From: Chao Yu <chao2.yu@samsung.com>
Date: Wed, 2 Jul 2014 05:25:04 +0000 (+0800)
Subject: f2fs: introduce f2fs_write_failed to handle error case when write
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~163^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3aab8f828ef358ae92545294a14cd52d510cc585;p=pandora-kernel.git

f2fs: introduce f2fs_write_failed to handle error case when write

When we fail in ->write_begin()/->direct_IO(), our allocated node block in disk
and page cache are still kept, despite these may not be used again.

This patch introduce f2fs_write_failed() to handle the error case of these two
interfaces, it will truncate page cache and blocks of this file according to
i_size.

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

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