[PATCH] i_version: remount support

Add support for remounting a filesystem with the i_version option.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 025a4a2..7d719c1 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -136,7 +136,7 @@
 /*
  * Superblock flags that can be altered by MS_REMOUNT
  */
-#define MS_RMT_MASK	(MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK)
+#define MS_RMT_MASK	(MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION)
 
 /*
  * Old magic mount flag and mask