1 /* $OpenBSD: pass3.c,v 1.18 2015/01/20 18:22:21 deraadt Exp $ */
2 /* $NetBSD: pass3.c,v 1.8 1995/03/18 14:55:54 cgd Exp $ */
3
4 /*
5 * Copyright (c) 1980, 1986, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #include <sys/time.h>
34 #include <ufs/ufs/dinode.h>
35 #include <ufs/ffs/fs.h>
36 #include <stdio.h>
37 #include "fsck.h"
38 #include "extern.h"
39
40 static int info_pos;
41
42 static int
pass3_info(char * buf,size_t buflen)43 pass3_info(char *buf, size_t buflen)
44 {
45 return (snprintf(buf, buflen, "phase 3, directory %d/%ld",
46 info_pos, inplast) > 0);
47 }
48
49 void
pass3(void)50 pass3(void)
51 {
52 struct inoinfo **inpp, *inp, *pinp;
53 ino_t orphan;
54 int loopcnt;
55
56 info_fn = pass3_info;
57 for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--) {
58 info_pos++;
59 inp = *inpp;
60 if (inp->i_number == ROOTINO ||
61 (inp->i_parent != 0 && GET_ISTATE(inp->i_number) != DSTATE))
62 continue;
63 if (GET_ISTATE(inp->i_number) == DCLEAR)
64 continue;
65 for (loopcnt = 0; ; loopcnt++) {
66 orphan = inp->i_number;
67 if (inp->i_parent == 0 ||
68 GET_ISTATE(inp->i_parent) != DSTATE ||
69 loopcnt > numdirs)
70 break;
71 inp = getinoinfo(inp->i_parent);
72 }
73 if (linkup(orphan, inp->i_dotdot)) {
74 inp->i_parent = inp->i_dotdot = lfdir;
75 ILNCOUNT(lfdir)--;
76 pinp = getinoinfo(inp->i_parent);
77 inp->i_sibling = pinp->i_child;
78 pinp->i_child = inp;
79 SET_ISTATE(orphan, GET_ISTATE(inp->i_parent));
80 }
81 propagate(orphan);
82 }
83 info_fn = NULL;
84 }
85