From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Thu, 10 Oct 2013 05:36:00 +0000 (+0900)
Subject: f2fs: fix the starvation problem on cp_rwsem
X-Git-Tag: v3.13-rc1~113^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b1838f8952123842b00d6f8979e0f19a3b680e87;p=pandora-kernel.git

f2fs: fix the starvation problem on cp_rwsem

This patch removes the logic previously introduced to address the starvation
on cp_rwsem.

One potential there-in bug is that we should cover the wait.list with spin_lock,
but the previous code broke this rule.

And, actually current rwsem handles this starvation issue reasonably, so that we
didn't need to do this before neither.

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