Merge branch 'master'

[linux-2.6-omap-h63xx.git] / fs / xfs / linux-2.6 / xfs_lrw.c

diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index acab58c48043bd77c471c724090fbfe0156b120b..279e9bc92aba5f53d2506e614a8b14fd6e904838 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -1,44 +1,25 @@
 /*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * 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.
+ * 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.
  *
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like.  Any license provided herein, whether implied or
- * otherwise, applies only to this software file.  Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA  94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * 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
  */
-/*
- *  fs/xfs/linux/xfs_lrw.c (Linux Read Write stuff)
- *
- */
-
 #include "xfs.h"
-
 #include "xfs_fs.h"
-#include "xfs_inum.h"
+#include "xfs_bit.h"
 #include "xfs_log.h"
+#include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
@@ -48,18 +29,17 @@
 #include "xfs_dmapi.h"
 #include "xfs_quota.h"
 #include "xfs_mount.h"
-#include "xfs_alloc_btree.h"
 #include "xfs_bmap_btree.h"
+#include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_btree.h"
-#include "xfs_ialloc.h"
-#include "xfs_attr_sf.h"
 #include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
+#include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
 #include "xfs_bmap.h"
-#include "xfs_bit.h"
+#include "xfs_btree.h"
+#include "xfs_ialloc.h"
 #include "xfs_rtalloc.h"
 #include "xfs_error.h"
 #include "xfs_itable.h"
@@ -302,7 +282,7 @@ xfs_read(
        xfs_iunlock(ip, XFS_IOLOCK_SHARED);
 
        if (likely(!(ioflags & IO_INVIS)))
-               xfs_ichgtime(ip, XFS_ICHGTIME_ACC);
+               xfs_ichgtime_fast(ip, inode, XFS_ICHGTIME_ACC);
 
 unlock_isem:
        if (unlikely(ioflags & IO_ISDIRECT))
@@ -367,7 +347,7 @@ xfs_sendfile(
                XFS_STATS_ADD(xs_read_bytes, ret);
 
        if (likely(!(ioflags & IO_INVIS)))
-               xfs_ichgtime(ip, XFS_ICHGTIME_ACC);
+               xfs_ichgtime_fast(ip, LINVFS_GET_IP(vp), XFS_ICHGTIME_ACC);
 
        return ret;
 }
@@ -660,9 +640,6 @@ xfs_write(
                        (xip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
                                mp->m_rtdev_targp : mp->m_ddev_targp;
 
-               if (ioflags & IO_ISAIO)
-                       return XFS_ERROR(-ENOSYS);
-
                if ((pos & target->pbr_smask) || (count & target->pbr_smask))
                        return XFS_ERROR(-EINVAL);
 
@@ -735,15 +712,10 @@ start:
                }
        }
 
-       /*
-        * On Linux, generic_file_write updates the times even if
-        * no data is copied in so long as the write had a size.
-        *
-        * We must update xfs' times since revalidate will overcopy xfs.
-        */
-       if (!(ioflags & IO_INVIS)) {
-               xfs_ichgtime(xip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
+       if (likely(!(ioflags & IO_INVIS))) {
                inode_update_time(inode, 1);
+               xfs_ichgtime_fast(xip, inode,
+                                 XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
        }
 
        /*