From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Wed, 30 Apr 2014 00:22:45 +0000 (+0900)
Subject: f2fs: decrease the lock granularity during write_begin
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~73^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5f66990bb928e7490ba4da94d585f618adcee5e;p=pandora-kernel.git

f2fs: decrease the lock granularity during write_begin

This patch reduces the lock granularity during write_begin.
When the system is under memory pressure, it would be better to reduce
the locking time for the data pages.

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