1 files changed, 2 insertions, 2 deletions

diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index 9116c6d0c5a9..bfbcebbb0adc 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -21,7 +21,7 @@
 
 /* one of these per inode */
 struct btrfs_ordered_inode_tree {
-        struct mutex mutex;
+        spinlock_t lock;
         struct rb_root tree;
         struct rb_node *last;
 };
@@ -128,7 +128,7 @@ static inline int btrfs_ordered_sum_size(struct btrfs_root *root,
 static inline void
 btrfs_ordered_inode_tree_init(struct btrfs_ordered_inode_tree *t)
 {
-        mutex_init(&t->mutex);
+        spin_lock_init(&t->lock);
         t->tree = RB_ROOT;
         t->last = NULL;
 }