* parallel execution.
*
* Written by Theodore Ts'o, <tytso@mit.edu>
- *
- * Usage: fsck [-AVRNTM] [-s] [-t fstype] [fs-options] device
- *
+ *
* Miquel van Smoorenburg (miquels@drinkel.ow.org) 20-Oct-1994:
* o Changed -t fstype to behave like with mount when -A (all file
* systems) or -M (like mount) is specified.
* can be added without changing this front-end.
* o -R flag skip root file system.
*
- * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
- * redistributed under the terms of the GNU Public License.
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ * 2001, 2002, 2003, 2004, 2005 by Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
*/
+#define _XOPEN_SOURCE 600 /* for inclusion of sa_handler in Solaris */
+
+#include "config.h"
#include <sys/types.h>
#include <sys/wait.h>
-#include <sys/signal.h>
#include <sys/stat.h>
#include <limits.h>
#include <stdio.h>
+#include <ctype.h>
#include <string.h>
+#include <time.h>
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if HAVE_ERRNO_H
#include <errno.h>
#endif
-#if HAVE_MNTENT_H
-#include <mntent.h>
+#if HAVE_PATHS_H
+#include <paths.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#if HAVE_ERRNO_H
#include <errno.h>
#endif
+#if HAVE_MALLOC_H
#include <malloc.h>
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
+#endif
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
#endif
#include "../version.h"
+#include "support/nls-enable.h"
#include "fsck.h"
+#include "blkid/blkid.h"
+
+#ifndef _PATH_MNTTAB
+#define _PATH_MNTTAB "/etc/fstab"
+#endif
static const char *ignored_types[] = {
"ignore",
"proc",
"sw",
"swap",
+ "tmpfs",
+ "devpts",
NULL
};
static const char *really_wanted[] = {
"minix",
"ext2",
+ "ext3",
+ "ext4",
+ "ext4dev",
+ "jfs",
+ "reiserfs",
"xiafs",
+ "xfs",
NULL
};
-#ifdef DEV_DSK_DEVICES
-static const char *base_devices[] = {
- "/dev/dsk/hda",
- "/dev/dsk/hdb",
- "/dev/dsk/hdc",
- "/dev/dsk/hdd",
- "/dev/dsk/hd1a",
- "/dev/dsk/hd1b",
- "/dev/dsk/hd1c",
- "/dev/dsk/hd1d",
- "/dev/dsk/sda",
- "/dev/dsk/sdb",
- "/dev/dsk/sdc",
- "/dev/dsk/sdd",
- "/dev/dsk/sde",
- "/dev/dsk/sdf",
- "/dev/dsk/sdg",
- NULL
-};
-#else
-static const char *base_devices[] = {
- "/dev/hda",
- "/dev/hdb",
- "/dev/hdc",
- "/dev/hdd",
- "/dev/hd1a",
- "/dev/hd1b",
- "/dev/hd1c",
- "/dev/hd1d",
- "/dev/sda",
- "/dev/sdb",
- "/dev/sdc",
- "/dev/sdd",
- "/dev/sde",
- "/dev/sdf",
- "/dev/sdg",
- NULL
-};
-#endif
+#define BASE_MD "/dev/md"
/*
* Global variables for options
*/
-char *devices[MAX_DEVICES];
-char *args[MAX_ARGS];
-int num_devices, num_args;
-
-int verbose = 0;
-int doall = 0;
-int noexecute = 0;
-int serialize = 0;
-int skip_root = 0;
-int like_mount = 0;
-int notitle = 0;
-int parallel_root = 0;
-char *progname;
-char *fstype = NULL;
-struct fs_info *filesys_info;
-struct fsck_instance *instance_list;
-const char *fsck_prefix_path = "/sbin:/sbin/fs.d:/sbin/fs:/etc/fs:/etc";
-char *fsck_path = 0;
-static int ignore(struct fs_info *);
-
-#ifdef HAVE_STRDUP
-#ifdef _POSIX_SOURCE
-extern char *strdup(const char *s);
-#endif
-#else
-static char *strdup(const char *s)
+static char *devices[MAX_DEVICES];
+static char *args[MAX_ARGS];
+static int num_devices, num_args;
+
+static int verbose = 0;
+static int doall = 0;
+static int noexecute = 0;
+static int serialize = 0;
+static int skip_root = 0;
+static int ignore_mounted = 0;
+static int notitle = 0;
+static int parallel_root = 0;
+static int progress = 0;
+static int progress_fd = 0;
+static int force_all_parallel = 0;
+static int num_running = 0;
+static int max_running = 0;
+static volatile int cancel_requested = 0;
+static int kill_sent = 0;
+static char *progname;
+static char *fstype = NULL;
+static struct fs_info *filesys_info = NULL, *filesys_last = NULL;
+static struct fsck_instance *instance_list;
+static const char *fsck_prefix_path = "/sbin:/sbin/fs.d:/sbin/fs:/etc/fs:/etc";
+static char *fsck_path = 0;
+static blkid_cache cache = NULL;
+
+static char *string_copy(const char *s)
{
char *ret;
+ if (!s)
+ return 0;
ret = malloc(strlen(s)+1);
if (ret)
strcpy(ret, s);
return ret;
}
-#endif
+
+static int string_to_int(const char *s)
+{
+ long l;
+ char *p;
+
+ l = strtol(s, &p, 0);
+ if (*p || l == LONG_MIN || l == LONG_MAX || l < 0 || l > INT_MAX)
+ return -1;
+ else
+ return (int) l;
+}
+
+static int ignore(struct fs_info *);
+
+static char *skip_over_blank(char *cp)
+{
+ while (*cp && isspace(*cp))
+ cp++;
