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[XFS] Cleanup lock goop.

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Switch last couple lock_t's to spinlock_t's. Remove now-unused
spinlock-related macros & types.

SGI-PV: 970382
SGI-Modid: xfs-linux-melb:xfs-kern:29748a

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Eric Sandeen 2007-10-11 17:43:43 +10:00 committed by Lachlan McIlroy
parent 3a0e487034
commit 36e41eebda
3 changed files with 2 additions and 20 deletions
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18
fs/xfs/linux-2.6/spin.h
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@ -21,25 +21,7 @@
#include <linux/sched.h> /* preempt needs this */
#include <linux/spinlock.h>
/*
* Map lock_t from IRIX to Linux spinlocks.
*
* We do not make use of lock_t from interrupt context, so we do not
* have to worry about disabling interrupts at all (unlike IRIX).
*/
typedef spinlock_t lock_t;
#define SPLDECL(s) unsigned long s
#ifndef DEFINE_SPINLOCK
#define DEFINE_SPINLOCK(s) spinlock_t s = SPIN_LOCK_UNLOCKED
#endif
#define spinlock_init(lock, name) spin_lock_init(lock)
#define spinlock_destroy(lock)
#define mutex_spinlock(lock) ({ spin_lock(lock); 0; })
#define mutex_spinunlock(lock, s) do { spin_unlock(lock); (void)s; } while (0)
#define nested_spinlock(lock) spin_lock(lock)
#define nested_spinunlock(lock) spin_unlock(lock)
#endif /* __XFS_SUPPORT_SPIN_H__ */

2
fs/xfs/xfs_inode.h
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@ -181,7 +181,7 @@ typedef struct xfs_icluster {
xfs_daddr_t icl_blkno; /* starting block number of
* the cluster */
struct xfs_buf *icl_buf; /* the inode buffer */
lock_t icl_lock; /* inode list lock */
spinlock_t icl_lock; /* inode list lock */
} xfs_icluster_t;
/*

2
fs/xfs/xfs_mount.h
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@ -236,7 +236,7 @@ typedef struct xfs_mount {
int m_bsize; /* fs logical block size */
xfs_agnumber_t m_agfrotor; /* last ag where space found */
xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */
lock_t m_agirotor_lock;/* .. and lock protecting it */
spinlock_t m_agirotor_lock;/* .. and lock protecting it */
xfs_agnumber_t m_maxagi; /* highest inode alloc group */
struct xfs_inode *m_inodes; /* active inode list */
struct list_head m_del_inodes; /* inodes to reclaim */