/*
- * tune2fs.c - Change the file system parameters on
- * an unmounted second extended file system
+ * tune2fs.c - Change the file system parameters on an ext2 file system
*
* Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
- * Copyright 1995, 1996, 1997 by Theodore Ts'o.
+ * Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o.
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Public
* 94/03/06 - Added the checks interval from Uwe Ohse (uwe@tirka.gun.de)
*/
+#define _XOPEN_SOURCE /* for inclusion of strptime() */
+#define _BSD_SOURCE /* for inclusion of strcasecmp() */
#include <fcntl.h>
#include <grp.h>
#ifdef HAVE_GETOPT_H
#include <unistd.h>
#include <sys/types.h>
-#include <linux/ext2_fs.h>
-
+#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
#include "et/com_err.h"
#include "uuid/uuid.h"
#include "e2p/e2p.h"
+#include "jfs_user.h"
+#include "util.h"
+#include "blkid/blkid.h"
#include "../version.h"
#include "nls-enable.h"
const char * program_name = "tune2fs";
-char * device_name = NULL;
-char * new_label = NULL;
-char * new_last_mounted = NULL;
-char * new_UUID = NULL;
-int c_flag = 0;
-int C_flag = 0;
-int e_flag = 0;
-int g_flag = 0;
-int i_flag = 0;
-int l_flag = 0;
-int L_flag = 0;
-int m_flag = 0;
-int M_flag = 0;
-int r_flag = 0;
-int s_flag = -1;
-int u_flag = 0;
-int U_flag = 0;
-int max_mount_count, mount_count;
-unsigned long interval;
-unsigned long reserved_ratio = 0;
-unsigned long reserved_blocks = 0;
-unsigned short errors;
-unsigned long resgid = 0;
-unsigned long resuid = 0;
-
-#ifndef HAVE_STRCASECMP
-static int strcasecmp (char *s1, char *s2)
-{
- while (*s1 && *s2) {
- int ch1 = *s1++, ch2 = *s2++;
- if (isupper (ch1))
- ch1 = tolower (ch1);
- if (isupper (ch2))
- ch2 = tolower (ch2);
- if (ch1 != ch2)
- return ch1 - ch2;
- }
- return *s1 ? 1 : *s2 ? -1 : 0;
-}
-#endif
+char * device_name;
+char * new_label, *new_last_mounted, *new_UUID;
+char * io_options;
+static int c_flag, C_flag, e_flag, f_flag, g_flag, i_flag, l_flag, L_flag;
+static int m_flag, M_flag, r_flag, s_flag = -1, u_flag, U_flag, T_flag;
+static time_t last_check_time;
+static int print_label;
+static int max_mount_count, mount_count, mount_flags;
+static unsigned long interval, reserved_ratio, reserved_blocks;
+static unsigned long resgid, resuid;
+static unsigned short errors;
+static int open_flag;
+static char *features_cmd;
+static char *mntopts_cmd;
+
+int journal_size, journal_flags;
+char *journal_device;
+
+static const char *please_fsck = N_("Please run e2fsck on the filesystem.\n");
+
+void do_findfs(int argc, char **argv);
static void usage(void)
{
- fprintf(stderr, _("Usage: %s [-c max-mounts-count] [-e errors-behavior] "
- "[-g group]\n"
- "\t[-i interval[d|m|w]] [-l] [-s sparse-flag] "
- "[-m reserved-blocks-percent]\n"
- "\t[-r reserved-blocks-count] [-u user] [-C mount-count]\n"
- "\t[-L volume-label] [-M last-mounted-dir] [-U UUID]\n"
- "\t[-O [^]feature[,...]] device\n"), program_name);
+ fprintf(stderr,
+ _("Usage: %s [-c max-mounts-count] [-e errors-behavior] "
+ "[-g group]\n"
+ "\t[-i interval[d|m|w]] [-j] [-J journal-options]\n"
+ "\t[-l] [-s sparse-flag] [-m reserved-blocks-percent]\n"
+ "\t[-o [^]mount-options[,...]] [-r reserved-blocks-count]\n"
+ "\t[-u user] [-C mount-count] [-L volume-label] "
+ "[-M last-mounted-dir]\n"
+ "\t[-O [^]feature[,...]] [-T last-check-time] [-U UUID]"
+ " device\n"), program_name);
exit (1);
}
static __u32 ok_features[3] = {
