f2fs: flush dirty nats periodically
This patch flushes dirty nats in order to acquire available nids by writing
checkpoint. Otherwise, we can have no chance to get freed nids.
Signed-off-by: Jaegeuk Kim <[email protected]>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a32268e..6e1c8cf 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -419,7 +419,7 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
else
build_free_nids(sbi, false, false);
- if (!is_idle(sbi))
+ if (!is_idle(sbi) && !excess_dirty_nats(sbi))
return;
/* checkpoint is the only way to shrink partial cached entries */
