2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static const char sccsid[] = "@(#)preen.c 8.5 (Berkeley) 4/28/95";
38 static const char rcsid[] =
42 #include <sys/param.h>
46 #include <ufs/ufs/dinode.h>
47 #include <ufs/ffs/fs.h>
57 struct part *next; /* forward link of partitions on disk */
58 char *name; /* device name */
59 char *fsname; /* mounted filesystem name */
60 long auxdata; /* auxiliary data for application */
61 } *badlist, **badnext = &badlist;
64 char *name; /* disk base name */
65 struct disk *next; /* forward link for list of disks */
66 struct part *part; /* head of list of partitions on disk */
67 int pid; /* If != 0, pid of proc working on */
72 static void addpart __P((char *name, char *fsname, long auxdata));
73 static struct disk *finddisk __P((char *name));
74 static int startdisk __P((struct disk *dk,
75 int (*checkit)(char *, char *, long, int)));
78 checkfstab(preen, maxrun, docheck, chkit)
81 int (*docheck)(struct fstab *);
82 int (*chkit)(char *, char *, long, int);
84 register struct fstab *fsp;
85 register struct disk *dk, *nextdisk;
86 register struct part *pt;
87 int ret, pid, retcode, passno, sumstatus, status;
92 for (passno = 1; passno <= 2; passno++) {
93 if (setfsent() == 0) {
94 fprintf(stderr, "Can't open checklist file: %s\n",
98 while ((fsp = getfsent()) != 0) {
99 if ((auxdata = (*docheck)(fsp)) == 0)
102 (passno == 1 && fsp->fs_passno == 1)) {
103 if ((name = blockcheck(fsp->fs_spec)) != 0) {
104 if ((sumstatus = (*chkit)(name,
105 fsp->fs_file, auxdata, 0)) != 0)
109 } else if (passno == 2 && fsp->fs_passno > 1) {
110 if ((name = blockcheck(fsp->fs_spec)) == NULL) {
111 fprintf(stderr, "BAD DISK NAME %s\n",
116 addpart(name, fsp->fs_file, auxdata);
128 for (passno = 0; passno < maxrun; ++passno) {
129 while ((ret = startdisk(nextdisk, chkit)) && nrun > 0)
133 nextdisk = nextdisk->next;
135 while ((pid = wait(&status)) != -1) {
136 for (dk = disks; dk; dk = dk->next)
140 printf("Unknown pid %d\n", pid);
143 if (WIFEXITED(status))
144 retcode = WEXITSTATUS(status);
147 if (WIFSIGNALED(status)) {
148 printf("%s (%s): EXITED WITH SIGNAL %d\n",
149 dk->part->name, dk->part->fsname,
154 sumstatus |= retcode;
156 badnext = &dk->part->next;
157 dk->part = dk->part->next;
160 dk->part = dk->part->next;
163 if (dk->part == NULL)
166 if (nextdisk == NULL) {
168 while ((ret = startdisk(dk, chkit)) &&
174 } else if (nrun < maxrun && nrun < ndisks) {
176 if ((nextdisk = nextdisk->next) == NULL)
178 if (nextdisk->part != NULL &&
182 while ((ret = startdisk(nextdisk, chkit)) &&
193 fprintf(stderr, "THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
194 badlist->next ? "S" : "", "UNEXPECTED INCONSISTENCY:");
195 for (pt = badlist; pt; pt = pt->next)
196 fprintf(stderr, "%s (%s)%s", pt->name, pt->fsname,
197 pt->next ? ", " : "\n");
208 register struct disk *dk, **dkp;
212 p = strrchr(name, '/');
213 p = p == NULL ? name : p + 1;
214 while (*p != '\0' && !isdigit((u_char)*p))
216 while (isdigit((u_char)*p))
218 len = (size_t)(p - name);
219 for (dk = disks, dkp = &disks; dk; dkp = &dk->next, dk = dk->next) {
220 if (strncmp(dk->name, name, len) == 0 &&
224 if ((*dkp = (struct disk *)malloc(sizeof(struct disk))) == NULL) {
225 fprintf(stderr, "out of memory");
229 if ((dk->name = malloc(len + 1)) == NULL) {
230 fprintf(stderr, "out of memory");
233 (void)strncpy(dk->name, name, len);
234 dk->name[len] = '\0';
243 addpart(name, fsname, auxdata)
247 struct disk *dk = finddisk(name);
248 register struct part *pt, **ppt = &dk->part;
250 for (pt = dk->part; pt; ppt = &pt->next, pt = pt->next)
251 if (strcmp(pt->name, name) == 0) {
252 printf("%s in fstab more than once!\n", name);
255 if ((*ppt = (struct part *)malloc(sizeof(struct part))) == NULL) {
256 fprintf(stderr, "out of memory");
260 if ((pt->name = malloc(strlen(name) + 1)) == NULL) {
261 fprintf(stderr, "out of memory");
264 (void)strcpy(pt->name, name);
265 if ((pt->fsname = malloc(strlen(fsname) + 1)) == NULL) {
266 fprintf(stderr, "out of memory");
269 (void)strcpy(pt->fsname, fsname);
271 pt->auxdata = auxdata;
275 startdisk(dk, checkit)
276 register struct disk *dk;
277 int (*checkit)(char *, char *, long, int);
279 register struct part *pt = dk->part;
287 exit((*checkit)(pt->name, pt->fsname, pt->auxdata, 1));