- 0, /* Compat */
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL |
+ EXT2_FEATURE_COMPAT_DIR_INDEX, /* Compat */
EXT2_FEATURE_INCOMPAT_FILETYPE, /* Incompat */
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */
};
-static const char *please_fsck = N_("Please run e2fsck on the filesystem.\n");
+/*
+ * Remove an external journal from the filesystem
+ */
+static void remove_journal_device(ext2_filsys fs)
+{
+ char *journal_path;
+ ext2_filsys jfs;
+ char buf[1024];
+ journal_superblock_t *jsb;
+ int i, nr_users;
+ errcode_t retval;
+ int commit_remove_journal = 0;
+ io_manager io_ptr;
-int main (int argc, char ** argv)
+ if (f_flag)
+ commit_remove_journal = 1; /* force removal even if error */
+
+ uuid_unparse(fs->super->s_journal_uuid, buf);
+ journal_path = blkid_get_devname(NULL, "UUID", buf);
+
+ if (!journal_path) {
+ journal_path =
+ ext2fs_find_block_device(fs->super->s_journal_dev);
+ if (!journal_path)
+ return;
+ }
+
+#ifdef CONFIG_TESTIO_DEBUG
+ io_ptr = test_io_manager;
+ test_io_backing_manager = unix_io_manager;
+#else
+ io_ptr = unix_io_manager;
+#endif
+ retval = ext2fs_open(journal_path, EXT2_FLAG_RW|
+ EXT2_FLAG_JOURNAL_DEV_OK, 0,
+ fs->blocksize, io_ptr, &jfs);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while trying to open external journal"));
+ goto no_valid_journal;
+ }
+ if (!(jfs->super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) {
+ fprintf(stderr, _("%s is not a journal device.\n"),
+ journal_path);
+ goto no_valid_journal;
+ }
+
+ /* Get the journal superblock */
+ if ((retval = io_channel_read_blk(jfs->io, 1, -1024, buf))) {
+ com_err(program_name, retval,
+ _("while reading journal superblock"));
+ goto no_valid_journal;
+ }
+
+ jsb = (journal_superblock_t *) buf;
+ if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) ||
+ (jsb->s_header.h_blocktype != (unsigned) ntohl(JFS_SUPERBLOCK_V2))) {
+ fputs(_("Journal superblock not found!\n"), stderr);
+ goto no_valid_journal;
+ }
+
+ /* Find the filesystem UUID */
+ nr_users = ntohl(jsb->s_nr_users);
+ for (i=0; i < nr_users; i++) {
+ if (memcmp(fs->super->s_uuid,
+ &jsb->s_users[i*16], 16) == 0)
+ break;
+ }
+ if (i >= nr_users) {
+ fputs(_("Filesystem's UUID not found on journal device.\n"),
+ stderr);
+ commit_remove_journal = 1;
+ goto no_valid_journal;
+ }
+ nr_users--;
+ for (i=0; i < nr_users; i++)
+ memcpy(&jsb->s_users[i*16], &jsb->s_users[(i+1)*16], 16);
+ jsb->s_nr_users = htonl(nr_users);
+
+ /* Write back the journal superblock */
+ if ((retval = io_channel_write_blk(jfs->io, 1, -1024, buf))) {
+ com_err(program_name, retval,
+ "while writing journal superblock.");
+ goto no_valid_journal;
+ }
+
+ commit_remove_journal = 1;
+
+no_valid_journal:
+ if (commit_remove_journal == 0) {
+ fputs(_("Journal NOT removed\n"), stderr);
+ exit(1);
+ }
+ fs->super->s_journal_dev = 0;
+ uuid_clear(fs->super->s_journal_uuid);
+ ext2fs_mark_super_dirty(fs);
+ fputs(_("Journal removed\n"), stdout);
+ free(journal_path);
+}
+
+/* Helper function for remove_journal_inode */
+static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr,
+ int blockcnt EXT2FS_ATTR((unused)),
+ void *private EXT2FS_ATTR((unused)))
+{
+ blk_t block;
+ int group;
+
+ block = *blocknr;
+ ext2fs_unmark_block_bitmap(fs->block_map,block);
+ group = ext2fs_group_of_blk(fs, block);
+ fs->group_desc[group].bg_free_blocks_count++;
+ fs->super->s_free_blocks_count++;
+ return 0;
+}
+
+/*
