xref: /titanic_41/usr/src/lib/lvm/libmeta/common/meta_mount.c (revision d7cd82522afdd890a66c7600b499590ad44e84bd)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*d7cd8252Stw21770  * Common Development and Distribution License (the "License").
6*d7cd8252Stw21770  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
217c478bd9Sstevel@tonic-gate /*
22*d7cd8252Stw21770  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
237c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate  */
257c478bd9Sstevel@tonic-gate 
267c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
277c478bd9Sstevel@tonic-gate 
287c478bd9Sstevel@tonic-gate /*
297c478bd9Sstevel@tonic-gate  * return mount association with meta device
307c478bd9Sstevel@tonic-gate  */
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate #include <meta.h>
337c478bd9Sstevel@tonic-gate 
347c478bd9Sstevel@tonic-gate #include <sys/mnttab.h>
357c478bd9Sstevel@tonic-gate 
367c478bd9Sstevel@tonic-gate #include "meta_lib_prv.h"
377c478bd9Sstevel@tonic-gate 
387c478bd9Sstevel@tonic-gate /*
397c478bd9Sstevel@tonic-gate  * return associated mount point with this mdname_t
407c478bd9Sstevel@tonic-gate  */
417c478bd9Sstevel@tonic-gate char *
meta_get_mountp(mdsetname_t * sp,mdname_t * np,md_error_t * ep)427c478bd9Sstevel@tonic-gate meta_get_mountp(
437c478bd9Sstevel@tonic-gate 	mdsetname_t	*sp,
447c478bd9Sstevel@tonic-gate 	mdname_t	*np,
457c478bd9Sstevel@tonic-gate 	md_error_t	*ep
467c478bd9Sstevel@tonic-gate )
477c478bd9Sstevel@tonic-gate {
487c478bd9Sstevel@tonic-gate 	FILE		*mfp;
497c478bd9Sstevel@tonic-gate 	struct mnttab	 m;
507c478bd9Sstevel@tonic-gate 	char		*mountp	= NULL;
517c478bd9Sstevel@tonic-gate 	char		mnt_mountp[MNT_LINE_MAX];
527c478bd9Sstevel@tonic-gate 	char		mnt_special[MNT_LINE_MAX];
537c478bd9Sstevel@tonic-gate 
547c478bd9Sstevel@tonic-gate 	/* should have a set */
557c478bd9Sstevel@tonic-gate 	assert(sp != NULL);
567c478bd9Sstevel@tonic-gate 
577c478bd9Sstevel@tonic-gate 	/* look in mnttab */
587c478bd9Sstevel@tonic-gate 	if ((mfp = open_mnttab()) == NULL) {
597c478bd9Sstevel@tonic-gate 		(void) mdsyserror(ep, errno, MNTTAB);
607c478bd9Sstevel@tonic-gate 		return (NULL);
617c478bd9Sstevel@tonic-gate 	}
627c478bd9Sstevel@tonic-gate 
637c478bd9Sstevel@tonic-gate 	while ((!mountp) && (getmntent(mfp, &m) == 0)) {
647c478bd9Sstevel@tonic-gate 		mdname_t	*mnp;
657c478bd9Sstevel@tonic-gate 
667c478bd9Sstevel@tonic-gate 		if ((m.mnt_special == NULL) || (m.mnt_mountp == NULL))
677c478bd9Sstevel@tonic-gate 			continue;
687c478bd9Sstevel@tonic-gate 
697c478bd9Sstevel@tonic-gate 		if (m.mnt_mountp[0] != '/')
707c478bd9Sstevel@tonic-gate 			continue;
717c478bd9Sstevel@tonic-gate 
727c478bd9Sstevel@tonic-gate 		if ((strcmp(m.mnt_fstype, "nfs") == 0) ||
737c478bd9Sstevel@tonic-gate 		    (strcmp(m.mnt_fstype, "autofs") == 0) ||
747c478bd9Sstevel@tonic-gate 		    (strcmp(m.mnt_fstype, "proc") == 0) ||
757c478bd9Sstevel@tonic-gate 		    (strcmp(m.mnt_fstype, "tmpfs") == 0) ||
767c478bd9Sstevel@tonic-gate 		    (strcmp(m.mnt_fstype, "cachefs") == 0) ||
777c478bd9Sstevel@tonic-gate 		    (strcmp(m.mnt_fstype, "lofs") == 0) ||
787c478bd9Sstevel@tonic-gate 		    (strcmp(m.mnt_fstype, "rfs") == 0) ||
797c478bd9Sstevel@tonic-gate 		    (strcmp(m.mnt_fstype, "fd") == 0))
807c478bd9Sstevel@tonic-gate 			continue;
817c478bd9Sstevel@tonic-gate 
827c478bd9Sstevel@tonic-gate 		(void) strcpy(mnt_mountp, m.mnt_mountp);
837c478bd9Sstevel@tonic-gate 		(void) strcpy(mnt_special, m.mnt_special);
84*d7cd8252Stw21770 		if ((mnp = metaname(&sp, mnt_special, UNKNOWN, ep)) == NULL) {
857c478bd9Sstevel@tonic-gate 			mdclrerror(ep);
867c478bd9Sstevel@tonic-gate 			continue;
877c478bd9Sstevel@tonic-gate 		}
887c478bd9Sstevel@tonic-gate 
897c478bd9Sstevel@tonic-gate 		if (np->dev == mnp->dev) {
907c478bd9Sstevel@tonic-gate 			mountp = mnt_mountp;
917c478bd9Sstevel@tonic-gate 		}
927c478bd9Sstevel@tonic-gate 	}
937c478bd9Sstevel@tonic-gate 
947c478bd9Sstevel@tonic-gate 	/* return success, if found */
957c478bd9Sstevel@tonic-gate 	return (mountp? Strdup(mountp): NULL);
967c478bd9Sstevel@tonic-gate }
97