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Commit 11b80f45 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro
Browse files

rw_semaphore: remove up/down_read_non_owner 



Now that the last users is gone these can be removed.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent bd5fe6c5

include/linux/rwsem.h

+0 −10
Original line number Diff line number Diff line
@@ -124,19 +124,9 @@ extern void downgrade_write(struct rw_semaphore *sem); 
 */

extern void down_read_nested(struct rw_semaphore *sem, int subclass);

extern void down_write_nested(struct rw_semaphore *sem, int subclass);

/*

 * Take/release a lock when not the owner will release it.

 *

 * [ This API should be avoided as much as possible - the

 *   proper abstraction for this case is completions. ]

 */

extern void down_read_non_owner(struct rw_semaphore *sem);

extern void up_read_non_owner(struct rw_semaphore *sem);

#else

# define down_read_nested(sem, subclass)		down_read(sem)

# define down_write_nested(sem, subclass)	down_write(sem)

# define down_read_non_owner(sem)		down_read(sem)

# define up_read_non_owner(sem)			up_read(sem)

#endif



#endif /* _LINUX_RWSEM_H */

kernel/rwsem.c

+0 −16
Original line number Diff line number Diff line
@@ -117,15 +117,6 @@ void down_read_nested(struct rw_semaphore *sem, int subclass) 


EXPORT_SYMBOL(down_read_nested);



void down_read_non_owner(struct rw_semaphore *sem)

{

	might_sleep();



	__down_read(sem);

}



EXPORT_SYMBOL(down_read_non_owner);



void down_write_nested(struct rw_semaphore *sem, int subclass)

{

	might_sleep();
@@ -136,13 +127,6 @@ void down_write_nested(struct rw_semaphore *sem, int subclass) 


EXPORT_SYMBOL(down_write_nested);



void up_read_non_owner(struct rw_semaphore *sem)

{

	__up_read(sem);

}



EXPORT_SYMBOL(up_read_non_owner);



#endif