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
41static  struct dups *duphead;
42static int pass1bcheck(struct inodesc *);
43
44void
45pass1b(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
91static int
92pass1bcheck(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