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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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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18 * may be used to endorse or promote products derived from this software
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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 $
35 * $DragonFly: src/sbin/fsck/preen.c,v 1.2 2003/06/17 04:27:32 dillon Exp $
38 #include <sys/param.h>
42 #include <ufs/ufs/dinode.h>
52 struct part *next; /* forward link of partitions on disk */
53 char *name; /* device name */
54 char *fsname; /* mounted filesystem name */
55 long auxdata; /* auxillary data for application */
56 } *badlist, **badnext = &badlist;
59 char *name; /* disk base name */
60 struct disk *next; /* forward link for list of disks */
61 struct part *part; /* head of list of partitions on disk */
62 int pid; /* If != 0, pid of proc working on */
67 static void addpart __P((char *name, char *fsname, long auxdata));
68 static struct disk *finddisk __P((char *name));
69 static int startdisk __P((struct disk *dk,
70 int (*checkit)(char *, char *, long, int)));
73 checkfstab(preen, maxrun, docheck, chkit)
76 int (*docheck)(struct fstab *);
77 int (*chkit)(char *, char *, long, int);
79 register struct fstab *fsp;
80 register struct disk *dk, *nextdisk;
81 register struct part *pt;
82 int ret, pid, retcode, passno, sumstatus, status;
87 for (passno = 1; passno <= 2; passno++) {
88 if (setfsent() == 0) {
89 fprintf(stderr, "Can't open checklist file: %s\n",
93 while ((fsp = getfsent()) != 0) {
94 if ((auxdata = (*docheck)(fsp)) == 0)
97 (passno == 1 && fsp->fs_passno == 1)) {
98 if ((name = blockcheck(fsp->fs_spec)) != 0) {
99 if ((sumstatus = (*chkit)(name,
100 fsp->fs_file, auxdata, 0)) != 0)
104 } else if (passno == 2 && fsp->fs_passno > 1) {
105 if ((name = blockcheck(fsp->fs_spec)) == NULL) {
106 fprintf(stderr, "BAD DISK NAME %s\n",
111 addpart(name, fsp->fs_file, auxdata);
123 for (passno = 0; passno < maxrun; ++passno) {
124 while ((ret = startdisk(nextdisk, chkit)) && nrun > 0)
128 nextdisk = nextdisk->next;
130 while ((pid = wait(&status)) != -1) {
131 for (dk = disks; dk; dk = dk->next)
135 printf("Unknown pid %d\n", pid);
138 if (WIFEXITED(status))
139 retcode = WEXITSTATUS(status);
142 if (WIFSIGNALED(status)) {
143 printf("%s (%s): EXITED WITH SIGNAL %d\n",
144 dk->part->name, dk->part->fsname,
149 sumstatus |= retcode;
151 badnext = &dk->part->next;
152 dk->part = dk->part->next;
155 dk->part = dk->part->next;
158 if (dk->part == NULL)
161 if (nextdisk == NULL) {
163 while ((ret = startdisk(dk, chkit)) &&
169 } else if (nrun < maxrun && nrun < ndisks) {
171 if ((nextdisk = nextdisk->next) == NULL)
173 if (nextdisk->part != NULL &&
177 while ((ret = startdisk(nextdisk, chkit)) &&
188 fprintf(stderr, "THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
189 badlist->next ? "S" : "", "UNEXPECTED INCONSISTENCY:");
190 for (pt = badlist; pt; pt = pt->next)
191 fprintf(stderr, "%s (%s)%s", pt->name, pt->fsname,
192 pt->next ? ", " : "\n");
203 register struct disk *dk, **dkp;
207 p = strrchr(name, '/');
208 p = p == NULL ? name : p + 1;
209 while (*p != '\0' && !isdigit((u_char)*p))
211 while (isdigit((u_char)*p))
213 len = (size_t)(p - name);
214 for (dk = disks, dkp = &disks; dk; dkp = &dk->next, dk = dk->next) {
215 if (strncmp(dk->name, name, len) == 0 &&
219 if ((*dkp = (struct disk *)malloc(sizeof(struct disk))) == NULL) {
220 fprintf(stderr, "out of memory");
224 if ((dk->name = malloc(len + 1)) == NULL) {
225 fprintf(stderr, "out of memory");
228 (void)strncpy(dk->name, name, len);
229 dk->name[len] = '\0';
238 addpart(name, fsname, auxdata)
242 struct disk *dk = finddisk(name);
243 register struct part *pt, **ppt = &dk->part;
245 for (pt = dk->part; pt; ppt = &pt->next, pt = pt->next)
246 if (strcmp(pt->name, name) == 0) {
247 printf("%s in fstab more than once!\n", name);
250 if ((*ppt = (struct part *)malloc(sizeof(struct part))) == NULL) {
251 fprintf(stderr, "out of memory");
255 if ((pt->name = malloc(strlen(name) + 1)) == NULL) {
256 fprintf(stderr, "out of memory");
259 (void)strcpy(pt->name, name);
260 if ((pt->fsname = malloc(strlen(fsname) + 1)) == NULL) {
261 fprintf(stderr, "out of memory");
264 (void)strcpy(pt->fsname, fsname);
266 pt->auxdata = auxdata;
270 startdisk(dk, checkit)
271 register struct disk *dk;
272 int (*checkit)(char *, char *, long, int);
274 register struct part *pt = dk->part;
282 exit((*checkit)(pt->name, pt->fsname, pt->auxdata, 1));
291 struct stat stslash, stblock, stchar;
293 struct fstab *fsinfo;
294 int retried = 0, len;
298 if (stat(newname, &stblock) < 0) {
299 printf("Can't stat %s: %s\n", newname, strerror(errno));
302 switch(stblock.st_mode & S_IFMT) {
310 len = strlen(origname) - 1;
311 if (len > 0 && origname[len] == '/')
312 /* remove trailing slash */
313 origname[len] = '\0';
314 if ((fsinfo = getfsfile(origname)) == NULL) {
315 printf("Can't resolve %s to character special device",
319 newname = fsinfo->fs_spec;
324 * Not a block or character device, just return name and
325 * let the user decide whether to use it.