From df1d5d23d3a1a713c69b0f9ec67c59aeca3ce6b3 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Mon, 15 Jan 2007 13:56:29 -0500
Subject: [PATCH] NFS: Fix a readdir/lookup inefficiency.

Make sure that nfs_readdir_lookup() handles negative dentries correctly.
If d_lookup() returns a negative dentry, then we need to d_drop() that
since readdir shows that it should be positive.

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