3469 * The second form can be used to specify arbitrary vdevs anywhere
4006 3470 * in the heirarchy. For example, in a pool with a mirror of
4007 3471 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
4008 3472 */
4009 3473 static vdev_t *
4010 3474 zdb_vdev_lookup(vdev_t *vdev, const char *path)
4011 3475 {
4012 3476 char *s, *p, *q;
4013 3477 unsigned i;
4014 3478
4015 3479 if (vdev == NULL)
4016 3480 return (NULL);
4017 3481
4018 3482 /* First, assume the x.x.x.x format */
4019 3483 i = strtoul(path, &s, 10);
4020 3484 if (s == path || (s && *s != '.' && *s != '\0'))
4021 3485 goto name;
4022 3486 if (i >= vdev->vdev_children)
4023 3487 return (NULL);
4024 3488
4025 3489 vdev = vdev->vdev_child[i];
4026 3490 if (*s == '\0')
4027 3491 return (vdev);
4028 3492 return (zdb_vdev_lookup(vdev, s+1));
4029 3493
4030 3494 name:
4031 3495 for (i = 0; i < vdev->vdev_children; i++) {
4032 3496 vdev_t *vc = vdev->vdev_child[i];
4033 3497
4034 3498 if (vc->vdev_path == NULL) {
4035 3499 vc = zdb_vdev_lookup(vc, path);
4036 3500 if (vc == NULL)
4037 3501 continue;
4038 3502 else
4039 3503 return (vc);
4040 3504 }
4041 3505
4042 3506 p = strrchr(vc->vdev_path, '/');
4043 3507 p = p ? p + 1 : vc->vdev_path;
4044 3508 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
4045 3509
4046 3510 if (strcmp(vc->vdev_path, path) == 0)
4047 3511 return (vc);
4048 3512 if (strcmp(p, path) == 0)
4049 3513 return (vc);
4050 3514 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
4051 3515 return (vc);
4052 3516 }
4053 3517
4054 3518 return (NULL);
4055 3519 }
4056 3520
4057 3521 /* ARGSUSED */
4058 3522 static int
4059 3523 random_get_pseudo_bytes_cb(void *buf, size_t len, void *unused)
4060 3524 {
4061 3525 return (random_get_pseudo_bytes(buf, len));
4062 3526 }
4063 3527
4064 3528 /*
4065 3529 * Read a block from a pool and print it out. The syntax of the
4066 3530 * block descriptor is:
4067 3531 *
4068 3532 * pool:vdev_specifier:offset:size[:flags]
4069 3533 *
4070 3534 * pool - The name of the pool you wish to read from
4071 3535 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
4072 3536 * offset - offset, in hex, in bytes
4073 3537 * size - Amount of data to read, in hex, in bytes
4074 3538 * flags - A string of characters specifying options
4075 3539 * b: Decode a blkptr at given offset within block
4076 3540 * *c: Calculate and display checksums
4077 3541 * d: Decompress data before dumping
4078 3542 * e: Byteswap data before dumping
4079 3543 * g: Display data as a gang block header
4080 3544 * i: Display as an indirect block
4081 3545 * p: Do I/O to physical offset
4082 3546 * r: Dump raw data to stdout
4083 3547 *
4084 3548 * * = not yet implemented
4085 3549 */
4086 3550 static void
4087 3551 zdb_read_block(char *thing, spa_t *spa)
4088 3552 {
4089 3553 blkptr_t blk, *bp = &blk;
4090 3554 dva_t *dva = bp->blk_dva;
4091 3555 int flags = 0;
4092 3556 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
4093 3557 zio_t *zio;
4094 3558 vdev_t *vd;
4095 3559 abd_t *pabd;
4096 3560 void *lbuf, *buf;
4097 3561 const char *s, *vdev;
4098 3562 char *p, *dup, *flagstr;
4099 3563 int i, error;
4100 3564
4101 3565 dup = strdup(thing);
4102 3566 s = strtok(dup, ":");
4103 3567 vdev = s ? s : "";
4104 3568 s = strtok(NULL, ":");
4105 3569 offset = strtoull(s ? s : "", NULL, 16);
4106 3570 s = strtok(NULL, ":");
