From aa987273290d206b298e9d09db83e32ead661098 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Mon, 6 Jun 2016 18:49:54 -0700 Subject: f2fs: skip clean segment for gc If a segment in a section is clean or prefreed, we don't need to get its summary and do gc. Signed-off-by: Jaegeuk Kim --- fs/f2fs/gc.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fs/f2fs') diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 67fd2855ccc9..e1d274cdecb8 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -795,6 +795,10 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, } for (segno = start_segno; segno < end_segno; segno++) { + + if (get_valid_blocks(sbi, segno, 1) == 0) + continue; + /* find segment summary of victim */ sum_page = find_get_page(META_MAPPING(sbi), GET_SUM_BLOCK(sbi, segno)); -- cgit v1.2.3-58-ga151