From: Andreas Gruenbacher <agruenba@redhat.com>
Date: Mon, 25 Sep 2017 10:23:03 +0000 (+0200)
Subject: vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7408c3e7745d10a60738e5726a29893cb707b260;p=pandora-kernel.git

vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets

commit fc46820b27a2d9a46f7e90c9ceb4a64a1bc5fab8 upstream.

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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 3.2: s/eof/i_size_read(inode)/]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

Reading git-diff-tree failed