[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, 3 insertions, 4 deletions

diff --git a/fs/xfs/xfs_qmops.c b/fs/xfs/xfs_qmops.c
index 2ec1d8a27352..a294e58db8dd 100644
--- a/fs/xfs/xfs_qmops.c
+++ b/fs/xfs/xfs_qmops.c
@@ -49,18 +49,17 @@ xfs_mount_reset_sbqflags(xfs_mount_t *mp)
 {
         int                     error;
         xfs_trans_t             *tp;
-        unsigned long           s;
 
         mp->m_qflags = 0;
         /*
          * It is OK to look at sb_qflags here in mount path,
-         * without SB_LOCK.
+         * without m_sb_lock.
          */
         if (mp->m_sb.sb_qflags == 0)
                 return 0;
-        s = XFS_SB_LOCK(mp);
+        spin_lock(&mp->m_sb_lock);
         mp->m_sb.sb_qflags = 0;
-        XFS_SB_UNLOCK(mp, s);
+        spin_unlock(&mp->m_sb_lock);
 
         /*
          * if the fs is readonly, let the incore superblock run