diff options
Diffstat (limited to 'contrib/opensolaris/cmd/zdb/zdb.c')
| -rw-r--r-- | contrib/opensolaris/cmd/zdb/zdb.c | 2193 |
1 files changed, 0 insertions, 2193 deletions
diff --git a/contrib/opensolaris/cmd/zdb/zdb.c b/contrib/opensolaris/cmd/zdb/zdb.c deleted file mode 100644 index 2dc459d..0000000 --- a/contrib/opensolaris/cmd/zdb/zdb.c +++ /dev/null @@ -1,2193 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -#include <stdio.h> -#include <stdio_ext.h> -#include <stdlib.h> -#include <ctype.h> -#include <sys/zfs_context.h> -#include <sys/spa.h> -#include <sys/spa_impl.h> -#include <sys/dmu.h> -#include <sys/zap.h> -#include <sys/fs/zfs.h> -#include <sys/zfs_znode.h> -#include <sys/vdev.h> -#include <sys/vdev_impl.h> -#include <sys/metaslab_impl.h> -#include <sys/dmu_objset.h> -#include <sys/dsl_dir.h> -#include <sys/dsl_dataset.h> -#include <sys/dsl_pool.h> -#include <sys/dbuf.h> -#include <sys/zil.h> -#include <sys/zil_impl.h> -#include <sys/stat.h> -#include <sys/resource.h> -#include <sys/dmu_traverse.h> -#include <sys/zio_checksum.h> -#include <sys/zio_compress.h> - -const char cmdname[] = "zdb"; -uint8_t dump_opt[256]; - -typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); - -extern void dump_intent_log(zilog_t *); -uint64_t *zopt_object = NULL; -int zopt_objects = 0; -int zdb_advance = ADVANCE_PRE; -zbookmark_t zdb_noread = { 0, 0, ZB_NO_LEVEL, 0 }; - -/* - * These libumem hooks provide a reasonable set of defaults for the allocator's - * debugging facilities. - */ -const char * -_umem_debug_init() -{ - return ("default,verbose"); /* $UMEM_DEBUG setting */ -} - -const char * -_umem_logging_init(void) -{ - return ("fail,contents"); /* $UMEM_LOGGING setting */ -} - -static void -usage(void) -{ - (void) fprintf(stderr, - "Usage: %s [-udibcsvLU] [-O order] [-B os:obj:level:blkid] " - "dataset [object...]\n" - " %s -C [pool]\n" - " %s -l dev\n" - " %s -R vdev:offset:size:flags\n", - cmdname, cmdname, cmdname, cmdname); - - (void) fprintf(stderr, " -u uberblock\n"); - (void) fprintf(stderr, " -d datasets\n"); - (void) fprintf(stderr, " -C cached pool configuration\n"); - (void) fprintf(stderr, " -i intent logs\n"); - (void) fprintf(stderr, " -b block statistics\n"); - (void) fprintf(stderr, " -c checksum all data blocks\n"); - (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); - (void) fprintf(stderr, " -v verbose (applies to all others)\n"); - (void) fprintf(stderr, " -l dump label contents\n"); - (void) fprintf(stderr, " -L live pool (allows some errors)\n"); - (void) fprintf(stderr, " -O [!]<pre|post|prune|data|holes> " - "visitation order\n"); - (void) fprintf(stderr, " -U use zpool.cache in /tmp\n"); - (void) fprintf(stderr, " -B objset:object:level:blkid -- " - "simulate bad block\n"); - (void) fprintf(stderr, " -R read and display block from a" - "device\n"); - (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " - "to make only that option verbose\n"); - (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); - exit(1); -} - -static void -fatal(const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - (void) fprintf(stderr, "%s: ", cmdname); - (void) vfprintf(stderr, fmt, ap); - va_end(ap); - (void) fprintf(stderr, "\n"); - - exit(1); -} - -static void -dump_nvlist(nvlist_t *list, int indent) -{ - nvpair_t *elem = NULL; - - while ((elem = nvlist_next_nvpair(list, elem)) != NULL) { - switch (nvpair_type(elem)) { - case DATA_TYPE_STRING: - { - char *value; - - VERIFY(nvpair_value_string(elem, &value) == 0); - (void) printf("%*s%s='%s'\n", indent, "", - nvpair_name(elem), value); - } - break; - - case DATA_TYPE_UINT64: - { - uint64_t value; - - VERIFY(nvpair_value_uint64(elem, &value) == 0); - (void) printf("%*s%s=%llu\n", indent, "", - nvpair_name(elem), (u_longlong_t)value); - } - break; - - case DATA_TYPE_NVLIST: - { - nvlist_t *value; - - VERIFY(nvpair_value_nvlist(elem, &value) == 0); - (void) printf("%*s%s\n", indent, "", - nvpair_name(elem)); - dump_nvlist(value, indent + 4); - } - break; - - case DATA_TYPE_NVLIST_ARRAY: - { - nvlist_t **value; - uint_t c, count; - - VERIFY(nvpair_value_nvlist_array(elem, &value, - &count) == 0); - - for (c = 0; c < count; c++) { - (void) printf("%*s%s[%u]\n", indent, "", - nvpair_name(elem), c); - dump_nvlist(value[c], indent + 8); - } - } - break; - - default: - - (void) printf("bad config type %d for %s\n", - nvpair_type(elem), nvpair_name(elem)); - } - } -} - -/* ARGSUSED */ -static void -dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) -{ - nvlist_t *nv; - size_t nvsize = *(uint64_t *)data; - char *packed = umem_alloc(nvsize, UMEM_NOFAIL); - - VERIFY(0 == dmu_read(os, object, 0, nvsize, packed)); - - VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); - - umem_free(packed, nvsize); - - dump_nvlist(nv, 8); - - nvlist_free(nv); -} - -const char dump_zap_stars[] = "****************************************"; -const int dump_zap_width = sizeof (dump_zap_stars) - 1; - -static void -dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) -{ - int i; - int minidx = ZAP_HISTOGRAM_SIZE - 1; - int maxidx = 0; - uint64_t max = 0; - - for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { - if (histo[i] > max) - max = histo[i]; - if (histo[i] > 0 && i > maxidx) - maxidx = i; - if (histo[i] > 0 && i < minidx) - minidx = i; - } - - if (max < dump_zap_width) - max = dump_zap_width; - - for (i = minidx; i <= maxidx; i++) - (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], - &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); -} - -static void -dump_zap_stats(objset_t *os, uint64_t object) -{ - int error; - zap_stats_t zs; - - error = zap_get_stats(os, object, &zs); - if (error) - return; - - if (zs.zs_ptrtbl_len == 0) { - ASSERT(zs.zs_num_blocks == 1); - (void) printf("\tmicrozap: %llu bytes, %llu entries\n", - (u_longlong_t)zs.zs_blocksize, - (u_longlong_t)zs.zs_num_entries); - return; - } - - (void) printf("\tFat ZAP stats:\n"); - - (void) printf("\t\tPointer table:\n"); - (void) printf("\t\t\t%llu elements\n", - (u_longlong_t)zs.zs_ptrtbl_len); - (void) printf("\t\t\tzt_blk: %llu\n", - (u_longlong_t)zs.zs_ptrtbl_zt_blk); - (void) printf("\t\t\tzt_numblks: %llu\n", - (u_longlong_t)zs.zs_ptrtbl_zt_numblks); - (void) printf("\t\t\tzt_shift: %llu\n", - (u_longlong_t)zs.zs_ptrtbl_zt_shift); - (void) printf("\t\t\tzt_blks_copied: %llu\n", - (u_longlong_t)zs.zs_ptrtbl_blks_copied); - (void) printf("\t\t\tzt_nextblk: %llu\n", - (u_longlong_t)zs.zs_ptrtbl_nextblk); - - (void) printf("\t\tZAP entries: %llu\n", - (u_longlong_t)zs.zs_num_entries); - (void) printf("\t\tLeaf blocks: %llu\n", - (u_longlong_t)zs.zs_num_leafs); - (void) printf("\t\tTotal blocks: %llu\n", - (u_longlong_t)zs.zs_num_blocks); - (void) printf("\t\tzap_block_type: 0x%llx\n", - (u_longlong_t)zs.zs_block_type); - (void) printf("\t\tzap_magic: 0x%llx\n", - (u_longlong_t)zs.zs_magic); - (void) printf("\t\tzap_salt: 0x%llx\n", - (u_longlong_t)zs.zs_salt); - - (void) printf("\t\tLeafs