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-rw-r--r--cmd/zdb/zdb.c117
1 files changed, 74 insertions, 43 deletions
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index 253a1346a..0ced25865 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -87,8 +87,8 @@ static void
usage(void)
{
(void) fprintf(stderr,
- "Usage: %s [-udibcsv] [-U cachefile_path] "
- "[-S user:cksumalg] "
+ "Usage: %s [-udibcsvL] [-U cachefile_path] [-t txg]\n"
+ "\t [-S user:cksumalg] "
"dataset [object...]\n"
" %s -C [pool]\n"
" %s -l dev\n"
@@ -108,6 +108,8 @@ usage(void)
"dump blkptr signatures\n");
(void) fprintf(stderr, " -v verbose (applies to all others)\n");
(void) fprintf(stderr, " -l dump label contents\n");
+ (void) fprintf(stderr, " -L disable leak tracking (do not "
+ "load spacemaps)\n");
(void) fprintf(stderr, " -U cachefile_path -- use alternate "
"cachefile\n");
(void) fprintf(stderr, " -R read and display block from a "
@@ -115,6 +117,8 @@ usage(void)
(void) fprintf(stderr, " -e Pool is exported/destroyed/"
"has altroot\n");
(void) fprintf(stderr, " -p <Path to vdev dir> (use with -e)\n");
+ (void) fprintf(stderr, " -t <txg> highest txg to use when "
+ "searching for uberblocks\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");
@@ -517,44 +521,52 @@ dump_metaslabs(spa_t *spa)
}
static void
+dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
+{
+ char *prefix = (void *)sm;
+
+ (void) printf("%s [%llu,%llu) length %llu\n",
+ prefix,
+ (u_longlong_t)start,
+ (u_longlong_t)(start + size),
+ (u_longlong_t)(size));
+}
+
+static void
dump_dtl(vdev_t *vd, int indent)
{
- avl_tree_t *t = &vd->vdev_dtl_map.sm_root;
- space_seg_t *ss;
- vdev_t *pvd;
- int c;
+ spa_t *spa = vd->vdev_spa;
+ boolean_t required;
+ char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
+ char prefix[256];
+
+ spa_vdev_state_enter(spa);
+ required = vdev_dtl_required(vd);
+ (void) spa_vdev_state_exit(spa, NULL, 0);
if (indent == 0)
(void) printf("\nDirty time logs:\n\n");
- (void) printf("\t%*s%s\n", indent, "",
+ (void) printf("\t%*s%s [%s]\n", indent, "",
vd->vdev_path ? vd->vdev_path :
- vd->vdev_parent ? vd->vdev_ops->vdev_op_type :
- spa_name(vd->vdev_spa));
-
- 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");
+ vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
+ required ? "DTL-required" : "DTL-expendable");
- 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 (int t = 0; t < DTL_TYPES; t++) {
+ space_map_t *sm = &vd->vdev_dtl[t];
+ if (sm->sm_space == 0)
+ continue;
+ (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
+ indent + 2, "", name[t]);
+ mutex_enter(sm->sm_lock);
+ space_map_walk(sm, dump_dtl_seg, (void *)prefix);
+ mutex_exit(sm->sm_lock);
+ if (dump_opt['d'] > 5 && vd->vdev_children == 0)
+ dump_spacemap(spa->spa_meta_objset,
+ &vd->vdev_dtl_smo, sm);
}
- for (c = 0; c < vd->vdev_children; c++)
+ for (int c = 0; c < vd->vdev_children; c++)
dump_dtl(vd->vdev_child[c], indent + 4);
}
@@ -668,7 +680,8 @@ visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
break;
fill += cbp->blk_fill;
}
- ASSERT3U(fill, ==, bp->blk_fill);
+ if (!err)
+ ASSERT3U(fill, ==, bp->blk_fill);
(void) arc_buf_remove_ref(buf, &buf);
}
@@ -1481,8 +1494,9 @@ zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, dmu_object_type_t type)
}
}
- VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp,
- NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0);
+ if (!dump_opt['L'])
+ VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp,
+ NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0);
}
static int
@@ -1557,9 +1571,11 @@ dump_block_stats(spa_t *spa)
int c, e;
if (!dump_opt['S']) {
- (void) printf("\nTraversing all blocks to %sverify"
- " nothing leaked ...\n",
- dump_opt['c'] ? "verify checksums and " : "");
+ (void) printf("\nTraversing all blocks %s%s%s%s...\n",
+ (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
+ dump_opt['c'] ? "checksums " : "",
+ (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
+ !dump_opt['L'] ? "nothing leaked " : "");
}
/*
@@ -1570,7 +1586,8 @@ dump_block_stats(spa_t *spa)
* it's not part of any space map) is a double allocation,
* reference to a freed block, or an unclaimed log block.
*/
- zdb_leak_init(spa);
+ if (!dump_opt['L'])
+ zdb_leak_init(spa);
/*
* If there's a deferred-free bplist, process that first.
@@ -1612,7 +1629,8 @@ dump_block_stats(spa_t *spa)
/*
* Report any leaked segments.
*/
- zdb_leak_fini(spa);
+ if (!dump_opt['L'])
+ zdb_leak_fini(spa);
/*
* If we're interested in printing out the blkptr signatures,
@@ -1638,14 +1656,16 @@ dump_block_stats(spa_t *spa)
tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL];
if (tzb->zb_asize == alloc + logalloc) {
- (void) printf("\n\tNo leaks (block sum matches space"
- " maps exactly)\n");
+ if (!dump_opt['L'])
+ (void) printf("\n\tNo leaks (block sum matches space"
+ " maps exactly)\n");
} else {
(void) printf("block traversal size %llu != alloc %llu "
- "(leaked %lld)\n",
+ "(%s %lld)\n",
(u_longlong_t)tzb->zb_asize,
(u_longlong_t)alloc + logalloc,
- (u_longlong_t)(alloc + logalloc - tzb->zb_asize));
+ (dump_opt['L']) ? "unreachable" : "leaked",
+ (longlong_t)(alloc + logalloc - tzb->zb_asize));
leaks = 1;
}
@@ -2235,7 +2255,7 @@ main(int argc, char **argv)
dprintf_setup(&argc, argv);
- while ((c = getopt(argc, argv, "udibcsvCS:U:lRep:")) != -1) {
+ while ((c = getopt(argc, argv, "udibcsvCLS:U:lRep:t:")) != -1) {
switch (c) {
case 'u':
case 'd':
@@ -2249,6 +2269,9 @@ main(int argc, char **argv)
dump_opt[c]++;
dump_all = 0;
break;
+ case 'L':
+ dump_opt[c]++;
+ break;
case 'v':
verbose++;
break;
@@ -2279,6 +2302,14 @@ main(int argc, char **argv)
else
usage();
break;
+ case 't':
+ ub_max_txg = strtoull(optarg, NULL, 0);
+ if (ub_max_txg < TXG_INITIAL) {
+ (void) fprintf(stderr, "incorrect txg "
+ "specified: %s\n", optarg);
+ usage();
+ }
+ break;
default:
usage();
break;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 15:06:20 +0000