From a1ecaabbf90cf4e93eb2b50aef3d07ab630c6fb1 Mon Sep 17 00:00:00 2001
From: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
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 <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
---
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 fdb8f4486e85..0c0bb450cbba 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);
--
2.34.1