with 2^n pointers:\n"); - dump_zap_histogram(zs.zs_leafs_with_2n_pointers); - - (void) printf("\t\tBlocks with n*5 entries:\n"); - dump_zap_histogram(zs.zs_blocks_with_n5_entries); - - (void) printf("\t\tBlocks n/10 full:\n"); - dump_zap_histogram(zs.zs_blocks_n_tenths_full); - - (void) printf("\t\tEntries with n chunks:\n"); - dump_zap_histogram(zs.zs_entries_using_n_chunks); - - (void) printf("\t\tBuckets with n entries:\n"); - dump_zap_histogram(zs.zs_buckets_with_n_entries); -} - -/*ARGSUSED*/ -static void -dump_none(objset_t *os, uint64_t object, void *data, size_t size) -{ -} - -/*ARGSUSED*/ -void -dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) -{ -} - -/*ARGSUSED*/ -static void -dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) -{ -} - -/*ARGSUSED*/ -static void -dump_zap(objset_t *os, uint64_t object, void *data, size_t size) -{ - zap_cursor_t zc; - zap_attribute_t attr; - void *prop; - int i; - - dump_zap_stats(os, object); - (void) printf("\n"); - - for (zap_cursor_init(&zc, os, object); - zap_cursor_retrieve(&zc, &attr) == 0; - zap_cursor_advance(&zc)) { - (void) printf("\t\t%s = ", attr.za_name); - if (attr.za_num_integers == 0) { - (void) printf("\n"); - continue; - } - prop = umem_zalloc(attr.za_num_integers * - attr.za_integer_length, UMEM_NOFAIL); - (void) zap_lookup(os, object, attr.za_name, - attr.za_integer_length, attr.za_num_integers, prop); - if (attr.za_integer_length == 1) { - (void) printf("%s", (char *)prop); - } else { - for (i = 0; i < attr.za_num_integers; i++) { - switch (attr.za_integer_length) { - case 2: - (void) printf("%u ", - ((uint16_t *)prop)[i]); - break; - case 4: - (void) printf("%u ", - ((uint32_t *)prop)[i]); - break; - case 8: - (void) printf("%lld ", - (u_longlong_t)((int64_t *)prop)[i]); - break; - } - } - } - (void) printf("\n"); - umem_free(prop, attr.za_num_integers * attr.za_integer_length); - } - zap_cursor_fini(&zc); -} - -static void -dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) -{ - uint64_t alloc, offset, entry; - uint8_t mapshift = sm->sm_shift; - uint64_t mapstart = sm->sm_start; - char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", - "INVALID", "INVALID", "INVALID", "INVALID" }; - - if (smo->smo_object == 0) - return; - - /* - * Print out the freelist entries in both encoded and decoded form. - */ - alloc = 0; - for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { - VERIFY(0 == dmu_read(os, smo->smo_object, offset, - sizeof (entry), &entry)); - if (SM_DEBUG_DECODE(entry)) { - (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n", - (u_longlong_t)(offset / sizeof (entry)), - ddata[SM_DEBUG_ACTION_DECODE(entry)], - (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), - (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); - } else { - (void) printf("\t\t[%4llu] %c range:" - " %08llx-%08llx size: %06llx\n", - (u_longlong_t)(offset / sizeof (entry)), - SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', - (u_longlong_t)((SM_OFFSET_DECODE(entry) << - mapshift) + mapstart), - (u_longlong_t)((SM_OFFSET_DECODE(entry) << - mapshift) + mapstart + (SM_RUN_DECODE(entry) << - mapshift)), - (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); - if (SM_TYPE_DECODE(entry) == SM_ALLOC) - alloc += SM_RUN_DECODE(entry) << mapshift; - else - alloc -= SM_RUN_DECODE(entry) << mapshift; - } - } - if (alloc != smo->smo_alloc) { - (void) printf("space_map_object alloc (%llu) INCONSISTENT " - "with space map summary (%llu)\n", - (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); - } -} - -static void -dump_metaslab(metaslab_t *msp) -{ - char freebuf[5]; - space_map_obj_t *smo = &msp->ms_smo; - vdev_t *vd = msp->ms_group->mg_vd; - spa_t *spa = vd->vdev_spa; - - nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf); - - if (dump_opt['d'] <= 5) { - (void) printf("\t%10llx %10llu %5s\n", - (u_longlong_t)msp->ms_map.sm_start, - (u_longlong_t)smo->smo_object, - freebuf); - return; - } - - (void) printf( - "\tvdev %llu offset %08llx spacemap %4llu free %5s\n", - (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start, - (u_longlong_t)smo->smo_object, freebuf); - - ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); - - dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); -} - -static void -dump_metaslabs(spa_t *spa) -{ - vdev_t *rvd = spa->spa_root_vdev; - vdev_t *vd; - int c, m; - - (void) printf("\nMetaslabs:\n"); - - for (c = 0; c < rvd->vdev_children; c++) { - vd = rvd->vdev_child[c]; - - spa_config_enter(spa, RW_READER, FTAG); - (void) printf("\n vdev %llu = %s\n\n", - (u_longlong_t)vd->vdev_id, vdev_description(vd)); - spa_config_exit(spa, FTAG); - - if (dump_opt['d'] <= 5) { - (void) printf("\t%10s %10s %5s\n", - "offset", "spacemap", "free"); - (void) printf("\t%10s %10s %5s\n", - "------", "--------", "----"); - } - for (m = 0; m < vd->vdev_ms_count; m++) - dump_metaslab(vd->vdev_ms[m]); - (void) printf("\n"); - } -} - -static void -dump_dtl(vdev_t *vd, int indent) -{ - avl_tree_t *t = &vd->vdev_dtl_map.sm_root; - spa_t *spa = vd->vdev_spa; - space_seg_t *ss; - vdev_t *pvd; - int c; - - if (indent == 0) - (void) printf("\nDirty time logs:\n\n"); - - spa_config_enter(spa, RW_READER, FTAG); - (void) printf("\t%*s%s\n", indent, "", vdev_description(vd)); - spa_config_exit(spa, FTAG); - - for (ss = avl_first(t); ss; ss = AVL_NEXT(t, ss)) { - /* - * Everything in this DTL must appear in all parent DTL unions. - */ - for (pvd = vd; pvd; pvd = pvd->vdev_parent) - ASSERT(vdev_dtl_contains(&pvd->vdev_dtl_map, - ss->ss_start, ss->ss_end - ss->ss_start)); - (void) printf("\t%*soutage [%llu,%llu] length %llu\n", - indent, "", - (u_longlong_t)ss->ss_start, - (u_longlong_t)ss->ss_end - 1, - (u_longlong_t)(ss->ss_end - ss->ss_start)); - } - - (void) printf("\n"); - - if (dump_opt['d'] > 5 && vd->vdev_children == 0) { - dump_spacemap(vd->vdev_spa->spa_meta_objset, &vd->vdev_dtl, - &vd->vdev_dtl_map); - (void) printf("\n"); - } - - for (c = 0; c < vd->vdev_children; c++) - dump_dtl(vd->vdev_child[c], indent + 4); -} - -/*ARGSUSED*/ -static void -dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) -{ -} - -static uint64_t -blkid2offset(dnode_phys_t *dnp, int level, uint64_t blkid) -{ - if (level < 0) - return (blkid); - - return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * - dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); -} - -static void -sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas) -{ - dva_t *dva = bp->blk_dva; - int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1; - int i; - - blkbuf[0] = '\0'; - - for (i = 0; i < ndvas; i++) - (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", - (u_longlong_t)DVA_GET_VDEV(&dva[i]), - (u_longlong_t)DVA_GET_OFFSET(&dva[i]), - (u_longlong_t)DVA_GET_ASIZE(&dva[i])); - - (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu", - (u_longlong_t)BP_GET_LSIZE(bp), - (u_longlong_t)BP_GET_PSIZE(bp), - (u_longlong_t)bp->blk_fill, - (u_longlong_t)bp->blk_birth); -} - -/* ARGSUSED */ -static int -zdb_indirect_cb(traverse_blk_cache_t *bc, spa_t *spa, void *a) -{ - zbookmark_t *zb = &bc->bc_bookmark; - blkptr_t *bp = &bc->bc_blkptr; - void *data = bc->bc_data; - dnode_phys_t *dnp = bc->bc_dnode; - char blkbuf[BP_SPRINTF_LEN + 80]; - int l; - - if (bc->bc_errno) { - (void) sprintf(blkbuf, - "Error %d reading <%llu, %llu, %lld, %llu>: ", - bc->bc_errno, - (u_longlong_t)zb->zb_objset, - (u_longlong_t)zb->zb_object, - (u_longlong_t)zb->zb_level, - (u_longlong_t)zb->zb_blkid); - goto out; - } - - if (zb->zb_level == -1) { - ASSERT3U(BP_GET_TYPE(bp), ==, DMU_OT_OBJSET); - ASSERT3U(BP_GET_LEVEL(bp), ==, 0); - } else { - ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); - ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); - } - - if (zb->zb_level > 0) { - uint64_t fill = 0; - blkptr_t *bpx, *bpend; - - for (bpx = data, bpend = bpx + BP_GET_LSIZE(bp) / sizeof (*bpx); - bpx < bpend; bpx++) { - if (bpx->blk_birth != 0) { - fill += bpx->blk_fill; - } else { - ASSERT(bpx->blk_fill == 0); - } - } - ASSERT3U(fill, ==, bp->blk_fill); - } - - if (zb->zb_level == 0 && dnp->dn_type == DMU_OT_DNODE) { - uint64_t fill = 0; - dnode_phys_t *dnx, *dnend; - - for (dnx = data, dnend = dnx + (BP_GET_LSIZE(bp)>>DNODE_SHIFT); - dnx < dnend; dnx++) { - if (dnx->dn_type != DMU_OT_NONE) - fill++; - } - ASSERT3U(fill, ==, bp->blk_fill); - } - - (void) sprintf(blkbuf, "%16llx ", - (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid)); - - ASSERT(zb->zb_level >= 0); - - for (l = dnp->dn_nlevels - 1; l >= -1; l--) { - if (l == zb->zb_level) { - (void) sprintf(blkbuf + strlen(blkbuf), "L%llx", - (u_longlong_t)zb->zb_level); - } else { - (void) sprintf(blkbuf + strlen(blkbuf), " "); - } - } - -out: - if (bp->blk_birth == 0) { - (void) sprintf(blkbuf + strlen(blkbuf), "<hole>"); - (void) printf("%s\n", blkbuf); - } else { - sprintf_blkptr_compact(blkbuf + strlen(blkbuf), bp, - dump_opt['d'] > 5 ? 1 : 0); - (void) printf("%s\n", blkbuf); - } - - return (bc->bc_errno ? ERESTART : 0); -} - -/*ARGSUSED*/ -static void -dump_indirect(objset_t *os, uint64_t object, void *data, size_t size) -{ - traverse_handle_t *th; - uint64_t objset = dmu_objset_id(os); - int advance = zdb_advance; - - (void) printf("Indirect blocks:\n"); - - if (object == 0) - advance |= ADVANCE_DATA; - - th = traverse_init(dmu_objset_spa(os), zdb_indirect_cb, NULL, advance, - ZIO_FLAG_CANFAIL); - th->th_noread = zdb_noread; - - traverse_add_dnode(th, 0, -1ULL, objset, object); - - while (traverse_more(th) == EAGAIN) - continue; - - (void) printf("\n"); - - traverse_fini(th); -} - -/*ARGSUSED*/ -static void -dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) -{ - dsl_dir_phys_t *dd = data; - time_t crtime; - char used[6], compressed[6], uncompressed[6], quota[6], resv[6]; - - if (dd == NULL) - return; - - ASSERT(size == sizeof (*dd)); - - crtime = dd->dd_creation_time; - nicenum(dd->dd_used_bytes, used); - nicenum(dd->dd_compressed_bytes, compressed); - nicenum(dd->dd_uncompressed_bytes, uncompressed); - nicenum(dd->dd_quota, quota); - nicenum(dd->dd_reserved, resv); - - (void) printf("\t\tcreation_time = %s", ctime(&crtime)); - (void) printf("\t\thead_dataset_obj = %llu\n", - (u_longlong_t)dd->dd_head_dataset_obj); - (void) printf("\t\tparent_dir_obj = %llu\n", - (u_longlong_t)dd->dd_parent_obj); - (void) printf("\t\tclone_parent_obj = %llu\n", - (u_longlong_t)dd->dd_clone_parent_obj); - (void) printf("\t\tchild_dir_zapobj = %llu\n", - (u_longlong_t)dd->dd_child_dir_zapobj); - (void) printf("\t\tused_bytes = %s\n", used); - (void) printf("\t\tcompressed_bytes = %s\n", compressed); - (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); - (void) printf("\t\tquota = %s\n", quota); - (void) printf("\t\treserved = %s\n", resv); - (void) printf("\t\tprops_zapobj = %llu\n", - (u_longlong_t)dd->dd_props_zapobj); -} - -/*ARGSUSED*/ -static void -dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) -{ - dsl_dataset_phys_t *ds = data; - time_t crtime; - char used[6], compressed[6], uncompressed[6], unique[6]; - char blkbuf[BP_SPRINTF_LEN]; - - if (ds == NULL) - return; - - ASSERT(size == sizeof (*ds)); - crtime = ds->ds_creation_time; - nicenum(ds->ds_used_bytes, used); - nicenum(ds->ds_compressed_bytes, compressed); - nicenum(ds->ds_uncompressed_bytes, uncompressed); - nicenum(ds->ds_unique_bytes, unique); - sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp); - - (void) printf("\t\tdataset_obj = %llu\n", - (u_longlong_t)ds->ds_dir_obj); - (void) printf("\t\tprev_snap_obj = %llu\n", - (u_longlong_t)ds->ds_prev_snap_obj); - (void) printf("\t\tprev_snap_txg = %llu\n", - (u_longlong_t)ds->ds_prev_snap_txg); - (void) printf("\t\tnext_snap_obj = %llu\n", - (u_longlong_t)ds->ds_next_snap_obj); - (void) printf("\t\tsnapnames_zapobj = %llu\n", - (u_longlong_t)ds->ds_snapnames_zapobj); - (void) printf("\t\tnum_children = %llu\n", - (u_longlong_t)ds->ds_num_children); - (void) printf("\t\tcreation_time = %s", ctime(&crtime)); - (void) printf("\t\tcreation_txg = %llu\n", - (u_longlong_t)ds->ds_creation_txg); - (void) printf("\t\tdeadlist_obj = %llu\n", - (u_longlong_t)ds->ds_deadlist_obj); - (void) printf("\t\tused_bytes = %s\n", used); - (void) printf("\t\tcompressed_bytes = %s\n", compressed); - (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); - (void) printf("\t\tunique = %s\n", unique); - (void) printf("\t\tfsid_guid = %llu\n", - (u_longlong_t)ds->ds_fsid_guid); - (void) printf("\t\tguid = %llu\n", - (u_longlong_t)ds->ds_guid); - (void) printf("\t\tflags = %llx\n", - (u_longlong_t)ds->ds_flags); - (void) printf("\t\tbp = %s\n", blkbuf); -} - -static void -dump_bplist(objset_t *mos, uint64_t object, char *name) -{ - bplist_t bpl = { 0 }; - blkptr_t blk, *bp = &blk; - uint64_t itor = 0; - char bytes[6]; - char comp[6]; - char uncomp[6]; - - if (dump_opt['d'] < 3) - return; - - VERIFY(0 == bplist_open(&bpl, mos, object)); - if (bplist_empty(&bpl)) { - bplist_close(&bpl); - return; - } - - nicenum(bpl.bpl_phys->bpl_bytes, bytes); - if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) { - nicenum(bpl.bpl_phys->bpl_comp, comp); - nicenum(bpl.bpl_phys->bpl_uncomp, uncomp); - (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n", - name, (u_longlong_t)bpl.bpl_phys->bpl_entries, - bytes, comp, uncomp); - } else { - (void) printf("\n %s: %llu entries, %s\n", - name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes); - } - - if (dump_opt['d'] < 5) { - bplist_close(&bpl); - return; - } - - (void) printf("\n"); - - while (bplist_iterate(&bpl, &itor, bp) == 0) { - char blkbuf[BP_SPRINTF_LEN]; - - ASSERT(bp->blk_birth != 0); - sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0); - (void) printf("\tItem %3llu: %s\n", - (u_longlong_t)itor - 1, blkbuf); - } - - bplist_close(&bpl); -} - -/*ARGSUSED*/ -static void -dump_znode(objset_t *os, uint64_t object, void *data, size_t size) -{ - znode_phys_t *zp = data; - time_t