1 /* $NetBSD: preen.c,v 1.18 1998/07/26 20:02:36 mycroft Exp $ */
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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 * 4. 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.
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
34 #include <sys/cdefs.h>
37 static char sccsid[] = "@(#)preen.c 8.5 (Berkeley) 4/28/95";
39 __RCSID("$NetBSD: preen.c,v 1.18 1998/07/26 20:02:36 mycroft Exp $");
43 #include <sys/param.h>
46 #include <sys/queue.h>
59 TAILQ_ENTRY(partentry) p_entries;
60 char *p_devname; /* device name */
61 char *p_mntpt; /* mount point */
62 char *p_type; /* file system type */
65 static TAILQ_HEAD(part, partentry) badh;
68 TAILQ_ENTRY(diskentry) d_entries;
69 char *d_name; /* disk base name */
70 TAILQ_HEAD(prt, partentry) d_part; /* list of partitions on disk */
71 int d_pid; /* 0 or pid of fsck proc */
74 static TAILQ_HEAD(disk, diskentry) diskh;
76 static int nrun = 0, ndisks = 0;
78 static struct diskentry *finddisk(const char *);
79 static void addpart(const char *, const char *, const char *);
80 static int startdisk(struct diskentry *,
81 int (*)(const char *, const char *, const char *, const char *, pid_t *));
82 static void printpart(void);
85 checkfstab(int flags, int (*docheck)(struct fstab *),
86 int (*checkit)(const char *, const char *, const char *, const char *, pid_t *))
89 struct diskentry *d, *nextdisk;
91 int ret, pid, retcode, passno, sumstatus, status, nextpass;
100 for (passno = 1; nextpass != INT_MAX; passno = nextpass) {
101 if (flags & CHECK_DEBUG)
102 printf("pass %d\n", passno);
105 if (setfsent() == 0) {
106 warnx("Can't open checklist file: %s\n", _PATH_FSTAB);
109 while ((fs = getfsent()) != 0) {
111 if (fs->fs_passno > passno && fs->fs_passno < nextpass)
112 nextpass = fs->fs_passno;
114 if (passno != fs->fs_passno)
117 if ((*docheck)(fs) == 0)
120 if (flags & CHECK_DEBUG)
121 printf("pass %d, name %s\n", passno, name);
123 if ((flags & CHECK_PREEN) == 0 || passno == 1 ||
124 (flags & DO_BACKGRD) != 0) {
126 if (flags & CHECK_PREEN)
131 sumstatus = (*checkit)(fs->fs_vfstype,
132 name, fs->fs_file, NULL, NULL);
139 (void) fprintf(stderr,
140 "BAD DISK NAME %s\n", fs->fs_spec);
144 addpart(fs->fs_vfstype, name, fs->fs_file);
147 if ((flags & CHECK_PREEN) == 0 || passno == 1 ||
148 (flags & DO_BACKGRD) != 0)
151 if (flags & CHECK_DEBUG) {
152 printf("Parallel start\n");
156 TAILQ_FOREACH(nextdisk, &diskh, d_entries) {
157 if ((ret = startdisk(nextdisk, checkit)) != 0)
161 if (flags & CHECK_DEBUG)
162 printf("Parallel wait\n");
163 while ((pid = wait(&status)) != -1) {
164 TAILQ_FOREACH(d, &diskh, d_entries)
169 warnx("Unknown pid %d\n", pid);
173 if (WIFEXITED(status))
174 retcode = WEXITSTATUS(status);
178 p = TAILQ_FIRST(&d->d_part);
180 if (flags & (CHECK_DEBUG|CHECK_VERBOSE))
181 (void) printf("done %s: %s (%s) = 0x%x\n",
182 p->p_type, p->p_devname, p->p_mntpt,
185 if (WIFSIGNALED(status)) {
186 (void) fprintf(stderr,
187 "%s: %s (%s): EXITED WITH SIGNAL %d\n",
188 p->p_type, p->p_devname, p->p_mntpt,
193 TAILQ_REMOVE(&d->d_part, p, p_entries);
196 TAILQ_INSERT_TAIL(&badh, p, p_entries);
197 sumstatus |= retcode;
206 if (TAILQ_EMPTY(&d->d_part)) {
207 TAILQ_REMOVE(&diskh, d, d_entries);
210 if ((ret = startdisk(d, checkit)) != 0)
214 if (flags & CHECK_DEBUG) {
215 printf("Parallel end\n");
220 if (!(flags & CHECK_PREEN))
224 p = TAILQ_FIRST(&badh);
228 (void) fprintf(stderr,
229 "THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
230 TAILQ_NEXT(p, p_entries) ? "S" : "",
231 "UNEXPECTED INCONSISTENCY:");
233 for (; p; p = TAILQ_NEXT(p, p_entries))
234 (void) fprintf(stderr,
235 "%s: %s (%s)%s", p->p_type, p->p_devname,
236 p->p_mntpt, TAILQ_NEXT(p, p_entries) ? ", " : "\n");
245 static struct diskentry *
246 finddisk(const char *name)
252 p = strrchr(name, '/');
257 for (; *p && !isdigit(*p); p++)
259 for (; *p && isdigit(*p); p++)
265 TAILQ_FOREACH(d, &diskh, d_entries)
266 if (strncmp(d->d_name, name, len) == 0 && d->d_name[len] == 0)
269 d = emalloc(sizeof(*d));
270 d->d_name = estrdup(name);
271 d->d_name[len] = '\0';
272 TAILQ_INIT(&d->d_part);
275 TAILQ_INSERT_TAIL(&diskh, d, d_entries);
288 TAILQ_FOREACH(d, &diskh, d_entries) {
289 (void) printf("disk %s: ", d->d_name);
290 TAILQ_FOREACH(p, &d->d_part, p_entries)
291 (void) printf("%s ", p->p_devname);
298 addpart(const char *type, const char *dev, const char *mntpt)
300 struct diskentry *d = finddisk(dev);
303 TAILQ_FOREACH(p, &d->d_part, p_entries)
304 if (strcmp(p->p_devname, dev) == 0) {
305 warnx("%s in fstab more than once!\n", dev);
309 p = emalloc(sizeof(*p));
310 p->p_devname = estrdup(dev);
311 p->p_mntpt = estrdup(mntpt);
312 p->p_type = estrdup(type);
314 TAILQ_INSERT_TAIL(&d->d_part, p, p_entries);
319 startdisk(struct diskentry *d, int (*checkit)(const char *, const char *,
320 const char *, const char *, pid_t *))
322 struct partentry *p = TAILQ_FIRST(&d->d_part);
325 while ((rv = (*checkit)(p->p_type, p->p_devname, p->p_mntpt,
326 NULL, &d->d_pid)) != 0 && nrun > 0)