[XFS] Fix a noatime regression related to updating inode atime field on

mmap only.

SGI-PV: 952736
SGI-Modid: xfs-linux-melb:xfs-kern:25922a

Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 3 insertions, 17 deletions

diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index c847416f6d10..7c9f7598807f 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -362,15 +362,10 @@ xfs_vm_nopage(
 {
         struct inode    *inode = area->vm_file->f_dentry->d_inode;
         vnode_t         *vp = vn_from_inode(inode);
-        xfs_mount_t     *mp = XFS_VFSTOM(vp->v_vfsp);
-        int             error;
 
         ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI);
-
-        error = XFS_SEND_MMAP(mp, area, 0);
-        if (error)
+        if (XFS_SEND_MMAP(XFS_VFSTOM(vp->v_vfsp), area, 0))
                 return NULL;
-
         return filemap_nopage(area, address, type);
 }
 #endif /* CONFIG_XFS_DMAPI */
@@ -456,23 +451,14 @@ xfs_file_mmap(
         struct file     *filp,
         struct vm_area_struct *vma)
 {
-        struct inode    *ip = filp->f_dentry->d_inode;
-        vnode_t         *vp = vn_from_inode(ip);
-        vattr_t         vattr;
-        int             error;
-
         vma->vm_ops = &xfs_file_vm_ops;
 
 #ifdef CONFIG_XFS_DMAPI
-        if (vp->v_vfsp->vfs_flag & VFS_DMI) {
+        if (vn_from_inode(filp->f_dentry->d_inode)->v_vfsp->vfs_flag & VFS_DMI)
                 vma->vm_ops = &xfs_dmapi_file_vm_ops;
-        }
 #endif /* CONFIG_XFS_DMAPI */
 
-        vattr.va_mask = XFS_AT_UPDATIME;
-        VOP_SETATTR(vp, &vattr, XFS_AT_UPDATIME, NULL, error);
-        if (likely(!error))
-                __vn_revalidate(vp, &vattr);    /* update flags */
+        file_accessed(filp);
         return 0;
 }