4107 3571 size = strtoull(s ? s : "", NULL, 16);
4108 3572 s = strtok(NULL, ":");
4109 3573 if (s)
4110 3574 flagstr = strdup(s);
4111 3575 else
4112 3576 flagstr = strdup("");
4113 3577
4114 3578 s = NULL;
4115 3579 if (size == 0)
4116 3580 s = "size must not be zero";
4117 3581 if (!IS_P2ALIGNED(size, DEV_BSIZE))
4118 3582 s = "size must be a multiple of sector size";
4119 3583 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
4120 3584 s = "offset must be a multiple of sector size";
4121 3585 if (s) {
4122 3586 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
4123 3587 free(dup);
4124 3588 return;
4125 3589 }
4126 3590
4127 3591 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
4128 3592 for (i = 0; flagstr[i]; i++) {
4129 3593 int bit = flagbits[(uchar_t)flagstr[i]];
4130 3594
4131 3595 if (bit == 0) {
4132 3596 (void) printf("***Invalid flag: %c\n",
4133 3597 flagstr[i]);
4134 3598 continue;
4135 3599 }
4136 3600 flags |= bit;
4137 3601
4138 3602 /* If it's not something with an argument, keep going */
4139 3603 if ((bit & (ZDB_FLAG_CHECKSUM |
4140 3604 ZDB_FLAG_PRINT_BLKPTR)) == 0)
4141 3605 continue;
4142 3606
4143 3607 p = &flagstr[i + 1];
4144 3608 if (bit == ZDB_FLAG_PRINT_BLKPTR)
4145 3609 blkptr_offset = strtoull(p, &p, 16);
4146 3610 if (*p != ':' && *p != '\0') {
4147 3611 (void) printf("***Invalid flag arg: '%s'\n", s);
4148 3612 free(dup);
4149 3613 return;
4150 3614 }
4151 3615 }
4152 3616 }
4153 3617 free(flagstr);
4154 3618
4155 3619 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
4156 3620 if (vd == NULL) {
4157 3621 (void) printf("***Invalid vdev: %s\n", vdev);
4158 3622 free(dup);
4159 3623 return;
4160 3624 } else {
4161 3625 if (vd->vdev_path)
4162 3626 (void) fprintf(stderr, "Found vdev: %s\n",
4163 3627 vd->vdev_path);
4164 3628 else
4165 3629 (void) fprintf(stderr, "Found vdev type: %s\n",
4166 3630 vd->vdev_ops->vdev_op_type);
4167 3631 }
4168 3632
4169 3633 psize = size;
4170 3634 lsize = size;
4171 3635
4172 3636 pabd = abd_alloc_linear(SPA_MAXBLOCKSIZE, B_FALSE);
4173 3637 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
4174 3638
4175 3639 BP_ZERO(bp);
4176 3640
4177 3641 DVA_SET_VDEV(&dva[0], vd->vdev_id);
4178 3642 DVA_SET_OFFSET(&dva[0], offset);
4179 3643 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
4180 3644 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
4181 3645
4182 3646 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
4183 3647
4184 3648 BP_SET_LSIZE(bp, lsize);
4185 3649 BP_SET_PSIZE(bp, psize);
4186 3650 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
4187 3651 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
4188 3652 BP_SET_TYPE(bp, DMU_OT_NONE);
4189 3653 BP_SET_LEVEL(bp, 0);
4190 3654 BP_SET_DEDUP(bp, 0);
4191 3655 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
4192 3656
4193 3657 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
4194 3658 zio = zio_root(spa, NULL, NULL, 0);
4195 3659
4196 3660 if (vd == vd->vdev_top) {
4197 3661 /*
4198 3662 * Treat this as a normal block read.
4199 3663 */
4200 3664 zio_nowait(zio_read(zio, spa, bp, pabd, psize, NULL, NULL,
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4201 3665 ZIO_PRIORITY_SYNC_READ,
4202 3666 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
4203 3667 } else {
4204 3668 /*
4205 3669 * Treat this as a vdev child I/O.
