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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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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29 * @(#)preen.c 8.5 (Berkeley) 4/28/95
30 * $FreeBSD: src/sbin/fsck/preen.c,v 1.16 1999/12/30 16:32:40 peter Exp $
33 #include <sys/param.h>
37 #include <vfs/ufs/dinode.h>
47 struct part *next; /* forward link of partitions on disk */
48 char *name; /* device name */
49 char *fsname; /* mounted filesystem name */
50 long auxdata; /* auxillary data for application */
51 } *badlist, **badnext = &badlist;
54 char *name; /* disk base name */
55 struct disk *next; /* forward link for list of disks */
56 struct part *part; /* head of list of partitions on disk */
57 int pid; /* If != 0, pid of proc working on */
62 static void addpart(char *name, char *fsname, long auxdata);
63 static struct disk *finddisk(char *name);
64 static int startdisk(struct disk *dk,
65 int (*checkit)(char *, char *, long, int));
68 checkfstab(int do_preen, int maxrun, int (*docheck)(struct fstab *),
69 int (*chkit)(char *, char *, long, int))
72 struct disk *dk, *nextdisk;
74 int ret, pid, retcode, passno, sumstatus, status;
79 for (passno = 1; passno <= 2; passno++) {
80 if (setfsent() == 0) {
81 fprintf(stderr, "Can't open checklist file: %s\n",
85 while ((fsp = getfsent()) != NULL) {
86 if ((auxdata = (*docheck)(fsp)) == 0)
89 (passno == 1 && fsp->fs_passno == 1)) {
90 if ((name = blockcheck(fsp->fs_spec)) != NULL) {
91 if ((sumstatus = (*chkit)(name,
92 fsp->fs_file, auxdata, 0)) != 0)
96 } else if (passno == 2 && fsp->fs_passno > 1) {
97 if ((name = blockcheck(fsp->fs_spec)) == NULL) {
98 fprintf(stderr, "BAD DISK NAME %s\n",
103 addpart(name, fsp->fs_file, auxdata);
115 for (passno = 0; passno < maxrun; ++passno) {
116 while ((ret = startdisk(nextdisk, chkit)) && nrun > 0)
120 nextdisk = nextdisk->next;
122 while ((pid = wait(&status)) != -1) {
123 for (dk = disks; dk; dk = dk->next)
127 printf("Unknown pid %d\n", pid);
130 if (WIFEXITED(status))
131 retcode = WEXITSTATUS(status);
134 if (WIFSIGNALED(status)) {
135 printf("%s (%s): EXITED WITH SIGNAL %d\n",
136 dk->part->name, dk->part->fsname,
141 sumstatus |= retcode;
143 badnext = &dk->part->next;
144 dk->part = dk->part->next;
147 dk->part = dk->part->next;
150 if (dk->part == NULL)
153 if (nextdisk == NULL) {
155 while ((ret = startdisk(dk, chkit)) &&
161 } else if (nrun < maxrun && nrun < ndisks) {
163 if ((nextdisk = nextdisk->next) == NULL)
165 if (nextdisk->part != NULL &&
169 while ((ret = startdisk(nextdisk, chkit)) &&
180 fprintf(stderr, "THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
181 badlist->next ? "S" : "", "UNEXPECTED INCONSISTENCY:");
182 for (pt = badlist; pt; pt = pt->next)
183 fprintf(stderr, "%s (%s)%s", pt->name, pt->fsname,
184 pt->next ? ", " : "\n");
194 struct disk *dk, **dkp;
198 p = strrchr(name, '/');
199 p = p == NULL ? name : p + 1;
200 while (*p != '\0' && !isdigit((u_char)*p))
202 while (isdigit((u_char)*p))
204 len = (size_t)(p - name);
205 for (dk = disks, dkp = &disks; dk; dkp = &dk->next, dk = dk->next) {
206 if (strncmp(dk->name, name, len) == 0 &&
210 if ((*dkp = (struct disk *)malloc(sizeof(struct disk))) == NULL) {
211 fprintf(stderr, "out of memory");
215 if ((dk->name = malloc(len + 1)) == NULL) {
216 fprintf(stderr, "out of memory");
219 strncpy(dk->name, name, len);
220 dk->name[len] = '\0';
229 addpart(char *name, char *fsname, long auxdata)
231 struct disk *dk = finddisk(name);
232 struct part *pt, **ppt = &dk->part;
234 for (pt = dk->part; pt; ppt = &pt->next, pt = pt->next)
235 if (strcmp(pt->name, name) == 0) {
236 printf("%s in fstab more than once!\n", name);
239 if ((*ppt = (struct part *)malloc(sizeof(struct part))) == NULL) {
240 fprintf(stderr, "out of memory");
244 if ((pt->name = malloc(strlen(name) + 1)) == NULL) {
245 fprintf(stderr, "out of memory");
248 strcpy(pt->name, name);
249 if ((pt->fsname = malloc(strlen(fsname) + 1)) == NULL) {
250 fprintf(stderr, "out of memory");
253 strcpy(pt->fsname, fsname);
255 pt->auxdata = auxdata;
259 startdisk(struct disk *dk, int (*checkit)(char *, char *, long ,int))
261 struct part *pt = dk->part;
269 exit((*checkit)(pt->name, pt->fsname, pt->auxdata, 1));
275 blockcheck(char *origname)
279 struct fstab *fsinfo;
280 int retried = 0, len;
284 if (stat(newname, &stblock) < 0) {
285 newname = getdevpath(newname, 0);
286 if (stat(newname, &stblock) < 0) {
287 printf("Can't stat %s: %s\n", newname, strerror(errno));
291 switch(stblock.st_mode & S_IFMT) {
301 len = strlen(origname) - 1;
302 if (len > 0 && origname[len] == '/')
303 /* remove trailing slash */
304 origname[len] = '\0';
305 if ((fsinfo = getfsfile(origname)) == NULL) {
306 printf("Can't resolve %s to character special device",
310 newname = fsinfo->fs_spec;
315 * Not a block or character device, just return name and
316 * let the user decide whether to use it.