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-rw-r--r--cmd/zdb/zdb.c138
1 files changed, 100 insertions, 38 deletions
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index 0ced25865..a310fc38b 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -19,7 +19,7 @@
* CDDL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -102,7 +102,9 @@ usage(void)
(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, " -m metaslabs\n");
+ (void) fprintf(stderr, " -c checksum all metadata (twice for "
+ "all data) blocks\n");
(void) fprintf(stderr, " -s report stats on zdb's I/O\n");
(void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- "
"dump blkptr signatures\n");
@@ -125,6 +127,11 @@ usage(void)
exit(1);
}
+/*
+ * Called for usage errors that are discovered after a call to spa_open(),
+ * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
+ */
+
static void
fatal(const char *fmt, ...)
{
@@ -136,7 +143,7 @@ fatal(const char *fmt, ...)
va_end(ap);
(void) fprintf(stderr, "\n");
- abort();
+ exit(1);
}
static void
@@ -209,7 +216,7 @@ dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
size_t nvsize = *(uint64_t *)data;
char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
- VERIFY(0 == dmu_read(os, object, 0, nvsize, packed));
+ VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
@@ -435,7 +442,7 @@ dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
alloc = 0;
for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
VERIFY(0 == dmu_read(os, smo->smo_object, offset,
- sizeof (entry), &entry));
+ sizeof (entry), &entry, DMU_READ_PREFETCH));
if (SM_DEBUG_DECODE(entry)) {
(void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n",
(u_longlong_t)(offset / sizeof (entry)),
@@ -467,6 +474,21 @@ dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
}
static void
+dump_metaslab_stats(metaslab_t *msp)
+{
+ char maxbuf[5];
+ space_map_t *sm = &msp->ms_map;
+ avl_tree_t *t = sm->sm_pp_root;
+ int free_pct = sm->sm_space * 100 / sm->sm_size;
+
+ nicenum(space_map_maxsize(sm), maxbuf);
+
+ (void) printf("\t %20s %10lu %7s %6s %4s %4d%%\n",
+ "segments", avl_numnodes(t), "maxsize", maxbuf,
+ "freepct", free_pct);
+}
+
+static void
dump_metaslab(metaslab_t *msp)
{
char freebuf[5];
@@ -476,22 +498,28 @@ dump_metaslab(metaslab_t *msp)
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",
+ "\tvdev %5llu offset %12llx spacemap %6llu 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));
+ if (dump_opt['m'] > 1) {
+ mutex_enter(&msp->ms_lock);
+ VERIFY(space_map_load(&msp->ms_map, zfs_metaslab_ops,
+ SM_FREE, &msp->ms_smo, spa->spa_meta_objset) == 0);
+ dump_metaslab_stats(msp);
+ space_map_unload(&msp->ms_map);
+ mutex_exit(&msp->ms_lock);
+ }
+
+ if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
+ ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
+
+ mutex_enter(&msp->ms_lock);
+ dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
+ mutex_exit(&msp->ms_lock);
+ }
- dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
}
static void
@@ -506,14 +534,12 @@ dump_metaslabs(spa_t *spa)
for (c = 0; c < rvd->vdev_children; c++) {
vd = rvd->vdev_child[c];
- (void) printf("\n vdev %llu\n\n", (u_longlong_t)vd->vdev_id);
+ (void) printf("\t%-10s %-19s %-15s %-10s\n",
+ "vdev", "offset", "spacemap", "free");
+ (void) printf("\t%10s %19s %15s %10s\n",
+ "----------", "-------------------",
+ "---------------", "-------------");
- 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");
@@ -917,6 +943,7 @@ dump_uidgid(objset_t *os, znode_phys_t *zp)
/* first find the fuid object. It lives in the master node */
VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
8, 1, &fuid_obj) == 0);
+ zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
(void) zfs_fuid_table_load(os, fuid_obj,
&idx_tree, &domain_tree);
fuid_table_loaded = B_TRUE;
@@ -1020,6 +1047,8 @@ static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = {
dump_packed_nvlist, /* FUID nvlist size */
dump_zap, /* DSL dataset next clones */
dump_zap, /* DSL scrub queue */
+ dump_zap, /* ZFS user/group used */
+ dump_zap, /* ZFS user/group quota */
};
static void
@@ -1083,6 +1112,14 @@ dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
}
if (verbosity >= 4) {
+ (void) printf("\tdnode flags: %s%s\n",
+ (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