+ * Remove the journal inode from the filesystem
+ */
+static void remove_journal_inode(ext2_filsys fs)
+{
+ struct ext2_inode inode;
+ errcode_t retval;
+ ino_t ino = fs->super->s_journal_inum;
+
+ retval = ext2fs_read_inode(fs, ino, &inode);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while reading journal inode"));
+ exit(1);
+ }
+ if (ino == EXT2_JOURNAL_INO) {
+ retval = ext2fs_read_bitmaps(fs);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while reading bitmaps"));
+ exit(1);
+ }
+ retval = ext2fs_block_iterate(fs, ino, 0, NULL,
+ release_blocks_proc, NULL);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while clearing journal inode"));
+ exit(1);
+ }
+ memset(&inode, 0, sizeof(inode));
+ ext2fs_mark_bb_dirty(fs);
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ } else
+ inode.i_flags &= ~EXT2_IMMUTABLE_FL;
+ retval = ext2fs_write_inode(fs, ino, &inode);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while writing journal inode"));
+ exit(1);
+ }
+ fs->super->s_journal_inum = 0;
+ ext2fs_mark_super_dirty(fs);
+}
+
+/*
+ * Update the default mount options
+ */
+static void update_mntopts(ext2_filsys fs, char *mntopts)
+{
+ struct ext2_super_block *sb= fs->super;
+
+ if (e2p_edit_mntopts(mntopts, &sb->s_default_mount_opts, ~0)) {
+ fprintf(stderr, _("Invalid mount option set: %s\n"),
+ mntopts);
+ exit(1);
+ }
+ ext2fs_mark_super_dirty(fs);
+}
+
+/*
+ * Update the feature set as provided by the user.
+ */
+static void update_feature_set(ext2_filsys fs, char *features)
+{
+ int sparse, old_sparse, filetype, old_filetype;
+ int journal, old_journal, dxdir, old_dxdir;
+ struct ext2_super_block *sb= fs->super;
+ __u32 old_compat, old_incompat, old_ro_compat;
+
+ old_compat = sb->s_feature_compat;
+ old_ro_compat = sb->s_feature_ro_compat;
+ old_incompat = sb->s_feature_incompat;
+
+ old_sparse = sb->s_feature_ro_compat &
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+ old_filetype = sb->s_feature_incompat &
+ EXT2_FEATURE_INCOMPAT_FILETYPE;
+ old_journal = sb->s_feature_compat &
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+ old_dxdir = sb->s_feature_compat &
+ EXT2_FEATURE_COMPAT_DIR_INDEX;
+ if (e2p_edit_feature(features, &sb->s_feature_compat,
+ ok_features)) {
+ fprintf(stderr, _("Invalid filesystem option set: %s\n"),
+ features);
+ exit(1);
+ }
+ sparse = sb->s_feature_ro_compat &
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+ filetype = sb->s_feature_incompat &
+ EXT2_FEATURE_INCOMPAT_FILETYPE;
+ journal = sb->s_feature_compat &
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+ dxdir = sb->s_feature_compat &
+ EXT2_FEATURE_COMPAT_DIR_INDEX;
+ if (old_journal && !journal) {
+ if ((mount_flags & EXT2_MF_MOUNTED) &&
+ !(mount_flags & EXT2_MF_READONLY)) {
+ fputs(_("The has_journal flag may only be "
+ "cleared when the filesystem is\n"
+ "unmounted or mounted "
+ "read-only.\n"), stderr);
+ exit(1);
+ }
+ if (sb->s_feature_incompat &
+ EXT3_FEATURE_INCOMPAT_RECOVER) {
+ fputs(_("The needs_recovery flag is set. "
+ "Please run e2fsck before clearing\n"
+ "the has_journal flag.\n"), stderr);
+ exit(1);
+ }
+ if (sb->s_journal_inum) {
+ remove_journal_inode(fs);
+ }
+ if (sb->s_journal_dev) {
+ remove_journal_device(fs);
+ }
+ }
+ if (journal && !old_journal) {
+ /*
+ * If adding a journal flag, let the create journal
+ * code below handle creating setting the flag and
+ * creating the journal. We supply a default size if
+ * necessary.