+ return cp;
+}
+
+static char *skip_over_word(char *cp)
+{
+ while (*cp && !isspace(*cp))
+ cp++;
+ return cp;
+}
+
+static void strip_line(char *line)
+{
+ char *p;
+
+ while (*line) {
+ p = line + strlen(line) - 1;
+ if ((*p == '\n') || (*p == '\r'))
+ *p = 0;
+ else
+ break;
+ }
+}
+
+static char *parse_word(char **buf)
+{
+ char *word, *next;
+
+ word = *buf;
+ if (*word == 0)
+ return 0;
+
+ word = skip_over_blank(word);
+ next = skip_over_word(word);
+ if (*next)
+ *next++ = 0;
+ *buf = next;
+ return word;
+}
+
+static void parse_escape(char *word)
+{
+ char *p, *q;
+ int ac, i;
+
+ if (!word)
+ return;
+
+ for (p = word, q = word; *p; p++, q++) {
+ *q = *p;
+ if (*p != '\\')
+ continue;
+ if (*++p == 0)
+ break;
+ if (*p == 't') {
+ *q = '\t';
+ continue;
+ }
+ if (*p == 'n') {
+ *q = '\n';
+ continue;
+ }
+ if (!isdigit(*p)) {
+ *q = *p;
+ continue;
+ }
+ ac = 0;
+ for (i = 0; i < 3; i++, p++) {
+ if (!isdigit(*p))
+ break;
+ ac = (ac * 8) + (*p - '0');
+ }
+ *q = ac;
+ p--;
+ }
+ *q = 0;
+}
static void free_instance(struct fsck_instance *i)
{
- if (i->prog)
- free(i->prog);
- if (i->device)
- free(i->device);
+ free(i->prog);
+ free(i->device);
+ free(i->base_device);
free(i);
return;
}
+static struct fs_info *create_fs_device(const char *device, const char *mntpnt,
+ const char *type, const char *opts,
+ int freq, int passno)
+{
+ struct fs_info *fs;
+
+ if (!(fs = malloc(sizeof(struct fs_info))))
+ return NULL;
+
+ fs->device = string_copy(device);
+ fs->mountpt = string_copy(mntpnt);
+ fs->type = string_copy(type);
+ fs->opts = string_copy(opts ? opts : "");
+ fs->freq = freq;
+ fs->passno = passno;
+ fs->flags = 0;
+ fs->next = NULL;
+
+ if (!filesys_info)
+ filesys_info = fs;
+ else
+ filesys_last->next = fs;
+ filesys_last = fs;
+
+ return fs;
+}
+
+
+
+static int parse_fstab_line(char *line, struct fs_info **ret_fs)
+{
+ char *dev, *device, *mntpnt, *type, *opts, *freq, *passno, *cp;
+ struct fs_info *fs;
+
+ *ret_fs = 0;
+ strip_line(line);
+ cp = line;
+
+ device = parse_word(&cp);
+ if (!device || *device == '#')
+ return 0; /* Ignore blank lines and comments */
+ mntpnt = parse_word(&cp);
+ type = parse_word(&cp);
+ opts = parse_word(&cp);
+ freq = parse_word(&cp);
+ passno = parse_word(&cp);
+
+ if (!mntpnt || !type)
+ return -1;
+
+ parse_escape(device);
+ parse_escape(mntpnt);
+ parse_escape(type);
+ parse_escape(opts);
+ parse_escape(freq);
+ parse_escape(passno);
+
+ dev = blkid_get_devname(cache, device, NULL);
+ if (dev)
+ device = dev;
+
+ if (strchr(type, ','))
+ type = 0;
+
+ fs = create_fs_device(device, mntpnt, type ? type : "auto", opts,
+ freq ? atoi(freq) : -1,
+ passno ? atoi(passno) : -1);
+ free(dev);
+
+ if (!fs)
+ return -1;
+ *ret_fs = fs;
+ return 0;
+}
+
+static void interpret_type(struct fs_info *fs)
+{
+ char *t;
+
+ if (strcmp(fs->type, "auto") != 0)
+ return;
+ t = blkid_get_tag_value(cache, "TYPE", fs->device);
+ if (t) {
+ free(fs->type);
+ fs->type = t;
+ }
+}
+
/*
* Load the filesystem database from /etc/fstab
*/
-static void load_fs_info(NOARGS)
+static void load_fs_info(const char *filename)
{
-#if HAVE_MNTENT_H
- FILE *mntfile;
- struct mntent *mp;
- struct fs_info *fs;
- struct fs_info *fs_last = NULL;
+ FILE *f;
+ char buf[1024];
+ int lineno = 0;
int old_fstab = 1;
+ struct fs_info *fs;
- filesys_info = NULL;
-
- /* Open the mount table. */
- if ((mntfile = setmntent(MNTTAB, "r")) == NULL) {
- perror(MNTTAB);
- exit(EXIT_ERROR);
+ if ((f = fopen(filename, "r")) == NULL) {
+ fprintf(stderr, _("WARNING: couldn't open %s: %s\n"),
+ filename, strerror(errno));
+ return;
}
-
- while ((mp = getmntent(mntfile)) != NULL) {
- fs = malloc(sizeof(struct fs_info));
- memset(fs, 0, sizeof(struct fs_info));
- fs->device = strdup(mp->mnt_fsname);
- fs->mountpt = strdup(mp->mnt_dir);
- fs->type = strdup(mp->mnt_type);
- fs->opts = strdup(mp->mnt_opts);
- fs->freq = mp->mnt_freq;
- fs->passno = mp->mnt_passno;
- fs->next = NULL;
- if (!filesys_info)
- filesys_info = fs;
+ while (!feof(f)) {
+ lineno++;
+ if (!fgets(buf, sizeof(buf), f))
+ break;
+ buf[sizeof(buf)-1] = 0;
+ if (parse_fstab_line(buf, &fs) < 0) {
+ fprintf(stderr, _("WARNING: bad format "
+ "on line %d of %s\n"), lineno, filename);
+ continue;
+ }
+ if (!fs)
+ continue;
+ if (fs->passno < 0)
+ fs->passno = 0;
else
- fs_last->next = fs;
- fs_last = fs;
- if (fs->passno)
old_fstab = 0;
}
- (void) endmntent(mntfile);
