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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 1 Nov 2011 15:34:52 +0000 (UTC)
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Subject: svn commit: r226988 - stable/9/sys/fs/nullfs
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Author: kib
Date: Tue Nov  1 15:34:52 2011
New Revision: 226988
URL: http://svn.freebsd.org/changeset/base/226988

Log:
  MFC r226686:
  The covered vnode must be reloced if it was unlocked. Remove VOP_ISLOCKED
  test because of this and also because it can lead to false positives.
  
  Approved by:	re (bz)

Modified:
  stable/9/sys/fs/nullfs/null_vfsops.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/fs/nullfs/null_vfsops.c
==============================================================================
--- stable/9/sys/fs/nullfs/null_vfsops.c	Tue Nov  1 12:33:06 2011	(r226987)
+++ stable/9/sys/fs/nullfs/null_vfsops.c	Tue Nov  1 15:34:52 2011	(r226988)
@@ -119,7 +119,7 @@ nullfs_mount(struct mount *mp)
 	/*
 	 * Re-lock vnode.
 	 */
-	if (isvnunlocked && !VOP_ISLOCKED(mp->mnt_vnodecovered))
+	if (isvnunlocked)
 		vn_lock(mp->mnt_vnodecovered, LK_EXCLUSIVE | LK_RETRY);
 
 	if (error)