+/* vi: set sw=4 ts=4: */
/*
- * pfsck --- A generic, parallelizing front-end for the fsck program.
+ * fsck --- A generic, parallelizing front-end for the fsck program.
* It will automatically try to run fsck programs in parallel if the
* devices are on separate spindles. It is based on the same ideas as
* the generic front end for fsck by David Engel and Fred van Kempen,
* 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%
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
*/
-#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>
-#include <stdlib.h>
-#include <errno.h>
-#include <paths.h>
-#include <unistd.h>
-#include <errno.h>
-#include <malloc.h>
-#include <signal.h>
-
-#include "fsck.h"
-#include "blkid/blkid.h"
-
-#include "e2fsbb.h"
-
-#include "busybox.h"
-
-#ifndef _PATH_MNTTAB
-#define _PATH_MNTTAB "/etc/fstab"
-#endif
-
-/*
- * fsck.h
+/* All filesystem specific hooks have been removed.
+ * If filesystem cannot be determined, we will execute
+ * "fsck.auto". Currently this also happens if you specify
+ * UUID=xxx or LABEL=xxx as an object to check.
+ * Detection code for that is also probably has to be in fsck.auto.
+ *
+ * In other words, this is _really_ is just a driver program which
+ * spawns actual fsck.something for each filesystem to check.
+ * It doesn't guess filesystem types from on-disk format.
*/
-#ifndef DEFAULT_FSTYPE
-#define DEFAULT_FSTYPE "ext2"
-#endif
+#include "libbb.h"
+
+/* "progress indicator" code is somewhat buggy and ext[23] specific.
+ * We should be filesystem agnostic. IOW: there should be a well-defined
+ * API for fsck.something, NOT ad-hoc hacks in generic fsck. */
+#define DO_PROGRESS_INDICATOR 0
-#define MAX_DEVICES 32
-#define MAX_ARGS 32
+#define EXIT_OK 0
+#define EXIT_NONDESTRUCT 1
+#define EXIT_DESTRUCT 2
+#define EXIT_UNCORRECTED 4
+#define EXIT_ERROR 8
+#define EXIT_USAGE 16
+#define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
/*
- * Internal structure for mount tabel entries.
+ * Internal structure for mount table entries.
*/
struct fs_info {
- char *device;
- char *mountpt;
- char *type;
- char *opts;
- int freq;
- int passno;
- int flags;
struct fs_info *next;
+ char *device;
+ char *mountpt;
+ char *type;
+ char *opts;
+ int passno;
+ int flags;
};
#define FLAG_DONE 1
#define FLAG_PROGRESS 2
-
/*
* Structure to allow exit codes to be stored
*/
struct fsck_instance {
+ struct fsck_instance *next;
int pid;
int flags;
- int exit_status;
+#if DO_PROGRESS_INDICATOR
time_t start_time;
- char * prog;
- char * type;
- char * device;
- char * base_device;
- struct fsck_instance *next;
+#endif
+ char *prog;
+ char *device;
+ char *base_device; /* /dev/hda for /dev/hdaN etc */
};
+static const char ignored_types[] ALIGN1 =
+ "ignore\0"
+ "iso9660\0"
+ "nfs\0"
+ "proc\0"
+ "sw\0"
+ "swap\0"
+ "tmpfs\0"
+ "devpts\0";
+
+#if 0
+static const char really_wanted[] ALIGN1 =
+ "minix\0"
+ "ext2\0"
+ "ext3\0"
+ "jfs\0"
+ "reiserfs\0"
+ "xiafs\0"
+ "xfs\0";
+#endif
+
+#define BASE_MD "/dev/md"
+
+static char **args;
+static int num_args;
+static int verbose;
+
+#define FS_TYPE_FLAG_NORMAL 0
+#define FS_TYPE_FLAG_OPT 1
+#define FS_TYPE_FLAG_NEGOPT 2
+static char **fs_type_list;
+static uint8_t *fs_type_flag;
+static smallint fs_type_negated;
+
+static smallint noexecute;
+static smallint serialize;
+static smallint skip_root;
+/* static smallint like_mount; */
+static smallint parallel_root;
+static smallint force_all_parallel;
+
+#if DO_PROGRESS_INDICATOR
+static smallint progress;
+static int progress_fd;
+#endif
+
+static int num_running;
+static int max_running;
+static char *fstype;
+static struct fs_info *filesys_info;
+static struct fs_info *filesys_last;
+static struct fsck_instance *instance_list;
+
/*
- * base_device.c
- *
* 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. If the base device can not be determined, return NULL.
- *
+ * place. If the base device cannot be determined, return NULL.
+ *
* The base_device() function returns an allocated string which must
* be freed.
- *
*/
-
-
-#ifdef CONFIG_FEATURE_DEVFS
+#if ENABLE_FEATURE_DEVFS
/*
* Required for the uber-silly devfs /dev/ide/host1/bus2/target3/lun3
* pathames.
*/
-static const char * const devfs_hier[] = {
- "host", "bus", "target", "lun", 0
+static const char *const devfs_hier[] = {
+ "host", "bus", "target", "lun", NULL
};
#endif
static char *base_device(const char *device)
{
char *str, *cp;
-#ifdef CONFIG_FEATURE_DEVFS
- const char * const *hier;
+#if ENABLE_FEATURE_DEVFS
+ const char *const *hier;
const char *disk;
int len;
#endif
-
- cp = str = bb_xstrdup(device);
+ cp = str = xstrdup(device);
/* Skip over /dev/; if it's not present, give up. */
if (strncmp(cp, "/dev/", 5) != 0)
goto errout;
cp += 5;
-#if 0 /* this is for old stuff no one uses anymore ? */
- /* Skip over /dev/dsk/... */
- if (strncmp(cp, "dsk/", 4) == 0)
- cp += 4;
-#endif
-
/*
* For md devices, we treat them all as if they were all
* on one disk, since we don't know how to parallelize them.