z_crtime, z_atime, z_mtime, z_ctime; - char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ - int error; - - ASSERT(size >= sizeof (znode_phys_t)); - - error = zfs_obj_to_path(os, object, path, sizeof (path)); - if (error != 0) { - (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", - (u_longlong_t)object); - } - - if (dump_opt['d'] < 3) { - (void) printf("\t%s\n", path); - return; - } - - z_crtime = (time_t)zp->zp_crtime[0]; - z_atime = (time_t)zp->zp_atime[0]; - z_mtime = (time_t)zp->zp_mtime[0]; - z_ctime = (time_t)zp->zp_ctime[0]; - - (void) printf("\tpath %s\n", path); - (void) printf("\tatime %s", ctime(&z_atime)); - (void) printf("\tmtime %s", ctime(&z_mtime)); - (void) printf("\tctime %s", ctime(&z_ctime)); - (void) printf("\tcrtime %s", ctime(&z_crtime)); - (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen); - (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode); - (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size); - (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent); - (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links); - (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr); - (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev); -} - -/*ARGSUSED*/ -static void -dump_acl(objset_t *os, uint64_t object, void *data, size_t size) -{ -} - -/*ARGSUSED*/ -static void -dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) -{ -} - -static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = { - dump_none, /* unallocated */ - dump_zap, /* object directory */ - dump_uint64, /* object array */ - dump_none, /* packed nvlist */ - dump_packed_nvlist, /* packed nvlist size */ - dump_none, /* bplist */ - dump_none, /* bplist header */ - dump_none, /* SPA space map header */ - dump_none, /* SPA space map */ - dump_none, /* ZIL intent log */ - dump_dnode, /* DMU dnode */ - dump_dmu_objset, /* DMU objset */ - dump_dsl_dir, /* DSL directory */ - dump_zap, /* DSL directory child map */ - dump_zap, /* DSL dataset snap map */ - dump_zap, /* DSL props */ - dump_dsl_dataset, /* DSL dataset */ - dump_znode, /* ZFS znode */ - dump_acl, /* ZFS ACL */ - dump_uint8, /* ZFS plain file */ - dump_zap, /* ZFS directory */ - dump_zap, /* ZFS master node */ - dump_zap, /* ZFS delete queue */ - dump_uint8, /* zvol object */ - dump_zap, /* zvol prop */ - dump_uint8, /* other uint8[] */ - dump_uint64, /* other uint64[] */ - dump_zap, /* other ZAP */ - dump_zap, /* persistent error log */ - dump_uint8, /* SPA history */ - dump_uint64, /* SPA history offsets */ - dump_zap, /* Pool properties */ -}; - -static void -dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) -{ - dmu_buf_t *db = NULL; - dmu_object_info_t doi; - dnode_t *dn; - void *bonus = NULL; - size_t bsize = 0; - char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6]; - char aux[50]; - int error; - - if (*print_header) { - (void) printf("\n Object lvl iblk dblk lsize" - " asize type\n"); - *print_header = 0; - } - - if (object == 0) { - dn = os->os->os_meta_dnode; - } else { - error = dmu_bonus_hold(os, object, FTAG, &db); - if (error) - fatal("dmu_bonus_hold(%llu) failed, errno %u", - object, error); - bonus = db->db_data; - bsize = db->db_size; - dn = ((dmu_buf_impl_t *)db)->db_dnode; - } - dmu_object_info_from_dnode(dn, &doi); - - nicenum(doi.doi_metadata_block_size, iblk); - nicenum(doi.doi_data_block_size, dblk); - nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1), - lsize); - nicenum(doi.doi_physical_blks << 9, asize); - nicenum(doi.doi_bonus_size, bonus_size); - - aux[0] = '\0'; - - if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) - (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", - zio_checksum_table[doi.doi_checksum].ci_name); - - if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) - (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", - zio_compress_table[doi.doi_compress].ci_name); - - (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n", - (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize, - asize, dmu_ot[doi.doi_type].ot_name, aux); - - if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { - (void) printf("%10s %3s %5s %5s %5s %5s %s\n", - "", "", "", "", bonus_size, "bonus", - dmu_ot[doi.doi_bonus_type].ot_name); - } - - if (verbosity >= 4) { - object_viewer[doi.doi_bonus_type](os, object, bonus, bsize); - object_viewer[doi.doi_type](os, object, NULL, 0); - *print_header = 1; - } - - if (verbosity >= 5) - dump_indirect(os, object, NULL, 0); - - if (verbosity >= 5) { - /* - * Report the list of segments that comprise the object. - */ - uint64_t start = 0; - uint64_t end; - uint64_t blkfill = 1; - int minlvl = 1; - - if (dn->dn_type == DMU_OT_DNODE) { - minlvl = 0; - blkfill = DNODES_PER_BLOCK; - } - - for (;;) { - error = dnode_next_offset(dn, B_FALSE, &start, minlvl, - blkfill, 0); - if (error) - break; - end = start; - error = dnode_next_offset(dn, B_TRUE, &end, minlvl, - blkfill, 0); - nicenum(end - start, segsize); - (void) printf("\t\tsegment [%016llx, %016llx)" - " size %5s\n", (u_longlong_t)start, - (u_longlong_t)end, segsize); - if (error) - break; - start = end; - } - } - - if (db != NULL) - dmu_buf_rele(db, FTAG); -} - -static char *objset_types[DMU_OST_NUMTYPES] = { - "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; - -/*ARGSUSED*/ -static void -dump_dir(objset_t *os) -{ - dmu_objset_stats_t dds; - uint64_t object, object_count; - uint64_t refdbytes, usedobjs, scratch; - char numbuf[8]; - char blkbuf[BP_SPRINTF_LEN]; - char osname[MAXNAMELEN]; - char *type = "UNKNOWN"; - int verbosity = dump_opt['d']; - int print_header = 1; - int i, error; - - dmu_objset_fast_stat(os, &dds); - - if (dds.dds_type < DMU_OST_NUMTYPES) - type = objset_types[dds.dds_type]; - - if (dds.dds_type == DMU_OST_META) { - dds.dds_creation_txg = TXG_INITIAL; - usedobjs = os->os->os_rootbp->blk_fill; - refdbytes = - os->os->os_spa->spa_dsl_pool->dp_mos_dir->dd_used_bytes; - } else { - dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); - } - - ASSERT3U(usedobjs, ==, os->os->os_rootbp->blk_fill); - - nicenum(refdbytes, numbuf); - - if (verbosity >= 4) { - (void) strcpy(blkbuf, ", rootbp "); - sprintf_blkptr(blkbuf + strlen(blkbuf), - BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp); - } else { - blkbuf[0] = '\0'; - } - - dmu_objset_name(os, osname); - - (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " - "%s, %llu objects%s\n", - osname, type, (u_longlong_t)dmu_objset_id(os), - (u_longlong_t)dds.dds_creation_txg, - numbuf, (u_longlong_t)usedobjs, blkbuf); - - dump_intent_log(dmu_objset_zil(os)); - - if (dmu_objset_ds(os) != NULL) - dump_bplist(dmu_objset_pool(os)->dp_meta_objset, - dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist"); - - if (verbosity < 2) - return; - - if (zopt_objects != 0) { - for (i = 0; i < zopt_objects; i++) - dump_object(os, zopt_object[i], verbosity, - &print_header); - (void) printf("\n"); - return; - } - - dump_object(os, 