+ */
+ if (!journal_size)
+ journal_size = -1;
+ sb->s_feature_compat &= ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+ }
+ if (dxdir && !old_dxdir) {
+ if (!sb->s_def_hash_version)
+ sb->s_def_hash_version = EXT2_HASH_TEA;
+ if (uuid_is_null((unsigned char *) sb->s_hash_seed))
+ uuid_generate((unsigned char *) sb->s_hash_seed);
+ }
+
+ if (sb->s_rev_level == EXT2_GOOD_OLD_REV &&
+ (sb->s_feature_compat || sb->s_feature_ro_compat ||
+ sb->s_feature_incompat))
+ ext2fs_update_dynamic_rev(fs);
+ if ((sparse != old_sparse) ||
+ (filetype != old_filetype)) {
+ sb->s_state &= ~EXT2_VALID_FS;
+ printf("\n%s\n", _(please_fsck));
+ }
+ if ((old_compat != sb->s_feature_compat) ||
+ (old_ro_compat != sb->s_feature_ro_compat) ||
+ (old_incompat != sb->s_feature_incompat))
+ ext2fs_mark_super_dirty(fs);
+}
+
+/*
+ * Add a journal to the filesystem.
+ */
+static void add_journal(ext2_filsys fs)
+{
+ unsigned long journal_blocks;
+ errcode_t retval;
+ ext2_filsys jfs;
+ io_manager io_ptr;
+
+ if (fs->super->s_feature_compat &
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL) {
+ fputs(_("The filesystem already has a journal.\n"), stderr);
+ goto err;
+ }
+ if (journal_device) {
+ check_plausibility(journal_device);
+ check_mount(journal_device, 0, _("journal"));
+#ifdef CONFIG_TESTIO_DEBUG
+ io_ptr = test_io_manager;
+ test_io_backing_manager = unix_io_manager;
+#else
+ io_ptr = unix_io_manager;
+#endif
+ retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
+ EXT2_FLAG_JOURNAL_DEV_OK, 0,
+ fs->blocksize, io_ptr, &jfs);
+ if (retval) {
+ com_err(program_name, retval,
+ _("\n\twhile trying to open journal on %s\n"),
+ journal_device);
+ goto err;
+ }
+ printf(_("Creating journal on device %s: "),
+ journal_device);
+ fflush(stdout);
+
+ retval = ext2fs_add_journal_device(fs, jfs);
+ ext2fs_close(jfs);
+ if (retval) {
+ com_err (program_name, retval,
+ _("while adding filesystem to journal on %s"),
+ journal_device);
+ goto err;
+ }
+ fputs(_("done\n"), stdout);
+ } else if (journal_size) {
+ fputs(_("Creating journal inode: "), stdout);
+ fflush(stdout);
+ journal_blocks = figure_journal_size(journal_size, fs);
+
+ retval = ext2fs_add_journal_inode(fs, journal_blocks,
+ journal_flags);
+ if (retval) {
+ fprintf(stderr, "\n");
+ com_err(program_name, retval,
+ _("\n\twhile trying to create journal file"));
+ exit(1);
+ } else
+ fputs(_("done\n"), stdout);
+ /*
+ * If the filesystem wasn't mounted, we need to force
+ * the block group descriptors out.
