[XFS] No longer hold the BKL for the entire ioctl operation,

its not needed here.

SGI Modid: xfs-linux:xfs-kern:173032a
Signed-off-by: nathans@sgi.com

fs/xfs/linux-2.6/xfs_file.c

 /*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2004 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
@@ -53,6 +53,7 @@
 #include "xfs_rw.h"
 
 #include <linux/dcache.h>
+#include <linux/smp_lock.h>
 
 static struct vm_operations_struct linvfs_file_vm_ops;
 
@@ -440,9 +441,10 @@ linvfs_ioctl(
 	int		error;
 	vnode_t		*vp = LINVFS_GET_VP(inode);
 
-	ASSERT(vp);
+	unlock_kernel();
 	VOP_IOCTL(vp, inode, filp, 0, cmd, arg, error);
 	VMODIFY(vp);
+	lock_kernel();
 
 	/* NOTE:  some of the ioctl's return positive #'s as a
 	 *	  byte count indicating success, such as
@@ -463,9 +465,11 @@ linvfs_ioctl_invis(
 	int		error;
 	vnode_t		*vp = LINVFS_GET_VP(inode);
 
+	unlock_kernel();
 	ASSERT(vp);
 	VOP_IOCTL(vp, inode, filp, IO_INVIS, cmd, arg, error);
 	VMODIFY(vp);
+	lock_kernel();
 
 	/* NOTE:  some of the ioctl's return positive #'s as a
 	 *	  byte count indicating success, such as