From 275a5d24bf56b2d9dd4644c54a56366b89a028f1 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Wed, 16 May 2007 16:53:28 -0400
Subject: [PATCH] NFS: Error when mounting the same filesystem with different
 options

Unless the user sets the NFS_MOUNT_NOSHAREDCACHE mount flag, we should
return EBUSY if the filesystem is already mounted on a superblock that
has set conflicting mount options.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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