*/
if (cp[0] == 'm' && cp[1] == 'd') {
- *(cp+2) = 0;
+ cp[2] = 0;
return str;
}
/* Handle DAC 960 devices */
if (strncmp(cp, "rd/", 3) == 0) {
cp += 3;
- if (cp[0] != 'c' || cp[2] != 'd' ||
- !isdigit(cp[1]) || !isdigit(cp[3]))
+ if (cp[0] != 'c' || !isdigit(cp[1])
+ || cp[2] != 'd' || !isdigit(cp[3]))
goto errout;
- *(cp+4) = 0;
+ cp[4] = 0;
return str;
}
/* Now let's handle /dev/hd* and /dev/sd* devices.... */
- if ((cp[0] == 'h' || cp[0] == 's') && (cp[1] == 'd')) {
+ if ((cp[0] == 'h' || cp[0] == 's') && cp[1] == 'd') {
cp += 2;
/* If there's a single number after /dev/hd, skip it */
if (isdigit(*cp))
/* What follows must be an alpha char, or give up */
if (!isalpha(*cp))
goto errout;
- *(cp + 1) = 0;
+ cp[1] = 0;
return str;
}
-#ifdef CONFIG_FEATURE_DEVFS
+#if ENABLE_FEATURE_DEVFS
/* Now let's handle devfs (ugh) names */
len = 0;
if (strncmp(cp, "ide/", 4) == 0)
}
cp++;
}
- *(cp - 1) = 0;
+ cp[-1] = 0;
return str;
}
return str;
}
#endif
-
-errout:
+ errout:
free(str);
return NULL;
}
-
-static const char * const ignored_types[] = {
- "ignore",
- "iso9660",
- "nfs",
- "proc",
- "sw",
- "swap",
- "tmpfs",
- "devpts",
- NULL
-};
-
-static const char * const really_wanted[] = {
- "minix",
- "ext2",
- "ext3",
- "jfs",
- "reiserfs",
- "xiafs",
- "xfs",
- NULL
-};
-
-#define BASE_MD "/dev/md"
-
-/*
- * Global variables for options
- */
-static char *devices[MAX_DEVICES];
-static char *args[MAX_ARGS];
-static int num_devices, num_args;
-
-static int verbose;
-static int doall;
-static int noexecute;
-static int serialize;
-static int skip_root;
-static int like_mount;
-static int notitle;
-static int parallel_root;
-static int progress;
-static int progress_fd;
-static int force_all_parallel;
-static int num_running;
-static int max_running;
-static volatile int cancel_requested;
-static int kill_sent;
-static char *fstype;
-static struct fs_info *filesys_info, *filesys_last;
-static struct fsck_instance *instance_list;
-static char *fsck_path;
-static blkid_cache cache;
-
-static char *string_copy(const char *s)
+static void free_instance(struct fsck_instance *p)
{
- char *ret;
-
- if (!s)
- return 0;
- ret = strdup(s);
- return ret;
-}
-
-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 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 *q, c;
- const char *p;
-
- if (!word)
- return;
-
- for (p = q = word; *p; q++) {
- c = *p++;
- if (c != '\\') {
- *q = c;
- } else {
- *q = bb_process_escape_sequence(&p);
- }
- }
- *q = 0;
-}
-
-static void free_instance(struct fsck_instance *i)
-{
- if (i->prog)
- free(i->prog);
- if (i->device)
- free(i->device);
- if (i->base_device)
- free(i->base_device);
- free(i);
- return;
+ free(p->prog);
+ free(p->device);
+ free(p->base_device);
+ free(p);
}
static struct fs_info *create_fs_device(const char *device, const char *mntpnt,
const char *type, const char *opts,
- int freq, int passno)
+ 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;
+ fs = xzalloc(sizeof(*fs));
+ fs->device = xstrdup(device);
+ fs->mountpt = xstrdup(mntpnt);
+ if (strchr(type, ','))
+ type = (char *)"auto";
+ fs->type = xstrdup(type);
+ fs->opts = xstrdup(opts ? opts : "");
+ fs->passno = passno < 0 ? 1 : passno;
+ /*fs->flags = 0; */
+ /*fs->next = NULL; */
if (!filesys_info)
filesys_info = 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);
- if ((cp = strchr(line, '#')))
- *cp = 0; /* Ignore everything after the comment char */
- cp = line;
-
- device = parse_word(&cp);
- mntpnt = parse_word(&cp);
- type = parse_word(&cp);
- opts = parse_word(&cp);
- freq = parse_word(&cp);
- passno = parse_word(&cp);
-
- if (!device)
- return 0; /* Allow blank lines */
-
- 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);
- if (dev)
- 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
- */
+/* Load the filesystem database from /etc/fstab */
static void load_fs_info(const char *filename)
{
- FILE *f;
- char buf[1024];
- int lineno = 0;
- int old_fstab = 1;
+ FILE *fstab;
+ struct mntent mte;
struct fs_info *fs;
- if ((f = fopen(filename, "r")) == NULL) {