4206 3670 */
4207 3671 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pabd,
4208 3672 psize, ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
4209 3673 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
4210 3674 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
4211 - ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW | ZIO_FLAG_OPTIONAL,
4212 - NULL, NULL));
3675 + ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
4213 3676 }
4214 3677
4215 3678 error = zio_wait(zio);
4216 3679 spa_config_exit(spa, SCL_STATE, FTAG);
4217 3680
4218 3681 if (error) {
4219 3682 (void) printf("Read of %s failed, error: %d\n", thing, error);
4220 3683 goto out;
4221 3684 }
4222 3685
4223 3686 if (flags & ZDB_FLAG_DECOMPRESS) {
4224 3687 /*
4225 3688 * We don't know how the data was compressed, so just try
4226 3689 * every decompress function at every inflated blocksize.
4227 3690 */
4228 3691 enum zio_compress c;
4229 3692 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
4230 3693 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
4231 3694
4232 3695 abd_copy_to_buf(pbuf2, pabd, psize);
4233 3696
4234 3697 VERIFY0(abd_iterate_func(pabd, psize, SPA_MAXBLOCKSIZE - psize,
4235 3698 random_get_pseudo_bytes_cb, NULL));
4236 3699
4237 3700 VERIFY0(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
4238 3701 SPA_MAXBLOCKSIZE - psize));
4239 3702
4240 3703 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
4241 3704 lsize -= SPA_MINBLOCKSIZE) {
4242 3705 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
4243 3706 if (zio_decompress_data(c, pabd,
4244 3707 lbuf, psize, lsize) == 0 &&
4245 3708 zio_decompress_data_buf(c, pbuf2,
4246 3709 lbuf2, psize, lsize) == 0 &&
4247 3710 bcmp(lbuf, lbuf2, lsize) == 0)
4248 3711 break;
4249 3712 }
4250 3713 if (c != ZIO_COMPRESS_FUNCTIONS)
4251 3714 break;
4252 3715 lsize -= SPA_MINBLOCKSIZE;
4253 3716 }
4254 3717
4255 3718 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
4256 3719 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
4257 3720
4258 3721 if (lsize <= psize) {
4259 3722 (void) printf("Decompress of %s failed\n", thing);
4260 3723 goto out;
4261 3724 }
4262 3725 buf = lbuf;
4263 3726 size = lsize;
4264 3727 } else {
4265 3728 buf = abd_to_buf(pabd);
4266 3729 size = psize;
4267 3730 }
4268 3731
4269 3732 if (flags & ZDB_FLAG_PRINT_BLKPTR)
4270 3733 zdb_print_blkptr((blkptr_t *)(void *)
4271 3734 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
4272 3735 else if (flags & ZDB_FLAG_RAW)
4273 3736 zdb_dump_block_raw(buf, size, flags);
4274 3737 else if (flags & ZDB_FLAG_INDIRECT)
4275 3738 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
4276 3739 flags);
4277 3740 else if (flags & ZDB_FLAG_GBH)
4278 3741 zdb_dump_gbh(buf, flags);
4279 3742 else
4280 3743 zdb_dump_block(thing, buf, size, flags);
4281 3744
4282 3745 out:
4283 3746 abd_free(pabd);
4284 3747 umem_free(lbuf, SPA_MAXBLOCKSIZE);
4285 3748 free(dup);
4286 3749 }
4287 3750
4288 3751 static void
4289 3752 zdb_embedded_block(char *thing)
4290 3753 {
4291 3754 blkptr_t bp;
4292 3755 unsigned long long *words = (void *)&bp;
4293 3756 char buf[SPA_MAXBLOCKSIZE];
4294 3757 int err;
4295 3758
4296 3759 bzero(&bp, sizeof (bp));
4297 3760 err = sscanf(thing, "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx:"
4298 3761 "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx",
4299 3762 words + 0, words + 1, words + 2, words + 3,
4300 3763 words + 4, words + 5, words + 6, words + 7,
4301 3764 words + 8, words + 9, words + 10, words + 11,
4302 3765 words + 12, words + 13, words + 14, words + 15);
4303 3766 if (err != 16) {
4304 3767 (void) printf("invalid input format\n");
4305 3768 exit(1);
4306 3769 }
4307 3770 ASSERT3U(BPE_GET_LSIZE(&bp), <=, SPA_MAXBLOCKSIZE);