0, verbosity, &print_header); - object_count = 1; - - object = 0; - while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { - dump_object(os, object, verbosity, &print_header); - object_count++; - } - - ASSERT3U(object_count, ==, usedobjs); - - (void) printf("\n"); - - if (error != ESRCH) - fatal("dmu_object_next() = %d", error); -} - -static void -dump_uberblock(uberblock_t *ub) -{ - time_t timestamp = ub->ub_timestamp; - - (void) printf("Uberblock\n\n"); - (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); - (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); - (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); - (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); - (void) printf("\ttimestamp = %llu UTC = %s", - (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); - if (dump_opt['u'] >= 3) { - char blkbuf[BP_SPRINTF_LEN]; - sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp); - (void) printf("\trootbp = %s\n", blkbuf); - } - (void) printf("\n"); -} - -static void -dump_config(const char *pool) -{ - spa_t *spa = NULL; - - mutex_enter(&spa_namespace_lock); - while ((spa = spa_next(spa)) != NULL) { - if (pool == NULL) - (void) printf("%s\n", spa_name(spa)); - if (pool == NULL || strcmp(pool, spa_name(spa)) == 0) - dump_nvlist(spa->spa_config, 4); - } - mutex_exit(&spa_namespace_lock); -} - -static void -dump_label(const char *dev) -{ - int fd; - vdev_label_t label; - char *buf = label.vl_vdev_phys.vp_nvlist; - size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); - struct stat64 statbuf; - uint64_t psize; - int l; - - if ((fd = open64(dev, O_RDONLY)) < 0) { - (void) printf("cannot open '%s': %s\n", dev, strerror(errno)); - exit(1); - } - - if (fstat64(fd, &statbuf) != 0) { - (void) printf("failed to stat '%s': %s\n", dev, - strerror(errno)); - exit(1); - } - - if (S_ISCHR(statbuf.st_mode)) { - if (ioctl(fd, DIOCGMEDIASIZE, &psize) != 0) { - (void) printf("failed to get size '%s': %s\n", dev, - strerror(errno)); - exit(1); - } - } else - psize = statbuf.st_size; - - psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); - - for (l = 0; l < VDEV_LABELS; l++) { - - nvlist_t *config = NULL; - - (void) printf("--------------------------------------------\n"); - (void) printf("LABEL %d\n", l); - (void) printf("--------------------------------------------\n"); - - if (pread64(fd, &label, sizeof (label), - vdev_label_offset(psize, l, 0)) != sizeof (label)) { - (void) printf("failed to read label %d\n", l); - continue; - } - - if (nvlist_unpack(buf, buflen, &config, 0) != 0) { - (void) printf("failed to unpack label %d\n", l); - continue; - } - dump_nvlist(config, 4); - nvlist_free(config); - } -} - -/*ARGSUSED*/ -static int -dump_one_dir(char *dsname, void *arg) -{ - int error; - objset_t *os; - - error = dmu_objset_open(dsname, DMU_OST_ANY, - DS_MODE_STANDARD | DS_MODE_READONLY, &os); - if (error) { - (void) printf("Could not open %s\n", dsname); - return (0); - } - dump_dir(os); - dmu_objset_close(os); - return (0); -} - -static void -zdb_space_map_load(spa_t *spa) -{ - vdev_t *rvd = spa->spa_root_vdev; - vdev_t *vd; - int c, m, error; - - for (c = 0; c < rvd->vdev_children; c++) { - vd = rvd->vdev_child[c]; - for (m = 0; m < vd->vdev_ms_count; m++) { - metaslab_t *msp = vd->vdev_ms[m]; - mutex_enter(&msp->ms_lock); - error = space_map_load(&msp->ms_allocmap[0], NULL, - SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset); - mutex_exit(&msp->ms_lock); - if (error) - fatal("%s bad space map #%d, error %d", - spa->spa_name, c, error); - } - } -} - -static int -zdb_space_map_claim(spa_t *spa, blkptr_t *bp, zbookmark_t *zb) -{ - dva_t *dva = bp->blk_dva; - vdev_t *vd; - metaslab_t *msp; - space_map_t *allocmap, *freemap; - int error; - int d; - blkptr_t blk = *bp; - - for (d = 0; d < BP_GET_NDVAS(bp); d++) { - uint64_t vdev = DVA_GET_VDEV(&dva[d]); - uint64_t offset = DVA_GET_OFFSET(&dva[d]); - uint64_t size = DVA_GET_ASIZE(&dva[d]); - - if ((vd = vdev_lookup_top(spa, vdev)) == NULL) - return (ENXIO); - - if ((offset >> vd->vdev_ms_shift) >= vd->vdev_ms_count) - return (ENXIO); - - msp = vd->vdev_ms[offset >> vd->vdev_ms_shift]; - allocmap = &msp->ms_allocmap[0]; - freemap = &msp->ms_freemap[0]; - - /* Prepare our copy of the bp in case we need to read GBHs */ - if (DVA_GET_GANG(&dva[d])) { - size = vdev_psize_to_asize(vd, SPA_GANGBLOCKSIZE); - DVA_SET_ASIZE(&blk.blk_dva[d], size); - DVA_SET_GANG(&blk.blk_dva[d], 0); - } - - mutex_enter(&msp->ms_lock); - if (space_map_contains(freemap, offset, size)) { - mutex_exit(&msp->ms_lock); - return (EAGAIN); /* allocated more than once */ - } - - if (!space_map_contains(allocmap, offset, size)) { - mutex_exit(&msp->ms_lock); - return (ESTALE); /* not allocated at all */ - } - - space_map_remove(allocmap, offset, size); - space_map_add(freemap, offset, size); - - mutex_exit(&msp->ms_lock); - } - - if (BP_IS_GANG(bp)) { - zio_gbh_phys_t gbh; - int g; - - /* LINTED - compile time assert */ - ASSERT(sizeof (zio_gbh_phys_t) == SPA_GANGBLOCKSIZE); - - BP_SET_CHECKSUM(&blk, ZIO_CHECKSUM_GANG_HEADER); - BP_SET_PSIZE(&blk, SPA_GANGBLOCKSIZE); - BP_SET_LSIZE(&blk, SPA_GANGBLOCKSIZE); - BP_SET_COMPRESS(&blk, ZIO_COMPRESS_OFF); - error = zio_wait(zio_read(NULL, spa, &blk, &gbh, - SPA_GANGBLOCKSIZE, NULL, NULL, ZIO_PRIORITY_SYNC_READ, - ZIO_FLAG_CANFAIL | ZIO_FLAG_CONFIG_HELD, zb)); - if (error) - return (error); - if (BP_SHOULD_BYTESWAP(&blk)) - byteswap_uint64_array(&gbh, SPA_GANGBLOCKSIZE); - for (g = 0; g < SPA_GBH_NBLKPTRS; g++) { - if (BP_IS_HOLE(&gbh.zg_blkptr[g])) - break; - error = zdb_space_map_claim(spa, &gbh.zg_blkptr[g], zb); - if (error) - return (error); - } - } - - return (0); -} - -static void -zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) -{ - metaslab_t *msp; - - /* LINTED */ - msp = (metaslab_t *)((char *)sm - offsetof(metaslab_t, ms_allocmap[0])); - - (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", - (u_longlong_t)msp->ms_group->mg_vd->vdev_id, - (u_longlong_t)start, - (u_longlong_t)size); -} - -static void -zdb_space_map_unload(spa_t *spa) -{ - vdev_t *rvd = spa->spa_root_vdev; - vdev_t *vd; - int c, m; - - for (c = 0; c < rvd->vdev_children; c++) { - vd = rvd->vdev_child[c]; - for (m = 0; m < vd->vdev_ms_count; m++) { - metaslab_t *msp = vd->vdev_ms[m]; - mutex_enter(&msp->ms_lock); - space_map_vacate(&msp->ms_allocmap[0], zdb_leak, - &msp->ms_allocmap[0]); - space_map_unload(&msp->ms_allocmap[0]); - space_map_vacate(&msp->ms_freemap[0], NULL, NULL); - mutex_exit(&msp->ms_lock); - } - } -} - -static void -zdb_refresh_ubsync(spa_t *spa) -{ - uberblock_t ub = { 0 }; - vdev_t *rvd = spa->spa_root_vdev; - zio_t *zio; - - /* - * Reload the uberblock. - */ - zio = zio_root(spa, NULL, NULL, - ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE); - vdev_uberblock_load(zio, rvd, &ub); - (void) zio_wait(zio); - - if (ub.ub_txg != 0) - spa->spa_ubsync = ub; -} - -/* - * Verify that the sum of the sizes of all blocks in the pool adds up - * to