+ */
+ if ((mount_flags & EXT2_MF_MOUNTED) == 0)
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ }
+ print_check_message(fs);
+ return;
+
+err:
+ if (journal_device)
+ free(journal_device);
+ exit(1);
+}
+
+
+static void parse_e2label_options(int argc, char ** argv)
+{
+ if ((argc < 2) || (argc > 3)) {
+ fputs(_("Usage: e2label device [newlabel]\n"), stderr);
+ exit(1);
+ }
+ io_options = strchr(argv[1], '?');
+ if (io_options)
+ *io_options++ = 0;
+ device_name = blkid_get_devname(NULL, argv[1], NULL);
+ if (!device_name) {
+ com_err("e2label", 0, _("Unable to resolve '%s'"),
+ argv[1]);
+ exit(1);
+ }
+ if (argc == 3) {
+ open_flag = EXT2_FLAG_RW | EXT2_FLAG_JOURNAL_DEV_OK;
+ L_flag = 1;
+ new_label = argv[2];
+ } else
+ print_label++;
+}
+
+static time_t parse_time(char *str)
+{
+ struct tm ts;
+
+ if (strcmp(str, "now") == 0) {
+ return (time(0));
+ }
+ memset(&ts, 0, sizeof(ts));
+#ifdef HAVE_STRPTIME
+ strptime(str, "%Y%m%d%H%M%S", &ts);
+#else
+ sscanf(str, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon,
+ &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec);
+ ts.tm_year -= 1900;
+ ts.tm_mon -= 1;
+ if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 ||
+ ts.tm_mday < 0 || ts.tm_mday > 31 || ts.tm_hour > 23 ||
+ ts.tm_min > 59 || ts.tm_sec > 61)
+ ts.tm_mday = 0;
+#endif
+ if (ts.tm_mday == 0) {
+ com_err(program_name, 0,
+ _("Couldn't parse date/time specifier: %s"),
+ str);
+ usage();
+ }
+ return (mktime(&ts));
+}
+
+static void parse_tune2fs_options(int argc, char **argv)
{
int c;
char * tmp;
- errcode_t retval;
- ext2_filsys fs;
- struct ext2fs_sb *sb;
struct group * gr;
struct passwd * pw;
- int open_flag = 0;
- char *features_cmd = 0;
-#ifdef ENABLE_NLS
- setlocale(LC_MESSAGES, "");
- bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
- textdomain(NLS_CAT_NAME);
-#endif
- fprintf (stderr, _("tune2fs %s, %s for EXT2 FS %s, %s\n"),
- E2FSPROGS_VERSION, E2FSPROGS_DATE,
- EXT2FS_VERSION, EXT2FS_DATE);
- if (argc && *argv)
- program_name = *argv;
- initialize_ext2_error_table();
- while ((c = getopt (argc, argv, "c:e:g:i:lm:r:s:u:C:L:M:O:U:")) != EOF)
+ printf("tune2fs %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
+ while ((c = getopt(argc, argv, "c:e:fg:i:jlm:o:r:s:u:C:J:L:M:O:T:U:")) != EOF)
switch (c)
{
case 'c':
- max_mount_count = strtoul (optarg, &tmp, 0);
+ max_mount_count = strtol (optarg, &tmp, 0);
if (*tmp || max_mount_count > 16000) {
com_err (program_name, 0,
_("bad mounts count - %s"),
optarg);
usage();
}
+ if (max_mount_count == 0)
+ max_mount_count = -1;
c_flag = 1;
open_flag = EXT2_FLAG_RW;
break;
e_flag = 1;
open_flag = EXT2_FLAG_RW;
break;
+ case 'f': /* Force */
+ f_flag = 1;
+ break;
case 'g':
resgid = strtoul (optarg, &tmp, 0);
if (*tmp) {
i_flag = 1;
open_flag = EXT2_FLAG_RW;
break;
+ case 'j':
+ if (!journal_size)
+ journal_size = -1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'J':
+ parse_journal_opts(optarg);
+ open_flag = EXT2_FLAG_RW;
+ break;
case 'l':
l_flag = 1;
break;
case 'L':
new_label = optarg;
L_flag = 1;
- open_flag = EXT2_FLAG_RW;
