From: Jeff Layton <jlayton@redhat.com>
Date: Fri, 2 Aug 2013 15:39:32 +0000 (-0400)
Subject: nfs: verify open flags before allowing an atomic open
X-Git-Tag: v3.12-rc1~87^2~100
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9597c13b2f3c54240b1b902a677672faa70ab7c5;p=pandora-kernel.git

nfs: verify open flags before allowing an atomic open

Currently, you can open a NFSv4 file with O_APPEND|O_DIRECT, but cannot
fcntl(F_SETFL,...) with those flags. This flag combination is explicitly
forbidden on NFSv3 opens, and it seems like it should also be on NFSv4.

Reported-by: Chao Ye <cye@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

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