/*
* util.c --- helper functions used by tune2fs and mke2fs
- *
+ *
* Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o.
*
* %Begin-Header%
#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
+#include "config.h"
+#include <fcntl.h>
+#include <setjmp.h>
+#include <signal.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_ERRNO_H
#ifdef HAVE_LINUX_MAJOR_H
#include <linux/major.h>
#endif
+#include <sys/types.h>
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <time.h>
#include "et/com_err.h"
#include "e2p/e2p.h"
#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
#include "nls-enable.h"
-#include "get_device_by_label.h"
+#include "blkid/blkid.h"
#include "util.h"
+char *journal_location_string = NULL;
+
#ifndef HAVE_STRCASECMP
int strcasecmp (char *s1, char *s2)
{
}
#endif
-void proceed_question(void)
+/*
+ * Given argv[0], return the program name.
+ */
+char *get_progname(char *argv_zero)
+{
+ char *cp;
+
+ cp = strrchr(argv_zero, '/');
+ if (!cp )
+ return argv_zero;
+ else
+ return cp+1;
+}
+
+static jmp_buf alarm_env;
+
+static void alarm_signal(int signal)
+{
+ longjmp(alarm_env, 1);
+}
+
+void proceed_question(int delay)
{
char buf[256];
const char *short_yes = _("yY");
fflush(stdout);
fflush(stderr);
- printf(_("Proceed anyway? (y,n) "));
+ if (delay > 0) {
+ if (setjmp(alarm_env)) {
+ signal(SIGALRM, SIG_IGN);
+ printf("%s", _("<proceeding>\n"));
+ return;
+ }
+ signal(SIGALRM, alarm_signal);
+ printf(_("Proceed anyway (or wait %d seconds) ? (y,n) "),
+ delay);
+ alarm(delay);
+ } else
+ fputs(_("Proceed anyway? (y,n) "), stdout);
buf[0] = 0;
- fgets(buf, sizeof(buf), stdin);
- if (strchr(short_yes, buf[0]) == 0)
+ if (!fgets(buf, sizeof(buf), stdin) ||
+ strchr(short_yes, buf[0]) == 0) {
+ putc('\n', stdout);
exit(1);
+ }
+ signal(SIGALRM, SIG_IGN);
}
-void check_plausibility(const char *device)
+static void print_ext2_info(const char *device)
+
{
- int val;
-#ifdef HAVE_OPEN64
- struct stat64 s;
-
- val = stat64(device, &s);
+ struct ext2_super_block *sb;
+ ext2_filsys fs;
+ errcode_t retval;
+ time_t tm;
+ char buf[80];
+
+ retval = ext2fs_open2(device, 0, EXT2_FLAG_64BITS, 0, 0,
+ unix_io_manager, &fs);
+ if (retval)
+ return;
+ sb = fs->super;
+
+ if (sb->s_mtime) {
+ tm = sb->s_mtime;
+ if (sb->s_last_mounted[0]) {
+ memset(buf, 0, sizeof(buf));
+ strncpy(buf, sb->s_last_mounted,
+ sizeof(sb->s_last_mounted));
+ printf(_("\tlast mounted on %s on %s"), buf,
+ ctime(&tm));
+ } else
+ printf(_("\tlast mounted on %s"), ctime(&tm));
+ } else if (sb->s_mkfs_time) {
+ tm = sb->s_mkfs_time;
+ printf(_("\tcreated on %s"), ctime(&tm));
+ } else if (sb->s_wtime) {
+ tm = sb->s_wtime;
+ printf(_("\tlast modified on %s"), ctime(&tm));
+ }
+ ext2fs_close_free(&fs);
+}
+
+/*
+ * return 1 if there is no partition table, 0 if a partition table is
+ * detected, and -1 on an error.
