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f2fs: no need to check other dirty_segmap when the seg has been found
author
Haicheng Li
<haicheng.li@linux.intel.com>
Fri, 18 Oct 2013 09:24:08 +0000
(17:24 +0800)
committer
Jaegeuk Kim
<jaegeuk.kim@samsung.com>
Tue, 22 Oct 2013 10:57:31 +0000
(19:57 +0900)
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>
fs/f2fs/segment.c
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diff --git
a/fs/f2fs/segment.c
b/fs/f2fs/segment.c
index 862fef3ae253db7605b52c64fae7ceedd84fc34f..8ac1619652420a26330d402e8dcf58a18bc049c0 100644
(file)
--- a/
fs/f2fs/segment.c
+++ b/
fs/f2fs/segment.c
@@
-78,10
+78,14
@@
static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
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),
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