+ fclose(f);
+
+ if (old_fstab && filesys_info) {
+ fputs("\007\007\007", stderr);
+ fputs(_(
+ "WARNING: Your /etc/fstab does not contain the fsck passno\n"
+ " field. I will kludge around things for you, but you\n"
+ " should fix your /etc/fstab file as soon as you can.\n\n"), stderr);
- if (old_fstab) {
- fprintf(stderr, "\007\007\007"
- "WARNING: Your /etc/fstab does not contain the fsck passno\n");
- fprintf(stderr,
- " field. I will kludge around things for you, but you\n");
- fprintf(stderr,
- " should fix your /etc/fstab file as soon as you can.\n\n");
-
for (fs = filesys_info; fs; fs = fs->next) {
fs->passno = 1;
}
}
-#else
- filesys_info = NULL;
-#endif /* HAVE_MNTENT_H */
}
-
+
/* Lookup filesys in /etc/fstab and return the corresponding entry. */
static struct fs_info *lookup(char *filesys)
{
for (fs = filesys_info; fs; fs = fs->next) {
if (!strcmp(filesys, fs->device) ||
- !strcmp(filesys, fs->mountpt))
+ (fs->mountpt && !strcmp(filesys, fs->mountpt)))
break;
}
char *s;
const char *tpl;
static char prog[256];
- char *p = strdup(fsck_path);
+ char *p = string_copy(fsck_path);
struct stat st;
/* Are we looking for a program or just a type? */
tpl = (strncmp(type, "fsck.", 5) ? "%s/fsck.%s" : "%s/%s");
for(s = strtok(p, ":"); s; s = strtok(NULL, ":")) {
- sprintf(prog, tpl, s, type);
- if (stat(prog, &st) == 0) break;
+ int len = snprintf(prog, sizeof(prog), tpl, s, type);
+
+ if ((len < 0) || (len >= (int) sizeof(prog)))
+ continue;
+ if (stat(prog, &st) == 0)
+ break;
}
free(p);
return(s ? prog : NULL);
}
+static int progress_active(NOARGS)
+{
+ struct fsck_instance *inst;
+
+ for (inst = instance_list; inst; inst = inst->next) {
+ if (inst->flags & FLAG_DONE)
+ continue;
+ if (inst->flags & FLAG_PROGRESS)
+ return 1;
+ }
+ return 0;
+}
+
/*
* Execute a particular fsck program, and link it into the list of
* child processes we are waiting for.
*/
-static int execute(char *prog, char *device)
+static int execute(const char *type, const char *device, const char *mntpt,
+ int interactive)
{
- char *s, *argv[80];
- int argc, i;
- struct fsck_instance *inst;
+ char *s, *argv[80], prog[256];
+ int argc, i, len;
+ struct fsck_instance *inst, *p;
pid_t pid;
- argv[0] = strdup(prog);
+ len = snprintf(prog, sizeof(prog), "fsck.%s", type);
+ if ((len < 0) || (len >= (int) sizeof(prog)))
+ return EINVAL;
+
+ inst = malloc(sizeof(struct fsck_instance));
+ if (!inst)
+ return ENOMEM;
+ memset(inst, 0, sizeof(struct fsck_instance));
+
+ argv[0] = string_copy(prog);
argc = 1;
-
+
for (i=0; i <num_args; i++)
- argv[argc++] = strdup(args[i]);
+ argv[argc++] = string_copy(args[i]);
+
+ if (progress) {
+ if ((strcmp(type, "ext2") == 0) ||
+ (strcmp(type, "ext3") == 0) ||
+ (strcmp(type, "ext4") == 0) ||
+ (strcmp(type, "ext4dev") == 0)) {
+ char tmp[80];
+
+ tmp[0] = 0;
+ if (!progress_active()) {
+ snprintf(tmp, 80, "-C%d", progress_fd);
+ inst->flags |= FLAG_PROGRESS;
+ } else if (progress_fd)
+ snprintf(tmp, 80, "-C%d", progress_fd * -1);
+ if (tmp[0])
+ argv[argc++] = string_copy(tmp);
+ }
+ }
- argv[argc++] = strdup(device);
+ argv[argc++] = string_copy(device);
argv[argc] = 0;
s = find_fsck(prog);
if (s == NULL) {
- fprintf(stderr, "fsck: %s: not found\n", prog);
+ fprintf(stderr, _("fsck: %s: not found\n"), prog);
+ free(inst);
return ENOENT;
}
if (verbose || noexecute) {
- printf("[%s] ", s);
+ printf("[%s (%d) -- %s] ", s, num_running,
+ mntpt ? mntpt : device);
for (i=0; i < argc; i++)
printf("%s ", argv[i]);
printf("\n");
}
- if (noexecute)
- return 0;
-
+
/* Fork and execute the correct program. */
- if ((pid = fork()) < 0) {
+ if (noexecute)
+ pid = -1;
+ else if ((pid = fork()) < 0) {
perror("fork");
+ free(inst);
return errno;
} else if (pid == 0) {
+ if (!interactive)
+ close(0);
(void) execv(s, argv);
perror(argv[0]);
+ free(inst);
exit(EXIT_ERROR);
}
- inst = malloc(sizeof(struct fsck_instance));
- if (!inst)
- return ENOMEM;
- memset(inst, 0, sizeof(struct fsck_instance));
+
+ for (i=0; i < argc; i++)
+ free(argv[i]);
+
inst->pid = pid;
- inst->prog = strdup(prog);
- inst->device = strdup(device);
- inst->next = instance_list;
- instance_list = inst;
-
+ inst->prog = string_copy(prog);
+ inst->type = string_copy(type);
+ inst->device = string_copy(device);
+ inst->base_device = base_device(device);
+ inst->start_time = time(0);
+ inst->next = NULL;
+
+ /*
+ * Find the end of the list, so we add the instance on at the end.
+ */
+ for (p = instance_list; p && p->next; p = p->next);
+
+ if (p)
+ p->next = inst;
+ else
+ instance_list = inst;
+
return 0;
}
/*
+ * Send a signal to all outstanding fsck child processes
+ */
+static int kill_all(int signum)
+{
+ struct fsck_instance *inst;
+ int n = 0;
+
+ for (inst = instance_list; inst; inst = inst->next) {
+ if (inst->flags & FLAG_DONE)
+ continue;
+ kill(inst->pid, signum);
+ n++;
+ }
+ return n;
+}
+
+/*
* Wait for one child process to exit; when it does, unlink it from
* the list of executing child processes, and return it.
*/
-static struct fsck_instance *wait_one(NOARGS)
+static struct fsck_instance *wait_one(int flags)
{
int status;
int sig;
- struct fsck_instance *inst, *prev;
+ struct fsck_instance *inst, *inst2, *prev;
pid_t pid;
if (!instance_list)
return NULL;
-retry:
- pid = wait(&status);
- if (pid < 0) {
- if ((errno == EINTR) || (errno == EAGAIN))
- goto retry;
- if (errno == ECHILD) {
- fprintf(stderr,
- "%s: wait: No more child process?!?\n",
- progname);
- return NULL;
+ if (noexecute) {
+ inst = instance_list;
+ prev = 0;
+#ifdef RANDOM_DEBUG
+ while (inst->next && (random() & 1)) {
+ prev = inst;
+ inst = inst->next;
}
- perror("wait");
- goto retry;
- }
- for (prev = 0, inst = instance_list;
- inst;
- prev = inst, inst = inst->next) {
- if (inst->pid == pid)
- break;
- }
- if (!inst) {
- printf("Unexpected child process %d, status = 0x%x\n",
- pid, status);
- goto retry;
+#endif
+ inst->exit_status = 0;
+ goto ret_inst;
}
- if (WIFEXITED(status))
+
+ /*
+ * gcc -Wall fails saving throw against stupidity
+ * (inst and prev are thought to be uninitialized variables)
+ */
+ inst = prev = NULL;
+
+ do {
+ pid = waitpid(-1, &status, flags);
+ if (cancel_requested && !kill_sent) {
+ kill_all(SIGTERM);
+ kill_sent++;
+ }
+ if ((pid == 0) && (flags & WNOHANG))
+ return NULL;
+ if (pid < 0) {
+ if ((errno == EINTR) || (errno == EAGAIN))
+ continue;
+ if (errno == ECHILD) {
+ fprintf(stderr,
+ _("%s: wait: No more child process?!?\n"),
+ progname);
+ return NULL;
+ }
+ perror("wait");
+ continue;
+ }
+ for (prev = 0, inst = instance_list;
+ inst;
+ prev = inst, inst = inst->next) {
+ if (inst->pid == pid)
+ break;
+ }
+ } while (!inst);
+
+ if (WIFEXITED(status))
status = WEXITSTATUS(status);
else if (WIFSIGNALED(status)) {
sig = WTERMSIG(status);
if (sig == SIGINT) {
status = EXIT_UNCORRECTED;
} else {
- printf("Warning... %s for device %s exited "
- "with signal %d.\n",
+ printf(_("Warning... %s for device %s exited "
+ "with signal %d.\n"),
inst->prog, inst->device, sig);
status = EXIT_ERROR;
}
} else {
- printf("%s %s: status is %x, should never happen.\n",
+ printf(_("%s %s: status is %x, should never happen.\n"),
inst->prog, inst->device, status);
status = EXIT_ERROR;
}
inst->exit_status = status;
+ inst->flags |= FLAG_DONE;
+ if (progress && (inst->flags & FLAG_PROGRESS) &&
+ !progress_active()) {
+ for (inst2 = instance_list; inst2; inst2 = inst2->next) {
+ if (inst2->flags & FLAG_DONE)
+ continue;
+ if (strcmp(inst2->type, "ext2") &&
+ strcmp(inst2->type, "ext3") &&
+ strcmp(inst2->type, "ext4") &&
+ strcmp(inst2->type, "ext4dev"))
+ continue;
+ /*
+ * If we've just started the fsck, wait a tiny
+ * bit before sending the kill, to give it
+ * time to set up the signal handler
+ */
+ if (inst2->start_time < time(0)+2) {
+ if (fork() == 0) {
+ sleep(1);
+ kill(inst2->pid, SIGUSR1);
+ exit(0);
+ }
+ } else
+ kill(inst2->pid, SIGUSR1);
+ inst2->flags |= FLAG_PROGRESS;
+ break;
+ }
+ }
+ret_inst:
if (prev)
prev->next = inst->next;
else
instance_list = inst->next;
+ if (verbose > 1)
+ printf(_("Finished with %s (exit status %d)\n"),
+ inst->device, inst->exit_status);
+ num_running--;
return inst;
}
+#define FLAG_WAIT_ALL 0
+#define FLAG_WAIT_ATLEAST_ONE 1
/*
* Wait until all executing child processes have exited; return the
* logical OR of all of their exit code values.