- bb_perror_msg("WARNING: couldn't open %s", filename);
+ fstab = setmntent(filename, "r");
+ if (!fstab) {
+ bb_perror_msg("cannot read %s", filename);
return;
}
- while (!feof(f)) {
- lineno++;
- if (!fgets(buf, sizeof(buf), f))
- break;
- buf[sizeof(buf)-1] = 0;
- if (parse_fstab_line(buf, &fs) < 0) {
- bb_error_msg("WARNING: bad format "
- "on line %d of %s\n", lineno, filename);
- continue;
- }
- if (!fs)
- continue;
- if (fs->passno < 0)
- fs->passno = 0;
- else
- old_fstab = 0;
- }
-
- fclose(f);
-
- if (old_fstab) {
- fputs("\007\007\007"
- "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);
- for (fs = filesys_info; fs; fs = fs->next) {
- fs->passno = 1;
- }
+ // Loop through entries
+ while (getmntent_r(fstab, &mte, bb_common_bufsiz1, COMMON_BUFSIZE)) {
+ //bb_info_msg("CREATE[%s][%s][%s][%s][%d]", mte.mnt_fsname, mte.mnt_dir,
+ // mte.mnt_type, mte.mnt_opts,
+ // mte.mnt_passno);
+ fs = create_fs_device(mte.mnt_fsname, mte.mnt_dir,
+ mte.mnt_type, mte.mnt_opts,
+ mte.mnt_passno);
}
+ endmntent(fstab);
}
/* Lookup filesys in /etc/fstab and return the corresponding entry. */
{
struct fs_info *fs;
- /* No filesys name given. */
- if (filesys == NULL)
- return NULL;
-
for (fs = filesys_info; fs; fs = fs->next) {
- if (!strcmp(filesys, fs->device) ||
- (fs->mountpt && !strcmp(filesys, fs->mountpt)))
+ if (strcmp(filesys, fs->device) == 0
+ || (fs->mountpt && strcmp(filesys, fs->mountpt) == 0)
+ )
break;
}
return fs;
}
-/* Find fsck program for a given fs type. */
-static char *find_fsck(char *type)
-{
- char *s;
- const char *tpl;
- 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, ":")) {
- s = bb_xasprintf(tpl, s, type);
- if (stat(s, &st) == 0) break;
- free(s);
- }
- free(p);
- return(s);
-}
-
+#if DO_PROGRESS_INDICATOR
static int progress_active(void)
{
struct fsck_instance *inst;
}
return 0;
}
+#endif
-/*
- * Execute a particular fsck program, and link it into the list of
- * child processes we are waiting for.
- */
-static int execute(const char *type, const char *device, const char *mntpt,
- int interactive)
-{
- char *s, *argv[80];
- char *prog;
- int argc, i;
- struct fsck_instance *inst, *p;
- pid_t pid;
-
- inst = malloc(sizeof(struct fsck_instance));
- if (!inst)
- return ENOMEM;
- memset(inst, 0, sizeof(struct fsck_instance));
-
- prog = bb_xasprintf("fsck.%s", type);
- argv[0] = prog;
- argc = 1;
-
- for (i=0; i <num_args; i++)
- argv[argc++] = string_copy(args[i]);
-
- if (progress && !progress_active()) {
- if ((strcmp(type, "ext2") == 0) ||
- (strcmp(type, "ext3") == 0)) {
- char tmp[80];
- snprintf(tmp, 80, "-C%d", progress_fd);
- argv[argc++] = string_copy(tmp);
- inst->flags |= FLAG_PROGRESS;
- }
- }
-
- argv[argc++] = string_copy(device);
- argv[argc] = 0;
-
- s = find_fsck(prog);
- if (s == NULL) {
- bb_error_msg("%s: not found", prog);
- return ENOENT;
- }
-
- if (verbose || noexecute) {
- printf("[%s (%d) -- %s] ", s, num_running,
- mntpt ? mntpt : device);
- for (i=0; i < argc; i++)
- printf("%s ", argv[i]);
- printf("\n");
- }
-
- /* Fork and execute the correct program. */
- if (noexecute)
- pid = -1;
- else if ((pid = fork()) < 0) {
- perror("fork");
- return errno;
- } else if (pid == 0) {
- if (!interactive)
- close(0);
- (void) execv(s, argv);
- bb_perror_msg_and_die("%s", argv[0]);
- }
-
- for (i = 1; i < argc; i++)
- free(argv[i]);
-
- free(s);
- inst->pid = pid;
- inst->prog = 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)
+static void kill_all_if_got_signal(void)
{
+ static smallint kill_sent;
+
struct fsck_instance *inst;
- int n = 0;
+
+ if (!bb_got_signal || kill_sent)
+ return;
for (inst = instance_list; inst; inst = inst->next) {
if (inst->flags & FLAG_DONE)
continue;
- kill(inst->pid, signum);
- n++;
+ kill(inst->pid, SIGTERM);
}
- return n;
+ kill_sent = 1;
}
/*
* Wait for one child process to exit; when it does, unlink it from
- * the list of executing child processes, and return it.
+ * the list of executing child processes, free, and return its exit status.
+ * If there is no exited child, return -1.
