f2fs: no need to check other dirty_segmap when the seg has been found
Because one dirty seg can only be mapped to one dirty_type. Otherwise, it's a bug.
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
[Jaegeuk Kim: modify a comment related to this patch]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 862fef3..8ac1619 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -78,10 +78,14 @@
if (dirty_type == DIRTY) {
enum dirty_type t = DIRTY_HOT_DATA;
- /* clear all the bitmaps */
- for (; t <= DIRTY_COLD_NODE; t++)
- if (test_and_clear_bit(segno, dirty_i->dirty_segmap[t]))
+ /* clear its dirty bitmap */
+ for (; t <= DIRTY_COLD_NODE; t++) {
+ if (test_and_clear_bit(segno,
+ dirty_i->dirty_segmap[t])) {
dirty_i->nr_dirty[t]--;
+ break;
+ }
+ }
if (get_valid_blocks(sbi, segno, sbi->segs_per_sec) == 0)
clear_bit(GET_SECNO(sbi, segno),