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-rw-r--r--include/linux/lockdep.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 1bfdc30bb0a..f270ce1582f 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -300,6 +300,9 @@ extern void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
extern void lock_release(struct lockdep_map *lock, int nested,
unsigned long ip);
+extern void lock_set_subclass(struct lockdep_map *lock, unsigned int subclass,
+ unsigned long ip);
+
# define INIT_LOCKDEP .lockdep_recursion = 0,
#define lockdep_depth(tsk) (debug_locks ? (tsk)->lockdep_depth : 0)
@@ -316,6 +319,7 @@ static inline void lockdep_on(void)
# define lock_acquire(l, s, t, r, c, i) do { } while (0)
# define lock_release(l, n, i) do { } while (0)
+# define lock_set_subclass(l, s, i) do { } while (0)
# define lockdep_init() do { } while (0)
# define lockdep_info() do { } while (0)
# define lockdep_init_map(lock, name, key, sub) do { (void)(key); } while (0)