*/
-static struct fsck_instance *wait_one(int flags)
+static int wait_one(int flags)
{
- int status;
- int sig;
- struct fsck_instance *inst, *inst2, *prev;
- pid_t pid;
+ int status;
+ int sig;
+ struct fsck_instance *inst, *prev;
+ pid_t pid;
if (!instance_list)
- return NULL;
-
- if (noexecute) {
- inst = instance_list;
- prev = 0;
-#ifdef RANDOM_DEBUG
- while (inst->next && (random() & 1)) {
- prev = inst;
- inst = inst->next;
- }
-#endif
- inst->exit_status = 0;
- goto ret_inst;
- }
-
- /*
- * gcc -Wall fails saving throw against stupidity
- * (inst and prev are thought to be uninitialized variables)
- */
- inst = prev = NULL;
+ return -1;
+ /* if (noexecute) { already returned -1; } */
- do {
+ while (1) {
pid = waitpid(-1, &status, flags);
- if (cancel_requested && !kill_sent) {
- kill_all(SIGTERM);
- kill_sent++;
- }
- if ((pid == 0) && (flags & WNOHANG))
- return NULL;
+ kill_all_if_got_signal();
+ if (pid == 0) /* flags == WNOHANG and no children exited */
+ return -1;
if (pid < 0) {
- if ((errno == EINTR) || (errno == EAGAIN))
+ if (errno == EINTR)
continue;
- if (errno == ECHILD) {
- bb_error_msg("wait: No more child process?!?");
- return NULL;
+ if (errno == ECHILD) { /* paranoia */
+ bb_error_msg("wait: no more children");
+ return -1;
}
- perror("wait");
+ bb_perror_msg("wait");
continue;
}
- for (prev = 0, inst = instance_list;
- inst;
- prev = inst, inst = inst->next) {
+ prev = NULL;
+ inst = instance_list;
+ do {
if (inst->pid == pid)
- break;
- }
- } while (!inst);
+ goto child_died;
+ prev = inst;
+ inst = inst->next;
+ } while (inst);
+ }
+ child_died:
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",
- inst->prog, inst->device, sig);
+ status = EXIT_UNCORRECTED;
+ if (sig != SIGINT) {
+ printf("Warning: %s %s terminated "
+ "by signal %d\n",
+ inst->prog, inst->device, sig);
status = EXIT_ERROR;
}
} else {
- printf("%s %s: status is %x, should never happen.\n",
- inst->prog, inst->device, status);
+ printf("%s %s: status is %x, should never happen\n",
+ inst->prog, inst->device, status);
status = EXIT_ERROR;
}
- inst->exit_status = status;
- if (progress && (inst->flags & FLAG_PROGRESS) &&
- !progress_active()) {
+
+#if DO_PROGRESS_INDICATOR
+ if (progress && (inst->flags & FLAG_PROGRESS) && !progress_active()) {
+ struct fsck_instance *inst2;
for (inst2 = instance_list; inst2; inst2 = inst2->next) {
if (inst2->flags & FLAG_DONE)
continue;
- if (strcmp(inst2->type, "ext2") &&
- strcmp(inst2->type, "ext3"))
+ if (strcmp(inst2->type, "ext2") != 0
+ && strcmp(inst2->type, "ext3") != 0
+ ) {
continue;
- /*
+ }
+ /* ext[23], we will send USR1
+ * (request to start displaying progress bar)
+ *
* 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);
+ if (inst2->start_time >= time(NULL) - 1)
+ sleep(1);
+ kill(inst2->pid, SIGUSR1);
inst2->flags |= FLAG_PROGRESS;
break;
}
}
-ret_inst:
+#endif
+
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);
+ inst->device, status);
num_running--;
- return inst;
+ free_instance(inst);
+
+ return status;
}
-#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.
*/
+#define FLAG_WAIT_ALL 0
+#define FLAG_WAIT_ATLEAST_ONE WNOHANG
static int wait_many(int flags)
{
+ int exit_status;
+ int global_status = 0;
+ int wait_flags = 0;
+
+ while ((exit_status = wait_one(wait_flags)) != -1) {
+ global_status |= exit_status;
+ wait_flags |= flags;
+ }
+ return global_status;
+}
+
+/*
+ * Execute a particular fsck program, and link it into the list of
+ * child processes we are waiting for.
+ */
+static void execute(const char *type, const char *device,
+ const char *mntpt /*, int interactive */)
+{
+ int i;
struct fsck_instance *inst;
- int global_status = 0;
- int wait_flags = 0;
-
- while ((inst = wait_one(wait_flags))) {
- global_status |= inst->exit_status;
- free_instance(inst);
-#ifdef RANDOM_DEBUG
- if (noexecute && (flags & WNOHANG) && !(random() % 3))
- break;
+ pid_t pid;
+
+ args[0] = xasprintf("fsck.%s", type);
+
+#if DO_PROGRESS_INDICATOR
+ if (progress && !progress_active()) {
+ if (strcmp(type, "ext2") == 0
+ || strcmp(type, "ext3") == 0
+ ) {
+ args[XXX] = xasprintf("-C%d", progress_fd); /* 1 */
+ inst->flags |= FLAG_PROGRESS;
+ }
+ }
#endif
- if (flags & FLAG_WAIT_ATLEAST_ONE)
- wait_flags = WNOHANG;
+
+ args[num_args - 2] = (char*)device;
+ /* args[num_args - 1] = NULL; - already is */
+
+ if (verbose || noexecute) {
+ printf("[%s (%d) -- %s]", args[0], num_running,
+ mntpt ? mntpt : device);
+ for (i = 0; args[i]; i++)
+ printf(" %s", args[i]);
+ bb_putchar('\n');
}
- return global_status;
+
+ /* Fork and execute the correct program. */
+ pid = -1;
+ if (!noexecute) {
+ pid = spawn(args);
+ if (pid < 0)
+ bb_simple_perror_msg(args[0]);
+ }
+
+#if DO_PROGRESS_INDICATOR
+ free(args[XXX]);
+#endif
+
+ /* No child, so don't record an instance */
+ if (pid <= 0) {
+ free(args[0]);
+ return;
+ }
+
+ inst = xzalloc(sizeof(*inst));
+ inst->pid = pid;
+ inst->prog = args[0];
+ inst->device = xstrdup(device);
+ inst->base_device = base_device(device);
+#if DO_PROGRESS_INDICATOR
+ inst->start_time = time(NULL);
+#endif
+
+ /* Add to the list of running fsck's.
