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[5/5] f2fs: fix wrong max cost initialization

Message ID 20170325075933.21072-5-jaegeuk@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Jaegeuk Kim March 25, 2017, 7:59 a.m. UTC 
This patch fixes missing increased max cost caused by a patch that we increased
cose of data segments in greedy algorithm.

Cc: <stable@vger.kernel.org> # v4.10+
Fixes: b9cd20619 "f2fs: node segment is prior to data segment selected victim"
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/gc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 9d4158d55dbb..c52656ccbde5 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -186,7 +186,7 @@  static unsigned int get_max_cost(struct f2fs_sb_info *sbi,
 	if (p->alloc_mode == SSR)
 		return sbi->blocks_per_seg;
 	if (p->gc_mode == GC_GREEDY)
-		return sbi->blocks_per_seg * p->ofs_unit;
+		return 2 * sbi->blocks_per_seg * p->ofs_unit;
 	else if (p->gc_mode == GC_CB)
 		return UINT_MAX;
 	else /* No other gc_mode */