[PATCH 2/6] Btrfs: don't run delayed nodes again after all nodes flush

[Miao Xie <miaox@cn.fujitsu.com>]

If the number of the delayed items is greater than the upper limit, we will
try to flush all the delayed items. After that, it is unnecessary to run
them again because they are being dealt with by the wokers or the number of
them is less than the lower limit.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
---
 fs/btrfs/delayed-inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index e832621..bb101b0 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1395,6 +1395,7 @@ void btrfs_balance_delayed_items(struct btrfs_root *root)
 				break;
 		}
 		finish_wait(&delayed_root->wait, &__wait);
+		return;
 	}
 
 	btrfs_wq_run_delayed_node(delayed_root, root, BTRFS_DELAYED_BATCH);
-- 
1.8.3.1