From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Thu, 29 Jan 2015 19:45:33 +0000 (-0800)
Subject: f2fs: split UMOUNT and FASTBOOT flags
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~98^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=119ee9144534141822462e3e8a5ccc8dc537f712;p=pandora-kernel.git

f2fs: split UMOUNT and FASTBOOT flags

This patch adds FASTBOOT flag into checkpoint as follows.

 - CP_UMOUNT_FLAG is set when system is umounted.
 - CP_FASTBOOT_FLAG is set when intermediate checkpoint having node summaries
   was done.

So, if you get CP_UMOUNT_FLAG from checkpoint, the system was umounted cleanly.
Instead, if there was sudden-power-off, you can get CP_FASTBOOT_FLAG or nothing.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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