spinlock: Add spin_lock_bh_nested()

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 262ba4ef9a8e..3e18379dfa6f 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -190,6 +190,8 @@ static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock)
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 # define raw_spin_lock_nested(lock, subclass) \
         _raw_spin_lock_nested(lock, subclass)
+# define raw_spin_lock_bh_nested(lock, subclass) \
+        _raw_spin_lock_bh_nested(lock, subclass)
 
 # define raw_spin_lock_nest_lock(lock, nest_lock)                       \
          do {                                                           \
@@ -205,6 +207,7 @@ static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock)
 # define raw_spin_lock_nested(lock, subclass)           \
         _raw_spin_lock(((void)(subclass), (lock)))
 # define raw_spin_lock_nest_lock(lock, nest_lock)       _raw_spin_lock(lock)
+# define raw_spin_lock_bh_nested(lock, subclass)        _raw_spin_lock_bh(lock)
 #endif
 
 #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
@@ -324,6 +327,11 @@ do {								\
         raw_spin_lock_nested(spinlock_check(lock), subclass);   \
 } while (0)
 
+#define spin_lock_bh_nested(lock, subclass)                     \
+do {                                                            \
+        raw_spin_lock_bh_nested(spinlock_check(lock), subclass);\
+} while (0)
+
 #define spin_lock_nest_lock(lock, nest_lock)                            \
 do {                                                                    \
         raw_spin_lock_nest_lock(spinlock_check(lock), nest_lock);       \