svn commit: r290266 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Andriy Gapon]

Author: avg
Date: Mon Nov  2 10:07:21 2015
New Revision: 290266
URL: https://svnweb.freebsd.org/changeset/base/290266

Log:
  zfs: allow the lookup of extended attributes of an unlinked file
  
  That's required for extattr_get_fd(2) and the like to work properly.
  
  PR:		203201
  MFC after:	17 days

Modified:
  head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c

Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c	Mon Nov  2 09:16:51 2015	(r290265)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c	Mon Nov  2 10:07:21 2015	(r290266)
@@ -222,7 +222,7 @@ zfs_dirent_lock(zfs_dirlock_t **dlpp, zn
 
 	mutex_enter(&dzp->z_lock);
 	for (;;) {
-		if (dzp->z_unlinked) {
+		if (dzp->z_unlinked && !(flag & ZXATTR)) {
 			mutex_exit(&dzp->z_lock);
 			if (!(flag & ZHAVELOCK))
 				rw_exit(&dzp->z_name_lock);