From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Tue, 18 Mar 2014 04:29:07 +0000 (+0900)
Subject: f2fs: call f2fs_wait_on_page_writeback instead of native function
X-Git-Tag: v3.15-rc1~62^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3cb5ad152b54430f3e5f338c15f8cd434e7160c8;p=pandora-kernel.git

f2fs: call f2fs_wait_on_page_writeback instead of native function

If a page is on writeback, f2fs can face with deadlock due to under writepages.
This is caused by merging IOs inside f2fs, so if it comes to detect, let's throw
merged IOs, which is implemented by f2fs_wait_on_page_writeback.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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