When f2fs skipped a gc round during victim migration, there was a bug which
would skip all upcoming gc rounds unconditionally because skipped_gc_rwsem
was not initialized. It fixes the bug by correctly initializing the
skipped_gc_rwsem inside the gc loop.
Fixes: 3db1de0e582c ("f2fs: change the current atomic write way")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Yonggil Song <yonggil.song@xxxxxxxxxxx>
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index b22f49a6f128..81d326abaac1 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1786,8 +1786,8 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)
prefree_segments(sbi));
cpc.reason = __get_cp_reason(sbi);
- sbi->skipped_gc_rwsem = 0;
gc_more:
+ sbi->skipped_gc_rwsem = 0;
if (unlikely(!(sbi->sb->s_flags & SB_ACTIVE))) {
ret = -EINVAL;
goto stop;
--
2.34.1