+ * (was adding to the end, but adding to the front is simpler...) */
+ inst->next = instance_list;
+ instance_list = inst;
}
/*
* 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.
+ * specified in /etc/fstab, or "auto".
*/
-static void fsck_device(struct fs_info *fs, int interactive)
+static void fsck_device(struct fs_info *fs /*, int interactive */)
{
const char *type;
- int retval;
- interpret_type(fs);
-
- if (strcmp(fs->type, "auto") != 0)
+ 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, ','))
+ if (verbose > 2)
+ bb_info_msg("using filesystem type '%s' %s",
+ type, "from fstab");
+ } else if (fstype
+ && (fstype[0] != 'n' || fstype[1] != 'o') /* != "no" */
+ && strncmp(fstype, "opts=", 5) != 0
+ && strncmp(fstype, "loop", 4) != 0
+ && !strchr(fstype, ',')
+ ) {
type = fstype;
- else
- type = DEFAULT_FSTYPE;
+ if (verbose > 2)
+ bb_info_msg("using filesystem type '%s' %s",
+ type, "from -t");
+ } else {
+ type = "auto";
+ if (verbose > 2)
+ bb_info_msg("using filesystem type '%s' %s",
+ type, "(default)");
+ }
num_running++;
- retval = execute(type, fs->device, fs->mountpt, interactive);
- if (retval) {
- bb_error_msg("Error %d while executing fsck.%s for %s",
- retval, type, fs->device);
- num_running--;
- }
+ execute(type, fs->device, fs->mountpt /*, interactive */);
}
-
/*
- * Deal with the fsck -t argument.
+ * Returns TRUE if a partition on the same disk is already being
+ * checked.
*/
-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 int device_already_active(char *device)
+{
+ struct fsck_instance *inst;
+ char *base;
-static const char fs_type_syntax_error[] =
-"Either all or none of the filesystem types passed to -t must be prefixed\n"
- "with 'no' or '!'.";
+ if (force_all_parallel)
+ return 0;
-static void compile_fs_type(char *fs_type, struct fs_type_compile *cmp)
-{
- char *cp, *list, *s;
- int num = 2;
- int negate, first_negate = 1;
-
- if (fs_type) {
- for (cp=fs_type; *cp; cp++) {
- if (*cp == ',')
- num++;
- }
+#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
- cmp->list = xcalloc(num, sizeof(char *));
- cmp->type = xcalloc(num, sizeof(int));
- cmp->negate = 0;
-
- if (!fs_type)
- return;
+ 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 != NULL);
- 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)) {
- bb_error_msg_and_die("%s", fs_type_syntax_error);
- }
+ for (inst = instance_list; inst; inst = inst->next) {
+ if (!inst->base_device || !strcmp(base, inst->base_device)) {
+ free(base);
+ return 1;
}
-#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);
+
+ free(base);
+ return 0;
}
/*
*/
static int opt_in_list(char *opt, char *optlist)
{
- char *list, *s;
+ char *s;
+ int len;
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, ",");
+ len = strlen(opt);
+ s = optlist - 1;
+ while (1) {
+ s = strstr(s + 1, opt);
+ if (!s)
+ return 0;
+ /* neither "opt.." nor "xxx,opt.."? */
+ if (s != optlist && s[-1] != ',')
+ continue;
+ /* neither "..opt" nor "..opt,xxx"? */
+ if (s[len] != '\0' && s[len] != ',')
+ continue;
+ return 1;
}
- 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)
+static int fs_match(struct fs_info *fs)
{
- int n, ret = 0, checked_type = 0;
+ int n, ret, checked_type;
char *cp;
- if (cmp->list == 0 || cmp->list[0] == 0)
+ if (!fs_type_list)
return 1;
- for (n=0; (cp = cmp->list[n]); n++) {
- switch (cmp->type[n]) {
- case FS_TYPE_NORMAL:
+ ret = 0;
+ checked_type = 0;
+ n = 0;
+ while (1) {
+ cp = fs_type_list[n];
+ if (!cp)
+ break;
+ switch (fs_type_flag[n]) {
+ case FS_TYPE_FLAG_NORMAL:
checked_type++;
- if (strcmp(cp, fs->type) == 0) {
+ if (strcmp(cp, fs->type) == 0)
ret = 1;
- }
break;
- case FS_TYPE_NEGOPT:
+ case FS_TYPE_FLAG_NEGOPT:
if (opt_in_list(cp, fs->opts))
return 0;
break;
- case FS_TYPE_OPT:
+ case FS_TYPE_FLAG_OPT:
if (!opt_in_list(cp, fs->opts))
return 0;
break;
}
+ n++;
}
if (checked_type == 0)
return 1;
- return (cmp->negate ? !ret : ret);
+
+ return (fs_type_negated ? !ret : ret);
}
/* Check if we should ignore this filesystem. */
static int ignore(struct fs_info *fs)
{
- int wanted;
- char *s;
-
/*
* If the pass number is 0, ignore it.
