[XFS] Shutdown the filesystem if all device paths have gone.  Made
shutdown vop flags consistent with sync vop flags declarations too.

SGI-PV: 939911
SGI-Modid: xfs-linux-melb:xfs-kern:26096a

Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index 2a8e16c..a64b7db 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -514,6 +514,8 @@
 extern void	vn_iowait(struct vnode *vp);
 extern void	vn_iowake(struct vnode *vp);
 
+extern void	vn_ioerror(struct vnode *vp, int error, char *f, int l);
+
 static inline int vn_count(struct vnode *vp)
 {
 	return atomic_read(&vn_to_inode(vp)->i_count);