the SPA's sa_alloc total. - */ -typedef struct zdb_blkstats { - uint64_t zb_asize; - uint64_t zb_lsize; - uint64_t zb_psize; - uint64_t zb_count; -} zdb_blkstats_t; - -#define DMU_OT_DEFERRED DMU_OT_NONE -#define DMU_OT_TOTAL DMU_OT_NUMTYPES - -#define ZB_TOTAL ZB_MAXLEVEL - -typedef struct zdb_cb { - zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1]; - uint64_t zcb_errors[256]; - traverse_blk_cache_t *zcb_cache; - int zcb_readfails; - int zcb_haderrors; -} zdb_cb_t; - -static void -zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, int type) -{ - int i, error; - - for (i = 0; i < 4; i++) { - int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; - int t = (i & 1) ? type : DMU_OT_TOTAL; - zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; - - zb->zb_asize += BP_GET_ASIZE(bp); - zb->zb_lsize += BP_GET_LSIZE(bp); - zb->zb_psize += BP_GET_PSIZE(bp); - zb->zb_count++; - } - - if (dump_opt['L']) - return; - - error = zdb_space_map_claim(spa, bp, &zcb->zcb_cache->bc_bookmark); - - if (error == 0) - return; - - if (error == EAGAIN) - (void) fatal("double-allocation, bp=%p", bp); - - if (error == ESTALE) - (void) fatal("reference to freed block, bp=%p", bp); - - (void) fatal("fatal error %d in bp %p", error, bp); -} - -static int -zdb_blkptr_cb(traverse_blk_cache_t *bc, spa_t *spa, void *arg) -{ - zbookmark_t *zb = &bc->bc_bookmark; - zdb_cb_t *zcb = arg; - blkptr_t *bp = &bc->bc_blkptr; - dmu_object_type_t type = BP_GET_TYPE(bp); - char blkbuf[BP_SPRINTF_LEN]; - int error = 0; - - if (bc->bc_errno) { - if (zcb->zcb_readfails++ < 10 && dump_opt['L']) { - zdb_refresh_ubsync(spa); - error = EAGAIN; - } else { - zcb->zcb_haderrors = 1; - zcb->zcb_errors[bc->bc_errno]++; - error = ERESTART; - } - - if (dump_opt['b'] >= 3 || (dump_opt['b'] >= 2 && bc->bc_errno)) - sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); - else - blkbuf[0] = '\0'; - - (void) printf("zdb_blkptr_cb: Got error %d reading " - "<%llu, %llu, %lld, %llx> %s -- %s\n", - bc->bc_errno, - (u_longlong_t)zb->zb_objset, - (u_longlong_t)zb->zb_object, - (u_longlong_t)zb->zb_level, - (u_longlong_t)zb->zb_blkid, - blkbuf, - error == EAGAIN ? "retrying" : "skipping"); - - return (error); - } - - zcb->zcb_readfails = 0; - - ASSERT(!BP_IS_HOLE(bp)); - - if (dump_opt['b'] >= 4) { - sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); - (void) printf("objset %llu object %llu offset 0x%llx %s\n", - (u_longlong_t)zb->zb_objset, - (u_longlong_t)zb->zb_object, - (u_longlong_t)blkid2offset(bc->bc_dnode, - zb->zb_level, zb->zb_blkid), - blkbuf); - } - - zdb_count_block(spa, zcb, bp, type); - - return (0); -} - -static int -dump_block_stats(spa_t *spa) -{ - traverse_handle_t *th; - zdb_cb_t zcb = { 0 }; - traverse_blk_cache_t dummy_cache = { 0 }; - zdb_blkstats_t *zb, *tzb; - uint64_t alloc, space; - int leaks = 0; - int advance = zdb_advance; - int flags; - int e; - - zcb.zcb_cache = &dummy_cache; - - if (dump_opt['c']) - advance |= ADVANCE_DATA; - - advance |= ADVANCE_PRUNE | ADVANCE_ZIL; - - (void) printf("\nTraversing all blocks to %sverify" - " nothing leaked ...\n", - dump_opt['c'] ? "verify checksums and " : ""); - - /* - * Load all space maps. As we traverse the pool, if we find a block - * that's not in its space map, that indicates a double-allocation, - * reference to a freed block, or an unclaimed block. Otherwise we - * remove the block from the space map. If the space maps are not - * empty when we're done, that indicates leaked blocks. - */ - if (!dump_opt['L']) - zdb_space_map_load(spa); - - /* - * If there's a deferred-free bplist, process that first. - */ - if (spa->spa_sync_bplist_obj != 0) { - bplist_t *bpl = &spa->spa_sync_bplist; - blkptr_t blk; - uint64_t itor = 0; - - VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset, - spa->spa_sync_bplist_obj)); - - while (bplist_iterate(bpl, &itor, &blk) == 0) { - if (dump_opt['b'] >= 4) { - char blkbuf[BP_SPRINTF_LEN]; - sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk); - (void) printf("[%s] %s\n", - "deferred free", blkbuf); - } - zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED); - } - - bplist_close(bpl); - } - - /* - * Now traverse the pool. If we're reading all data to verify - * checksums, do a scrubbing read so that we validate all copies. - */ - flags = ZIO_FLAG_CANFAIL; - if (advance & ADVANCE_DATA) - flags |= ZIO_FLAG_SCRUB; - th = traverse_init(spa, zdb_blkptr_cb, &zcb, advance, flags); - th->th_noread = zdb_noread; - - traverse_add_pool(th, 0, spa_first_txg(spa) + TXG_CONCURRENT_STATES); - - while (traverse_more(th) == EAGAIN) - continue; - - traverse_fini(th); - - if (zcb.zcb_haderrors) { - (void) printf("\nError counts:\n\n"); - (void) printf("\t%5s %s\n", "errno", "count"); - for (e = 0; e < 256; e++) { - if (zcb.zcb_errors[e] != 0) { - (void) printf("\t%5d %llu\n", - e, (u_longlong_t)zcb.zcb_errors[e]); - } - } - } - - /* - * Report any leaked segments. - */ - if (!dump_opt['L']) - zdb_space_map_unload(spa); - - if (dump_opt['L']) - (void) printf("\n\n *** Live pool traversal; " - "block counts are only approximate ***\n\n"); - - alloc = spa_get_alloc(spa); - space = spa_get_space(spa); - - tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL]; - - if (tzb->zb_asize == alloc) { - (void) printf("\n\tNo leaks (block sum matches space" - " maps exactly)\n"); - } else { - (void) printf("block traversal size %llu != alloc %llu " - "(leaked %lld)\n", - (u_longlong_t)tzb->zb_asize, - (u_longlong_t)alloc, - (u_longlong_t)(alloc - tzb->zb_asize)); - leaks = 1; - } - - if (tzb->zb_count == 0) - return (2); - - (void) printf("\n"); - (void) printf("\tbp count: %10llu\n", - (u_longlong_t)tzb->zb_count); - (void) printf("\tbp logical: %10llu\t avg: %6llu\n", - (u_longlong_t)tzb->zb_lsize, - (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); - (void) printf("\tbp physical: %10llu\t avg:" - " %6llu\tcompression: %6.2f\n", - (u_longlong_t)tzb->zb_psize, - (u_longlong_t)(tzb->zb_psize / tzb->zb_count), - (double)tzb->zb_lsize / tzb->zb_psize); - (void) printf("\tbp allocated: %10llu\t avg:" - " %6llu\tcompression: %6.2f\n", - (u_longlong_t)tzb->zb_asize, - (u_longlong_t)(tzb->zb_asize / tzb->zb_count), - (double)tzb->zb_lsize / tzb->zb_asize); - (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n", - (u_longlong_t)alloc, 100.0 * alloc / space); - - if (dump_opt['b'] >= 2) { - int l, t, level; - (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" - "\t avg\t comp\t%%Total\tType\n"); - - for (t = 0; t <= DMU_OT_NUMTYPES; t++) { - char csize[6], lsize[6], psize[6], asize[6], avg[6]; - char *typename; - - typename = t == DMU_OT_DEFERRED ? "deferred free" : - t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name; - - if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { - (void) printf("%6s\t%5s\t%5s\t%5s" - "\t%5s\t%5s\t%6s\t%s\n", - "-", - "-", - "-", - "-", - "-", - "-", - "-", - typename); - continue; - } - - for (l = ZB_TOTAL - 1; l >= -1; l--) { - level = (l == -1 ? ZB_TOTAL : l); - zb = &zcb.zcb_type[level][t]; - - if (zb->zb_asize == 0) - continue; - - if (dump_opt['b'] < 3 && level != ZB_TOTAL) - continue; - - if (level == 0 && zb->zb_asize == - zcb.zcb_type[ZB_TOTAL][t].zb_asize) - continue; - - nicenum(zb->zb_count, csize); - nicenum(zb->zb_lsize, lsize); - nicenum(zb->zb_psize, psize); - nicenum(zb->zb_asize, asize); - nicenum(zb->zb_asize / zb->zb_count, avg); - - (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" - "\t%5.2f\t%6.2f\t", - csize, lsize, psize, asize, avg, - (double)zb->zb_lsize / zb->zb_psize, - 100.0 * zb->zb_asize / tzb->zb_asize); - - if (level == ZB_TOTAL) - (void) printf("%s\n", typename); - else - (void) printf(" L%d %s\n", - level, typename); - } - } - } - - (void) printf("\n"); - - if (leaks) - return (2); - - if (zcb.zcb_haderrors) - return (3); - - return (0); -} - -static void -dump_zpool(spa_t *spa) -{ - dsl_pool_t *dp = spa_get_dsl(spa); - int rc = 0; - - if (dump_opt['u']) - dump_uberblock(&spa->spa_uberblock); - - if (dump_opt['d'] || dump_opt['i']) { - dump_dir(dp->dp_meta_objset); - if (dump_opt['d'] >= 3) { - dump_bplist(dp->dp_meta_objset, - spa->spa_sync_bplist_obj, "Deferred frees"); - dump_dtl(spa->spa_root_vdev, 0); - dump_metaslabs(spa); - } - (void) dmu_objset_find(spa->spa_name, dump_one_dir, NULL, - DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); - } - - if (dump_opt['b'] || dump_opt['c']) - rc = dump_block_stats(spa); - - if (dump_opt['s']) - show_pool_stats(spa); - - if (rc != 0) - exit(rc); -} - -#define ZDB_FLAG_CHECKSUM 0x0001 -#define ZDB_FLAG_DECOMPRESS 0x0002 -#define ZDB_FLAG_BSWAP 0x0004 -#define ZDB_FLAG_GBH 0x0008 -#define ZDB_FLAG_INDIRECT 0x0010 -#define ZDB_FLAG_PHYS 0x0020 -#define ZDB_FLAG_RAW 0x0040 -#define ZDB_FLAG_PRINT_BLKPTR 0x0080 - -int flagbits[256]; - -static void -zdb_print_blkptr(blkptr_t *bp, int flags) -{ - dva_t *dva = bp->blk_dva; - int d; - - if (flags & ZDB_FLAG_BSWAP) - byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); - /* - * Super-ick warning: This code is also duplicated in - * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code - * replication, too. - */ - for (d = 0; d < BP_GET_NDVAS(bp); d++) { - (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d, - (longlong_t)DVA_GET_VDEV(&dva[d]), - (longlong_t)DVA_GET_OFFSET(&dva[d])); - (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t" - "ASIZE: %llx\n", d, - DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE", - (longlong_t)DVA_GET_GRID(&dva[d]), - (longlong_t)DVA_GET_ASIZE(&dva[d])); - (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d, - (u_longlong_t)DVA_GET_VDEV(&dva[d]), - (longlong_t)DVA_GET_OFFSET(&dva[d]), - (longlong_t)BP_GET_PSIZE(bp), - BP_SHOULD_BYTESWAP(bp) ? "e" : "", - !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ? - "d" : "", - DVA_GET_GANG(&dva[d]) ? "g" : "", - BP_GET_COMPRESS(bp) != 0 ? "d" : ""); - } - (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n", - (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp)); - (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n", - BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG", - dmu_ot[BP_GET_TYPE(bp)].ot_name); - (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n", - (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp), - (u_longlong_t)bp->blk_fill); - (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n", - zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name, - zio_compress_table[BP_GET_COMPRESS(bp)].ci_name); - (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n", - (u_longlong_t)bp->blk_cksum.zc_word[0], - (u_longlong_t)bp->blk_cksum.zc_word[1], - (u_longlong_t)bp->blk_cksum.zc_word[2], - (u_longlong_t)bp->blk_cksum.zc_word[3]); -} - -static void -zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) -{ - int i; - - for (i = 0; i < nbps; i++) - zdb_print_blkptr(&bp[i], flags); -} - -static void -zdb_dump_gbh(void *buf, int flags) -{ - zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); -} - -static void -zdb_dump_block_raw(void *buf, uint64_t size, int flags) -{ - if (flags & ZDB_FLAG_BSWAP) - byteswap_uint64_array(buf, size); - (void) write(2, buf, size); -} - -static void -zdb_dump_block(char *label, void *buf, uint64_t size, int flags) -{ - uint64_t *d = (uint64_t *)buf; - int nwords = size / sizeof (uint64_t); - int do_bswap = !!(flags & ZDB_FLAG_BSWAP); - int i, j; - char *hdr, *c; - - - if (do_bswap) - hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; - else - hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; - - (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); - - for (i = 0; i < nwords; i += 2) { - (void) printf("%06llx: %016llx %016llx ", - (u_longlong_t)(i * sizeof (uint64_t)), - (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), - (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); - - c = (char *)&d[i]; - for (j = 0; j < 2 * sizeof (uint64_t); j++) - (void) printf("%c", isprint(c[j]) ? c[j] : '.'); - (void) printf("\n"); - } -} - -/* - * There are two acceptable formats: - * leaf_name - For example: c1t0d0 or /tmp/ztest.0a - * child[.child]* - For example: 0.1.1 - * - * The second form can be used to specify arbitrary vdevs anywhere - * in the heirarchy. For example, in a pool with a mirror of - * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . - */ -static vdev_t * -zdb_vdev_lookup(vdev_t *vdev, char *path) -{ - char *s, *p, *q; - int i; - - if (vdev == NULL) - return (NULL); - - /* First, assume the x.x.x.x format */ - i = (int)strtoul(path, &s, 10); - if (s == path || (s && *s != '.' && *s != '\0')) - goto name; - if (i < 0 || i >= vdev->vdev_children) - return (NULL); - - vdev = vdev->vdev_child[i]; - if (*s == '\0') - return (vdev); - return (zdb_vdev_lookup(vdev, s+1)); - -name: - for (i = 0; i < vdev->vdev_children; i++) { - vdev_t *vc = vdev->vdev_child[i]; - - if (vc->vdev_path == NULL) { - vc = zdb_vdev_lookup(vc, path); - if (vc == NULL) - continue; - else - return (vc); - } - - p = strrchr(vc->vdev_path, '/'); - p = p ? p + 1 : vc->vdev_path; - q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; - - if (strcmp(vc->vdev_path, path) == 0) - return (vc); - if (strcmp(p, path) == 0) - return (vc); - if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) - return (vc); - } - - return (NULL); -} - -/* - * Read a block from a pool and print it out. The syntax of the - * block descriptor is: - * - * pool:vdev_specifier:offset:size[:flags] - * - * pool - The name of the pool you wish to read from - * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) - * offset - offset, in hex, in bytes - * size - Amount of data to read, in hex, in bytes - * flags - A string of characters specifying options - * b: Decode a blkptr at given offset within block - * *c: Calculate and display checksums - * *d: Decompress data before dumping - * e: Byteswap data before dumping - * *g: Display data as a gang block header - * *i: Display