xref: /freebsd/sbin/fsck_ffs/pass1b.c (revision 32e86a82)
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 #include <sys/param.h>
33 
34 #include <ufs/ufs/dinode.h>
35 #include <ufs/ffs/fs.h>
36 
37 #include <string.h>
38 
39 #include "fsck.h"
40 
41 static  struct dups *duphead;
42 static int pass1bcheck(struct inodesc *);
43 
44 void
pass1b(void)45 pass1b(void)
46 {
47 	int c, i;
48 	union dinode *dp;
49 	struct inodesc idesc;
50 	ino_t inumber, inosused;
51 
52 	memset(&idesc, 0, sizeof(struct inodesc));
53 	idesc.id_func = pass1bcheck;
54 	duphead = duplist;
55 	for (c = 0; c < sblock.fs_ncg; c++) {
56 		if (got_siginfo) {
57 			printf("%s: phase 1b: cyl group %d of %d (%d%%)\n",
58 			    cdevname, c, sblock.fs_ncg,
59 			    c * 100 / sblock.fs_ncg);
60 			got_siginfo = 0;
61 		}
62 		if (got_sigalarm) {
63 			setproctitle("%s p1b %d%%", cdevname,
64 			    c * 100 / sblock.fs_ncg);
65 			got_sigalarm = 0;
66 		}
67 		inosused = inostathead[c].il_numalloced;
68 		if (inosused == 0)
69 			continue;
70 		setinodebuf(c, inosused);
71 		inumber = c * sblock.fs_ipg;
72 		for (i = 0; i < inosused; i++, inumber++) {
73 			if (inumber < UFS_ROOTINO) {
74 				(void)getnextinode(inumber, 0);
75 				continue;
76 			}
77 			dp = getnextinode(inumber, 0);
78 			idesc.id_number = inumber;
79 			idesc.id_type = inoinfo(inumber)->ino_idtype;
80 			if (inoinfo(inumber)->ino_state != USTATE &&
81 			    (ckinode(dp, &idesc) & STOP)) {
82 				rerun = 1;
83 				freeinodebuf();
84 				return;
85 			}
86 		}
87 	}
88 	freeinodebuf();
89 }
90 
91 static int
pass1bcheck(struct inodesc * idesc)92 pass1bcheck(struct inodesc *idesc)
93 {
94 	struct dups *dlp;
95 	int nfrags, res = KEEPON;
96 	ufs2_daddr_t blkno = idesc->id_blkno;
97 
98 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
99 		if (chkrange(blkno, 1))
100 			res = SKIP;
101 		for (dlp = duphead; dlp; dlp = dlp->next) {
102 			if (dlp->dup == blkno) {
103 				blkerror(idesc->id_number, "DUP", blkno);
104 				dlp->dup = duphead->dup;
105 				duphead->dup = blkno;
106 				duphead = duphead->next;
107 			}
108 			if (dlp == muldup)
109 				break;
110 		}
111 		if (muldup == NULL || duphead == muldup->next) {
112 			rerun = 1;
113 			return (STOP);
114 		}
115 	}
116 	return (res);
117 }
118