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path: root/usr/src/cmd/zdb/zdb.c
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Diffstat (limited to 'usr/src/cmd/zdb/zdb.c')
-rw-r--r--usr/src/cmd/zdb/zdb.c83
1 files changed, 46 insertions, 37 deletions
diff --git a/usr/src/cmd/zdb/zdb.c b/usr/src/cmd/zdb/zdb.c
index 1723342ee7..a61cae3805 100644
--- a/usr/src/cmd/zdb/zdb.c
+++ b/usr/src/cmd/zdb/zdb.c
@@ -764,7 +764,7 @@ dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
if (ddp->ddp_phys_birth == 0)
continue;
ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
- sprintf_blkptr(blkbuf, &blk);
+ snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk);
(void) printf("index %llx refcnt %llu %s %s\n",
(u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
types[p], blkbuf);
@@ -1022,31 +1022,39 @@ blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
}
static void
-sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
+snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp)
{
const dva_t *dva = bp->blk_dva;
int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
if (dump_opt['b'] >= 6) {
- sprintf_blkptr(blkbuf, bp);
+ snprintf_blkptr(blkbuf, buflen, bp);
return;
}
blkbuf[0] = '\0';
for (int i = 0; i < ndvas; i++)
- (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
+ (void) snprintf(blkbuf + strlen(blkbuf),
+ buflen - 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/%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,
- (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
+ if (BP_IS_HOLE(bp)) {
+ (void) snprintf(blkbuf + strlen(blkbuf),
+ buflen - strlen(blkbuf), "B=%llu",
+ (u_longlong_t)bp->blk_birth);
+ } else {
+ (void) snprintf(blkbuf + strlen(blkbuf),
+ buflen - strlen(blkbuf),
+ "%llxL/%llxP F=%llu B=%llu/%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,
+ (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
+ }
}
static void
@@ -1071,7 +1079,7 @@ print_indirect(blkptr_t *bp, const zbookmark_t *zb,
}
}
- sprintf_blkptr_compact(blkbuf, bp);
+ snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp);
(void) printf("%s\n", blkbuf);
}
@@ -1086,7 +1094,7 @@ visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
print_indirect(bp, zb, dnp);
- if (BP_GET_LEVEL(bp) > 0) {
+ if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) {
uint32_t flags = ARC_WAIT;
int i;
blkptr_t *cbp;
@@ -1211,7 +1219,7 @@ dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
zdb_nicenum(ds->ds_compressed_bytes, compressed);
zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
zdb_nicenum(ds->ds_unique_bytes, unique);
- sprintf_blkptr(blkbuf, &ds->ds_bp);
+ snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp);
(void) printf("\t\tdir_obj = %llu\n",
(u_longlong_t)ds->ds_dir_obj);
@@ -1256,7 +1264,7 @@ dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
char blkbuf[BP_SPRINTF_LEN];
if (bp->blk_birth != 0) {
- sprintf_blkptr(blkbuf, bp);
+ snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
(void) printf("\t%s\n", blkbuf);
}
return (0);
@@ -1294,7 +1302,7 @@ dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
char blkbuf[BP_SPRINTF_LEN];
ASSERT(bp->blk_birth != 0);
- sprintf_blkptr_compact(blkbuf, bp);
+ snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp);
(void) printf("\t%s\n", blkbuf);
return (0);
}
@@ -1793,8 +1801,9 @@ dump_dir(objset_t *os)
zdb_nicenum(refdbytes, numbuf);
if (verbosity >= 4) {
- (void) sprintf(blkbuf, ", rootbp ");
- (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
+ (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp ");
+ (void) snprintf_blkptr(blkbuf + strlen(blkbuf),
+ sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp);
} else {
blkbuf[0] = '\0';
}
@@ -1824,7 +1833,7 @@ dump_dir(objset_t *os)
if (verbosity < 2)
return;
- if (os->os_rootbp->blk_birth == 0)
+ if (BP_IS_HOLE(os->os_rootbp))
return;
dump_object(os, 0, verbosity, &print_header);
@@ -1865,7 +1874,7 @@ dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
(u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
if (dump_opt['u'] >= 3) {
char blkbuf[BP_SPRINTF_LEN];
- sprintf_blkptr(blkbuf, &ub->ub_rootbp);
+ snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp);
(void) printf("\trootbp = %s\n", blkbuf);
}
(void) printf(footer ? footer : "");
@@ -2202,7 +2211,7 @@ zdb_blkptr_done(zio_t *zio)
zcb->zcb_errors[ioerr]++;
if (dump_opt['b'] >= 2)
- sprintf_blkptr(blkbuf, bp);
+ snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
else
blkbuf[0] = '\0';
@@ -2224,11 +2233,22 @@ zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
{
zdb_cb_t *zcb = arg;
- char blkbuf[BP_SPRINTF_LEN];
dmu_object_type_t type;
boolean_t is_metadata;
- if (bp == NULL)
+ if (dump_opt['b'] >= 5 && bp->blk_birth > 0) {
+ char blkbuf[BP_SPRINTF_LEN];
+ snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
+ (void) printf("objset %llu object %llu "
+ "level %lld offset 0x%llx %s\n",
+ (u_longlong_t)zb->zb_objset,
+ (u_longlong_t)zb->zb_object,
+ (longlong_t)zb->zb_level,
+ (u_longlong_t)blkid2offset(dnp, bp, zb),
+ blkbuf);
+ }
+
+ if (BP_IS_HOLE(bp))
return (0);
type = BP_GET_TYPE(bp);
@@ -2259,17 +2279,6 @@ zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
zcb->zcb_readfails = 0;
- if (dump_opt['b'] >= 5) {
- sprintf_blkptr(blkbuf, bp);
- (void) printf("objset %llu object %llu "
- "level %lld offset 0x%llx %s\n",
- (u_longlong_t)zb->zb_objset,
- (u_longlong_t)zb->zb_object,
- (longlong_t)zb->zb_level,
- (u_longlong_t)blkid2offset(dnp, bp, zb),
- blkbuf);
- }
-
if (dump_opt['b'] < 5 && isatty(STDERR_FILENO) &&
gethrtime() > zcb->zcb_lastprint + NANOSEC) {
uint64_t now = gethrtime();
@@ -2426,7 +2435,7 @@ count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
if (dump_opt['b'] >= 5) {
char blkbuf[BP_SPRINTF_LEN];
- sprintf_blkptr(blkbuf, bp);
+ snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
(void) printf("[%s] %s\n",
"deferred free", blkbuf);
}
@@ -2673,7 +2682,7 @@ zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
avl_index_t where;
zdb_ddt_entry_t *zdde, zdde_search;
- if (bp == NULL)
+ if (BP_IS_HOLE(bp))
return (0);
if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
@@ -2840,7 +2849,7 @@ zdb_print_blkptr(blkptr_t *bp, int flags)
if (flags & ZDB_FLAG_BSWAP)
byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
- sprintf_blkptr(blkbuf, bp);
+ snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
(void) printf("%s\n", blkbuf);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 11:27:14 +0000