tree 0c07781c5de3b7445add25db6d3471d71cf5cb86
parent a5576cfa5cd8d8aa874bd4ee500dc8a2e7cbad18
author Trond Myklebust <Trond.Myklebust@netapp.com> 1197475935 -0500
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1197475935 -0500

NFS: Fix an Oops in NFS unmount

Ensure that the dummy 'root dentry' is invisible to d_find_alias(). If not,
then it may be spliced into the tree if a parent directory from the same
filesystem gets mounted at a later time.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>