From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Fri, 25 Jul 2014 22:47:23 +0000 (-0700)
Subject: f2fs: test before set/clear bits
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~163^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=61e0f2d0a5f2cddf7cd96fa8cb7fe53a1e5e325d;p=pandora-kernel.git

f2fs: test before set/clear bits

If the bit is already set, we don't need to reset it, and vice versa.
Because we don't need to make the caches dirty for that.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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