Author: jhb
Date: Tue Nov 4 18:54:44 2008
New Revision: 184650
URL: http://svn.freebsd.org/changeset/base/184650
Log:
Don't pass WANTPARENT to the pathname lookup of the mount point for a
unionfs mount just so we can immediately drop the reference on the parent
directory vnode without using it.
Modified:
head/sys/fs/unionfs/union_vfsops.c
Modified: head/sys/fs/unionfs/union_vfsops.c
==============================================================================
--- head/sys/fs/unionfs/union_vfsops.c Tue Nov 4 18:53:33 2008
(r184649)
+++ head/sys/fs/unionfs/union_vfsops.c Tue Nov 4 18:54:44 2008
(r184650)
@@ -268,7 +268,7 @@ unionfs_domount(struct mount *mp, struct
/*
* Find upper node
*/
- NDINIT(ndp, LOOKUP, FOLLOW | WANTPARENT | LOCKLEAF, UIO_SYSSPACE,
target, td);
+ NDINIT(ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, target, td);
if ((error = namei(ndp)))
return (error);
@@ -278,9 +278,6 @@ unionfs_domount(struct mount *mp, struct
lowerrootvp = mp->mnt_vnodecovered;
upperrootvp = ndp->ni_vp;
- vrele(ndp->ni_dvp);
- ndp->ni_dvp = NULLVP;
-
/* create unionfs_mount */
ump = (struct unionfs_mount *)malloc(sizeof(struct unionfs_mount),
M_UNIONFSMNT, M_WAITOK | M_ZERO);
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