+ open_flag = EXT2_FLAG_RW |
+ EXT2_FLAG_JOURNAL_DEV_OK;
break;
case 'm':
reserved_ratio = strtoul (optarg, &tmp, 0);
M_flag = 1;
open_flag = EXT2_FLAG_RW;
break;
+ case 'o':
+ if (mntopts_cmd) {
+ com_err (program_name, 0,
+ _("-o may only be specified once"));
+ usage();
+ }
+ mntopts_cmd = optarg;
+ open_flag = EXT2_FLAG_RW;
+ break;
+
case 'O':
+ if (features_cmd) {
+ com_err (program_name, 0,
+ _("-O may only be specified once"));
+ usage();
+ }
features_cmd = optarg;
open_flag = EXT2_FLAG_RW;
break;
s_flag = atoi(optarg);
open_flag = EXT2_FLAG_RW;
break;
+ case 'T':
+ T_flag = 1;
+ last_check_time = parse_time(optarg);
+ open_flag = EXT2_FLAG_RW;
+ break;
case 'u':
resuid = strtoul (optarg, &tmp, 0);
if (*tmp) {
case 'U':
new_UUID = optarg;
U_flag = 1;
- open_flag = EXT2_FLAG_RW;
+ open_flag = EXT2_FLAG_RW |
+ EXT2_FLAG_JOURNAL_DEV_OK;
break;
default:
usage();
usage();
if (!open_flag && !l_flag)
usage();
- device_name = argv[optind];
- retval = ext2fs_open (device_name, open_flag, 0, 0,
- unix_io_manager, &fs);
+ io_options = strchr(argv[optind], '?');
+ if (io_options)
+ *io_options++ = 0;
+ device_name = blkid_get_devname(NULL, argv[optind], NULL);
+ if (!device_name) {
+ com_err("tune2fs", 0, _("Unable to resolve '%s'"),
+ argv[optind]);
+ exit(1);
+ }
+}
+
+void do_findfs(int argc, char **argv)
+{
+ char *dev;
+
+ if ((argc != 2) ||
+ (strncmp(argv[1], "LABEL=", 6) && strncmp(argv[1], "UUID=", 5))) {
+ fprintf(stderr, "Usage: findfs LABEL=<label>|UUID=<uuid>\n");
+ exit(2);
+ }
+ dev = blkid_get_devname(NULL, argv[1], NULL);
+ if (!dev) {
+ com_err("findfs", 0, _("Unable to resolve '%s'"),
+ argv[1]);
+ exit(1);
+ }
+ puts(dev);
+ exit(0);
+}
+
+
+int main (int argc, char ** argv)
+{
+ errcode_t retval;
+ ext2_filsys fs;
+ struct ext2_super_block *sb;
+ io_manager io_ptr;
+
+#ifdef ENABLE_NLS
+ setlocale(LC_MESSAGES, "");
+ setlocale(LC_CTYPE, "");
+ bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
+ textdomain(NLS_CAT_NAME);
+#endif
+ if (argc && *argv)
+ program_name = *argv;
+ initialize_ext2_error_table();
+
+ if (strcmp(get_progname(argv[0]), "findfs") == 0)
+ do_findfs(argc, argv);
+ if (strcmp(get_progname(argv[0]), "e2label") == 0)
+ parse_e2label_options(argc, argv);
+ else
+ parse_tune2fs_options(argc, argv);
+
+#ifdef CONFIG_TESTIO_DEBUG
+ io_ptr = test_io_manager;
+ test_io_backing_manager = unix_io_manager;
+#else
+ io_ptr = unix_io_manager;
+#endif
+ retval = ext2fs_open2(device_name, io_options, open_flag,
+ 0, 0, io_ptr, &fs);
if (retval) {
com_err (program_name, retval, _("while trying to open %s"),
device_name);
- printf(_("Couldn't find valid filesystem superblock.\n"));
+ fprintf(stderr,
+ _("Couldn't find valid filesystem superblock.\n"));
+ exit(1);
+ }
+ sb = fs->super;
+ if (print_label) {
+ /* For e2label emulation */
+ printf("%.*s\n", (int) sizeof(sb->s_volume_name),
+ sb->s_volume_name);
+ exit(0);
+ }
+ retval = ext2fs_check_if_mounted(device_name, &mount_flags);
+ if (retval) {
+ com_err("ext2fs_check_if_mount", retval,
+ _("while determining whether %s is mounted."),
+ device_name);
