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Clean up by-dnode code in dmu_tx.c

Browse Source 
https://github.com/zfsonlinux/zfs/commit/0eef1bde31d67091d3deed23fe2394f5a8bf2276
introduced some changes which we slightly improved the style of when
porting to illumos.

There is also one minor error-handling fix, in zap_add() the "zap" may
become NULL in case of an error re-opening the ZAP.

Originally suggested at: https://github.com/openzfs/openzfs/pull/276

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #5805
This commit is contained in:
Matthew Ahrens
2017-02-24 13:34:26 -08:00
committed by Brian Behlendorf
parent f7e76821c5
commit 66eead53c9
4 changed files with 31 additions and 36 deletions
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module/zfs/zap_micro.c
+2 -1
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@@ -1207,7 +1207,8 @@ zap_add_impl(zap_t *zap, const char *key,
}
ASSERT(zap == zn->zn_zap);
zap_name_free(zn);
zap_unlockdir(zap, tag);
if (zap != NULL) /* may be NULL if fzap_add() failed */
zap_unlockdir(zap, tag);
return (err);
}