+ */
+static int check_partition_table(const char *device)
+{
+#ifdef HAVE_BLKID_PROBE_ENABLE_PARTITIONS
+ blkid_probe pr;
+ const char *value;
+ int ret;
+
+ pr = blkid_new_probe_from_filename(device);
+ if (!pr)
+ return -1;
+
+ ret = blkid_probe_enable_partitions(pr, 1);
+ if (ret < 0)
+ goto errout;
+
+ ret = blkid_probe_enable_superblocks(pr, 0);
+ if (ret < 0)
+ goto errout;
+
+ ret = blkid_do_fullprobe(pr);
+ if (ret < 0)
+ goto errout;
+
+ ret = blkid_probe_lookup_value(pr, "PTTYPE", &value, NULL);
+ if (ret == 0)
+ fprintf(stderr, _("Found a %s partition table in %s\n"),
+ value, device);
+ else
+ ret = 1;
+
+errout:
+ blkid_free_probe(pr);
+ return ret;
#else
- struct stat s;
-
- val = stat(device, &s);
+ return -1;
#endif
-
- if(val == -1) {
- fprintf(stderr, _("Could not stat %s --- %s\n"),
+}
+
+/*
+ * return 1 if the device looks plausible, creating the file if necessary
+ */
+int check_plausibility(const char *device, int flags, int *ret_is_dev)
+{
+ int fd, ret, is_dev = 0;
+ ext2fs_struct_stat s;
+ int fl = O_RDONLY;
+ blkid_cache cache = NULL;
+ char *fs_type = NULL;
+ char *fs_label = NULL;
+
+ fd = ext2fs_open_file(device, fl, 0666);
+ if ((fd < 0) && (errno == ENOENT) && (flags & NO_SIZE)) {
+ fprintf(stderr, _("The file %s does not exist and no "
+ "size was specified.\n"), device);
+ exit(1);
+ }
+ if ((fd < 0) && (errno == ENOENT) && (flags & CREATE_FILE)) {
+ fl |= O_CREAT;
+ fd = ext2fs_open_file(device, fl, 0666);
+ if (fd >= 0 && (flags & VERBOSE_CREATE))
+ printf(_("Creating regular file %s\n"), device);
+ }
+ if (fd < 0) {
+ fprintf(stderr, _("Could not open %s: %s\n"),
device, error_message(errno));
if (errno == ENOENT)
- fprintf(stderr, _("\nThe device apparently does "
- "not exist; did you specify it correctly?\n"));
+ fputs(_("\nThe device apparently does not exist; "
+ "did you specify it correctly?\n"), stderr);
exit(1);
}
- if (!S_ISBLK(s.st_mode)) {
+
+ if (ext2fs_fstat(fd, &s) < 0) {
+ perror("stat");
+ exit(1);
+ }
+ close(fd);
+
+ if (S_ISBLK(s.st_mode))
+ is_dev = 1;
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ /* On FreeBSD, all disk devices are character specials */
+ if (S_ISCHR(s.st_mode))
+ is_dev = 1;
+#endif
+ if (ret_is_dev)
+ *ret_is_dev = is_dev;
+
+ if ((flags & CHECK_BLOCK_DEV) && !is_dev) {
printf(_("%s is not a block special device.\n"), device);
- proceed_question();
- return;
+ return 0;
}
+ /*
+ * Note: we use the older-style blkid API's here because we
+ * want as much functionality to be available when using the
+ * internal blkid library, when e2fsprogs is compiled for
+ * non-Linux systems that will probably not have the libraries
+ * from util-linux available. We only use the newer
+ * blkid-probe interfaces to access functionality not
+ * available in the original blkid library.
