f2fs: fix wrong max cost initialization
authorJaegeuk Kim <jaegeuk@kernel.org>
Sat, 25 Mar 2017 07:03:02 +0000 (00:03 -0700)
committerJaegeuk Kim <jaegeuk@kernel.org>
Tue, 28 Mar 2017 22:49:27 +0000 (15:49 -0700)
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

index 939be88..704bea6 100644 (file)
@@ -182,7 +182,7 @@ 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 */