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author | Waiman Long <Waiman.Long@hp.com> | 2015-06-19 17:50:00 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2015-07-06 14:11:27 +0200 |
commit | f7d71f2052555ae57b47322f2c2f6c29ff2438ae (patch) | |
tree | a4d6ee9d938222db57be7a4cd5330dfde9c72553 /include/asm-generic/qrwlock.h | |
parent | Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kerne... (diff) | |
download | linux-f7d71f2052555ae57b47322f2c2f6c29ff2438ae.tar.xz linux-f7d71f2052555ae57b47322f2c2f6c29ff2438ae.zip |
locking/qrwlock: Rename functions to queued_*()
To sync up with the naming convention used in qspinlock, all the
qrwlock functions were renamed to started with "queued" instead of
"queue".
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Douglas Hatch <doug.hatch@hp.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Scott J Norton <scott.norton@hp.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Link: http://lkml.kernel.org/r/1434729002-57724-2-git-send-email-Waiman.Long@hp.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/asm-generic/qrwlock.h')
-rw-r--r-- | include/asm-generic/qrwlock.h | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/include/asm-generic/qrwlock.h b/include/asm-generic/qrwlock.h index 6383d54bf983..55e3ee1d2415 100644 --- a/include/asm-generic/qrwlock.h +++ b/include/asm-generic/qrwlock.h @@ -36,33 +36,33 @@ /* * External function declarations */ -extern void queue_read_lock_slowpath(struct qrwlock *lock); -extern void queue_write_lock_slowpath(struct qrwlock *lock); +extern void queued_read_lock_slowpath(struct qrwlock *lock); +extern void queued_write_lock_slowpath(struct qrwlock *lock); /** - * queue_read_can_lock- would read_trylock() succeed? + * queued_read_can_lock- would read_trylock() succeed? * @lock: Pointer to queue rwlock structure */ -static inline int queue_read_can_lock(struct qrwlock *lock) +static inline int queued_read_can_lock(struct qrwlock *lock) { return !(atomic_read(&lock->cnts) & _QW_WMASK); } /** - * queue_write_can_lock- would write_trylock() succeed? + * queued_write_can_lock- would write_trylock() succeed? * @lock: Pointer to queue rwlock structure */ -static inline int queue_write_can_lock(struct qrwlock *lock) +static inline int queued_write_can_lock(struct qrwlock *lock) { return !atomic_read(&lock->cnts); } /** - * queue_read_trylock - try to acquire read lock of a queue rwlock + * queued_read_trylock - try to acquire read lock of a queue rwlock * @lock : Pointer to queue rwlock structure * Return: 1 if lock acquired, 0 if failed */ -static inline int queue_read_trylock(struct qrwlock *lock) +static inline int queued_read_trylock(struct qrwlock *lock) { u32 cnts; @@ -77,11 +77,11 @@ static inline int queue_read_trylock(struct qrwlock *lock) } /** - * queue_write_trylock - try to acquire write lock of a queue rwlock + * queued_write_trylock - try to acquire write lock of a queue rwlock * @lock : Pointer to queue rwlock structure * Return: 1 if lock acquired, 0 if failed */ -static inline int queue_write_trylock(struct qrwlock *lock) +static inline int queued_write_trylock(struct qrwlock *lock) { u32 cnts; @@ -93,10 +93,10 @@ static inline int queue_write_trylock(struct qrwlock *lock) cnts, cnts | _QW_LOCKED) == cnts); } /** - * queue_read_lock - acquire read lock of a queue rwlock + * queued_read_lock - acquire read lock of a queue rwlock * @lock: Pointer to queue rwlock structure */ -static inline void queue_read_lock(struct qrwlock *lock) +static inline void queued_read_lock(struct qrwlock *lock) { u32 cnts; @@ -105,27 +105,27 @@ static inline void queue_read_lock(struct qrwlock *lock) return; /* The slowpath will decrement the reader count, if necessary. */ - queue_read_lock_slowpath(lock); + queued_read_lock_slowpath(lock); } /** - * queue_write_lock - acquire write lock of a queue rwlock + * queued_write_lock - acquire write lock of a queue rwlock * @lock : Pointer to queue rwlock structure */ -static inline void queue_write_lock(struct qrwlock *lock) +static inline void queued_write_lock(struct qrwlock *lock) { /* Optimize for the unfair lock case where the fair flag is 0. */ if (atomic_cmpxchg(&lock->cnts, 0, _QW_LOCKED) == 0) return; - queue_write_lock_slowpath(lock); + queued_write_lock_slowpath(lock); } /** - * queue_read_unlock - release read lock of a queue rwlock + * queued_read_unlock - release read lock of a queue rwlock * @lock : Pointer to queue rwlock structure */ -static inline void queue_read_unlock(struct qrwlock *lock) +static inline void queued_read_unlock(struct qrwlock *lock) { /* * Atomically decrement the reader count @@ -134,12 +134,12 @@ static inline void queue_read_unlock(struct qrwlock *lock) atomic_sub(_QR_BIAS, &lock->cnts); } -#ifndef queue_write_unlock +#ifndef queued_write_unlock /** - * queue_write_unlock - release write lock of a queue rwlock + * queued_write_unlock - release write lock of a queue rwlock * @lock : Pointer to queue rwlock structure */ -static inline void queue_write_unlock(struct qrwlock *lock) +static inline void queued_write_unlock(struct qrwlock *lock) { /* * If the writer field is atomic, it can be cleared directly. @@ -154,13 +154,13 @@ static inline void queue_write_unlock(struct qrwlock *lock) * Remapping rwlock architecture specific functions to the corresponding * queue rwlock functions. */ -#define arch_read_can_lock(l) queue_read_can_lock(l) -#define arch_write_can_lock(l) queue_write_can_lock(l) -#define arch_read_lock(l) queue_read_lock(l) -#define arch_write_lock(l) queue_write_lock(l) -#define arch_read_trylock(l) queue_read_trylock(l) -#define arch_write_trylock(l) queue_write_trylock(l) -#define arch_read_unlock(l) queue_read_unlock(l) -#define arch_write_unlock(l) queue_write_unlock(l) +#define arch_read_can_lock(l) queued_read_can_lock(l) +#define arch_write_can_lock(l) queued_write_can_lock(l) +#define arch_read_lock(l) queued_read_lock(l) +#define arch_write_lock(l) queued_write_lock(l) +#define arch_read_trylock(l) queued_read_trylock(l) +#define arch_write_trylock(l) queued_write_trylock(l) +#define arch_read_unlock(l) queued_read_unlock(l) +#define arch_write_unlock(l) queued_write_unlock(l) #endif /* __ASM_GENERIC_QRWLOCK_H */ |