+ "USED_BYTES " : "",
+ (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
+ "USERUSED_ACCOUNTED " : "");
+ (void) printf("\tdnode maxblkid: %llu\n",
+ (longlong_t)dn->dn_phys->dn_maxblkid);
+
object_viewer[doi.doi_bonus_type](os, object, bonus, bsize);
object_viewer[doi.doi_type](os, object, NULL, 0);
*print_header = 1;
@@ -1137,7 +1174,7 @@ dump_dir(objset_t *os)
uint64_t object, object_count;
uint64_t refdbytes, usedobjs, scratch;
char numbuf[8];
- char blkbuf[BP_SPRINTF_LEN];
+ char blkbuf[BP_SPRINTF_LEN + 20];
char osname[MAXNAMELEN];
char *type = "UNKNOWN";
int verbosity = dump_opt['d'];
@@ -1163,8 +1200,8 @@ dump_dir(objset_t *os)
nicenum(refdbytes, numbuf);
if (verbosity >= 4) {
- (void) strcpy(blkbuf, ", rootbp ");
- sprintf_blkptr(blkbuf + strlen(blkbuf),
+ (void) sprintf(blkbuf + strlen(blkbuf), ", rootbp ");
+ (void) sprintf_blkptr(blkbuf + strlen(blkbuf),
BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp);
} else {
blkbuf[0] = '\0';
@@ -1199,7 +1236,12 @@ dump_dir(objset_t *os)
}
dump_object(os, 0, verbosity, &print_header);
- object_count = 1;
+ object_count = 0;
+ if (os->os->os_userused_dnode &&
+ os->os->os_userused_dnode->dn_type != 0) {
+ dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
+ dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
+ }
object = 0;
while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
@@ -1211,8 +1253,10 @@ dump_dir(objset_t *os)
(void) printf("\n");
- if (error != ESRCH)
- fatal("dmu_object_next() = %d", error);
+ if (error != ESRCH) {
+ (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
+ abort();
+ }
}
static void
@@ -1395,7 +1439,8 @@ static space_map_ops_t zdb_space_map_ops = {
zdb_space_map_unload,
NULL, /* alloc */
zdb_space_map_claim,
- NULL /* free */
+ NULL, /* free */
+ NULL /* maxsize */
};
static void
@@ -1505,13 +1550,25 @@ zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb,
{
zdb_cb_t *zcb = arg;
char blkbuf[BP_SPRINTF_LEN];
+ dmu_object_type_t type;
+ boolean_t is_l0_metadata;
if (bp == NULL)
return (0);
- zdb_count_block(spa, zcb, bp, BP_GET_TYPE(bp));
+ type = BP_GET_TYPE(bp);
+
+ zdb_count_block(spa, zcb, bp, type);
- if (dump_opt['c'] || dump_opt['S']) {
+ /*
+ * if we do metadata-only checksumming there's no need to checksum
+ * indirect blocks here because it is done during traverse
+ */
+ is_l0_metadata = (BP_GET_LEVEL(bp) == 0 && type < DMU_OT_NUMTYPES &&
+ dmu_ot[type].ot_metadata);
+
+ if (dump_opt['c'] > 1 || dump_opt['S'] ||
+ (dump_opt['c'] && is_l0_metadata)) {
int ioerr, size;
void *data;
@@ -1523,7 +1580,7 @@ zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb,
free(data);
/* We expect io errors on intent log */
- if (ioerr && BP_GET_TYPE(bp) != DMU_OT_INTENT_LOG) {
+ if (ioerr && type != DMU_OT_INTENT_LOG) {
zcb->zcb_haderrors = 1;
zcb->zcb_errors[ioerr]++;
@@ -1571,8 +1628,9 @@ dump_block_stats(spa_t *spa)
int c, e;
if (!dump_opt['S']) {
- (void) printf("\nTraversing all blocks %s%s%s%s...\n",
+ (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
(dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
+ (dump_opt['c'] == 1) ? "metadata " : "",
dump_opt['c'] ? "checksums " : "",
(dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
!dump_opt['L'] ? "nothing leaked " : "");
@@ -1772,14 +1830,17 @@ dump_zpool(spa_t *spa)
if (dump_opt['u'])
dump_uberblock(&spa->spa_uberblock);
- if (dump_opt['d'] || dump_opt['i']) {
+ if (dump_opt['d'] || dump_opt['i'] || dump_opt['m']) {
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);
}
+
+ if (dump_opt['d'] >= 3 || dump_opt['m'])
+ dump_metaslabs(spa);
+
(void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL,
DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
}
@@ -2255,13 +2316,14 @@ main(int argc, char **argv)
dprintf_setup(&argc, argv);
- while ((c = getopt(argc, argv, "udibcsvCLS:U:lRep:t:")) != -1) {
+ while ((c = getopt(argc, argv, "udibcmsvCLS:U:lRep:t:")) != -1) {
switch (c) {
case 'u':
case 'd':
case 'i':
case 'b':
case 'c':
+ case 'm':
case 's':
case 'C':
case 'l':
@@ -2397,7 +2459,7 @@ main(int argc, char **argv)
}
if (error == 0)
- error = spa_import_faulted(argv[0],
+ error = spa_import_verbatim(argv[0],
exported_conf, nvl);
nvlist_free(nvl);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 06:44:18 +0000