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zdb: dump spill block pointer if present

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Output will look like so:

  $ sudo zdb -dddd -vv testpool/fs 2
  Dataset testpool/fs [ZPL], ID 260, cr_txg 8, 25K, 7 objects, rootbp DVA[0]=<0:1800be00:200> DVA[1]=<0:1c00be00:200> [L0 DMU objset] fletcher4 lz4 unencrypted LE contiguous unique double size=1000L/200P birth=16L/16P fill=7 cksum=d03b396cd:489ca835517:d4b04a4d0a62:1b413aac454d53

      Object  lvl   iblk   dblk  dsize  dnsize  lsize   %full  type
           2    1   128K    512     1K     512    512    0.00  ZFS plain file (K=inherit) (Z=inherit=lz4)
                                                 192   bonus  System attributes
      dnode flags: USED_BYTES USERUSED_ACCOUNTED USEROBJUSED_ACCOUNTED SPILL_BLKPTR
      dnode maxblkid: 0
      path    /testfile
      uid     0
      gid     0
      atime   Fri Jul 15 12:36:35 2022
      mtime   Fri Jul 15 12:36:35 2022
      ctime   Fri Jul 15 12:36:51 2022
      crtime  Fri Jul 15 12:36:35 2022
      gen 10
      mode    100600
      size    0
      parent  34
      links   1
      pflags  840800000004
      SA xattrs: 248 bytes, 2 entries

          security.selinux = nutanix_u:object_r:unlabeled_t:s0\000
          user.foo = xbLQJjyVvEVPGGuRHV/gjkFFO1MdehKnLjjd36ZaoMVaUqtqFoMMYT5Ya9yywHApJNoK/1hNJfO3\012XCJWv9/QUTKamoWW9xVDE7yi8zn166RNw5QUhf84cZ3JNLnw6oN

Spill block: 0:10005c00:200 0:14005c00:200 200L/200P F=1 B=16/16 cksum=1cdfac47a4:910c5caa557:195d0493dfe5a:332b6fde6ad547
Indirect blocks:

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Allan Jude <allan@klarasystems.com>
Signed-off-by: Christian Schwarz <christian.schwarz@nutanix.com>
Closes #13640
This commit is contained in:
Christian Schwarz 2022-07-21 02:16:29 +02:00 committed by GitHub
parent fb087146de
commit bf61a507a2
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1 changed files with 8 additions and 1 deletions
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9
cmd/zdb/zdb.c
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@ -3565,8 +3565,15 @@ dump_object(objset_t *os, uint64_t object, int verbosity,
*print_header = B_TRUE;
}
if (verbosity >= 5)
if (verbosity >= 5) {
if (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) {
char blkbuf[BP_SPRINTF_LEN];
snprintf_blkptr_compact(blkbuf, sizeof (blkbuf),
DN_SPILL_BLKPTR(dn->dn_phys), B_FALSE);
(void) printf("\nSpill block: %s\n", blkbuf);
}
dump_indirect(dn);
}
if (verbosity >= 5) {
/*