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f2fs: fix count of seg_freed to make sec_freed correct

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When sbi->segs_per_sec > 1, and if some segno has 0 valid blocks before
gc starts, do_garbage_collect will skip counting seg_freed++, and this
will cause seg_freed < sbi->segs_per_sec and finally skip sec_freed++.

Signed-off-by: Yunlong Song <yunlong.song@huawei.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yunlong Song 2018-10-24 16:08:30 +08:00 committed by Jaegeuk Kim
parent a8075dc484
commit d6c66cd19e
1 changed files with 4 additions and 3 deletions
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7
fs/f2fs/gc.c
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@ -1140,9 +1140,9 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
GET_SUM_BLOCK(sbi, segno));
f2fs_put_page(sum_page, 0);
if (get_valid_blocks(sbi, segno, false) == 0 ||
!PageUptodate(sum_page) ||
unlikely(f2fs_cp_error(sbi)))
if (get_valid_blocks(sbi, segno, false) == 0)
goto freed;
if (!PageUptodate(sum_page) || unlikely(f2fs_cp_error(sbi)))
goto next;
sum = page_address(sum_page);
@ -1170,6 +1170,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
stat_inc_seg_count(sbi, type, gc_type);
freed:
if (gc_type == FG_GC &&
get_valid_blocks(sbi, segno, false) == 0)
seg_freed++;