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vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets
authorAndreas Gruenbacher <agruenba@redhat.com>
Mon, 25 Sep 2017 10:23:03 +0000 (12:23 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 26 Sep 2017 20:46:06 +0000 (13:46 -0700)
commitfc46820b27a2d9a46f7e90c9ceb4a64a1bc5fab8
treef3475fb1ff7230052fc721baf0e1c78019d3e956tree
parente365806ac289457263a133bd32df8df49897f612commit | diff
vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets

In generic_file_llseek_size, return -ENXIO for negative offsets as well
as offsets beyond EOF.  This affects filesystems which don't implement
SEEK_HOLE / SEEK_DATA internally, possibly because they don't support
holes.

Fixes xfstest generic/448.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/read_write.c diff | blob | blame | history
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