diff options
Diffstat (limited to 'cddl/contrib/opensolaris/cmd/zdb/zdb.c')
| -rw-r--r-- | cddl/contrib/opensolaris/cmd/zdb/zdb.c | 2193 |
1 files changed, 2193 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/cmd/zdb/zdb.c b/cddl/contrib/opensolaris/cmd/zdb/zdb.c new file mode 100644 index 0000000..2dc459d --- /dev/null +++ b/cddl/contrib/opensolaris/cmd/zdb/zdb.c @@ -0,0 +1,2193 @@ +/* + * 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); +} |