*/
if (fs->passno == 0)
return 1;
- interpret_type(fs);
-
/*
* If a specific fstype is specified, and it doesn't match,
* ignore it.
*/
- if (!fs_match(fs, &fs_type_compiled)) return 1;
+ if (!fs_match(fs))
+ return 1;
/* Are we ignoring this type? */
- if(compare_string_array(ignored_types, fs->type) >= 0)
+ if (index_in_strings(ignored_types, fs->type) >= 0)
return 1;
- /* Do we really really want to check this fs? */
- wanted = compare_string_array(really_wanted, fs->type) >= 0;
-
- /* See if the <fsck.fs> program is available. */
- s = find_fsck(fs->type);
- if (s == NULL) {
- if (wanted)
- bb_error_msg("cannot check %s: fsck.%s not found",
- fs->device, fs->type);
- return 1;
- }
- free(s);
-
/* We can and want to check this file system type. */
return 0;
}
-/*
- * Returns TRUE if a partition on the same disk is already being
- * checked.
- */
-static int device_already_active(char *device)
-{
- struct fsck_instance *inst;
- char *base;
-
- 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 (!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(void)
{
- struct fs_info *fs = NULL;
+ struct fs_info *fs;
int status = EXIT_OK;
- int not_done_yet = 1;
- int passno = 1;
- int pass_done;
+ smallint not_done_yet;
+ smallint pass_done;
+ int passno;
if (verbose)
- fputs("Checking all file systems.\n", stdout);
+ puts("Checking all filesystems");
/*
* 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) {
+ 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, "/"))
+ if (LONE_CHAR(fs->mountpt, '/')) {
+ if (!skip_root && !ignore(fs)) {
+ fsck_device(fs /*, 1*/);
+ status |= wait_many(FLAG_WAIT_ALL);
+ if (status > EXIT_NONDESTRUCT)
+ return status;
+ }
+ fs->flags |= FLAG_DONE;
break;
- }
- if (fs) {
- if (!skip_root && !ignore(fs)) {
- fsck_device(fs, 1);
- status |= wait_many(FLAG_WAIT_ALL);
- if (status > EXIT_NONDESTRUCT)
- return status;
}
- fs->flags |= FLAG_DONE;
}
}
/*
- * This is for the bone-headed user who enters the root
- * filesystem twice. Skip root will skep all root entries.
+ * This is for the bone-headed user who has root
+ * filesystem listed twice.
+ * "Skip root" will skip _all_ root entries.
*/
if (skip_root)
for (fs = filesys_info; fs; fs = fs->next)
- if (!strcmp(fs->mountpt, "/"))
+ if (LONE_CHAR(fs->mountpt, '/'))
fs->flags |= FLAG_DONE;
+ not_done_yet = 1;
+ passno = 1;
while (not_done_yet) {
not_done_yet = 0;
pass_done = 1;
for (fs = filesys_info; fs; fs = fs->next) {
- if (cancel_requested)
+ if (bb_got_signal)
break;
if (fs->flags & FLAG_DONE)
continue;
/*
* If the filesystem's pass number is higher
- * than the current pass number, then we don't
+ * than the current pass number, then we didn't
* do it yet.
*/
if (fs->passno > passno) {
- not_done_yet++;
+ not_done_yet = 1;
continue;
}
/*
/*
* Spawn off the fsck process
*/
- fsck_device(fs, serialize);
+ fsck_device(fs /*, serialize*/);
fs->flags |= FLAG_DONE;
/*
* have a limit on the number of fsck's extant
* at one time, apply that limit.
*/
- if (serialize ||
- (max_running && (num_running >= max_running))) {
+ if (serialize
+ || (max_running && (num_running >= max_running))
+ ) {
pass_done = 0;
break;
}
}
- if (cancel_requested)
+ if (bb_got_signal)
break;
if (verbose > 1)
printf("--waiting-- (pass %d)\n", passno);
FLAG_WAIT_ATLEAST_ONE);
if (pass_done) {
if (verbose > 1)
- printf("----------------------------------\n");
+ puts("----------------------------------");
passno++;
} else
- not_done_yet++;
- }
- if (cancel_requested && !kill_sent) {
- kill_all(SIGTERM);
- kill_sent++;
+ not_done_yet = 1;
}
+ kill_all_if_got_signal();
status |= wait_many(FLAG_WAIT_ATLEAST_ONE);
return status;
}
-#if 0
-static void usage(void)
+/*
+ * Deal with the fsck -t argument.
+ * Huh, for mount "-t novfat,nfs" means "neither vfat nor nfs"!
+ * Why here we require "-t novfat,nonfs" ??