exit(1);
}
- sb = (struct ext2fs_sb *) fs->super;
+ /* Normally we only need to write out the superblock */
+ fs->flags |= EXT2_FLAG_SUPER_ONLY;
if (c_flag) {
- fs->super->s_max_mnt_count = max_mount_count;
+ sb->s_max_mnt_count = max_mount_count;
ext2fs_mark_super_dirty(fs);
printf (_("Setting maximal mount count to %d\n"),
max_mount_count);
}
if (C_flag) {
- fs->super->s_mnt_count = mount_count;
+ sb->s_mnt_count = mount_count;
ext2fs_mark_super_dirty(fs);
printf (_("Setting current mount count to %d\n"), mount_count);
}
if (e_flag) {
- fs->super->s_errors = errors;
+ sb->s_errors = errors;
ext2fs_mark_super_dirty(fs);
printf (_("Setting error behavior to %d\n"), errors);
}
- if (g_flag)
-#ifdef EXT2_DEF_RESGID
- {
- fs->super->s_def_resgid = resgid;
+ if (g_flag) {
+ sb->s_def_resgid = resgid;
ext2fs_mark_super_dirty(fs);
printf (_("Setting reserved blocks gid to %lu\n"), resgid);
}
-#else
- com_err (program_name, 0,
- _("The -g option is not supported by this version -- "
- "Recompile with a newer kernel"));
-#endif
if (i_flag) {
- fs->super->s_checkinterval = interval;
+ sb->s_checkinterval = interval;
ext2fs_mark_super_dirty(fs);
printf (_("Setting interval between check %lu seconds\n"), interval);
}
if (m_flag) {
- fs->super->s_r_blocks_count = (fs->super->s_blocks_count / 100)
+ sb->s_r_blocks_count = (sb->s_blocks_count / 100)
* reserved_ratio;
ext2fs_mark_super_dirty(fs);
printf (_("Setting reserved blocks percentage to %lu (%u blocks)\n"),
- reserved_ratio, fs->super->s_r_blocks_count);
+ reserved_ratio, sb->s_r_blocks_count);
}
if (r_flag) {
- if (reserved_blocks >= fs->super->s_blocks_count) {
+ if (reserved_blocks >= sb->s_blocks_count) {
com_err (program_name, 0,
- _("reserved blocks count is too big (%ul)"),
+ _("reserved blocks count is too big (%lu)"),
reserved_blocks);
exit (1);
}
- fs->super->s_r_blocks_count = reserved_blocks;
+ sb->s_r_blocks_count = reserved_blocks;
ext2fs_mark_super_dirty(fs);
printf (_("Setting reserved blocks count to %lu\n"),
reserved_blocks);
}
if (s_flag == 1) {
-#ifdef EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
if (sb->s_feature_ro_compat &
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)
- fprintf(stderr, _("\nThe filesystem already"
- " has sparse superblocks.\n"));
+ fputs(_("\nThe filesystem already has sparse "
+ "superblocks.\n"), stderr);
else {
sb->s_feature_ro_compat |=
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
- fs->super->s_state &= ~EXT2_VALID_FS;
+ sb->s_state &= ~EXT2_VALID_FS;
ext2fs_mark_super_dirty(fs);
printf(_("\nSparse superblock flag set. %s"),
_(please_fsck));
}
-#else /* !EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER */
- com_err (program_name, 0,
- _("The -s option is not supported by this version -- "
- "Recompile with a newer kernel"));
-#endif /* EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER */
}
if (s_flag == 0) {
-#ifdef EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
if (!(sb->s_feature_ro_compat &
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER))
- fprintf(stderr, _("\nThe filesystem already"
