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rwsem: Move duplicate struct rwsem declaration to linux/rwsem.h

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The difference between these declarations is the data type of the
count member and the lack of lockdep in some architectures/

long is equivivalent to signed long and the #ifdef guarded dep_map
member does not hurt anyone.

Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: David Howells <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Matt Turner <[email protected]>
Acked-by: Tony Luck <[email protected]>
Acked-by: Heiko Carstens <[email protected]>
Cc: Paul Mundt <[email protected]>
Acked-by: David Miller <[email protected]>
Cc: Chris Zankel <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Thomas Gleixner 2011-01-26 20:05:56 +00:00
commit 1c8ed640d9
9 changed files with 15 additions and 78 deletions
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9
arch/xtensa/include/asm/rwsem.h
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@ -16,20 +16,13 @@
#ifndef _LINUX_RWSEM_H
#error "Please don't include <asm/rwsem.h> directly, use <linux/rwsem.h> instead."
#endif
/*
* the semaphore definition
*/
struct rw_semaphore {
signed long count;
#define RWSEM_UNLOCKED_VALUE 0x00000000
#define RWSEM_ACTIVE_BIAS 0x00000001
#define RWSEM_ACTIVE_MASK 0x0000ffff
#define RWSEM_WAITING_BIAS (-0x00010000)
#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS
#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
spinlock_t wait_lock;
struct list_head wait_list;
};
#define __RWSEM_INITIALIZER(name) \
{ RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \