diff mbox

Btrfs: fix unlock in __start_delalloc_inodes()

Message ID 1396439612-6076-1-git-send-email-wangsl.fnst@cn.fujitsu.com (mailing list archive)
State Accepted
Headers show

Commit Message

Wang Shilong April 2, 2014, 11:53 a.m. UTC
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 <wangsl.fnst@cn.fujitsu.com>
---
 fs/btrfs/inode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Comments

David Sterba April 4, 2014, 2:09 p.m. UTC | #1
On Wed, Apr 02, 2014 at 07:53:32PM +0800, Wang Shilong wrote:
> 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 <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
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diff mbox

Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5cb3075..f1e5297 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8481,19 +8481,20 @@  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);