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-rw-r--r--include/linux/rwsem-spinlock.h6
1 files changed, 1 insertions, 5 deletions
diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h
index 6c3c0f6c261f..bdfcc2527970 100644
--- a/include/linux/rwsem-spinlock.h
+++ b/include/linux/rwsem-spinlock.h
@@ -68,11 +68,7 @@ extern int __down_write_trylock(struct rw_semaphore *sem);
68extern void __up_read(struct rw_semaphore *sem); 68extern void __up_read(struct rw_semaphore *sem);
69extern void __up_write(struct rw_semaphore *sem); 69extern void __up_write(struct rw_semaphore *sem);
70extern void __downgrade_write(struct rw_semaphore *sem); 70extern void __downgrade_write(struct rw_semaphore *sem);
71 71extern int rwsem_is_locked(struct rw_semaphore *sem);
72static inline int rwsem_is_locked(struct rw_semaphore *sem)
73{
74 return (sem->activity != 0);
75}
76 72
77#endif /* __KERNEL__ */ 73#endif /* __KERNEL__ */
78#endif /* _LINUX_RWSEM_SPINLOCK_H */ 74#endif /* _LINUX_RWSEM_SPINLOCK_H */