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-rw-r--r--include/linux/maple_tree.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/maple_tree.h b/include/linux/maple_tree.h
index e278b9598428..949f911bf955 100644
--- a/include/linux/maple_tree.h
+++ b/include/linux/maple_tree.h
@@ -185,13 +185,18 @@ typedef struct lockdep_map *lockdep_map_p;
#define mt_lock_is_held(mt) \
(!(mt)->ma_external_lock || lock_is_held((mt)->ma_external_lock))
+#define mt_write_lock_is_held(mt) \
+ (!(mt)->ma_external_lock || \
+ lock_is_held_type((mt)->ma_external_lock, 0))
+
#define mt_set_external_lock(mt, lock) \
(mt)->ma_external_lock = &(lock)->dep_map
#define mt_on_stack(mt) (mt).ma_external_lock = NULL
#else
typedef struct { /* nothing */ } lockdep_map_p;
-#define mt_lock_is_held(mt) 1
+#define mt_lock_is_held(mt) 1
+#define mt_write_lock_is_held(mt) 1
#define mt_set_external_lock(mt, lock) do { } while (0)
#define mt_on_stack(mt) do { } while (0)
#endif