[XFS] Unwrap XFS_SB_LOCK.

Un-obfuscate XFS_SB_LOCK, remove XFS_SB_LOCK->mutex_lock->spin_lock
macros, call spin_lock directly, remove extraneous cookie holdover from
old xfs code, and change lock type to spinlock_t.

SGI-PV: 970382
SGI-Modid: xfs-linux-melb:xfs-kern:29746a

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 723f01f59cb8..31035b76a26f 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -227,7 +227,7 @@ typedef struct xfs_mount {
         xfs_ail_entry_t         m_ail;          /* fs active log item list */
         uint                    m_ail_gen;      /* fs AIL generation count */
         xfs_sb_t                m_sb;           /* copy of fs superblock */
-        lock_t                  m_sb_lock;      /* sb counter mutex */
+        spinlock_t              m_sb_lock;      /* sb counter lock */
         struct xfs_buf          *m_sb_bp;       /* buffer for superblock */
         char                    *m_fsname;      /* filesystem name */
         int                     m_fsname_len;   /* strlen of fs name */
@@ -503,8 +503,6 @@ typedef struct xfs_mod_sb {
 
 #define XFS_MOUNT_ILOCK(mp)     mutex_lock(&((mp)->m_ilock))
 #define XFS_MOUNT_IUNLOCK(mp)   mutex_unlock(&((mp)->m_ilock))
-#define XFS_SB_LOCK(mp)         mutex_spinlock(&(mp)->m_sb_lock)
-#define XFS_SB_UNLOCK(mp,s)     mutex_spinunlock(&(mp)->m_sb_lock,(s))
 
 extern xfs_mount_t *xfs_mount_init(void);
 extern void     xfs_mod_sb(xfs_trans_t *, __int64_t);