metagetroot.c revision d7cd82522afdd890a66c7600b499590ad44e84bd
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* get root device
*/
#include <meta.h>
#include "meta_lib_prv.h"
/*
* Return the current root filesystem block device name
*/
void *
)
{
return (NULL);
}
return (mp.mnt_special);
}
return (NULL);
}
/*
* Return the current root filesystem block device name. This is only valid
* when root is either a slice, a stripe or a mirror.
*/
mdname_t *
)
{
void *curroot;
char *miscname;
int smi;
return (NULL);
return (NULL);
if (metaismeta(rootnp)) {
return (NULL);
/* skip unused submirrors */
continue;
}
== NULL) {
return (NULL);
}
break;
}
}
}
/* Root is not a single stripe metadevice */
return (NULL);
} else return (rootnp);
}