Commit 798c1b16 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: skip checkpoint if there is no dirty and prefree segments 



We should avoid needless checkpoints when there is no dirty and prefree segment.

Reviewed-by: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 31696580

fs/f2fs/gc.c

+5 −3
Original line number Diff line number Diff line
@@ -792,7 +792,8 @@ static void do_garbage_collect(struct f2fs_sb_info *sbi, unsigned int segno, 


int f2fs_gc(struct f2fs_sb_info *sbi)

{

	unsigned int segno, i;

	unsigned int segno = NULL_SEGNO;

	unsigned int i;

	int gc_type = BG_GC;

	int nfree = 0;

	int ret = -1;
@@ -811,10 +812,11 @@ int f2fs_gc(struct f2fs_sb_info *sbi) 


	if (gc_type == BG_GC && has_not_enough_free_secs(sbi, nfree)) {

		gc_type = FG_GC;

		if (__get_victim(sbi, &segno, gc_type) || prefree_segments(sbi))

			write_checkpoint(sbi, &cpc);

	}



	if (!__get_victim(sbi, &segno, gc_type))

	if (segno == NULL_SEGNO && !__get_victim(sbi, &segno, gc_type))

		goto stop;

	ret = 0;