s390/rwlock: remove interrupt-enabling rwlock variant.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 16 deletions

diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index e9865416..f9537b9 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -131,12 +131,13 @@ static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
 #define arch_write_can_lock(x) ((x)->lock == 0)
 
 extern void _raw_read_lock_wait(arch_rwlock_t *lp);
-extern void _raw_read_lock_wait_flags(arch_rwlock_t *lp, unsigned long flags);
-extern int _raw_read_trylock_retry(arch_rwlock_t *lp);
 extern void _raw_write_lock_wait(arch_rwlock_t *lp);
-extern void _raw_write_lock_wait_flags(arch_rwlock_t *lp, unsigned long flags);
+extern int _raw_read_trylock_retry(arch_rwlock_t *lp);
 extern int _raw_write_trylock_retry(arch_rwlock_t *lp);
 
+#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
+#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
+
 static inline int arch_read_trylock_once(arch_rwlock_t *rw)
 {
 	unsigned int old = ACCESS_ONCE(rw->lock);
@@ -157,12 +158,6 @@ static inline void arch_read_lock(arch_rwlock_t *rw)
 		_raw_read_lock_wait(rw);
 }
 
-static inline void arch_read_lock_flags(arch_rwlock_t *rw, unsigned long flags)
-{
-	if (!arch_read_trylock_once(rw))
-		_raw_read_lock_wait_flags(rw, flags);
-}
-
 static inline void arch_read_unlock(arch_rwlock_t *rw)
 {
 	unsigned int old;
@@ -179,13 +174,6 @@ static inline void arch_write_lock(arch_rwlock_t *rw)
 	rw->owner = SPINLOCK_LOCKVAL;
 }
 
-static inline void arch_write_lock_flags(arch_rwlock_t *rw, unsigned long flags)
-{
-	if (!arch_write_trylock_once(rw))
-		_raw_write_lock_wait_flags(rw, flags);
-	rw->owner = SPINLOCK_LOCKVAL;
-}
-
 static inline void arch_write_unlock(arch_rwlock_t *rw)
 {
 	typecheck(unsigned int, rw->lock);