Commit-ID: 12a30a7fc142a123c61da9623bd824d95d36c12e Gitweb: https://git.kernel.org/tip/12a30a7fc142a123c61da9623bd824d95d36c12e Author: Waiman Long <long...@redhat.com> AuthorDate: Thu, 4 Apr 2019 13:43:12 -0400 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Wed, 10 Apr 2019 10:56:00 +0200
locking/rwsem: Move rwsem internal function declarations to rwsem-xadd.h 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 <long...@redhat.com> Acked-by: Peter Zijlstra <a.p.zijls...@chello.nl> Acked-by: Will Deacon <will.dea...@arm.com> Acked-by: Davidlohr Bueso <dbu...@suse.de> Cc: Andrew Morton <a...@linux-foundation.org> Cc: Arnd Bergmann <a...@arndb.de> Cc: Borislav Petkov <b...@alien8.de> Cc: Davidlohr Bueso <d...@stgolabs.net> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Paul E. McKenney <paul...@linux.vnet.ibm.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Tim Chen <tim.c.c...@linux.intel.com> Link: http://lkml.kernel.org/r/20190404174320.22416-4-long...@redhat.com Signed-off-by: Ingo Molnar <mi...@kernel.org> --- include/linux/rwsem.h | 7 ------- kernel/locking/rwsem.h | 7 +++++++ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index 0fc41062c649..b44e533235c7 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -46,13 +46,6 @@ 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.h b/kernel/locking/rwsem.h index ee24c4f257a5..19997c82270b 100644 --- a/kernel/locking/rwsem.h +++ b/kernel/locking/rwsem.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 */
