From 0a37abc206560d91290a34ec21abbbbc7e007bf0 Mon Sep 17 00:00:00 2001 From: Ned Bass Date: Mon, 30 Dec 2019 09:14:40 -0800 Subject: [PATCH] zdb: print block checksums with 6 d's of verbosity Include checksums in the output of 'zdb -dddddd' along with other indirect block information already displayed. Example output follows (with long lines trimmed): $ zdb -dddddd tank/fish 128 Dataset tank/fish [ZPL], ID 259, cr_txg 10, 16.2M, 93 objects, rootbp DV Object lvl iblk dblk dsize dnsize lsize %full type 128 2 128K 128K 634K 512 1M 100.00 ZFS plain f 168 bonus System attri dnode flags: USED_BYTES USERUSED_ACCOUNTED USEROBJUSED_ACCOUNTED dnode maxblkid: 7 path /c uid 0 gid 0 atime Sat Dec 21 10:49:26 2019 mtime Sat Dec 21 10:49:26 2019 ctime Sat Dec 21 10:49:26 2019 crtime Sat Dec 21 10:49:26 2019 gen 41 mode 100755 size 964592 parent 34 links 1 pflags 40800000104 Indirect blocks: 0 L1 0:2c0000:400 0:c021e00:400 20000L/400P F=8 B=41/41 0 L0 0:227800:13800 20000L/13800P F=1 B=41/41 cksum=167a 20000 L0 0:25ec00:17c00 20000L/17c00P F=1 B=41/41 cksum=2312 40000 L0 0:276800:18400 20000L/18400P F=1 B=41/41 cksum=24e0 60000 L0 0:2a7800:18800 20000L/18800P F=1 B=41/41 cksum=25be 80000 L0 0:28ec00:18c00 20000L/18c00P F=1 B=41/41 cksum=2579 a0000 L0 0:24d000:11c00 20000L/11c00P F=1 B=41/41 cksum=140a c0000 L0 0:23b000:12000 20000L/12000P F=1 B=41/41 cksum=164e e0000 L0 0:221e00:5a00 20000L/5a00P F=1 B=41/41 cksum=9de790 segment [0000000000000000, 0000000000100000) size 1M Reviewed-by: Kjeld Schouten Reviewed-by: Brian Behlendorf Signed-off-by: Ned Bass --- cmd/zdb/zdb.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c index 92bfd3ecf..0182c7972 100644 --- a/cmd/zdb/zdb.c +++ b/cmd/zdb/zdb.c @@ -1450,6 +1450,12 @@ snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp) (u_longlong_t)BP_GET_FILL(bp), (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); + (void) snprintf(blkbuf + strlen(blkbuf), + buflen - strlen(blkbuf), " cksum=%llx:%llx:%llx:%llx", + (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]); } }