Author: kib
Date: Sun Mar 17 15:11:37 2013
New Revision: 248422
URL: http://svnweb.freebsd.org/changeset/base/248422

Log:
  Remove negative name cache entry pointing to the target name, which
  could be instantiated while tdvp was unlocked.
  
  Reported by:  Rick Miller <vmiller at hostileadmin com>
  Tested by:    pho
  MFC after:    1 week

Modified:
  head/sys/fs/tmpfs/tmpfs_vnops.c
  head/sys/ufs/ufs/ufs_vnops.c

Modified: head/sys/fs/tmpfs/tmpfs_vnops.c
==============================================================================
--- head/sys/fs/tmpfs/tmpfs_vnops.c     Sun Mar 17 10:57:04 2013        
(r248421)
+++ head/sys/fs/tmpfs/tmpfs_vnops.c     Sun Mar 17 15:11:37 2013        
(r248422)
@@ -1297,6 +1297,7 @@ tmpfs_rename(struct vop_rename_args *v)
        cache_purge(fvp);
        if (tvp != NULL)
                cache_purge(tvp);
+       cache_purge_negative(tdvp);
 
        error = 0;
 

Modified: head/sys/ufs/ufs/ufs_vnops.c
==============================================================================
--- head/sys/ufs/ufs/ufs_vnops.c        Sun Mar 17 10:57:04 2013        
(r248421)
+++ head/sys/ufs/ufs/ufs_vnops.c        Sun Mar 17 15:11:37 2013        
(r248422)
@@ -1554,6 +1554,7 @@ relock:
        cache_purge(fvp);
        if (tvp)
                cache_purge(tvp);
+       cache_purge_negative(tdvp);
 
 unlockout:
        vput(fdvp);
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