From d64f80473bb58f5c8bfcb63220c31a573a07752f Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Mon, 8 Apr 2013 16:01:00 +0900
Subject: [PATCH] f2fs: write checkpoint before starting FG_GC

In order to be aware of prefree and free sections during FG_GC, let's start with
write_checkpoint().

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