More imformative message on umount failure.

[Dave Jones <davej@redhat.com>]

We had a user trigger this message on a box that had a lot
of different mounts, all with different options.
It might help narrow down wtf happened if we print out
which device failed.

Signed-off-by: Dave Jones <davej@redhat.com>

--- linux-2.6.15.noarch/fs/super.c~	2006-02-02 20:19:20.000000000 -0500
+++ linux-2.6.15.noarch/fs/super.c	2006-02-02 20:20:02.000000000 -0500
@@ -247,8 +247,9 @@ void generic_shutdown_super(struct super
 
 		/* Forget any remaining inodes */
 		if (invalidate_inodes(sb)) {
-			printk("VFS: Busy inodes after unmount. "
-			   "Self-destruct in 5 seconds.  Have a nice day...\n");
+			printk("VFS: Busy inodes after unmount of %s. "
+			   "Self-destruct in 5 seconds.  Have a nice day...\n",
+			   sb->s_id);
 		}
 
 		unlock_kernel();
-
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