+ */
+static void compile_fs_type(char *fs_type)
{
- fputs("Usage: fsck [-ANPRTV] [ -C [ fd ] ] [-t fstype] [fs-options] [filesys ...]\n", stderr);
- exit(EXIT_USAGE);
+ char *s;
+ int num = 2;
+ smallint negate;
+
+ s = fs_type;
+ while ((s = strchr(s, ','))) {
+ num++;
+ s++;
+ }
+
+ fs_type_list = xzalloc(num * sizeof(fs_type_list[0]));
+ fs_type_flag = xzalloc(num * sizeof(fs_type_flag[0]));
+ fs_type_negated = -1; /* not yet known is it negated or not */
+
+ num = 0;
+ s = fs_type;
+ while (1) {
+ char *comma;
+
+ negate = 0;
+ if (s[0] == 'n' && s[1] == 'o') { /* "no.." */
+ s += 2;
+ negate = 1;
+ } else if (s[0] == '!') {
+ s++;
+ negate = 1;
+ }
+
+ if (strcmp(s, "loop") == 0)
+ /* loop is really short-hand for opts=loop */
+ goto loop_special_case;
+ if (strncmp(s, "opts=", 5) == 0) {
+ s += 5;
+ loop_special_case:
+ fs_type_flag[num] = negate ? FS_TYPE_FLAG_NEGOPT : FS_TYPE_FLAG_OPT;
+ } else {
+ if (fs_type_negated == -1)
+ fs_type_negated = negate;
+ if (fs_type_negated != negate)
+ bb_error_msg_and_die(
+"either all or none of the filesystem types passed to -t must be prefixed "
+"with 'no' or '!'");
+ }
+ comma = strchr(s, ',');
+ fs_type_list[num++] = comma ? xstrndup(s, comma-s) : xstrdup(s);
+ if (!comma)
+ break;
+ s = comma + 1;
+ }
}
-#endif
-static void signal_cancel(int sig FSCK_ATTR((unused)))
+static char **new_args(void)
{
- cancel_requested++;
+ args = xrealloc_vector(args, 2, num_args);
+ return &args[num_args++];
}
-static void PRS(int argc, char *argv[])
+int fsck_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int fsck_main(int argc UNUSED_PARAM, char **argv)
{
- int i, j;
- char *arg, *dev, *tmp = 0;
- char options[128];
- int opt = 0;
- int opts_for_fsck = 0;
- struct sigaction sa;
+ int i, status;
+ /*int interactive;*/
+ struct fs_info *fs;
+ const char *fstab;
+ char *tmp;
+ char **devices;
+ int num_devices;
+ smallint opts_for_fsck;
+ smallint doall;
+ smallint notitle;
- /*
- * Set up signal action
- */
- memset(&sa, 0, sizeof(struct sigaction));
- sa.sa_handler = signal_cancel;
- sigaction(SIGINT, &sa, 0);
- sigaction(SIGTERM, &sa, 0);
+ /* we want wait() to be interruptible */
+ signal_no_SA_RESTART_empty_mask(SIGINT, record_signo);
+ signal_no_SA_RESTART_empty_mask(SIGTERM, record_signo);
+ setbuf(stdout, NULL);
+
+ opts_for_fsck = doall = notitle = 0;
+ devices = NULL;
num_devices = 0;
- num_args = 0;
- instance_list = 0;
+ new_args(); /* args[0] = NULL, will be replaced by fsck.<type> */
+ /* instance_list = NULL; - in bss, so already zeroed */
- for (i=1; i < argc; i++) {
- arg = argv[i];
- if (!arg)
- continue;
+ while (*++argv) {
+ int j;
+ int optpos;
+ char *options;
+ char *arg = *argv;
+
+ /* "/dev/blk" or "/path" or "UUID=xxx" or "LABEL=xxx" */
if ((arg[0] == '/' && !opts_for_fsck) || strchr(arg, '=')) {
- if (num_devices >= MAX_DEVICES) {
- bb_error_msg_and_die("too many devices");
- }
- 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) {
- bb_error_msg_and_die("Couldn't open /proc/partitions: %m\n"
- "Is /proc mounted?");
- }
- /*
- * Check to see if this is because
- * we're not running as root
- */
- if (geteuid())
- bb_error_msg_and_die(
- "Must be root to scan for matching filesystems: %s\n", arg);
- else
- bb_error_msg_and_die(
- "Couldn't find matching filesystem: %s", arg);
- }
- devices[num_devices++] = dev ? dev : string_copy(arg);
+// FIXME: must check that arg is a blkdev, or resolve
+// "/path", "UUID=xxx" or "LABEL=xxx" into block device name
+// ("UUID=xxx"/"LABEL=xxx" can probably shifted to fsck.auto duties)
+ devices = xrealloc_vector(devices, 2, num_devices);
+ devices[num_devices++] = arg;
continue;
}
+
if (arg[0] != '-' || opts_for_fsck) {
- if (num_args >= MAX_ARGS) {
- bb_error_msg_and_die("too many arguments");
- }
- args[num_args++] = string_copy(arg);
+ *new_args() = arg;
continue;
}
- for (j=1; arg[j]; j++) {
- if (opts_for_fsck) {
- options[++opt] = arg[j];
- continue;
- }
+
+ if (LONE_CHAR(arg + 1, '-')) { /* "--" ? */
+ opts_for_fsck = 1;
+ continue;
+ }
+
+ optpos = 0;
+ options = NULL;
+ for (j = 1; arg[j]; j++) {
switch (arg[j]) {
case 'A':
- doall++;
+ doall = 1;
break;
+#if DO_PROGRESS_INDICATOR
