From: Chao Yu <chao2.yu@samsung.com>
Date: Tue, 28 Jan 2014 02:29:26 +0000 (+0800)
Subject: f2fs: use inode mutex to keep atomicity of f2fs_falloc
X-Git-Tag: v3.15-rc1~62^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3375f696bd9cfdfd385e2460a9cf021d8ef01eab;p=pandora-kernel.git

f2fs: use inode mutex to keep atomicity of f2fs_falloc

Previously without protection of inode mutex, f2fs_falloc and other data
correlated operations will interfere with each other.
So let's use inode mutex to keep atomicity of f2fs_falloc.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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