The invariant is that when nr_delalloc_inodes is 0 then the root
mustn't have any inodes on its delalloc inodes list.
Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
---
fs/btrfs/inode.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 164950d96c8a..d35992b8bb5e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1754,6 +1754,7 @@ void __btrfs_del_delalloc_inode(struct btrfs_root *root,
&inode->runtime_flags);
root->nr_delalloc_inodes--;
if (!root->nr_delalloc_inodes) {
+ ASSERT(list_empty(&root->delalloc_inodes));
spin_lock(&fs_info->delalloc_root_lock);
BUG_ON(list_empty(&root->delalloc_root));
list_del_init(&root->delalloc_root);
--
2.7.4
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