xref: /freebsd/sbin/fsck_ffs/pass1b.c (revision 5e53a4f90f82c4345f277dd87cc9292f26e04a29)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1980, 1986, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #if 0
33 #ifndef lint
34 static const char sccsid[] = "@(#)pass1b.c	8.4 (Berkeley) 4/28/95";
35 #endif /* not lint */
36 #endif
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
39 
40 #include <sys/param.h>
41 
42 #include <ufs/ufs/dinode.h>
43 #include <ufs/ffs/fs.h>
44 
45 #include <string.h>
46 
47 #include "fsck.h"
48 
49 static  struct dups *duphead;
50 static int pass1bcheck(struct inodesc *);
51 
52 void
53 pass1b(void)
54 {
55 	int c, i;
56 	union dinode *dp;
57 	struct inodesc idesc;
58 	ino_t inumber;
59 
60 	memset(&idesc, 0, sizeof(struct inodesc));
61 	idesc.id_type = ADDR;
62 	idesc.id_func = pass1bcheck;
63 	duphead = duplist;
64 	inumber = 0;
65 	for (c = 0; c < sblock.fs_ncg; c++) {
66 		if (got_siginfo) {
67 			printf("%s: phase 1b: cyl group %d of %d (%d%%)\n",
68 			    cdevname, c, sblock.fs_ncg,
69 			    c * 100 / sblock.fs_ncg);
70 			got_siginfo = 0;
71 		}
72 		if (got_sigalarm) {
73 			setproctitle("%s p1b %d%%", cdevname,
74 			    c * 100 / sblock.fs_ncg);
75 			got_sigalarm = 0;
76 		}
77 		for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
78 			if (inumber < UFS_ROOTINO)
79 				continue;
80 			dp = ginode(inumber);
81 			if (dp == NULL)
82 				continue;
83 			idesc.id_number = inumber;
84 			if (inoinfo(inumber)->ino_state != USTATE &&
85 			    (ckinode(dp, &idesc) & STOP)) {
86 				rerun = 1;
87 				return;
88 			}
89 		}
90 	}
91 }
92 
93 static int
94 pass1bcheck(struct inodesc *idesc)
95 {
96 	struct dups *dlp;
97 	int nfrags, res = KEEPON;
98 	ufs2_daddr_t blkno = idesc->id_blkno;
99 
100 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
101 		if (chkrange(blkno, 1))
102 			res = SKIP;
103 		for (dlp = duphead; dlp; dlp = dlp->next) {
104 			if (dlp->dup == blkno) {
105 				blkerror(idesc->id_number, "DUP", blkno);
106 				dlp->dup = duphead->dup;
107 				duphead->dup = blkno;
108 				duphead = duphead->next;
109 			}
110 			if (dlp == muldup)
111 				break;
112 		}
113 		if (muldup == NULL || duphead == muldup->next) {
114 			rerun = 1;
115 			return (STOP);
116 		}
117 	}
118 	return (res);
119 }
120