locking/core: Remove {read,spin,write}_can_lock()

[linux-2.6-microblaze.git] / include / asm-generic / qrwlock.h

diff --git a/include/asm-generic/qrwlock.h b/include/asm-generic/qrwlock.h
index 7d026bf..5092532 100644 (file)
--- a/include/asm-generic/qrwlock.h
+++ b/include/asm-generic/qrwlock.h
@@ -52,24 +52,6 @@
 extern void queued_read_lock_slowpath(struct qrwlock *lock, u32 cnts);
 extern void queued_write_lock_slowpath(struct qrwlock *lock);
 
-/**
- * queued_read_can_lock- would read_trylock() succeed?
- * @lock: Pointer to queue rwlock structure
- */
-static inline int queued_read_can_lock(struct qrwlock *lock)
-{
-       return !(atomic_read(&lock->cnts) & _QW_WMASK);
-}
-
-/**
- * queued_write_can_lock- would write_trylock() succeed?
- * @lock: Pointer to queue rwlock structure
- */
-static inline int queued_write_can_lock(struct qrwlock *lock)
-{
-       return !atomic_read(&lock->cnts);
-}
-
 /**
  * queued_read_trylock - try to acquire read lock of a queue rwlock
  * @lock : Pointer to queue rwlock structure
@@ -169,8 +151,6 @@ static inline void queued_write_unlock(struct qrwlock *lock)
  * Remapping rwlock architecture specific functions to the corresponding
  * queue rwlock functions.
  */
-#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)