From: Mark Fasheh <mfasheh@suse.de>
Date: Tue, 17 Sep 2013 22:43:54 +0000 (-0700)
Subject: btrfs: change extent-same to copy entire argument struct
X-Git-Tag: v3.12-rc2~5^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cbf8b8ca3ec799c11a4cbb29d812d84adf2990b0;p=pandora-kernel.git

btrfs: change extent-same to copy entire argument struct

btrfs_ioctl_file_extent_same() uses __put_user_unaligned() to copy some data
back to it's argument struct. Unfortunately, not all architectures provide
__put_user_unaligned(), so compiles break on them if btrfs is selected.

Instead, just copy the whole struct in / out at the start and end of
operations, respectively.

Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
---

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