+ */
+ if ((flags & CHECK_FS_EXIST) && blkid_get_cache(&cache, NULL) >= 0) {
+ fs_type = blkid_get_tag_value(cache, "TYPE", device);
+ if (fs_type)
+ fs_label = blkid_get_tag_value(cache, "LABEL", device);
+ blkid_put_cache(cache);
+ }
+
+ if (fs_type) {
+ if (fs_label)
+ printf(_("%s contains a %s file system "
+ "labelled '%s'\n"), device, fs_type, fs_label);
+ else
+ printf(_("%s contains a %s file system\n"), device,
+ fs_type);
+ if (strncmp(fs_type, "ext", 3) == 0)
+ print_ext2_info(device);
+ free(fs_type);
+ free(fs_label);
+ return 0;
+ }
+
+ ret = check_partition_table(device);
+ if (ret >= 0)
+ return ret;
+
#ifdef HAVE_LINUX_MAJOR_H
#ifndef MAJOR
#define MAJOR(dev) ((dev)>>8)
#define MINOR(dev) ((dev) & 0xff)
#endif
#ifndef SCSI_BLK_MAJOR
+#ifdef SCSI_DISK0_MAJOR
+#ifdef SCSI_DISK8_MAJOR
+#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \
+ ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR) || \
+ ((M) >= SCSI_DISK8_MAJOR && (M) <= SCSI_DISK15_MAJOR))
+#else
+#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \
+ ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR))
+#endif /* defined(SCSI_DISK8_MAJOR) */
+#define SCSI_BLK_MAJOR(M) (SCSI_DISK_MAJOR((M)) || (M) == SCSI_CDROM_MAJOR)
+#else
#define SCSI_BLK_MAJOR(M) ((M) == SCSI_DISK_MAJOR || (M) == SCSI_CDROM_MAJOR)
-#endif
+#endif /* defined(SCSI_DISK0_MAJOR) */
+#endif /* defined(SCSI_BLK_MAJOR) */
if (((MAJOR(s.st_rdev) == HD_MAJOR &&
MINOR(s.st_rdev)%64 == 0) ||
(SCSI_BLK_MAJOR(MAJOR(s.st_rdev)) &&
MINOR(s.st_rdev)%16 == 0))) {
printf(_("%s is entire device, not just one partition!\n"),
device);
- proceed_question();
+ return 0;
}
#endif
+ return 1;
}
void check_mount(const char *device, int force, const char *type)
device);
return;
}
- if (!(mount_flags & EXT2_MF_MOUNTED))
- return;
-
- fprintf(stderr, _("%s is mounted; "), device);
- if (force) {
- fprintf(stderr, _("mke2fs forced anyway. "
- "Hope /etc/mtab is incorrect.\n"));
- } else {
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fprintf(stderr, _("%s is mounted; "), device);
+ if (force >= 2) {
+ fputs(_("mke2fs forced anyway. Hope /etc/mtab is "
+ "incorrect.\n"), stderr);
+ return;
+ }
+ abort_mke2fs:
fprintf(stderr, _("will not make a %s here!\n"), type);
exit(1);
}
+ if (mount_flags & EXT2_MF_BUSY) {
+ fprintf(stderr, _("%s is apparently in use by the system; "),
+ device);
+ if (force >= 2) {
+ fputs(_("mke2fs forced anyway.\n"), stderr);
+ return;
+ }
+ goto abort_mke2fs;
+ }
}
void parse_journal_opts(const char *opts)
len = strlen(opts);
buf = malloc(len+1);
if (!buf) {
- fprintf(stderr, _("Couldn't allocate memory to parse "
- "journal options!\n"));
+ fputs(_("Couldn't allocate memory to parse journal "
+ "options!\n"), stderr);
exit(1);
}
strcpy(buf, opts);
if (p) {
*p = 0;
next = p+1;
- }
+ }
arg = strchr(token, '=');
if (arg) {
*arg = 0;
arg ? arg : "NONE");
#endif
if (strcmp(token, "device") == 0) {
- journal_device = interpret_spec(arg);
+ journal_device = blkid_get_devname(NULL, arg, NULL);
if (!journal_device) {
+ if (arg)
+ fprintf(stderr, _("\nCould not find "
+ "journal device matching %s\n"),
+ arg);
journal_usage++;
continue;
}
journal_size = strtoul(arg, &p, 0);
if (*p)
journal_usage++;
+ } else if (!strcmp(token, "location")) {
+ if (!arg) {
+ journal_usage++;
+ continue;
+ }
+ journal_location_string = strdup(arg);
} else if (strcmp(token, "v1_superblock") == 0) {
journal_flags |= EXT2_MKJOURNAL_V1_SUPER;
continue;
journal_usage++;
}
if (journal_usage) {
- fprintf(stderr, _("\nBad journal options specified.\n\n"
+ fputs(_("\nBad journal options specified.\n\n"
"Journal options are separated by commas, "
"and may take an argument which\n"
"\tis set off by an equals ('=') sign.\n\n"
- "Valid raid options are:\n"
+ "Valid journal options are:\n"
"\tsize=<journal size in megabytes>\n"
- "\tdevice=<journal device>\n\n"
+ "\tdevice=<journal device>\n"
+ "\tlocation=<journal location>\n\n"
"The journal size must be between "
- "1024 and 102400 filesystem blocks.\n\n" ));
+ "1024 and 10240000 filesystem blocks.\n\n"), stderr);
+ free(buf);
exit(1);
}
-}
+ free(buf);
+}
/*
* Determine the number of journal blocks to use, either via
* user-specified # of megabytes, or via some intelligently selected
* defaults.
