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[PATCH] lockdep: clean up rwsems

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Clean up rwsems.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-07-03 00:24:29 -07:00 • committed by Linus Torvalds
parent 8b3db9c542
commit c4e05116a2
6 changed files with 109 additions and 128 deletions
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24
include/linux/rwsem.h
View file

@ -9,8 +9,6 @@
#include <linux/linkage.h>
#define RWSEM_DEBUG 0
#ifdef __KERNEL__
#include <linux/types.h>
@ -26,23 +24,13 @@ struct rw_semaphore;
#include <asm/rwsem.h> /* use an arch-specific implementation */
#endif
#ifndef rwsemtrace
#if RWSEM_DEBUG
extern void FASTCALL(rwsemtrace(struct rw_semaphore *sem, const char *str));
#else
#define rwsemtrace(SEM,FMT)
#endif
#endif
/*
* lock for reading
*/
static inline void down_read(struct rw_semaphore *sem)
{
might_sleep();
rwsemtrace(sem,"Entering down_read");
__down_read(sem);
rwsemtrace(sem,"Leaving down_read");
}
/*
@ -51,9 +39,7 @@ static inline void down_read(struct rw_semaphore *sem)
static inline int down_read_trylock(struct rw_semaphore *sem)
{
int ret;
rwsemtrace(sem,"Entering down_read_trylock");
ret = __down_read_trylock(sem);
rwsemtrace(sem,"Leaving down_read_trylock");
return ret;
}
@ -63,9 +49,7 @@ static inline int down_read_trylock(struct rw_semaphore *sem)
static inline void down_write(struct rw_semaphore *sem)
{
might_sleep();
rwsemtrace(sem,"Entering down_write");
__down_write(sem);
rwsemtrace(sem,"Leaving down_write");
}
/*
@ -74,9 +58,7 @@ static inline void down_write(struct rw_semaphore *sem)
static inline int down_write_trylock(struct rw_semaphore *sem)
{
int ret;
rwsemtrace(sem,"Entering down_write_trylock");
ret = __down_write_trylock(sem);
rwsemtrace(sem,"Leaving down_write_trylock");
return ret;
}
@ -85,9 +67,7 @@ static inline int down_write_trylock(struct rw_semaphore *sem)
*/
static inline void up_read(struct rw_semaphore *sem)
{
rwsemtrace(sem,"Entering up_read");
__up_read(sem);
rwsemtrace(sem,"Leaving up_read");
}
/*
@ -95,9 +75,7 @@ static inline void up_read(struct rw_semaphore *sem)
*/
static inline void up_write(struct rw_semaphore *sem)
{
rwsemtrace(sem,"Entering up_write");
__up_write(sem);
rwsemtrace(sem,"Leaving up_write");
}
/*
@ -105,9 +83,7 @@ static inline void up_write(struct rw_semaphore *sem)
*/
static inline void downgrade_write(struct rw_semaphore *sem)
{
rwsemtrace(sem,"Entering downgrade_write");
__downgrade_write(sem);
rwsemtrace(sem,"Leaving downgrade_write");
}
#endif /* __KERNEL__ */