/*
* util.c --- helper functions used by tune2fs and mke2fs
- *
+ *
* Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o.
*
* %Begin-Header%
* %End-Header%
*/
+#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
+#endif
+
+#ifdef _WIN32
+#define _POSIX
+#define __USE_MINGW_ALARM
+#endif
+#include "config.h"
+#include <fcntl.h>
+#include <setjmp.h>
+#include <signal.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#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 "support/nls-enable.h"
+#include "support/devname.h"
#include "blkid/blkid.h"
#include "util.h"
+char *journal_location_string = NULL;
+
#ifndef HAVE_STRCASECMP
int strcasecmp (char *s1, char *s2)
{
return cp+1;
}
-void proceed_question(void)
+static jmp_buf alarm_env;
+
+static void alarm_signal(int signal EXT2FS_ATTR((unused)))
+{
+ longjmp(alarm_env, 1);
+}
+
+void proceed_question(int delay)
{
char buf[256];
const char *short_yes = _("yY");
+ const char *english_yes = "yY";
fflush(stdout);
fflush(stderr);
- fputs(_("Proceed anyway? (y,n) "), stdout);
+ 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 to proceed) ? (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)
- exit(1);
-}
-
-void check_plausibility(const char *device)
-{
- int val;
-#ifdef HAVE_OPEN64
- struct stat64 s;
-
- val = stat64(device, &s);
-#else
- struct stat s;
-
- val = stat(device, &s);
-#endif
-
- if(val == -1) {
- fprintf(stderr, _("Could not stat %s --- %s\n"),
- device, error_message(errno));
- if (errno == ENOENT)
- fputs(_("\nThe device apparently does not exist; "
- "did you specify it correctly?\n"), stderr);
+ if (!fgets(buf, sizeof(buf), stdin) ||
+ strchr(_("nN"), buf[0]) ||
+ !(strchr(short_yes, buf[0]) ||
+ strchr(english_yes, buf[0]))) {
+ putc('\n', stdout);
exit(1);
}
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- /* On FreeBSD, all disk devices are character specials */
- if (!S_ISBLK(s.st_mode) && !S_ISCHR(s.st_mode))
-#else
- if (!S_ISBLK(s.st_mode))
-#endif
- {
- printf(_("%s is not a block special device.\n"), device);
- proceed_question();
- return;
- }
-
-#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 /* 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();
- }
-#endif
+ signal(SIGALRM, SIG_IGN);
}
void check_mount(const char *device, int force, const char *type)
}
if (mount_flags & EXT2_MF_MOUNTED) {
fprintf(stderr, _("%s is mounted; "), device);
- if (force > 2) {
+ if (force >= 2) {
fputs(_("mke2fs forced anyway. Hope /etc/mtab is "
"incorrect.\n"), stderr);
return;
if (mount_flags & EXT2_MF_BUSY) {
fprintf(stderr, _("%s is apparently in use by the system; "),
device);
- if (force > 2) {
+ if (force >= 2) {
fputs(_("mke2fs forced anyway.\n"), stderr);
return;
}
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 = blkid_get_devname(NULL, arg, NULL);
+ journal_device = 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, "fast_commit_size") == 0) {
+ if (!arg) {
+ journal_usage++;
+ continue;
+ }
+ journal_fc_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;
"\tis set off by an equals ('=') sign.\n\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"), stderr);
+ "1024 and 10240000 filesystem blocks.\n\n"), stderr);
free(buf);
exit(1);
}
free(buf);
-}
+}
+
+static inline int jsize_to_blks(ext2_filsys fs, int size)
+{
+ return (size * 1024) / (fs->blocksize / 1024);
+}
+
+/* Fast commit size is in KBs */
+static inline int fcsize_to_blks(ext2_filsys fs, int size)
+{
+ return (size * 1024) / (fs->blocksize);
+}
/*
* 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.
+ *
+ * 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)
+void figure_journal_size(struct ext2fs_journal_params *jparams,
+ int requested_j_size, int requested_fc_size, ext2_filsys fs)
{
- blk_t j_blocks;
+ int total_blocks, ret;
- if (fs->super->s_blocks_count < 2048) {
+ ret = ext2fs_get_journal_params(jparams, fs);
+ if (ret) {
fputs(_("\nFilesystem too small for a journal\n"), stderr);
- return 0;
+ return;
}
-
- if (size > 0) {
- j_blocks = size * 1024 / (fs->blocksize / 1024);
- if (j_blocks < 1024 || j_blocks > 10240000) {
- fprintf(stderr, _("\nThe requested journal "
+
+ if (requested_j_size > 0 ||
+ (ext2fs_has_feature_fast_commit(fs->super) && requested_fc_size > 0)) {
+ if (requested_j_size > 0)
+ jparams->num_journal_blocks =
+ jsize_to_blks(fs, requested_j_size);
+ if (ext2fs_has_feature_fast_commit(fs->super) &&
+ requested_fc_size > 0)
+ jparams->num_fc_blocks =
+ fcsize_to_blks(fs, requested_fc_size);
+ else if (!ext2fs_has_feature_fast_commit(fs->super))
+ jparams->num_fc_blocks = 0;
+ total_blocks = jparams->num_journal_blocks + jparams->num_fc_blocks;
+ if (total_blocks < 1024 || total_blocks > 10240000) {
+ fprintf(stderr, _("\nThe total requested journal "
"size is %d blocks; it must be\n"
"between 1024 and 10240000 blocks. "
"Aborting.\n"),
- j_blocks);
+ total_blocks);
exit(1);
}
- if (j_blocks > fs->super->s_free_blocks_count / 2) {
- fputs(_("\nJournal size too big for filesystem.\n"),
+ if ((unsigned int) total_blocks > ext2fs_free_blocks_count(fs->super) / 2) {
+ fputs(_("\nTotal journal size too big for filesystem.\n"),
stderr);
exit(1);
}
- return j_blocks;
}
-
- if (fs->super->s_blocks_count < 32768)
- j_blocks = 1400;
- else if (fs->super->s_blocks_count < 256*1024)
- j_blocks = 4096;
- else if (fs->super->s_blocks_count < 512*1024)
- j_blocks = 8192;
- else if (fs->super->s_blocks_count < 1024*1024)
- j_blocks = 16384;
- else
- j_blocks = 32768;
-
-
- 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: node: %.*s, device: %.*s, updated: %s",
+ EXT2_LEN_STR(mmp->mmp_nodename),
+ EXT2_LEN_STR(mmp->mmp_bdevname), ctime(&t));
+ }
}