Messages in this thread Patch in this message | | | From | Waiman Long <> | Subject | [PATCH-tip 07/22] locking/rwsem: Move rwsem internal function declarations to rwsem-xadd.h | Date | Thu, 7 Feb 2019 14:07:11 -0500 |
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We don't need to expose rwsem internal functions which are not supposed to be called directly from other kernel code.
Signed-off-by: Waiman Long <longman@redhat.com> --- include/linux/rwsem.h | 7 ------- kernel/locking/rwsem-xadd.h | 7 +++++++ 2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index 6e56006..1e0457b 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -50,13 +50,6 @@ struct rw_semaphore { */ #define RWSEM_OWNER_UNKNOWN ((struct task_struct *)-2L) -extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_down_read_failed_killable(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_down_write_failed_killable(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *); -extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem); - /* In all implementations count != 0 means locked */ static inline int rwsem_is_locked(struct rw_semaphore *sem) { diff --git a/kernel/locking/rwsem-xadd.h b/kernel/locking/rwsem-xadd.h index 2eaa762..64e7d62 100644 --- a/kernel/locking/rwsem-xadd.h +++ b/kernel/locking/rwsem-xadd.h @@ -153,6 +153,13 @@ static inline void rwsem_clear_reader_owned(struct rw_semaphore *sem) } #endif +extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem); +extern struct rw_semaphore *rwsem_down_read_failed_killable(struct rw_semaphore *sem); +extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem); +extern struct rw_semaphore *rwsem_down_write_failed_killable(struct rw_semaphore *sem); +extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem); +extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem); + /* * lock for reading */ -- 1.8.3.1
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