4308 3771 err = decode_embedded_bp(&bp, buf, BPE_GET_LSIZE(&bp));
4309 3772 if (err != 0) {
4310 3773 (void) printf("decode failed: %u\n", err);
4311 3774 exit(1);
4312 3775 }
4313 3776 zdb_dump_block_raw(buf, BPE_GET_LSIZE(&bp), 0);
4314 3777 }
4315 3778
4316 3779 static boolean_t
4317 3780 pool_match(nvlist_t *cfg, char *tgt)
4318 3781 {
4319 3782 uint64_t v, guid = strtoull(tgt, NULL, 0);
4320 3783 char *s;
4321 3784
4322 3785 if (guid != 0) {
4323 3786 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
4324 3787 return (v == guid);
4325 3788 } else {
4326 3789 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
4327 3790 return (strcmp(s, tgt) == 0);
4328 3791 }
4329 3792 return (B_FALSE);
4330 3793 }
4331 3794
4332 3795 static char *
4333 3796 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
4334 3797 {
4335 3798 nvlist_t *pools;
4336 3799 nvlist_t *match = NULL;
4337 3800 char *name = NULL;
4338 3801 char *sepp = NULL;
4339 3802 char sep = '\0';
4340 3803 int count = 0;
4341 3804 importargs_t args;
4342 3805
4343 3806 bzero(&args, sizeof (args));
4344 3807 args.paths = dirc;
4345 3808 args.path = dirv;
4346 3809 args.can_be_active = B_TRUE;
4347 3810
4348 3811 if ((sepp = strpbrk(*target, "/@")) != NULL) {
4349 3812 sep = *sepp;
4350 3813 *sepp = '\0';
4351 3814 }
4352 3815
4353 3816 pools = zpool_search_import(g_zfs, &args);
4354 3817
4355 3818 if (pools != NULL) {
4356 3819 nvpair_t *elem = NULL;
4357 3820 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
4358 3821 verify(nvpair_value_nvlist(elem, configp) == 0);
4359 3822 if (pool_match(*configp, *target)) {
4360 3823 count++;
4361 3824 if (match != NULL) {
4362 3825 /* print previously found config */
4363 3826 if (name != NULL) {
4364 3827 (void) printf("%s\n", name);
4365 3828 dump_nvlist(match, 8);
4366 3829 name = NULL;
4367 3830 }
4368 3831 (void) printf("%s\n",
4369 3832 nvpair_name(elem));
4370 3833 dump_nvlist(*configp, 8);
4371 3834 } else {
4372 3835 match = *configp;
4373 3836 name = nvpair_name(elem);
4374 3837 }
4375 3838 }
4376 3839 }
4377 3840 }
4378 3841 if (count > 1)
4379 3842 (void) fatal("\tMatched %d pools - use pool GUID "
4380 3843 "instead of pool name or \n"
4381 3844 "\tpool name part of a dataset name to select pool", count);
4382 3845
4383 3846 if (sepp)
4384 3847 *sepp = sep;
4385 3848 /*
4386 3849 * If pool GUID was specified for pool id, replace it with pool name
4387 3850 */
4388 3851 if (name && (strstr(*target, name) != *target)) {
4389 3852 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
4390 3853
4391 3854 *target = umem_alloc(sz, UMEM_NOFAIL);
4392 3855 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
4393 3856 }
4394 3857
4395 3858 *configp = name ? match : NULL;
4396 3859
4397 3860 return (name);
4398 3861 }
4399 3862
4400 3863 int
4401 3864 main(int argc, char **argv)
4402 3865 {
4403 3866 int c;
4404 3867 struct rlimit rl = { 1024, 1024 };
4405 3868 spa_t *spa = NULL;
4406 3869 objset_t *os = NULL;
4407 3870 int dump_all = 1;
4408 3871 int verbose = 0;
4409 3872 int error = 0;
4410 3873 char **searchdirs = NULL;
4411 3874 int nsearch = 0;
4412 3875 char *target;
4413 3876 nvlist_t *policy = NULL;
4414 3877 uint64_t max_txg = UINT64_MAX;
4415 3878 int flags = ZFS_IMPORT_MISSING_LOG;
4416 3879 int rewind = ZPOOL_NEVER_REWIND;
4417 3880 char *spa_config_path_env;
4418 3881 boolean_t target_is_spa = B_TRUE;
4419 3882
4420 3883 (void) setrlimit(RLIMIT_NOFILE, &rl);
4421 3884 (void) enable_extended_FILE_stdio(-1, -1);
4422 3885
4423 3886 dprintf_setup(&argc, argv);
4424 3887
4425 3888 /*
4426 3889 * If there is an environment variable SPA_CONFIG_PATH it overrides
4427 3890 * default spa_config_path setting. If -U flag is specified it will
4428 3891 * override this environment variable settings once again.
