Merge branch 'for-6.0/dax' into libnvdimm-fixes

[people/ms/linux.git] / fs / btrfs / locking.h

diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h
index bbc45534ae9a6081af80204ad21b2033c5ae46af..ab268be09bb542fe5df6aa53fd59c9f6977f68a6 100644 (file)
--- a/fs/btrfs/locking.h
+++ b/fs/btrfs/locking.h
@@ -131,4 +131,18 @@ void btrfs_drew_write_unlock(struct btrfs_drew_lock *lock);
 void btrfs_drew_read_lock(struct btrfs_drew_lock *lock);
 void btrfs_drew_read_unlock(struct btrfs_drew_lock *lock);
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+void btrfs_set_buffer_lockdep_class(u64 objectid, struct extent_buffer *eb, int level);
+void btrfs_maybe_reset_lockdep_class(struct btrfs_root *root, struct extent_buffer *eb);
+#else
+static inline void btrfs_set_buffer_lockdep_class(u64 objectid,
+                                       struct extent_buffer *eb, int level)
+{
+}
+static inline void btrfs_maybe_reset_lockdep_class(struct btrfs_root *root,
+                                                  struct extent_buffer *eb)
+{
+}
+#endif
+
 #endif