From fb3a6bbc912b12347614e5742c7c61416cdb0ca0 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 3 Dec 2009 20:01:19 +0100
Subject: locking: Convert raw_rwlock to arch_rwlock
Not strictly necessary for -rt as -rt does not have non sleeping
rwlocks, but it's odd to not have a consistent naming convention.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: linux-arch@vger.kernel.org
---
arch/s390/include/asm/spinlock.h | 30 +++++++++++++++---------------
arch/s390/include/asm/spinlock_types.h | 4 ++--
2 files changed, 17 insertions(+), 17 deletions(-)
(limited to 'arch/s390/include/asm')
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index a94c146657a9..7f98f0e48acb 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -121,14 +121,14 @@ static inline void arch_spin_unlock(arch_spinlock_t *lp)
*/
#define __raw_write_can_lock(x) ((x)->lock == 0)
-extern void _raw_read_lock_wait(raw_rwlock_t *lp);
-extern void _raw_read_lock_wait_flags(raw_rwlock_t *lp, unsigned long flags);
-extern int _raw_read_trylock_retry(raw_rwlock_t *lp);
-extern void _raw_write_lock_wait(raw_rwlock_t *lp);
-extern void _raw_write_lock_wait_flags(raw_rwlock_t *lp, unsigned long flags);
-extern int _raw_write_trylock_retry(raw_rwlock_t *lp);
-
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+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_write_trylock_retry(arch_rwlock_t *lp);
+
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
unsigned int old;
old = rw->lock & 0x7fffffffU;
@@ -136,7 +136,7 @@ static inline void __raw_read_lock(raw_rwlock_t *rw)
_raw_read_lock_wait(rw);
}
-static inline void __raw_read_lock_flags(raw_rwlock_t *rw, unsigned long flags)
+static inline void __raw_read_lock_flags(arch_rwlock_t *rw, unsigned long flags)
{
unsigned int old;
old = rw->lock & 0x7fffffffU;
@@ -144,7 +144,7 @@ static inline void __raw_read_lock_flags(raw_rwlock_t *rw, unsigned long flags)
_raw_read_lock_wait_flags(rw, flags);
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
unsigned int old, cmp;
@@ -155,24 +155,24 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
} while (cmp != old);
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
if (unlikely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) != 0))
_raw_write_lock_wait(rw);
}
-static inline void __raw_write_lock_flags(raw_rwlock_t *rw, unsigned long flags)
+static inline void __raw_write_lock_flags(arch_rwlock_t *rw, unsigned long flags)
{
if (unlikely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) != 0))
_raw_write_lock_wait_flags(rw, flags);
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
_raw_compare_and_swap(&rw->lock, 0x80000000, 0);
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int __raw_read_trylock(arch_rwlock_t *rw)
{
unsigned int old;
old = rw->lock & 0x7fffffffU;
@@ -181,7 +181,7 @@ static inline int __raw_read_trylock(raw_rwlock_t *rw)
return _raw_read_trylock_retry(rw);
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
if (likely(_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0))
return 1;
diff --git a/arch/s390/include/asm/spinlock_types.h b/arch/s390/include/asm/spinlock_types.h
index e25c0370f6cd..9c76656a0af0 100644
--- a/arch/s390/include/asm/spinlock_types.h
+++ b/arch/s390/include/asm/spinlock_types.h
@@ -13,8 +13,8 @@ typedef struct {
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
--
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