diff options
| -rw-r--r-- | fs/fs-writeback.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 15944f754e15..b27406d51bc7 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -334,13 +334,28 @@ static void move_expired_inodes(struct list_head *delaying_queue, struct list_head *dispatch_queue, unsigned long *older_than_this) { + LIST_HEAD(tmp); + struct list_head *pos, *node; + struct super_block *sb; + struct inode *inode; + while (!list_empty(delaying_queue)) { - struct inode *inode = list_entry(delaying_queue->prev, - struct inode, i_list); + inode = list_entry(delaying_queue->prev, struct inode, i_list); if (older_than_this && inode_dirtied_after(inode, *older_than_this)) break; - list_move(&inode->i_list, dispatch_queue); + list_move(&inode->i_list, &tmp); + } + + /* Move inodes from one superblock together */ + while (!list_empty(&tmp)) { + inode = list_entry(tmp.prev, struct inode, i_list); + sb = inode->i_sb; + list_for_each_prev_safe(pos, node, &tmp) { + inode = list_entry(pos, struct inode, i_list); + if (inode->i_sb == sb) + list_move(&inode->i_list, dispatch_queue); + } } } |