[XFS] Remove spin.h

remove spinlock init abstraction macro in spin.h, remove the callers, and
remove the file. Move no-op spinlock_destroy to xfs_linux.h Cleanup
spinlock locals in xfs_mount.c

SGI-PV: 970382
SGI-Modid: xfs-linux-melb:xfs-kern:29751a

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

11 files changed, 14 insertions, 45 deletions

diff --git a/fs/xfs/linux-2.6/spin.h b/fs/xfs/linux-2.6/spin.h
deleted file mode 100644
index aa23557801b3..000000000000
--- a/fs/xfs/linux-2.6/spin.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#ifndef __XFS_SUPPORT_SPIN_H__
-#define __XFS_SUPPORT_SPIN_H__
-
-#include <linux/sched.h>        /* preempt needs this */
-#include <linux/spinlock.h>
-
-#define spinlock_init(lock, name)       spin_lock_init(lock)
-#define spinlock_destroy(lock)
-
-#endif /* __XFS_SUPPORT_SPIN_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index a49dd8d4b069..522cfaa70258 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1572,7 +1572,7 @@ xfs_alloc_delwrite_queue(
 
         INIT_LIST_HEAD(&btp->bt_list);
         INIT_LIST_HEAD(&btp->bt_delwrite_queue);
-        spinlock_init(&btp->bt_delwrite_lock, "delwri_lock");
+        spin_lock_init(&btp->bt_delwrite_lock);
         btp->bt_flags = 0;
         btp->bt_task = kthread_run(xfsbufd, btp, "xfsbufd");
         if (IS_ERR(btp->bt_task)) {
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index dc3752de22da..ec51ecd13877 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -43,7 +43,6 @@
 
 #include <kmem.h>
 #include <mrlock.h>
-#include <spin.h>
 #include <sv.h>
 #include <mutex.h>
 #include <sema.h>
@@ -75,6 +74,7 @@
 #include <linux/notifier.h>
 #include <linux/delay.h>
 #include <linux/log2.h>
+#include <linux/spinlock.h>
 
 #include <asm/page.h>
 #include <asm/div64.h>
@@ -136,6 +136,8 @@
 #define current_restore_flags_nested(sp, f)     \
                 (current->flags = ((current->flags & ~(f)) | (*(sp) & (f))))
 
+#define spinlock_destroy(lock)
+
 #define NBPP            PAGE_SIZE
 #define NDPP            (1 << (PAGE_SHIFT - 9))
 
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 08b44758035e..35582fe9d648 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -1138,7 +1138,7 @@ xfs_qm_init_quotainfo(
                 return error;
         }
 
-        spinlock_init(&qinf->qi_pinlock, "xfs_qinf_pin");
+        spin_lock_init(&qinf->qi_pinlock);
         xfs_qm_list_init(&qinf->qi_dqlist, "mpdqlist", 0);
         qinf->qi_dqreclaims = 0;
 
diff --git a/fs/xfs/support/debug.c b/fs/xfs/support/debug.c
index f45a49ffd3a3..fa4fb1820e75 100644
--- a/fs/xfs/support/debug.c
+++ b/fs/xfs/support/debug.c
@@ -17,7 +17,6 @@
  */
 #include <xfs.h>
 #include "debug.h"
-#include "spin.h"
 
 static char             message[1024];  /* keep it off the stack */
 static DEFINE_SPINLOCK(xfs_err_lock);
diff --git a/fs/xfs/support/ktrace.h b/fs/xfs/support/ktrace.h
index 1e6d4a38ba28..56e72b40a859 100644
--- a/fs/xfs/support/ktrace.h
+++ b/fs/xfs/support/ktrace.h
@@ -18,8 +18,6 @@
 #ifndef __XFS_SUPPORT_KTRACE_H__
 #define __XFS_SUPPORT_KTRACE_H__
 
-#include <spin.h>
-
 /*
  * Trace buffer entry structure.
  */
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index c23fb2aaa339..ea6aa60ace06 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -2206,7 +2206,7 @@ xfs_alloc_read_agf(
                         be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNOi]);
                 pag->pagf_levels[XFS_BTNUM_CNTi] =
                         be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]);
-                spinlock_init(&pag->pagb_lock, "xfspagb");
+                spin_lock_init(&pag->pagb_lock);
                 pag->pagb_list = kmem_zalloc(XFS_PAGB_NUM_SLOTS *
                                         sizeof(xfs_perag_busy_t), KM_SLEEP);
                 pag->pagf_init = 1;
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index f1f1f36876e4..615638201284 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1189,8 +1189,8 @@ xlog_alloc_log(xfs_mount_t	*mp,
         ASSERT(XFS_BUF_VALUSEMA(bp) <= 0);
         log->l_xbuf = bp;
 
