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(parent: 08895a8) | patch
consistent treatment of EFAULT on O_DIRECT read/write
authorAl Viro <viro@zeniv.linux.org.uk>
Tue, 4 Oct 2016 00:38:55 +0000 (20:38 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Tue, 4 Oct 2016 00:38:55 +0000 (20:38 -0400)
commit4038acdb187e226e72df393ae3dd150df857e8a3
tree8c911f14f9c22808b0f52827e562d2ff3d6dedf9tree | snapshot
parent08895a8b6b06ed2323cd97a36ee40a116b3db8edcommit | diff
consistent treatment of EFAULT on O_DIRECT read/write

Make local filesystems treat a fault as shortened IO,
returning -EFAULT only if nothing had been transferred.
That's how everything else (NFS, FUSE, ceph, Lustre)
behaves.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/direct-io.c diff | blob | history
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