diff options
Diffstat (limited to 'cmd/zdb')
| -rw-r--r-- | cmd/zdb/zdb.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c index 25f44212a..ab6155054 100644 --- a/cmd/zdb/zdb.c +++ b/cmd/zdb/zdb.c @@ -2185,6 +2185,8 @@ dump_label(const char *dev) (void) close(fd); } +static uint64_t num_large_blocks; + /*ARGSUSED*/ static int dump_one_dir(const char *dsname, void *arg) @@ -2197,6 +2199,8 @@ dump_one_dir(const char *dsname, void *arg) (void) printf("Could not open %s, error %d\n", dsname, error); return (0); } + if (dmu_objset_ds(os)->ds_large_blocks) + num_large_blocks++; dump_dir(os); dmu_objset_disown(os, FTAG); fuid_table_destroy(); @@ -2207,7 +2211,7 @@ dump_one_dir(const char *dsname, void *arg) /* * Block statistics. */ -#define PSIZE_HISTO_SIZE (SPA_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1) +#define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2) typedef struct zdb_blkstats { uint64_t zb_asize; uint64_t zb_lsize; @@ -2273,7 +2277,15 @@ zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, zb->zb_lsize += BP_GET_LSIZE(bp); zb->zb_psize += BP_GET_PSIZE(bp); zb->zb_count++; - zb->zb_psize_histogram[BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT]++; + + /* + * The histogram is only big enough to record blocks up to + * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last, + * "other", bucket. + */ + int idx = BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT; + idx = MIN(idx, SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1); + zb->zb_psize_histogram[idx]++; zb->zb_gangs += BP_COUNT_GANG(bp); @@ -2979,6 +2991,7 @@ dump_zpool(spa_t *spa) dump_metaslab_groups(spa); if (dump_opt['d'] || dump_opt['i']) { + uint64_t refcount; dump_dir(dp->dp_meta_objset); if (dump_opt['d'] >= 3) { dump_bpobj(&spa->spa_deferred_bpobj, @@ -2998,8 +3011,21 @@ dump_zpool(spa_t *spa) } (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); + + (void) feature_get_refcount(spa, + &spa_feature_table[SPA_FEATURE_LARGE_BLOCKS], &refcount); + if (num_large_blocks != refcount) { + (void) printf("large_blocks feature refcount mismatch: " + "expected %lld != actual %lld\n", + (longlong_t)num_large_blocks, + (longlong_t)refcount); + rc = 2; + } else { + (void) printf("Verified large_blocks feature refcount " + "is correct (%llu)\n", (longlong_t)refcount); + } } - if (dump_opt['b'] || dump_opt['c']) + if (rc == 0 && (dump_opt['b'] || dump_opt['c'])) rc = dump_block_stats(spa); if (rc == 0) |