[PATCH-tip v7 05/15] locking/rwsem: Move rwsem internal function declarations to rwsem-xadd.h
From: Waiman Long <longman@redhat.com>
Date: 2017-10-18 18:34:11
Also in:
linux-arch, linux-s390, lkml
Subsystem:
locking primitives, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Will Deacon, Boqun Feng, Linus Torvalds
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 398c748..e75ea44 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h@@ -42,13 +42,6 @@ struct rw_semaphore { #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 *); -extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem); - #define RWSEM_UNLOCKED_VALUE 0 /* In all implementations count != 0 means locked */
diff --git a/kernel/locking/rwsem-xadd.h b/kernel/locking/rwsem-xadd.h
index 64afa35..2a8d878 100644
--- a/kernel/locking/rwsem-xadd.h
+++ b/kernel/locking/rwsem-xadd.h@@ -90,6 +90,13 @@ static inline void rwsem_set_reader_owned(struct rw_semaphore *sem) #define RWSEM_COUNT_LOCKED(c) ((c) & RWSEM_LOCK_MASK) +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); + /* * lock for reading */
--
1.8.3.1