- " has sparse superblocks disabled.\n"));
+ fputs(_("\nThe filesystem already has sparse "
+ "superblocks disabled.\n"), stderr);
else {
sb->s_feature_ro_compat &=
~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
- fs->super->s_state &= ~EXT2_VALID_FS;
+ sb->s_state &= ~EXT2_VALID_FS;
fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
ext2fs_mark_super_dirty(fs);
printf(_("\nSparse superblock flag cleared. %s"),
_(please_fsck));
}
-#else /* !EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER */
- com_err (program_name, 0,
- _("The -s option is not supported by this version -- "
- "Recompile with a newer kernel"));
-#endif /* EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER */
}
-
- if (u_flag)
-#ifdef EXT2_DEF_RESUID
- {
- fs->super->s_def_resuid = resuid;
+ if (T_flag) {
+ sb->s_lastcheck = last_check_time;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting time filesystem last checked to %s\n"),
+ ctime(&last_check_time));
+ }
+ if (u_flag) {
+ sb->s_def_resuid = resuid;
ext2fs_mark_super_dirty(fs);
printf (_("Setting reserved blocks uid to %lu\n"), resuid);
}
-#else
- com_err (program_name, 0,
- _("The -u option is not supported by this version -- "
- "Recompile with a newer kernel"));
-#endif
if (L_flag) {
if (strlen(new_label) > sizeof(sb->s_volume_name))
- fprintf(stderr, _("Warning: label too "
- "long, truncating.\n"));
+ fputs(_("Warning: label too long, truncating.\n"),
+ stderr);
memset(sb->s_volume_name, 0, sizeof(sb->s_volume_name));
strncpy(sb->s_volume_name, new_label,
sizeof(sb->s_volume_name));
sizeof(sb->s_last_mounted));
ext2fs_mark_super_dirty(fs);
}
- if (features_cmd) {
- int sparse, old_sparse, filetype, old_filetype;
-
- old_sparse = sb->s_feature_ro_compat &
- EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
- old_filetype = sb->s_feature_incompat &
- EXT2_FEATURE_INCOMPAT_FILETYPE;
- if (e2p_edit_feature(features_cmd,
- &sb->s_feature_compat,
- ok_features)) {
- fprintf(stderr, _("Invalid filesystem option set: %s\n"),
- features_cmd);
- exit(1);
- }
- sparse = sb->s_feature_ro_compat &
- EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
- filetype = sb->s_feature_incompat &
- EXT2_FEATURE_INCOMPAT_FILETYPE;
- if ((sparse != old_sparse) ||
- (filetype != old_filetype)) {
- fs->super->s_state &= ~EXT2_VALID_FS;
- printf("\n%s\n", _(please_fsck));
- }
- ext2fs_mark_super_dirty(fs);
- }
+ if (mntopts_cmd)
+ update_mntopts(fs, mntopts_cmd);
+ if (features_cmd)
+ update_feature_set(fs, features_cmd);
+ if (journal_size || journal_device)
+ add_journal(fs);
+
if (U_flag) {
- if (strcasecmp(new_UUID, "null") == 0) {
+ if ((strcasecmp(new_UUID, "null") == 0) ||
+ (strcasecmp(new_UUID, "clear") == 0)) {
uuid_clear(sb->s_uuid);
+ } else if (strcasecmp(new_UUID, "time") == 0) {
+ uuid_generate_time(sb->s_uuid);
} else if (strcasecmp(new_UUID, "random") == 0) {
uuid_generate(sb->s_uuid);
} else if (uuid_parse(new_UUID, sb->s_uuid)) {
}
if (l_flag)
- list_super (fs->super);
- ext2fs_close (fs);
- exit (0);
+ list_super (sb);
+ return (ext2fs_close (fs) ? 1 : 0);
}