usr/src/lib/lvm/libmeta/common/meta_replace.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27
  28 /*
  29  * replace components in metadevices
  30  */
  31
  32 #include <meta.h>
  33 #include <sys/lvm/md_stripe.h>
  34
  35 /*
  36  * replace named device
  37  */
  38 int
  39 meta_replace_byname(
  40         mdsetname_t     *sp,
  41         mdname_t        *np,
  42         mdname_t        *oldnp,
  43         mdname_t        *newnp,
  44         mdcmdopts_t     options,
  45         md_error_t      *ep
  46 )
  47 {
  48         char            *miscname;
  49
  50         /* should have a set */
  51         assert(sp != NULL);
  52         assert(sp->setno == MD_MIN2SET(meta_getminor(np->dev)));
  53
  54         /* get type */
  55         if (metachkmeta(np, ep) != 0)
  56                 return (-1);
  57         if ((miscname = metagetmiscname(np, ep)) == NULL)
  58                 return (-1);
  59
  60         /* dispatch */
  61         if (strcmp(miscname, MD_RAID) == 0) {
  62                 return (meta_raid_replace(sp, np, oldnp, newnp, options, ep));
  63         } else if (strcmp(miscname, MD_MIRROR) == 0) {
  64                 return (meta_mirror_replace(sp, np, oldnp, newnp, options, ep));
  65         } else {
  66                 return (mdmderror(ep, MDE_UNKNOWN_TYPE, meta_getminor(np->dev),
  67                     np->cname));
  68         }
  69 }
  70
  71 /*
  72  * enable named device
  73  */
  74 int
  75 meta_enable_byname(
  76         mdsetname_t     *sp,
  77         mdname_t        *np,
  78         mdname_t        *compnp,
  79         mdcmdopts_t     options,
  80         md_error_t      *ep
  81 )
  82 {
  83         char            *miscname;
  84
  85         /* should have a set */
  86         assert(sp != NULL);
  87         assert(sp->setno == MD_MIN2SET(meta_getminor(np->dev)));
  88
  89         /* get type */
  90         if (metachkmeta(np, ep) != 0)
  91                 return (-1);
  92         if ((miscname = metagetmiscname(np, ep)) == NULL)
  93                 return (-1);
  94
  95         /* dispatch */
  96         if (strcmp(miscname, MD_RAID) == 0) {
  97                 return (meta_raid_enable(sp, np, compnp, options, ep));
  98         } else if (strcmp(miscname, MD_MIRROR) == 0) {
  99                 return (meta_mirror_enable(sp, np, compnp, options, ep));
 100         } else {
 101                 return (mdmderror(ep, MDE_UNKNOWN_TYPE, meta_getminor(np->dev),
 102                     np->cname));
 103         }
 104 }