- *
+ *
* Find a reasonable journal file size (in blocks) given the number of blocks
* in the filesystem. For very small filesystems, it is not reasonable to
* have a journal that fills more than half of the filesystem.
*/
-int figure_journal_size(int size, ext2_filsys fs)
+unsigned int figure_journal_size(int size, ext2_filsys fs)
{
- blk_t j_blocks;
+ int j_blocks;
- if (fs->super->s_blocks_count < 2048) {
- fprintf(stderr, _("\nFilesystem too small for a journal\n"));
+ j_blocks = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super));
+ if (j_blocks < 0) {
+ fputs(_("\nFilesystem too small for a journal\n"), stderr);
return 0;
}
-
- if (size >= 0) {
+
+ if (size > 0) {
j_blocks = size * 1024 / (fs->blocksize / 1024);
- if (j_blocks < 1024 || j_blocks > 102400) {
+ if (j_blocks < 1024 || j_blocks > 10240000) {
fprintf(stderr, _("\nThe requested journal "
"size is %d blocks; it must be\n"
- "between 1024 and 102400 blocks. "
+ "between 1024 and 10240000 blocks. "
"Aborting.\n"),
j_blocks);
exit(1);
}
- if (j_blocks > fs->super->s_free_blocks_count) {
- fprintf(stderr, _("\nJournal size too big "
- "for filesystem.\n"));
+ if ((unsigned) j_blocks > ext2fs_free_blocks_count(fs->super) / 2) {
+ fputs(_("\nJournal size too big for filesystem.\n"),
+ stderr);
exit(1);
}
- return j_blocks;
}
-
- if (fs->super->s_blocks_count < 32768)
- j_blocks = 1024;
- else if (fs->super->s_blocks_count < 262144)
- j_blocks = 4096;
- else
- j_blocks = 8192;
-
return j_blocks;
}
-void print_check_message(ext2_filsys fs)
+void print_check_message(int mnt, unsigned int check)
{
+ if (mnt < 0)
+ mnt = 0;
+ if (!mnt && !check)
+ return;
printf(_("This filesystem will be automatically "
"checked every %d mounts or\n"
"%g days, whichever comes first. "
"Use tune2fs -c or -i to override.\n"),
- fs->super->s_max_mnt_count,
- (double)fs->super->s_checkinterval / (3600 * 24));
+ mnt, ((double) check) / (3600 * 24));
+}
+
+void dump_mmp_msg(struct mmp_struct *mmp, const char *msg)
+{
+
+ if (msg)
+ printf("MMP check failed: %s\n", msg);
+ if (mmp) {
+ time_t t = mmp->mmp_time;
+
+ printf("MMP error info: last update: %s node: %s device: %s\n",
+ ctime(&t), mmp->mmp_nodename, mmp->mmp_bdevname);
+ }
}