From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Mon, 8 Apr 2013 07:01:00 +0000 (+0900)
Subject: f2fs: write checkpoint before starting FG_GC
X-Git-Tag: upstream/snapshot3+hdmi~5143^2~27
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d64f80473bb58f5c8bfcb63220c31a573a07752f;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

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>
---

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 83cec8f..37b05e1 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -669,8 +669,10 @@ gc_more:
 	if (!(sbi->sb->s_flags & MS_ACTIVE))
 		goto stop;
 
-	if (gc_type == BG_GC && has_not_enough_free_secs(sbi, nfree))
+	if (gc_type == BG_GC && has_not_enough_free_secs(sbi, nfree)) {
 		gc_type = FG_GC;
+		write_checkpoint(sbi, false);
+	}
 
 	if (!__get_victim(sbi, &segno, gc_type, NO_CHECK_TYPE))
 		goto stop;