-        spinlock_init(&log->l_icloglock, "iclog");
-        spinlock_init(&log->l_grant_lock, "grhead_iclog");
+        spin_lock_init(&log->l_icloglock);
+        spin_lock_init(&log->l_grant_lock);
         initnsema(&log->l_flushsema, 0, "ic-flush");
         xlog_state_ticket_alloc(log);  /* wait until after icloglock inited */
 
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 6bc92c85733f..6115f371663d 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -136,8 +136,8 @@ xfs_mount_init(void)
                 mp->m_flags |= XFS_MOUNT_NO_PERCPU_SB;
         }
 
-        spinlock_init(&mp->m_ail_lock, "xfs_ail");
-        spinlock_init(&mp->m_sb_lock, "xfs_sb");
+        spin_lock_init(&mp->m_ail_lock);
+        spin_lock_init(&mp->m_sb_lock);
         mutex_init(&mp->m_ilock);
         mutex_init(&mp->m_growlock);
         /*
@@ -616,7 +616,7 @@ xfs_mount_common(xfs_mount_t *mp, xfs_sb_t *sbp)
         int     i;
 
         mp->m_agfrotor = mp->m_agirotor = 0;
-        spinlock_init(&mp->m_agirotor_lock, "m_agirotor_lock");
+        spin_lock_init(&mp->m_agirotor_lock);
         mp->m_maxagi = mp->m_sb.sb_agcount;
         mp->m_blkbit_log = sbp->sb_blocklog + XFS_NBBYLOG;
         mp->m_blkbb_log = sbp->sb_blocklog - BBSHIFT;
@@ -1916,7 +1916,6 @@ xfs_icsb_cpu_notify(
 {
         xfs_icsb_cnts_t *cntp;
         xfs_mount_t     *mp;
-        int             s;
 
         mp = (xfs_mount_t *)container_of(nfb, xfs_mount_t, m_icsb_notifier);
         cntp = (xfs_icsb_cnts_t *)
@@ -2190,7 +2189,6 @@ xfs_icsb_sync_counters_flags(
         int             flags)
 {
         xfs_icsb_cnts_t cnt;
-        int             s;
 
         /* Pass 1: lock all counters */
         if ((flags & XFS_ICSB_SB_LOCKED) == 0)
@@ -2248,7 +2246,6 @@ xfs_icsb_balance_counter(
 {
         uint64_t        count, resid;
         int             weight = num_online_cpus();
-        int             s;
         uint64_t        min = (uint64_t)min_per_cpu;
 
         if (!(flags & XFS_ICSB_SB_LOCKED))
@@ -2298,7 +2295,7 @@ xfs_icsb_modify_counters(
 {
         xfs_icsb_cnts_t *icsbp;
         long long       lcounter;       /* long counter for 64 bit fields */
-        int             cpu, ret = 0, s;
+        int             cpu, ret = 0;
 
         might_sleep();
 again:
diff --git a/fs/xfs/xfs_mru_cache.c b/fs/xfs/xfs_mru_cache.c
index dc64630e870e..012209eda35d 100644
--- a/fs/xfs/xfs_mru_cache.c
+++ b/fs/xfs/xfs_mru_cache.c
@@ -368,7 +368,7 @@ xfs_mru_cache_create(
          */
         INIT_RADIX_TREE(&mru->store, GFP_ATOMIC);
         INIT_LIST_HEAD(&mru->reap_list);
-        spinlock_init(&mru->lock, "xfs_mru_cache");
+        spin_lock_init(&mru->lock);
         INIT_DELAYED_WORK(&mru->work, _xfs_mru_cache_reap);
 
         mru->grp_time  = grp_time;
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index 44f0216c03e9..f5844678d45e 100644
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -68,7 +68,7 @@ xfs_init(void)
         extern kmem_zone_t      *xfs_dabuf_zone;
 #ifdef XFS_DABUF_DEBUG
         extern spinlock_t        xfs_dabuf_global_lock;
-        spinlock_init(&xfs_dabuf_global_lock, "xfsda");
+        spin_lock_init(&xfs_dabuf_global_lock);
 #endif
 
         /*