diff options
Diffstat (limited to 'fs/xfs/linux-2.6')
-rw-r--r-- | fs/xfs/linux-2.6/spin.h | 18 |
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 | |||
31 | typedef 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__ */ |