From a1ecaabbf90cf4e93eb2b50aef3d07ab630c6fb1 Mon Sep 17 00:00:00 2001 From: Wang Shilong Date: Wed, 2 Apr 2014 19:53:32 +0800 Subject: [PATCH] Btrfs: fix unlock in __start_delalloc_inodes() This patch fix a regression caused by the following patch: Btrfs: don't flush all delalloc inodes when we doesn't get s_umount lock break while loop will make us call @spin_unlock() without calling @spin_lock() before, fix it. Signed-off-by: Wang Shilong Reviewed-by: David Sterba Signed-off-by: Chris Mason --- fs/btrfs/inode.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index fdb8f44..0c0bb45 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8500,19 +8500,20 @@ static int __start_delalloc_inodes(struct btrfs_root *root, int delay_iput, else iput(inode); ret = -ENOMEM; - break; + goto out; } list_add_tail(&work->list, &works); btrfs_queue_work(root->fs_info->flush_workers, &work->work); ret++; if (nr != -1 && ret >= nr) - break; + goto out; cond_resched(); spin_lock(&root->delalloc_lock); } spin_unlock(&root->delalloc_lock); +out: list_for_each_entry_safe(work, next, &works, list) { list_del_init(&work->list); btrfs_wait_and_free_delalloc_work(work); -- 2.7.4