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locking: Convert raw_rwlock functions to arch_rwlock

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Name space cleanup for rwlock functions. 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
This commit is contained in:
Thomas Gleixner
2009-12-03 20:08:46 +01:00
parent fb3a6bbc91
commit e5931943d0
18 changed files with 215 additions and 215 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
arch/powerpc/include/asm/spinlock.h
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@@ -166,8 +166,8 @@ extern void arch_spin_unlock_wait(arch_spinlock_t *lock);
* read-locks.
*/
#define __raw_read_can_lock(rw) ((rw)->lock >= 0)
#define __raw_write_can_lock(rw) (!(rw)->lock)
#define arch_read_can_lock(rw) ((rw)->lock >= 0)
#define arch_write_can_lock(rw) (!(rw)->lock)
#ifdef CONFIG_PPC64
#define __DO_SIGN_EXTEND "extsw %0,%0\n"
@@ -181,7 +181,7 @@ extern void arch_spin_unlock_wait(arch_spinlock_t *lock);
* This returns the old value in the lock + 1,
* so we got a read lock if the return value is > 0.
*/
static inline long arch_read_trylock(arch_rwlock_t *rw)
static inline long __arch_read_trylock(arch_rwlock_t *rw)
{
long tmp;
@@ -205,7 +205,7 @@ static inline long arch_read_trylock(arch_rwlock_t *rw)
* This returns the old value in the lock,
* so we got the write lock if the return value is 0.
*/
static inline long arch_write_trylock(arch_rwlock_t *rw)
static inline long __arch_write_trylock(arch_rwlock_t *rw)
{
long tmp, token;
@@ -225,10 +225,10 @@ static inline long arch_write_trylock(arch_rwlock_t *rw)
return tmp;
}
static inline void __raw_read_lock(arch_rwlock_t *rw)
static inline void arch_read_lock(arch_rwlock_t *rw)
{
while (1) {
if (likely(arch_read_trylock(rw) > 0))
if (likely(__arch_read_trylock(rw) > 0))
break;
do {
HMT_low();
@@ -239,10 +239,10 @@ static inline void __raw_read_lock(arch_rwlock_t *rw)
}
}
static inline void __raw_write_lock(arch_rwlock_t *rw)
static inline void arch_write_lock(arch_rwlock_t *rw)
{
while (1) {
if (likely(arch_write_trylock(rw) == 0))
if (likely(__arch_write_trylock(rw) == 0))
break;
do {
HMT_low();
@@ -253,17 +253,17 @@ static inline void __raw_write_lock(arch_rwlock_t *rw)
}
}
static inline int __raw_read_trylock(arch_rwlock_t *rw)
static inline int arch_read_trylock(arch_rwlock_t *rw)
{
return arch_read_trylock(rw) > 0;
return __arch_read_trylock(rw) > 0;
}
static inline int __raw_write_trylock(arch_rwlock_t *rw)
static inline int arch_write_trylock(arch_rwlock_t *rw)
{
return arch_write_trylock(rw) == 0;
return __arch_write_trylock(rw) == 0;
}
static inline void __raw_read_unlock(arch_rwlock_t *rw)
static inline void arch_read_unlock(arch_rwlock_t *rw)
{
long tmp;
@@ -280,15 +280,15 @@ static inline void __raw_read_unlock(arch_rwlock_t *rw)
: "cr0", "xer", "memory");
}
static inline void __raw_write_unlock(arch_rwlock_t *rw)
static inline void arch_write_unlock(arch_rwlock_t *rw)
{
__asm__ __volatile__("# write_unlock\n\t"
LWSYNC_ON_SMP: : :"memory");
rw->lock = 0;
}
#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
#define arch_spin_relax(lock) __spin_yield(lock)
#define arch_read_relax(lock) __rw_yield(lock)