[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_utils.c b/fs/xfs/xfs_utils.c
index a02b944c6c7b..4df466fa3a40 100644
--- a/fs/xfs/xfs_utils.c
+++ b/fs/xfs/xfs_utils.c
@@ -330,7 +330,6 @@ xfs_bump_ino_vers2(
         xfs_inode_t     *ip)
 {
         xfs_mount_t     *mp;
-        unsigned long           s;
 
         ASSERT(ismrlocked (&ip->i_lock, MR_UPDATE));
         ASSERT(ip->i_d.di_version == XFS_DINODE_VERSION_1);
@@ -340,13 +339,13 @@ xfs_bump_ino_vers2(
         memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
         mp = tp->t_mountp;
         if (!XFS_SB_VERSION_HASNLINK(&mp->m_sb)) {
-                s = XFS_SB_LOCK(mp);
+                spin_lock(&mp->m_sb_lock);
                 if (!XFS_SB_VERSION_HASNLINK(&mp->m_sb)) {
                         XFS_SB_VERSION_ADDNLINK(&mp->m_sb);
-                        XFS_SB_UNLOCK(mp, s);
+                        spin_unlock(&mp->m_sb_lock);
                         xfs_mod_sb(tp, XFS_SB_VERSIONNUM);
                 } else {
-                        XFS_SB_UNLOCK(mp, s);
+                        spin_unlock(&mp->m_sb_lock);
                 }
         }
         /* Caller must log the inode */