4429 3892 */
4430 3893 spa_config_path_env = getenv("SPA_CONFIG_PATH");
4431 3894 if (spa_config_path_env != NULL)
4432 3895 spa_config_path = spa_config_path_env;
4433 3896
4434 3897 while ((c = getopt(argc, argv,
4435 3898 "AbcCdDeEFGhiI:lLmMo:Op:PqRsSt:uU:vVx:X")) != -1) {
4436 3899 switch (c) {
4437 3900 case 'b':
4438 3901 case 'c':
4439 3902 case 'C':
4440 3903 case 'd':
4441 3904 case 'D':
4442 3905 case 'E':
4443 3906 case 'G':
4444 3907 case 'h':
4445 3908 case 'i':
4446 3909 case 'l':
4447 3910 case 'm':
4448 3911 case 'M':
4449 3912 case 'O':
4450 3913 case 'R':
4451 3914 case 's':
4452 3915 case 'S':
4453 3916 case 'u':
4454 3917 dump_opt[c]++;
4455 3918 dump_all = 0;
4456 3919 break;
4457 3920 case 'A':
4458 3921 case 'e':
4459 3922 case 'F':
4460 3923 case 'L':
4461 3924 case 'P':
4462 3925 case 'q':
4463 3926 case 'X':
4464 3927 dump_opt[c]++;
4465 3928 break;
4466 3929 /* NB: Sort single match options below. */
4467 3930 case 'I':
4468 3931 max_inflight = strtoull(optarg, NULL, 0);
4469 3932 if (max_inflight == 0) {
4470 3933 (void) fprintf(stderr, "maximum number "
4471 3934 "of inflight I/Os must be greater "
4472 3935 "than 0\n");
4473 3936 usage();
4474 3937 }
4475 3938 break;
4476 3939 case 'o':
4477 3940 error = set_global_var(optarg);
4478 3941 if (error != 0)
4479 3942 usage();
4480 3943 break;
4481 3944 case 'p':
4482 3945 if (searchdirs == NULL) {
4483 3946 searchdirs = umem_alloc(sizeof (char *),
4484 3947 UMEM_NOFAIL);
4485 3948 } else {
4486 3949 char **tmp = umem_alloc((nsearch + 1) *
4487 3950 sizeof (char *), UMEM_NOFAIL);
4488 3951 bcopy(searchdirs, tmp, nsearch *
4489 3952 sizeof (char *));
4490 3953 umem_free(searchdirs,
4491 3954 nsearch * sizeof (char *));
4492 3955 searchdirs = tmp;
4493 3956 }
4494 3957 searchdirs[nsearch++] = optarg;
4495 3958 break;
4496 3959 case 't':
4497 3960 max_txg = strtoull(optarg, NULL, 0);
4498 3961 if (max_txg < TXG_INITIAL) {
4499 3962 (void) fprintf(stderr, "incorrect txg "
4500 3963 "specified: %s\n", optarg);
4501 3964 usage();
4502 3965 }
4503 3966 break;
4504 3967 case 'U':
4505 3968 spa_config_path = optarg;
4506 3969 if (spa_config_path[0] != '/') {
4507 3970 (void) fprintf(stderr,
4508 3971 "cachefile must be an absolute path "
4509 3972 "(i.e. start with a slash)\n");
4510 3973 usage();
4511 3974 }
4512 3975 break;
4513 3976 case 'v':
4514 3977 verbose++;
4515 3978 break;
4516 3979 case 'V':
4517 3980 flags = ZFS_IMPORT_VERBATIM;
4518 3981 break;
4519 3982 case 'x':
4520 3983 vn_dumpdir = optarg;
4521 3984 break;
4522 3985 default:
4523 3986 usage();
4524 3987 break;
4525 3988 }
4526 3989 }
4527 3990
4528 3991 if (!dump_opt['e'] && searchdirs != NULL) {
4529 3992 (void) fprintf(stderr, "-p option requires use of -e\n");
4530 3993 usage();
4531 3994 }
4532 3995
4533 3996 /*
4534 3997 * ZDB does not typically re-read blocks; therefore limit the ARC
4535 3998 * to 256 MB, which can be used entirely for metadata.
