From ef75c7974b383769ae5741cf930b8aa4dcaef395 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Tue, 16 Jan 2007 10:09:44 -0500
Subject: [PATCH] NFS: Also use readdir info to revalidate positive dentries

If the fileid of the cached dentry fails to match that returned by
the readdir call, then we should also d_drop. Try to take into account the
fact that on NFSv4, readdir may return the "mounted_on_fileid" by looking
for submounts.

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