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@xxxxxxxxxx>
---
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
--
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