xref: /illumos-gate/usr/src/cmd/fs.d/ufs/fsck/pass1b.c (revision 355d6bb5)
17c478bd9Sstevel@tonic-gate /*
2*355d6bb5Sswilcox  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
37c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
47c478bd9Sstevel@tonic-gate  */
57c478bd9Sstevel@tonic-gate 
67c478bd9Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
77c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
87c478bd9Sstevel@tonic-gate 
97c478bd9Sstevel@tonic-gate /*
107c478bd9Sstevel@tonic-gate  * Copyright (c) 1980, 1986, 1990 The Regents of the University of California.
117c478bd9Sstevel@tonic-gate  * All rights reserved.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * Redistribution and use in source and binary forms are permitted
147c478bd9Sstevel@tonic-gate  * provided that: (1) source distributions retain this entire copyright
157c478bd9Sstevel@tonic-gate  * notice and comment, and (2) distributions including binaries display
167c478bd9Sstevel@tonic-gate  * the following acknowledgement:  ``This product includes software
177c478bd9Sstevel@tonic-gate  * developed by the University of California, Berkeley and its contributors''
187c478bd9Sstevel@tonic-gate  * in the documentation or other materials provided with the distribution
197c478bd9Sstevel@tonic-gate  * and in all advertising materials mentioning features or use of this
207c478bd9Sstevel@tonic-gate  * software. Neither the name of the University nor the names of its
217c478bd9Sstevel@tonic-gate  * contributors may be used to endorse or promote products derived
227c478bd9Sstevel@tonic-gate  * from this software without specific prior written permission.
237c478bd9Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
247c478bd9Sstevel@tonic-gate  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
257c478bd9Sstevel@tonic-gate  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
267c478bd9Sstevel@tonic-gate  */
277c478bd9Sstevel@tonic-gate 
287c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
297c478bd9Sstevel@tonic-gate 
30*355d6bb5Sswilcox #include <stdio.h>
31*355d6bb5Sswilcox #include <stdlib.h>
32*355d6bb5Sswilcox #include <unistd.h>
337c478bd9Sstevel@tonic-gate #include <sys/param.h>
347c478bd9Sstevel@tonic-gate #include <sys/types.h>
357c478bd9Sstevel@tonic-gate #include <sys/mntent.h>
367c478bd9Sstevel@tonic-gate #include <sys/fs/ufs_fs.h>
377c478bd9Sstevel@tonic-gate #include <sys/vnode.h>
387c478bd9Sstevel@tonic-gate #include <sys/fs/ufs_inode.h>
397c478bd9Sstevel@tonic-gate #include "fsck.h"
407c478bd9Sstevel@tonic-gate 
41*355d6bb5Sswilcox static int pass1bcheck(struct inodesc *);
427c478bd9Sstevel@tonic-gate 
43*355d6bb5Sswilcox void
pass1b(void)44*355d6bb5Sswilcox pass1b(void)
457c478bd9Sstevel@tonic-gate {
467c478bd9Sstevel@tonic-gate 	struct dinode *dp;
477c478bd9Sstevel@tonic-gate 	struct inodesc idesc;
48*355d6bb5Sswilcox 	fsck_ino_t inumber;
497c478bd9Sstevel@tonic-gate 
50*355d6bb5Sswilcox 	/*
51*355d6bb5Sswilcox 	 * We can get STOP failures from ckinode() that
52*355d6bb5Sswilcox 	 * are completely independent of our dup checks.
53*355d6bb5Sswilcox 	 * If that were not the case, then we could track
54*355d6bb5Sswilcox 	 * when we've seen all of the dups and short-
55*355d6bb5Sswilcox 	 * circuit our search.  As it is, we need to
56*355d6bb5Sswilcox 	 * keep going, so there's no point in looking
57*355d6bb5Sswilcox 	 * at what ckinode() returns to us.
58*355d6bb5Sswilcox 	 */
59*355d6bb5Sswilcox 
60*355d6bb5Sswilcox 	for (inumber = UFSROOTINO; inumber < maxino; inumber++) {
61*355d6bb5Sswilcox 		init_inodesc(&idesc);
62*355d6bb5Sswilcox 		idesc.id_type = ADDR;
63*355d6bb5Sswilcox 		idesc.id_func = pass1bcheck;
64*355d6bb5Sswilcox 		idesc.id_number = inumber;
65*355d6bb5Sswilcox 		idesc.id_fix = DONTKNOW;
66*355d6bb5Sswilcox 		dp = ginode(inumber);
67*355d6bb5Sswilcox 		if (statemap[inumber] != USTATE)
68*355d6bb5Sswilcox 			(void) ckinode(dp, &idesc, CKI_TRAVERSE);
697c478bd9Sstevel@tonic-gate 	}
707c478bd9Sstevel@tonic-gate }
717c478bd9Sstevel@tonic-gate 
72*355d6bb5Sswilcox static int
pass1bcheck(struct inodesc * idesc)73*355d6bb5Sswilcox pass1bcheck(struct inodesc *idesc)
747c478bd9Sstevel@tonic-gate {
757c478bd9Sstevel@tonic-gate 	int res = KEEPON;
76*355d6bb5Sswilcox 	int nfrags;
77*355d6bb5Sswilcox 	daddr32_t lbn;
787c478bd9Sstevel@tonic-gate 	daddr32_t blkno = idesc->id_blkno;
797c478bd9Sstevel@tonic-gate 
80*355d6bb5Sswilcox 	for (nfrags = 0; nfrags < idesc->id_numfrags; blkno++, nfrags++) {
81*355d6bb5Sswilcox 		if (chkrange(blkno, 1)) {
827c478bd9Sstevel@tonic-gate 			res = SKIP;
83*355d6bb5Sswilcox 		} else {
84*355d6bb5Sswilcox 			/*
85*355d6bb5Sswilcox 			 * Note that we only report additional dup claimants
86*355d6bb5Sswilcox 			 * in this pass, as the first claimant found was
87*355d6bb5Sswilcox 			 * listed during pass 1.
88*355d6bb5Sswilcox 			 */
89*355d6bb5Sswilcox 			lbn = idesc->id_lbn * sblock.fs_frag + nfrags;
90*355d6bb5Sswilcox 			if (find_dup_ref(blkno, idesc->id_number, lbn, DB_INCR))
91*355d6bb5Sswilcox 				blkerror(idesc->id_number, "DUP", blkno, lbn);
927c478bd9Sstevel@tonic-gate 		}
937c478bd9Sstevel@tonic-gate 	}
947c478bd9Sstevel@tonic-gate 	return (res);
957c478bd9Sstevel@tonic-gate }
96