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Diffstat (limited to 'fs/xfs/linux-2.6/spin.h')
-rw-r--r--fs/xfs/linux-2.6/spin.h18
1 files changed, 0 insertions, 18 deletions
diff --git a/fs/xfs/linux-2.6/spin.h b/fs/xfs/linux-2.6/spin.h
index 50a6191178f4..aa23557801b3 100644
--- a/fs/xfs/linux-2.6/spin.h
+++ b/fs/xfs/linux-2.6/spin.h
@@ -21,25 +21,7 @@
21#include <linux/sched.h> /* preempt needs this */ 21#include <linux/sched.h> /* preempt needs this */
22#include <linux/spinlock.h> 22#include <linux/spinlock.h>
23 23
24/*
25 * Map lock_t from IRIX to Linux spinlocks.
26 *
27 * We do not make use of lock_t from interrupt context, so we do not
28 * have to worry about disabling interrupts at all (unlike IRIX).
29 */
30
31typedef spinlock_t lock_t;
32
33#define SPLDECL(s) unsigned long s
34#ifndef DEFINE_SPINLOCK
35#define DEFINE_SPINLOCK(s) spinlock_t s = SPIN_LOCK_UNLOCKED
36#endif
37
38#define spinlock_init(lock, name) spin_lock_init(lock) 24#define spinlock_init(lock, name) spin_lock_init(lock)
39#define spinlock_destroy(lock) 25#define spinlock_destroy(lock)
40#define mutex_spinlock(lock) ({ spin_lock(lock); 0; })
41#define mutex_spinunlock(lock, s) do { spin_unlock(lock); (void)s; } while (0)
42#define nested_spinlock(lock) spin_lock(lock)
43#define nested_spinunlock(lock) spin_unlock(lock)
44 26
45#endif /* __XFS_SUPPORT_SPIN_H__ */ 27#endif /* __XFS_SUPPORT_SPIN_H__ */