From: Changman Lee <cm224.lee@samsung.com>
Date: Thu, 7 Nov 2013 03:48:25 +0000 (+0900)
Subject: f2fs: cleanup waiting routine for writeback pages in cp
X-Git-Tag: v3.13-rc1~113^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb51b5ef9c07844f80402702bd3d3002ceca5cd9;p=pandora-kernel.git

f2fs: cleanup waiting routine for writeback pages in cp

use genernal method supported by kernel

 o changes from v1
   If any waiter exists at end io, wake up it.

Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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