4536 3999 */
4537 4000 zfs_arc_max = zfs_arc_meta_limit = 256 * 1024 * 1024;
4538 4001
4539 4002 /*
4540 4003 * "zdb -c" uses checksum-verifying scrub i/os which are async reads.
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4541 4004 * "zdb -b" uses traversal prefetch which uses async reads.
4542 4005 * For good performance, let several of them be active at once.
4543 4006 */
4544 4007 zfs_vdev_async_read_max_active = 10;
4545 4008
4546 4009 /*
4547 4010 * Disable reference tracking for better performance.
4548 4011 */
4549 4012 reference_tracking_enable = B_FALSE;
4550 4013
4551 - /*
4552 - * Do not fail spa_load when spa_load_verify fails. This is needed
4553 - * to load non-idle pools.
4554 - */
4555 - spa_load_verify_dryrun = B_TRUE;
4556 -
4557 4014 kernel_init(FREAD);
4558 4015 g_zfs = libzfs_init();
4559 4016 ASSERT(g_zfs != NULL);
4560 4017
4561 4018 if (dump_all)
4562 4019 verbose = MAX(verbose, 1);
4563 4020
4564 4021 for (c = 0; c < 256; c++) {
4565 4022 if (dump_all && strchr("AeEFlLOPRSX", c) == NULL)
4566 4023 dump_opt[c] = 1;
4567 4024 if (dump_opt[c])
4568 4025 dump_opt[c] += verbose;
4569 4026 }
4570 4027
4571 4028 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
4572 4029 zfs_recover = (dump_opt['A'] > 1);
4573 4030
4574 4031 argc -= optind;
4575 4032 argv += optind;
4576 4033
4577 4034 if (argc < 2 && dump_opt['R'])
4578 4035 usage();
4579 4036
4580 4037 if (dump_opt['E']) {
4581 4038 if (argc != 1)
4582 4039 usage();
4583 4040 zdb_embedded_block(argv[0]);
4584 4041 return (0);
4585 4042 }
4586 4043
4587 4044 if (argc < 1) {
4588 4045 if (!dump_opt['e'] && dump_opt['C']) {
4589 4046 dump_cachefile(spa_config_path);
4590 4047 return (0);
4591 4048 }
4592 4049 usage();
4593 4050 }
4594 4051
4595 4052 if (dump_opt['l'])
4596 4053 return (dump_label(argv[0]));
4597 4054
4598 4055 if (dump_opt['O']) {
4599 4056 if (argc != 2)
4600 4057 usage();
4601 4058 dump_opt['v'] = verbose + 3;
4602 4059 return (dump_path(argv[0], argv[1]));
4603 4060 }
4604 4061
4605 4062 if (dump_opt['X'] || dump_opt['F'])
4606 4063 rewind = ZPOOL_DO_REWIND |
4607 4064 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
4608 4065
4609 4066 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
4610 4067 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
4611 4068 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
4612 4069 fatal("internal error: %s", strerror(ENOMEM));
4613 4070
4614 4071 error = 0;
4615 4072 target = argv[0];
4616 4073
4617 4074 if (dump_opt['e']) {
4618 4075 nvlist_t *cfg = NULL;
4619 4076 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
4620 4077
4621 4078 error = ENOENT;
4622 4079 if (name) {
4623 4080 if (dump_opt['C'] > 1) {
4624 4081 (void) printf("\nConfiguration for import:\n");
4625 4082 dump_nvlist(cfg, 8);
4626 4083 }
4627 4084 if (nvlist_add_nvlist(cfg,
4628 4085 ZPOOL_REWIND_POLICY, policy) != 0) {
4629 4086 fatal("can't open '%s': %s",
4630 4087 target, strerror(ENOMEM));
4631 4088 }
4632 4089 error = spa_import(name, cfg, NULL, flags);
4633 4090 }
4634 4091 }
4635 4092
4636 4093 if (strpbrk(target, "/@") != NULL) {
4637 4094 size_t targetlen;
4638 4095
4639 4096 target_is_spa = B_FALSE;
4640 4097 /*
4641 4098 * Remove any trailing slash. Later code would get confused
4642 4099 * by it, but we want to allow it so that "pool/" can
4643 4100 * indicate that we want to dump the topmost filesystem,
4644 4101 * rather than the whole pool.