*/
-static int wait_all(NOARGS)
+static int wait_many(int flags)
{
struct fsck_instance *inst;
int global_status = 0;
+ int wait_flags = 0;
- while (instance_list) {
- inst = wait_one();
- if (!inst)
- break;
+ while ((inst = wait_one(wait_flags))) {
global_status |= inst->exit_status;
free_instance(inst);
+#ifdef RANDOM_DEBUG
+ if (noexecute && (flags & WNOHANG) && !(random() % 3))
+ break;
+#endif
+ if (flags & FLAG_WAIT_ATLEAST_ONE)
+ wait_flags = WNOHANG;
}
return global_status;
}
/*
* Run the fsck program on a particular device
- *
+ *
* If the type is specified using -t, and it isn't prefixed with "no"
* (as in "noext2") and only one filesystem type is specified, then
* use that type regardless of what is specified in /etc/fstab.
- *
+ *
* If the type isn't specified by the user, then use either the type
* specified in /etc/fstab, or DEFAULT_FSTYPE.
*/
-static void fsck_device(char *device)
+static void fsck_device(struct fs_info *fs, int interactive)
{
- const char *type = 0;
- struct fs_info *fsent;
+ const char *type;
int retval;
- char prog[80];
- if (fstype && strncmp(fstype, "no", 2) && !strchr(fstype, ','))
- type = fstype;
+ interpret_type(fs);
- if ((fsent = lookup(device))) {
- device = fsent->device;
- if (!type)
- type = fsent->type;
- }
- if (!type)
+ if (strcmp(fs->type, "auto") != 0)
+ type = fs->type;
+ else if (fstype && strncmp(fstype, "no", 2) &&
+ strncmp(fstype, "opts=", 5) && strncmp(fstype, "loop", 4) &&
+ !strchr(fstype, ','))
+ type = fstype;
+ else
type = DEFAULT_FSTYPE;
- sprintf(prog, "fsck.%s", type);
- retval = execute(prog, device);
+ num_running++;
+ retval = execute(type, fs->device, fs->mountpt, interactive);
if (retval) {
- fprintf(stderr, "%s: Error %d while executing %s for %s\n",
- progname, retval, prog, device);
+ fprintf(stderr, _("%s: Error %d while executing fsck.%s "
+ "for %s\n"), progname, retval, type, fs->device);
+ num_running--;
}
}
-/* See if filesystem type matches the list. */
-static int fs_match(char *type, char *fs_type)
+
+/*
+ * Deal with the fsck -t argument.
+ */
+static struct fs_type_compile {
+ char **list;
+ int *type;
+ int negate;
+} fs_type_compiled;
+
+#define FS_TYPE_NORMAL 0
+#define FS_TYPE_OPT 1
+#define FS_TYPE_NEGOPT 2
+
+static const char *fs_type_syntax_error =
+N_("Either all or none of the filesystem types passed to -t must be prefixed\n"
+ "with 'no' or '!'.\n");
+
+static void compile_fs_type(char *fs_type, struct fs_type_compile *cmp)
{
- int ret = 0, negate = 0;
- char list[128];
- char *s;
+ char *cp, *list, *s;
+ int num = 2;
+ int negate, first_negate = 1;
+
+ if (fs_type) {
+ for (cp=fs_type; *cp; cp++) {
+ if (*cp == ',')
+ num++;
+ }
+ }
+
+ cmp->list = malloc(num * sizeof(char *));
+ cmp->type = malloc(num * sizeof(int));
+ if (!cmp->list || !cmp->type) {
+ fputs(_("Couldn't allocate memory for filesystem types\n"),
+ stderr);
+ exit(EXIT_ERROR);
+ }
+ memset(cmp->list, 0, num * sizeof(char *));
+ memset(cmp->type, 0, num * sizeof(int));
+ cmp->negate = 0;
+
+ if (!fs_type)
+ return;
+
+ list = string_copy(fs_type);
+ num = 0;
+ s = strtok(list, ",");
+ while(s) {
+ negate = 0;
+ if (strncmp(s, "no", 2) == 0) {
+ s += 2;
+ negate = 1;
+ } else if (*s == '!') {
+ s++;
+ negate = 1;
+ }
+ if (strcmp(s, "loop") == 0)
+ /* loop is really short-hand for opts=loop */
+ goto loop_special_case;
+ else if (strncmp(s, "opts=", 5) == 0) {
+ s += 5;
+ loop_special_case:
+ cmp->type[num] = negate ? FS_TYPE_NEGOPT : FS_TYPE_OPT;
+ } else {
+ if (first_negate) {
+ cmp->negate = negate;
+ first_negate = 0;
+ }
+ if ((negate && !cmp->negate) ||
+ (!negate && cmp->negate)) {
+ fputs(_(fs_type_syntax_error), stderr);
+ exit(EXIT_USAGE);
+ }
+ }
+#if 0
+ printf("Adding %s to list (type %d).\n", s, cmp->type[num]);
+#endif
+ cmp->list[num++] = string_copy(s);
+ s = strtok(NULL, ",");
+ }
+ free(list);
+}
- if (!fs_type) return(1);
+/*
+ * This function returns true if a particular option appears in a
+ * comma-delimited options list
+ */
+static int opt_in_list(const char *opt, char *optlist)
+{
+ char *list, *s;
- if (strncmp(fs_type, "no", 2) == 0) {
- fs_type += 2;
- negate = 1;
- }
- strcpy(list, fs_type);
- s = strtok(list, ",");
- while(s) {
- if (strcmp(s, type) == 0) {
- ret = 1;
- break;
- }
- s = strtok(NULL, ",");
- }
- return(negate ? !ret : ret);
