f2fs: allocate new segment aligned with sections

When allocating a new segment under the LFS mode, we should keep the section
boundary.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 179a13e..b3486f3 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -362,7 +362,8 @@ static void get_new_segment(struct f2fs_sb_info *sbi,
        if (!new_sec && ((*newseg + 1) % sbi->segs_per_sec)) {
                segno = find_next_zero_bit(free_i->free_segmap,
                                        TOTAL_SEGS(sbi), *newseg + 1);
-               if (segno < TOTAL_SEGS(sbi))
+               if (segno - *newseg < sbi->segs_per_sec -
+                                       (*newseg % sbi->segs_per_sec))
                        goto got_it;
        }
 find_other_zone: