1/*
2 * Copyright (c) 1980, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#if 0
35#ifndef lint
36static const char sccsid[] = "@(#)pass3.c 8.2 (Berkeley) 4/27/95";
37#endif /* not lint */
38#endif
39#include <sys/cdefs.h>
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40__FBSDID("$FreeBSD: head/sbin/fsck_ffs/pass3.c 114589 2003-05-03 18:41:59Z obrien $");
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| 40__FBSDID("$FreeBSD: head/sbin/fsck_ffs/pass3.c 126345 2004-02-28 07:50:42Z scottl $"); |
41
42#include <sys/param.h>
43
44#include <ufs/ufs/dinode.h>
45#include <ufs/ufs/dir.h>
46#include <ufs/ffs/fs.h>
47
48#include <string.h>
49
50#include "fsck.h"
51
52void
53pass3(void)
54{
55 struct inoinfo *inp;
56 int loopcnt, inpindex, state;
57 ino_t orphan;
58 struct inodesc idesc;
59 char namebuf[MAXNAMLEN+1];
60
61 for (inpindex = inplast - 1; inpindex >= 0; inpindex--) {
62 if (got_siginfo) {
63 printf("%s: phase 3: dir %d of %d (%d%%)\n", cdevname,
64 (int)(inplast - inpindex - 1), (int)inplast,
65 (int)((inplast - inpindex - 1) * 100 / inplast));
66 got_siginfo = 0;
67 }
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68 if (got_sigalarm) {
69 setproctitle("%s p3 %d%%", cdevname,
70 (int)((inplast - inpindex - 1) * 100 / inplast));
71 got_sigalarm = 0;
72 } |
73 inp = inpsort[inpindex];
74 state = inoinfo(inp->i_number)->ino_state;
75 if (inp->i_number == ROOTINO ||
76 (inp->i_parent != 0 && state != DSTATE))
77 continue;
78 if (state == DCLEAR)
79 continue;
80 /*
81 * If we are running with soft updates and we come
82 * across unreferenced directories, we just leave
83 * them in DSTATE which will cause them to be pitched
84 * in pass 4.
85 */
86 if ((preen || bkgrdflag) &&
87 resolved && usedsoftdep && state == DSTATE) {
88 if (inp->i_dotdot >= ROOTINO)
89 inoinfo(inp->i_dotdot)->ino_linkcnt++;
90 continue;
91 }
92 for (loopcnt = 0; ; loopcnt++) {
93 orphan = inp->i_number;
94 if (inp->i_parent == 0 ||
95 inoinfo(inp->i_parent)->ino_state != DSTATE ||
96 loopcnt > countdirs)
97 break;
98 inp = getinoinfo(inp->i_parent);
99 }
100 if (loopcnt <= countdirs) {
101 if (linkup(orphan, inp->i_dotdot, NULL)) {
102 inp->i_parent = inp->i_dotdot = lfdir;
103 inoinfo(lfdir)->ino_linkcnt--;
104 }
105 inoinfo(orphan)->ino_state = DFOUND;
106 propagate();
107 continue;
108 }
109 pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu",
110 (u_long)orphan);
111 if (reply("RECONNECT") == 0)
112 continue;
113 memset(&idesc, 0, sizeof(struct inodesc));
114 idesc.id_type = DATA;
115 idesc.id_number = inp->i_parent;
116 idesc.id_parent = orphan;
117 idesc.id_func = findname;
118 idesc.id_name = namebuf;
119 if ((ckinode(ginode(inp->i_parent), &idesc) & FOUND) == 0)
120 pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY");
121 if (linkup(orphan, inp->i_parent, namebuf)) {
122 idesc.id_func = clearentry;
123 if (ckinode(ginode(inp->i_parent), &idesc) & FOUND)
124 inoinfo(orphan)->ino_linkcnt++;
125 inp->i_parent = inp->i_dotdot = lfdir;
126 inoinfo(lfdir)->ino_linkcnt--;
127 }
128 inoinfo(orphan)->ino_state = DFOUND;
129 propagate();
130 }
131}
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