nfs: don't bother setting/restoring export_path around do_nfs_root_mount()

nothing in it will be looking at that thing anyway

Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index 54dbb45..8146edf 100644 (file)
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -233,12 +233,10 @@ struct dentry *nfs4_try_mount(int flags, const char *dev_name,
        dfprintk(MOUNT, "--> nfs4_try_mount()\n");
 
        export_path = data->nfs_server.export_path;
-       data->nfs_server.export_path = "/";
        root_mnt = nfs_do_root_mount(
                        nfs4_create_server(mount_info, &nfs_v4),
                        flags, mount_info,
                        data->nfs_server.hostname);
-       data->nfs_server.export_path = export_path;
 
        res = nfs_follow_remote_path(root_mnt, export_path);
 
@@ -271,12 +269,10 @@ static struct dentry *nfs4_referral_mount(struct file_system_type *fs_type,
                return ERR_PTR(-ENOMEM);
 
        export_path = data->mnt_path;
-       data->mnt_path = "/";
        root_mnt = nfs_do_root_mount(
                        nfs4_create_referral_server(mount_info.cloned,
                                                    mount_info.mntfh),
                        flags, &mount_info, data->hostname);
-       data->mnt_path = export_path;
 
        res = nfs_follow_remote_path(root_mnt, export_path);
        dprintk("<-- nfs4_referral_mount() = %d%s\n",