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 ((i+1) < argc &&
- !strncmp(argv[i+1], "-", 1) == 0) {
- progress_fd = string_to_int(argv[i]);
- if (progress_fd < 0)
- progress_fd = 0;
- else {
- goto next_arg;
- i++;
- }
+ progress = 1;
+ if (arg[++j]) { /* -Cn */
+ progress_fd = xatoi_u(&arg[j]);
+ goto next_arg;
}
- break;
+ /* -C n */
+ if (!*++argv)
+ bb_show_usage();
+ progress_fd = xatoi_u(*argv);
+ goto next_arg;
+#endif
case 'V':
verbose++;
break;
case 'N':
- noexecute++;
+ noexecute = 1;
break;
case 'R':
- skip_root++;
+ skip_root = 1;
break;
case 'T':
- notitle++;
- break;
- case 'M':
- like_mount++;
+ notitle = 1;
break;
+/* case 'M':
+ like_mount = 1;
+ break; */
case 'P':
- parallel_root++;
+ parallel_root = 1;
break;
case 's':
- serialize++;
+ serialize = 1;
break;
case 't':
- tmp = 0;
if (fstype)
- usage();
- if (arg[j+1])
- tmp = arg+j+1;
- else if ((i+1) < argc)
- tmp = argv[++i];
+ bb_show_usage();
+ if (arg[++j])
+ tmp = &arg[j];
+ else if (*++argv)
+ tmp = *argv;
else
- usage();
- fstype = string_copy(tmp);
- compile_fs_type(fstype, &fs_type_compiled);
+ bb_show_usage();
+ fstype = xstrdup(tmp);
+ compile_fs_type(fstype);
goto next_arg;
- case '-':
- opts_for_fsck++;
- break;
case '?':
- usage();
+ bb_show_usage();
break;
default:
- options[++opt] = arg[j];
+ optpos++;
+ /* one extra for '\0' */
+ options = xrealloc(options, optpos + 2);
+ options[optpos] = arg[j];
break;
}
}
- next_arg:
- if (opt) {
+ next_arg:
+ if (optpos) {
options[0] = '-';
- options[++opt] = '\0';
- if (num_args >= MAX_ARGS) {
- bb_error_msg("too many arguments");
- }
- args[num_args++] = string_copy(options);
- opt = 0;
+ options[optpos + 1] = '\0';
+ *new_args() = options;
}
}
if (getenv("FSCK_FORCE_ALL_PARALLEL"))
- force_all_parallel++;
- if ((tmp = getenv("FSCK_MAX_INST")))
- max_running = atoi(tmp);
-}
-
-int fsck_main(int argc, char *argv[])
-{
- int i, status = 0;
- int interactive = 0;
- const char *fstab;
- struct fs_info *fs;
-
- setvbuf(stdout, NULL, _IONBF, BUFSIZ);
- setvbuf(stderr, NULL, _IONBF, BUFSIZ);
-
- blkid_get_cache(&cache, NULL);
- PRS(argc, argv);
+ force_all_parallel = 1;
+ tmp = getenv("FSCK_MAX_INST");
+ if (tmp)
+ max_running = xatoi(tmp);
+ new_args(); /* args[num_args - 2] will be replaced by <device> */
+ new_args(); /* args[num_args - 1] is the last, NULL element */
if (!notitle)
- printf("fsck %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
+ puts("fsck (busybox "BB_VER", "BB_BT")");
+ /* Even plain "fsck /dev/hda1" needs fstab to get fs type,
+ * so we are scanning it anyway */
fstab = getenv("FSTAB_FILE");
if (!fstab)
- fstab = _PATH_MNTTAB;
+ fstab = "/etc/fstab";
load_fs_info(fstab);
- e2fs_set_sbin_path();
+ /*interactive = (num_devices == 1) | serialize;*/
- if ((num_devices == 1) || (serialize))
- interactive = 1;
-
- /* If -A was specified ("check all"), do that! */
+ if (num_devices == 0)
+ /*interactive =*/ serialize = doall = 1;
if (doall)
return check_all();
- if (num_devices == 0) {
- serialize++;
- interactive++;
- return check_all();
- }
- for (i = 0 ; i < num_devices; i++) {
- if (cancel_requested) {
- if (!kill_sent) {
- kill_all(SIGTERM);
- kill_sent++;
- }
+ status = 0;
+ for (i = 0; i < num_devices; i++) {
+ if (bb_got_signal) {
+ kill_all_if_got_signal();
break;
}
+
fs = lookup(devices[i]);
- if (!fs) {
- fs = create_fs_device(devices[i], 0, "auto",
- 0, -1, -1);
- if (!fs)
- continue;
- }
- fsck_device(fs, interactive);
- if (serialize ||
- (max_running && (num_running >= max_running))) {
- struct fsck_instance *inst;
-
- inst = wait_one(0);
- if (inst) {
- status |= inst->exit_status;
- free_instance(inst);
- }
+ if (!fs)
+ fs = create_fs_device(devices[i], "", "auto", NULL, -1);
+ fsck_device(fs /*, interactive */);
+
+ if (serialize
+ || (max_running && (num_running >= max_running))
+ ) {
+ int exit_status = wait_one(0);
+ if (exit_status >= 0)
+ status |= exit_status;
if (verbose > 1)
- printf("----------------------------------\n");
+ puts("----------------------------------");
}
}
status |= wait_many(FLAG_WAIT_ALL);
- if (ENABLE_FEATURE_CLEAN_UP)
- free(fsck_path);
- blkid_put_cache(cache);
return status;
}
projects / platform / upstream / busybox.git / blobdiff