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authorJeff Layton <jlayton@redhat.com>2013-08-02 11:39:32 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-07 12:16:22 -0400
commit9597c13b2f3c54240b1b902a677672faa70ab7c5 (patch)
treefb1ba832c4654b68b85198ca8f1fed86045f55e3 /fs/nfs/super.c
parent55b592933b7d0091d515ef1663334470a343ec98 (diff)
downloadleg-kernel-9597c13b2f3c54240b1b902a677672faa70ab7c5.tar.gz
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>
Diffstat (limited to 'fs/nfs/super.c')
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