+ if (!optlist)
+ return 0;
+ list = string_copy(optlist);
+
+ s = strtok(list, ",");
+ while(s) {
+ if (strcmp(s, opt) == 0) {
+ free(list);
+ return 1;
+ }
+ s = strtok(NULL, ",");
+ }
+ free(list);
+ return 0;
}
+/* See if the filesystem matches the criteria given by the -t option */
+static int fs_match(struct fs_info *fs, struct fs_type_compile *cmp)
+{
+ int n, ret = 0, checked_type = 0;
+ char *cp;
+
+ if (cmp->list == 0 || cmp->list[0] == 0)
+ return 1;
+
+ for (n=0; (cp = cmp->list[n]); n++) {
+ switch (cmp->type[n]) {
+ case FS_TYPE_NORMAL:
+ checked_type++;
+ if (strcmp(cp, fs->type) == 0) {
+ ret = 1;
+ }
+ break;
+ case FS_TYPE_NEGOPT:
+ if (opt_in_list(cp, fs->opts))
+ return 0;
+ break;
+ case FS_TYPE_OPT:
+ if (!opt_in_list(cp, fs->opts))
+ return 0;
+ break;
+ }
+ }
+ if (checked_type == 0)
+ return 1;
+ return (cmp->negate ? !ret : ret);
+}
/* Check if we should ignore this filesystem. */
static int ignore(struct fs_info *fs)
{
- const char *cp;
const char **ip;
int wanted = 0;
return 1;
/*
+ * If this is a bind mount, ignore it.
+ */
+ if (opt_in_list("bind", fs->opts)) {
+ fprintf(stderr,
+ _("%s: skipping bad line in /etc/fstab: bind mount with nonzero fsck pass number\n"),
+ fs->mountpt);
+ return 1;
+ }
+
+ interpret_type(fs);
+
+ /*
* If a specific fstype is specified, and it doesn't match,
* ignore it.
*/
- if (!fs_match(fs->type, fstype)) return 1;
-
- /* Noauto never matches. */
- for (cp = strtok(fs->opts, ","); cp != NULL; cp = strtok(NULL, ",")) {
- if (!strcmp(cp, "noauto"))
- return 1;
- }
+ if (!fs_match(fs, &fs_type_compiled)) return 1;
/* Are we ignoring this type? */
for(ip = ignored_types; *ip; ip++)
- if (strcmp(fs->type, *ip) == 0) return(1);
+ if (strcmp(fs->type, *ip) == 0) return 1;
/* Do we really really want to check this fs? */
for(ip = really_wanted; *ip; ip++)
/* See if the <fsck.fs> program is available. */
if (find_fsck(fs->type) == NULL) {
if (wanted)
- fprintf(stderr, "fsck: cannot check %s: fsck.%s not found\n",
+ fprintf(stderr, _("fsck: cannot check %s: fsck.%s not found\n"),
fs->device, fs->type);
- return(1);
+ return 1;
}
/* We can and want to check this file system type. */
}
/*
- * Return the "base device" given a particular device; this is used to
- * assure that we only fsck one partition on a particular drive at any
- * one time. Otherwise, the disk heads will be seeking all over the
- * place.
- */
-static const char *base_device(char *device)
-{
- const char **base;
-
- for (base = base_devices; *base; base++) {
- if (!strncmp(*base, device, strlen(*base)))
- return *base;
- }
- return device;
-}
-
-/*
* Returns TRUE if a partition on the same disk is already being
* checked.
*/
static int device_already_active(char *device)
{
struct fsck_instance *inst;
- const char *base;
+ char *base;
- base = base_device(device);
+ if (force_all_parallel)
+ return 0;
+
+#ifdef BASE_MD
+ /* Don't check a soft raid disk with any other disk */
+ if (instance_list &&
+ (!strncmp(instance_list->device, BASE_MD, sizeof(BASE_MD)-1) ||
+ !strncmp(device, BASE_MD, sizeof(BASE_MD)-1)))
+ return 1;
+#endif
+ base = base_device(device);
+ /*
+ * If we don't know the base device, assume that the device is
+ * already active if there are any fsck instances running.
+ */
+ if (!base)
+ return (instance_list != 0);
for (inst = instance_list; inst; inst = inst->next) {
- if (!strcmp(base, base_device(inst->device)))
+ if (!inst->base_device || !strcmp(base, inst->base_device)) {
+ free(base);
return 1;
+ }
}
-
+ free(base);
return 0;
}
/* Check all file systems, using the /etc/fstab table. */
static int check_all(NOARGS)
{
- struct fs_info *fs;
- struct fsck_instance *inst;
+ struct fs_info *fs = NULL;
int status = EXIT_OK;
int not_done_yet = 1;
- int passno = 0;
+ int passno = 1;
int pass_done;
if (verbose)
- printf("Checking all file systems.\n");
+ fputs(_("Checking all file systems.\n"), stdout);
/*
- * Find and check the root filesystem first.
+ * Do an initial scan over the filesystem; mark filesystems
+ * which should be ignored as done, and resolve any "auto"
+ * filesystem types (done as a side-effect of calling ignore()).
+ */
+ for (fs = filesys_info; fs; fs = fs->next) {
+ if (ignore(fs))
+ fs->flags |= FLAG_DONE;
+ }
+
+ /*
+ * Find and check the root filesystem.
