From: Chao Yu <chao2.yu@samsung.com>
Date: Mon, 15 Sep 2014 10:03:32 +0000 (+0800)
Subject: f2fs: skip punching hole in special condition
X-Git-Tag: fixes-for-v3.18-merge-window~8^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=14cecc5cd6ed33ef3cb7328de904cc636dd390a4;p=pandora-kernel.git

f2fs: skip punching hole in special condition

Now punching hole in directory is not supported in f2fs, so let's limit file
type in punch_hole().

In addition, in punch_hole if offset is exceed file size, we should skip
punching hole.

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