1 files changed, 2 insertions, 0 deletions

diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index bbb1a3864686..8a5eff366596 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -537,7 +537,9 @@ void btrfs_remove_ordered_extent(struct inode *inode,
          */
         if (RB_EMPTY_ROOT(&tree->tree) &&
             !mapping_tagged(inode->i_mapping, PAGECACHE_TAG_DIRTY)) {
+                spin_lock(&root->fs_info->ordered_root_lock);
                 list_del_init(&BTRFS_I(inode)->ordered_operations);
+                spin_unlock(&root->fs_info->ordered_root_lock);
         }
 
         if (!root->nr_ordered_extents) {