*/
if (!parallel_root) {
for (fs = filesys_info; fs; fs = fs->next) {
if (!strcmp(fs->mountpt, "/"))
break;
}
- if (fs && !skip_root && !ignore(fs)) {
- fsck_device(fs->device);
+ if (fs) {
+ if (!skip_root && !ignore(fs) &&
+ !(ignore_mounted && is_mounted(fs->device))) {
+ fsck_device(fs, 1);
+ status |= wait_many(FLAG_WAIT_ALL);
+ if (status > EXIT_NONDESTRUCT)
+ return status;
+ }
fs->flags |= FLAG_DONE;
- status |= wait_all();
- if (status > EXIT_NONDESTRUCT)
- return status;
}
}
- if (fs) fs->flags |= FLAG_DONE;
-
/*
- * Mark filesystems that should be ignored as done.
+ * This is for the bone-headed user who enters the root
+ * filesystem twice. Skip root will skip all root entries.
*/
- for (fs = filesys_info; fs; fs = fs->next) {
- if (ignore(fs))
- fs->flags |= FLAG_DONE;
- }
-
+ if (skip_root)
+ for (fs = filesys_info; fs; fs = fs->next)
+ if (!strcmp(fs->mountpt, "/"))
+ fs->flags |= FLAG_DONE;
+
while (not_done_yet) {
not_done_yet = 0;
pass_done = 1;
for (fs = filesys_info; fs; fs = fs->next) {
+ if (cancel_requested)
+ break;
if (fs->flags & FLAG_DONE)
continue;
/*
not_done_yet++;
continue;
}
+ if (ignore_mounted && is_mounted(fs->device)) {
+ fs->flags |= FLAG_DONE;
+ continue;
+ }
/*
* If a filesystem on a particular device has
* already been spawned, then we need to defer
/*
* Spawn off the fsck process
*/
- fsck_device(fs->device);
+ fsck_device(fs, serialize);
fs->flags |= FLAG_DONE;
- if (serialize) {
+ /*
+ * Only do one filesystem at a time, or if we
+ * have a limit on the number of fsck's extant
+ * at one time, apply that limit.
+ */
+ if (serialize ||
+ (max_running && (num_running >= max_running))) {
pass_done = 0;
- break; /* Only do one filesystem at a time */
-
+ break;
}
}
- inst = wait_one();
- if (inst) {
- status |= inst->exit_status;
- free_instance(inst);
- }
+ if (cancel_requested)
+ break;
+ if (verbose > 1)
+ printf(_("--waiting-- (pass %d)\n"), passno);
+ status |= wait_many(pass_done ? FLAG_WAIT_ALL :
+ FLAG_WAIT_ATLEAST_ONE);
if (pass_done) {
- status |= wait_all();
- if (verbose)
+ if (verbose > 1)
printf("----------------------------------\n");
passno++;
} else
not_done_yet++;
}
- status |= wait_all();
+ if (cancel_requested && !kill_sent) {
+ kill_all(SIGTERM);
+ kill_sent++;
+ }
+ status |= wait_many(FLAG_WAIT_ATLEAST_ONE);
return status;
}
static void usage(NOARGS)
{
- fprintf(stderr,
- "Usage: fsck [-AV] [-t fstype] [fs-options] filesys\n");
+ fputs(_("Usage: fsck [-AMNPRTV] [ -C [ fd ] ] [-t fstype] [fs-options] [filesys ...]\n"), stderr);
exit(EXIT_USAGE);
}
+#ifdef HAVE_SIGNAL_H
+static void signal_cancel(int sig FSCK_ATTR((unused)))
+{
+ cancel_requested++;
+}
+#endif
+
static void PRS(int argc, char *argv[])
{
int i, j;
- char *arg;
+ char *arg, *dev, *tmp = 0;
char options[128];
int opt = 0;
int opts_for_fsck = 0;
-
+#ifdef HAVE_SIGNAL_H
+ struct sigaction sa;
+
+ /*
+ * Set up signal action
+ */
+ memset(&sa, 0, sizeof(struct sigaction));
+ sa.sa_handler = signal_cancel;
+ sigaction(SIGINT, &sa, 0);
+ sigaction(SIGTERM, &sa, 0);
+#endif
+
num_devices = 0;
num_args = 0;
instance_list = 0;
progname = argv[0];
- load_fs_info();
-
for (i=1; i < argc; i++) {
arg = argv[i];
if (!arg)
continue;
- if (arg[0] == '/') {
+ if ((arg[0] == '/' && !opts_for_fsck) || strchr(arg, '=')) {
if (num_devices >= MAX_DEVICES) {
- fprintf(stderr, "%s: too many devices\n",
+ fprintf(stderr, _("%s: too many devices\n"),
progname);
- exit(1);
+ exit(EXIT_ERROR);
}
- devices[num_devices++] = strdup(arg);
+ dev = blkid_get_devname(cache, arg, NULL);
+ if (!dev && strchr(arg, '=')) {
+ /*
+ * Check to see if we failed because
+ * /proc/partitions isn't found.