as an indirect block - * p: Do I/O to physical offset - * r: Dump raw data to stdout - * - * * = not yet implemented - */ -static void -zdb_read_block(char *thing, spa_t **spap) -{ - spa_t *spa = *spap; - int flags = 0; - uint64_t offset = 0, size = 0, blkptr_offset = 0; - zio_t *zio; - vdev_t *vd; - void *buf; - char *s, *p, *dup, *spa_name, *vdev, *flagstr; - int i, error, zio_flags; - - dup = strdup(thing); - s = strtok(dup, ":"); - spa_name = s ? s : ""; - s = strtok(NULL, ":"); - vdev = s ? s : ""; - s = strtok(NULL, ":"); - offset = strtoull(s ? s : "", NULL, 16); - s = strtok(NULL, ":"); - size = strtoull(s ? s : "", NULL, 16); - s = strtok(NULL, ":"); - flagstr = s ? s : ""; - - s = NULL; - if (size == 0) - s = "size must not be zero"; - if (!IS_P2ALIGNED(size, DEV_BSIZE)) - s = "size must be a multiple of sector size"; - if (!IS_P2ALIGNED(offset, DEV_BSIZE)) - s = "offset must be a multiple of sector size"; - if (s) { - (void) printf("Invalid block specifier: %s - %s\n", thing, s); - free(dup); - return; - } - - for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { - for (i = 0; flagstr[i]; i++) { - int bit = flagbits[(uchar_t)flagstr[i]]; - - if (bit == 0) { - (void) printf("***Invalid flag: %c\n", - flagstr[i]); - continue; - } - flags |= bit; - - /* If it's not something with an argument, keep going */ - if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS | - ZDB_FLAG_PRINT_BLKPTR)) == 0) - continue; - - p = &flagstr[i + 1]; - if (bit == ZDB_FLAG_PRINT_BLKPTR) - blkptr_offset = strtoull(p, &p, 16); - if (*p != ':' && *p != '\0') { - (void) printf("***Invalid flag arg: '%s'\n", s); - free(dup); - return; - } - } - } - - if (spa == NULL || spa->spa_name == NULL || - strcmp(spa->spa_name, spa_name)) { - if (spa && spa->spa_name) - spa_close(spa, (void *)zdb_read_block); - error = spa_open(spa_name, spap, (void *)zdb_read_block); - if (error) - fatal("Failed to open pool '%s': %s", - spa_name, strerror(error)); - spa = *spap; - } - - vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); - if (vd == NULL) { - (void) printf("***Invalid vdev: %s\n", vdev); - free(dup); - return; - } else { - if (vd->vdev_path) - (void) printf("Found vdev: %s\n", vd->vdev_path); - else - (void) printf("Found vdev type: %s\n", - vd->vdev_ops->vdev_op_type); - } - - buf = umem_alloc(size, UMEM_NOFAIL); - - zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | - ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | ZIO_FLAG_NOBOOKMARK; - - if (flags & ZDB_FLAG_PHYS) - zio_flags |= ZIO_FLAG_PHYSICAL; - - zio = zio_root(spa, NULL, NULL, 0); - /* XXX todo - cons up a BP so RAID-Z will be happy */ - zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size, - ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL)); - error = zio_wait(zio); - - if (error) { - (void) printf("Read of %s failed, error: %d\n", thing, error); - goto out; - } - - if (flags & ZDB_FLAG_PRINT_BLKPTR) - zdb_print_blkptr((blkptr_t *)(void *) - ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); - else if (flags & ZDB_FLAG_RAW) - zdb_dump_block_raw(buf, size, flags); - else if (flags & ZDB_FLAG_INDIRECT) - zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), - flags); - else if (flags & ZDB_FLAG_GBH) - zdb_dump_gbh(buf, flags); - else - zdb_dump_block(thing, buf, size, flags); - -out: - umem_free(buf, size); - free(dup); -} - -int -main(int argc, char **argv) -{ - int i, c; - struct rlimit rl = { 1024, 1024 }; - spa_t *spa; - objset_t *os = NULL; - char *endstr; - int dump_all = 1; - int verbose = 0; - int error; - int flag, set; - - (void) setrlimit(RLIMIT_NOFILE, &rl); - (void) enable_extended_FILE_stdio(-1, -1); - - dprintf_setup(&argc, argv); - - while ((c = getopt(argc, argv, "udibcsvCLO:B:UlR")) != -1) { - switch (c) { - case 'u': - case 'd': - case 'i': - case 'b': - case 'c': - case 's': - case 'C': - case 'l': - case 'R': - dump_opt[c]++; - dump_all = 0; - break; - case 'L': - dump_opt[c]++; - break; - case 'O': - endstr = optarg; - if (endstr[0] == '!') { - endstr++; - set = 0; - } else { - set = 1; - } - if (strcmp(endstr, "post") == 0) { - flag = ADVANCE_PRE; - set = !set; - } else if (strcmp(endstr, "pre") == 0) { - flag = ADVANCE_PRE; - } else if (strcmp(endstr, "prune") == 0) { - flag = ADVANCE_PRUNE; - } else if (strcmp(endstr, "data") == 0) { - flag = ADVANCE_DATA; - } else if (strcmp(endstr, "holes") == 0) { - flag = ADVANCE_HOLES; - } else { - usage(); - } - if (set) - zdb_advance |= flag; - else - zdb_advance &= ~flag; - break; - case 'B': - endstr = optarg - 1; - zdb_noread.zb_objset = strtoull(endstr + 1, &endstr, 0); - zdb_noread.zb_object = strtoull(endstr + 1, &endstr, 0); - zdb_noread.zb_level = strtol(endstr + 1, &endstr, 0); - zdb_noread.zb_blkid = strtoull(endstr + 1, &endstr, 16); - (void) printf("simulating bad block " - "<%llu, %llu, %lld, %llx>\n", - (u_longlong_t)zdb_noread.zb_objset, - (u_longlong_t)zdb_noread.zb_object, - (u_longlong_t)zdb_noread.zb_level, - (u_longlong_t)zdb_noread.zb_blkid); - break; - case 'v': - verbose++; - break; - case 'U': - spa_config_dir = "/tmp"; - break; - default: - usage(); - break; - } - } - - kernel_init(FREAD); - - /* - * Disable vdev caching. If we don't do this, live pool traversal - * won't make progress because it will never see disk updates. - */ - zfs_vdev_cache_size = 0; - - for (c = 0; c < 256; c++) { - if (dump_all && c != 'L' && c != 'l' && c != 'R') - dump_opt[c] = 1; - if (dump_opt[c]) - dump_opt[c] += verbose; - } - - argc -= optind; - argv += optind; - - if (argc < 1) { - if (dump_opt['C']) { - dump_config(NULL); - return (0); - } - usage(); - } - - if (dump_opt['l']) { - dump_label(argv[0]); - return (0); - } - - if (dump_opt['R']) { - flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; - flagbits['c'] = ZDB_FLAG_CHECKSUM; - flagbits['d'] = ZDB_FLAG_DECOMPRESS; - flagbits['e'] = ZDB_FLAG_BSWAP; - flagbits['g'] = ZDB_FLAG_GBH; - flagbits['i'] = ZDB_FLAG_INDIRECT; - flagbits['p'] = ZDB_FLAG_PHYS; - flagbits['r'] = ZDB_FLAG_RAW; - - spa = NULL; - while (argv[0]) { - zdb_read_block(argv[0], &spa); - argv++; - argc--; - } - if (spa) - spa_close(spa, (void *)zdb_read_block); - return (0); - } - - if (dump_opt['C']) - dump_config(argv[0]); - - if (strchr(argv[0], '/') != NULL) { - error = dmu_objset_open(argv[0], DMU_OST_ANY, - DS_MODE_STANDARD | DS_MODE_READONLY, &os); - } else { - error = spa_open(argv[0], &spa, FTAG); - } - - if (error) - fatal("can't open %s: %s", argv[0], strerror(error)); - - argv++; - if (--argc > 0) { - zopt_objects = argc; - zopt_object = calloc(zopt_objects, sizeof (uint64_t)); - for (i = 0; i < zopt_objects; i++) { - errno = 0; - zopt_object[i] = strtoull(argv[i], NULL, 0); - if (zopt_object[i] == 0 && errno != 0) - fatal("bad object number %s: %s", - argv[i], strerror(errno)); - } - } - - if (os != NULL) { - dump_dir(os); - dmu_objset_close(os); - } else { - dump_zpool(spa); - spa_close(spa, FTAG); - } - - kernel_fini(); - - return (0); -} |
