From 11b80f459adaf91a712f95e7734a17655a36bf30 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 24 Jun 2011 14:29:44 -0400 Subject: [PATCH] rw_semaphore: remove up/down_read_non_owner Now that the last users is gone these can be removed. Signed-off-by: Christoph Hellwig Signed-off-by: Al Viro --- include/linux/rwsem.h | 10 ---------- kernel/rwsem.c | 16 ---------------- 2 files changed, 26 deletions(-) diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index a8afe9cd000c..77950dfa0a9e 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -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 */ diff --git a/kernel/rwsem.c b/kernel/rwsem.c index cae050b05f5e..176e5e56ffab 100644 --- a/kernel/rwsem.c +++ b/kernel/rwsem.c @@ -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