+ */
+ if (access("/proc/partitions", R_OK) < 0) {
+ fprintf(stderr, "Couldn't open /proc/partitions: %s\n",
+ strerror(errno));
+ fprintf(stderr, "Is /proc mounted?\n");
+ exit(EXIT_ERROR);
+ }
+ /*
+ * Check to see if this is because
+ * we're not running as root
+ */
+ if (geteuid())
+ fprintf(stderr,
+ "Must be root to scan for matching filesystems: %s\n", arg);
+ else
+ fprintf(stderr,
+ "Couldn't find matching filesystem: %s\n", arg);
+ exit(EXIT_ERROR);
+ }
+ devices[num_devices++] = dev ? dev : string_copy(arg);
continue;
}
- if (arg[0] != '-') {
+ if (arg[0] != '-' || opts_for_fsck) {
if (num_args >= MAX_ARGS) {
- fprintf(stderr, "%s: too many arguments\n",
+ fprintf(stderr, _("%s: too many arguments\n"),
progname);
- exit(1);
+ exit(EXIT_ERROR);
}
- args[num_args++] = strdup(arg);
+ args[num_args++] = string_copy(arg);
continue;
}
for (j=1; arg[j]; j++) {
case 'A':
doall++;
break;
+ case 'C':
+ progress++;
+ if (arg[j+1]) {
+ progress_fd = string_to_int(arg+j+1);
+ if (progress_fd < 0)
+ progress_fd = 0;
+ else
+ goto next_arg;
+ } else if (argc > i + 1 &&
+ argv[i + 1][0] != '-') {
+ progress_fd = string_to_int(argv[i]);
+ if (progress_fd < 0)
+ progress_fd = 0;
+ else {
+ ++i;
+ goto next_arg;
+ }
+ }
+ break;
case 'V':
verbose++;
break;
notitle++;
break;
case 'M':
- like_mount++;
+ ignore_mounted++;
break;
case 'P':
parallel_root++;
serialize++;
break;
case 't':
- if (arg[j+1]) {
- fstype = strdup(arg+j+1);
- goto next_arg;
- }
- if ((i+1) < argc) {
- i++;
- fstype = strdup(argv[i]);
- goto next_arg;
- }
- usage();
- break;
+ tmp = 0;
+ if (fstype)
+ usage();
+ if (arg[j+1])
+ tmp = arg+j+1;
+ else if ((i+1) < argc)
+ tmp = argv[++i];
+ else
+ usage();
+ fstype = string_copy(tmp);
+ compile_fs_type(fstype, &fs_type_compiled);
+ goto next_arg;
case '-':
opts_for_fsck++;
break;
+ case '?':
+ usage();
+ break;
default:
options[++opt] = arg[j];
break;
options[++opt] = '\0';
if (num_args >= MAX_ARGS) {
fprintf(stderr,
- "%s: too many arguments\n",
+ _("%s: too many arguments\n"),
progname);
- exit(1);
+ exit(EXIT_ERROR);
}
- args[num_args++] = strdup(options);
+ args[num_args++] = string_copy(options);
opt = 0;
}
}
+ if (getenv("FSCK_FORCE_ALL_PARALLEL"))
+ force_all_parallel++;
+ if ((tmp = getenv("FSCK_MAX_INST")))
+ max_running = atoi(tmp);
}
int main(int argc, char *argv[])
{
- int i;
- int status = 0;
+ int i, status = 0;
+ int interactive = 0;
char *oldpath = getenv("PATH");
+ const char *fstab;
+ struct fs_info *fs;
+
+ setvbuf(stdout, NULL, _IONBF, BUFSIZ);
+ setvbuf(stderr, NULL, _IONBF, BUFSIZ);
+#ifdef ENABLE_NLS
+ setlocale(LC_MESSAGES, "");
+ setlocale(LC_CTYPE, "");
+ bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
+ textdomain(NLS_CAT_NAME);
+#endif
+ blkid_get_cache(&cache, NULL);
PRS(argc, argv);
if (!notitle)
- printf("Parallelizing fsck version %s (%s)\n",
- E2FSPROGS_VERSION, E2FSPROGS_DATE);
+ printf("fsck %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
+
+ fstab = getenv("FSTAB_FILE");
+ if (!fstab)
+ fstab = _PATH_MNTTAB;
+ load_fs_info(fstab);
/* Update our search path to include uncommon directories. */
if (oldpath) {
fsck_path = malloc (strlen (fsck_prefix_path) + 1 +
strlen (oldpath) + 1);
+ if (!fsck_path) {
+ fprintf(stderr, "%s: Unable to allocate memory for fsck_path\n", progname);
+ exit(EXIT_ERROR);
+ }
strcpy (fsck_path, fsck_prefix_path);
strcat (fsck_path, ":");
strcat (fsck_path, oldpath);
} else {
- fsck_path = strdup(oldpath);
+ fsck_path = string_copy(fsck_prefix_path);
}
-
+
+ if ((num_devices == 1) || (serialize))
+ interactive = 1;
+
/* If -A was specified ("check all"), do that! */
if (doall)
return check_all();
+ if (num_devices == 0) {
+ serialize++;
+ interactive++;
+ return check_all();
+ }
for (i = 0 ; i < num_devices; i++) {
- fsck_device(devices[i]);
- if (serialize) {
+ if (cancel_requested) {
+ if (!kill_sent) {
+ kill_all(SIGTERM);
+ kill_sent++;
+ }
+ break;
+ }
+ fs = lookup(devices[i]);
+ if (!fs) {
+ fs = create_fs_device(devices[i], 0, "auto",
+ 0, -1, -1);
+ if (!fs)
+ continue;
+ }
+ if (ignore_mounted && is_mounted(fs->device))
+ continue;
+ fsck_device(fs, interactive);
+ if (serialize ||
+ (max_running && (num_running >= max_running))) {
struct fsck_instance *inst;
- inst = wait_one();
+ inst = wait_one(0);
if (inst) {
status |= inst->exit_status;
free_instance(inst);
}
+ if (verbose > 1)
+ printf("----------------------------------\n");
}
}
- status |= wait_all();
+ status |= wait_many(FLAG_WAIT_ALL);
free(fsck_path);
+ blkid_put_cache(cache);
return status;
}
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff