From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Wed, 7 Apr 2010 23:06:07 +0000 (+0100)
Subject: Have nfs ->d_revalidate() report errors properly
X-Git-Tag: v2.6.34-rc4~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=04287f975e68038051eb9c79896866d36610b8e0;p=pandora-kernel.git

Have nfs ->d_revalidate() report errors properly

	If nfs atomic open implementation ends up doing open request from
->d_revalidate() codepath and gets an error from server, return that error
to caller explicitly and don't bother with lookup_instantiate_filp() at all.
->d_revalidate() can return an error itself just fine...

See
	http://bugzilla.kernel.org/show_bug.cgi?id=15674
	http://marc.info/?l=linux-kernel&m=126988782722711&w=2

for original report.

Reported-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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