4645 4102 */
4646 4103 targetlen = strlen(target);
4647 4104 if (targetlen != 0 && target[targetlen - 1] == '/')
4648 4105 target[targetlen - 1] = '\0';
4649 4106 }
4650 4107
4651 4108 if (error == 0) {
4652 4109 if (target_is_spa || dump_opt['R']) {
4653 4110 error = spa_open_rewind(target, &spa, FTAG, policy,
4654 4111 NULL);
4655 4112 if (error) {
4656 4113 /*
4657 4114 * If we're missing the log device then
4658 4115 * try opening the pool after clearing the
4659 4116 * log state.
4660 4117 */
4661 4118 mutex_enter(&spa_namespace_lock);
4662 4119 if ((spa = spa_lookup(target)) != NULL &&
4663 4120 spa->spa_log_state == SPA_LOG_MISSING) {
4664 4121 spa->spa_log_state = SPA_LOG_CLEAR;
4665 4122 error = 0;
4666 4123 }
4667 4124 mutex_exit(&spa_namespace_lock);
4668 4125
4669 4126 if (!error) {
4670 4127 error = spa_open_rewind(target, &spa,
4671 4128 FTAG, policy, NULL);
4672 4129 }
4673 4130 }
4674 4131 } else {
4675 4132 error = open_objset(target, DMU_OST_ANY, FTAG, &os);
4676 4133 }
4677 4134 }
4678 4135 nvlist_free(policy);
4679 4136
4680 4137 if (error)
4681 4138 fatal("can't open '%s': %s", target, strerror(error));
4682 4139
4683 4140 argv++;
4684 4141 argc--;
4685 4142 if (!dump_opt['R']) {
4686 4143 if (argc > 0) {
4687 4144 zopt_objects = argc;
4688 4145 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
4689 4146 for (unsigned i = 0; i < zopt_objects; i++) {
4690 4147 errno = 0;
4691 4148 zopt_object[i] = strtoull(argv[i], NULL, 0);
4692 4149 if (zopt_object[i] == 0 && errno != 0)
4693 4150 fatal("bad number %s: %s",
4694 4151 argv[i], strerror(errno));
4695 4152 }
4696 4153 }
4697 4154 if (os != NULL) {
4698 4155 dump_dir(os);
4699 4156 } else if (zopt_objects > 0 && !dump_opt['m']) {
4700 4157 dump_dir(spa->spa_meta_objset);
4701 4158 } else {
4702 4159 dump_zpool(spa);
4703 4160 }
4704 4161 } else {
4705 4162 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
4706 4163 flagbits['c'] = ZDB_FLAG_CHECKSUM;
4707 4164 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
4708 4165 flagbits['e'] = ZDB_FLAG_BSWAP;
4709 4166 flagbits['g'] = ZDB_FLAG_GBH;
4710 4167 flagbits['i'] = ZDB_FLAG_INDIRECT;
4711 4168 flagbits['p'] = ZDB_FLAG_PHYS;
4712 4169 flagbits['r'] = ZDB_FLAG_RAW;
4713 4170
4714 4171 for (int i = 0; i < argc; i++)
4715 4172 zdb_read_block(argv[i], spa);
4716 4173 }
4717 4174
4718 4175 if (os != NULL)
4719 4176 close_objset(os, FTAG);
4720 4177 else
4721 4178 spa_close(spa, FTAG);
4722 4179
4723 4180 fuid_table_destroy();
4724 4181
4725 4182 dump_debug_buffer();
4726 4183
4727 4184 libzfs_fini(g_zfs);
4728 4185 kernel_fini();
4729 4186
4730 4187 return (0);
4731 4188 }
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