2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
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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
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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.
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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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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * @(#)preen.c 8.5 (Berkeley) 4/28/95
34 * $FreeBSD: src/sbin/fsck/preen.c,v 1.16 1999/12/30 16:32:40 peter Exp $
37 #include <sys/param.h>
41 #include <vfs/ufs/dinode.h>
51 struct part *next; /* forward link of partitions on disk */
52 char *name; /* device name */
53 char *fsname; /* mounted filesystem name */
54 long auxdata; /* auxillary data for application */
55 } *badlist, **badnext = &badlist;
58 char *name; /* disk base name */
59 struct disk *next; /* forward link for list of disks */
60 struct part *part; /* head of list of partitions on disk */
61 int pid; /* If != 0, pid of proc working on */
66 static void addpart(char *name, char *fsname, long auxdata);
67 static struct disk *finddisk(char *name);
68 static int startdisk(struct disk *dk,
69 int (*checkit)(char *, char *, long, int));
72 checkfstab(int do_preen, int maxrun, int (*docheck)(struct fstab *),
73 int (*chkit)(char *, char *, long, int))
76 struct disk *dk, *nextdisk;
78 int ret, pid, retcode, passno, sumstatus, status;
83 for (passno = 1; passno <= 2; passno++) {
84 if (setfsent() == 0) {
85 fprintf(stderr, "Can't open checklist file: %s\n",
89 while ((fsp = getfsent()) != NULL) {
90 if ((auxdata = (*docheck)(fsp)) == 0)
93 (passno == 1 && fsp->fs_passno == 1)) {
94 if ((name = blockcheck(fsp->fs_spec)) != NULL) {
95 if ((sumstatus = (*chkit)(name,
96 fsp->fs_file, auxdata, 0)) != 0)
100 } else if (passno == 2 && fsp->fs_passno > 1) {
101 if ((name = blockcheck(fsp->fs_spec)) == NULL) {
102 fprintf(stderr, "BAD DISK NAME %s\n",
107 addpart(name, fsp->fs_file, auxdata);
119 for (passno = 0; passno < maxrun; ++passno) {
120 while ((ret = startdisk(nextdisk, chkit)) && nrun > 0)
124 nextdisk = nextdisk->next;
126 while ((pid = wait(&status)) != -1) {
127 for (dk = disks; dk; dk = dk->next)
131 printf("Unknown pid %d\n", pid);
134 if (WIFEXITED(status))
135 retcode = WEXITSTATUS(status);
138 if (WIFSIGNALED(status)) {
139 printf("%s (%s): EXITED WITH SIGNAL %d\n",
140 dk->part->name, dk->part->fsname,
145 sumstatus |= retcode;
147 badnext = &dk->part->next;
148 dk->part = dk->part->next;
151 dk->part = dk->part->next;
154 if (dk->part == NULL)
157 if (nextdisk == NULL) {
159 while ((ret = startdisk(dk, chkit)) &&
165 } else if (nrun < maxrun && nrun < ndisks) {
167 if ((nextdisk = nextdisk->next) == NULL)
169 if (nextdisk->part != NULL &&
173 while ((ret = startdisk(nextdisk, chkit)) &&
184 fprintf(stderr, "THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
185 badlist->next ? "S" : "", "UNEXPECTED INCONSISTENCY:");
186 for (pt = badlist; pt; pt = pt->next)
187 fprintf(stderr, "%s (%s)%s", pt->name, pt->fsname,
188 pt->next ? ", " : "\n");
198 struct disk *dk, **dkp;
202 p = strrchr(name, '/');
203 p = p == NULL ? name : p + 1;
204 while (*p != '\0' && !isdigit((u_char)*p))
206 while (isdigit((u_char)*p))
208 len = (size_t)(p - name);
209 for (dk = disks, dkp = &disks; dk; dkp = &dk->next, dk = dk->next) {
210 if (strncmp(dk->name, name, len) == 0 &&
214 if ((*dkp = (struct disk *)malloc(sizeof(struct disk))) == NULL) {
215 fprintf(stderr, "out of memory");
219 if ((dk->name = malloc(len + 1)) == NULL) {
220 fprintf(stderr, "out of memory");
223 strncpy(dk->name, name, len);
224 dk->name[len] = '\0';
233 addpart(char *name, char *fsname, long auxdata)
235 struct disk *dk = finddisk(name);
236 struct part *pt, **ppt = &dk->part;
238 for (pt = dk->part; pt; ppt = &pt->next, pt = pt->next)
239 if (strcmp(pt->name, name) == 0) {
240 printf("%s in fstab more than once!\n", name);
243 if ((*ppt = (struct part *)malloc(sizeof(struct part))) == NULL) {
244 fprintf(stderr, "out of memory");
248 if ((pt->name = malloc(strlen(name) + 1)) == NULL) {
249 fprintf(stderr, "out of memory");
252 strcpy(pt->name, name);
253 if ((pt->fsname = malloc(strlen(fsname) + 1)) == NULL) {
254 fprintf(stderr, "out of memory");
257 strcpy(pt->fsname, fsname);
259 pt->auxdata = auxdata;
263 startdisk(struct disk *dk, int (*checkit)(char *, char *, long ,int))
265 struct part *pt = dk->part;
273 exit((*checkit)(pt->name, pt->fsname, pt->auxdata, 1));
279 blockcheck(char *origname)
283 struct fstab *fsinfo;
284 int retried = 0, len;
288 if (stat(newname, &stblock) < 0) {
289 newname = getdevpath(newname, 0);
290 if (stat(newname, &stblock) < 0) {
291 printf("Can't stat %s: %s\n", newname, strerror(errno));
295 switch(stblock.st_mode & S_IFMT) {
305 len = strlen(origname) - 1;
306 if (len > 0 && origname[len] == '/')
307 /* remove trailing slash */
308 origname[len] = '\0';
309 if ((fsinfo = getfsfile(origname)) == NULL) {
310 printf("Can't resolve %s to character special device",
314 newname = fsinfo->fs_spec;
319 * Not a block or character device, just return name and
320 * let the user decide whether to use it.