--- /dev/null
+/*
+ * mke2fs.c - Make a ext2fs filesystem.
+ *
+ * Copyright (C) 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%
+ */
+
+/* Usage: mke2fs [options] device
+ *
+ * The device may be a block device or a image of one, but this isn't
+ * enforced (but it's not much fun on a character device :-).
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <time.h>
+#ifdef __linux__
+#include <sys/utsname.h>
+#endif
+#include <getopt.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <mntent.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+
+#include "e2fsbb.h"
+#include "ext2fs/ext2_fs.h"
+#include "uuid/uuid.h"
+#include "e2p/e2p.h"
+#include "ext2fs/ext2fs.h"
+#include "util.h"
+
+#define STRIDE_LENGTH 8
+
+#ifndef __sparc__
+#define ZAP_BOOTBLOCK
+#endif
+
+static const char * program_name = "mke2fs";
+static const char * device_name /* = NULL */;
+
+/* Command line options */
+static int cflag;
+static int verbose;
+static int quiet;
+static int super_only;
+static int force;
+static int noaction;
+static int journal_size;
+static int journal_flags;
+static char *bad_blocks_filename;
+static __u32 fs_stride;
+
+static struct ext2_super_block param;
+static char *creator_os;
+static char *volume_label;
+static char *mount_dir;
+static char *journal_device;
+static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
+
+static int sys_page_size = 4096;
+static int linux_version_code = 0;
+
+static int int_log2(int arg)
+{
+ int l = 0;
+
+ arg >>= 1;
+ while (arg) {
+ l++;
+ arg >>= 1;
+ }
+ return l;
+}
+
+static int int_log10(unsigned int arg)
+{
+ int l;
+
+ for (l=0; arg ; l++)
+ arg = arg / 10;
+ return l;
+}
+
+static int parse_version_number(const char *s)
+{
+ int major, minor, rev;
+ char *endptr;
+ const char *cp = s;
+
+ if (!s)
+ return 0;
+ major = strtol(cp, &endptr, 10);
+ if (cp == endptr || *endptr != '.')
+ return 0;
+ cp = endptr + 1;
+ minor = strtol(cp, &endptr, 10);
+ if (cp == endptr || *endptr != '.')
+ return 0;
+ cp = endptr + 1;
+ rev = strtol(cp, &endptr, 10);
+ if (cp == endptr)
+ return 0;
+ return ((((major * 256) + minor) * 256) + rev);
+}
+
+
+
+/*
+ * This function sets the default parameters for a filesystem
+ *
+ * The type is specified by the user. The size is the maximum size
+ * (in megabytes) for which a set of parameters applies, with a size
+ * of zero meaning that it is the default parameter for the type.
+ * Note that order is important in the table below.
+ */
+#define DEF_MAX_BLOCKSIZE -1
+static char default_str[] = "default";
+struct mke2fs_defaults {
+ const char *type;
+ int size;
+ int blocksize;
+ int inode_ratio;
+} settings[] = {
+ { default_str, 0, 4096, 8192 },
+ { default_str, 512, 1024, 4096 },
+ { default_str, 3, 1024, 8192 },
+ { "journal", 0, 4096, 8192 },
+ { "news", 0, 4096, 4096 },
+ { "largefile", 0, 4096, 1024 * 1024 },
+ { "largefile4", 0, 4096, 4096 * 1024 },
+ { 0, 0, 0, 0},
+};
+
+static void set_fs_defaults(const char *fs_type,
+ struct ext2_super_block *super,
+ int blocksize, int sector_size,
+ int *inode_ratio)
+{
+ int megs;
+ int ratio = 0;
+ struct mke2fs_defaults *p;
+ int use_bsize = 1024;
+
+ megs = super->s_blocks_count * (EXT2_BLOCK_SIZE(super) / 1024) / 1024;
+ if (inode_ratio)
+ ratio = *inode_ratio;
+ if (!fs_type)
+ fs_type = default_str;
+ for (p = settings; p->type; p++) {
+ if ((strcmp(p->type, fs_type) != 0) &&
+ (strcmp(p->type, default_str) != 0))
+ continue;
+ if ((p->size != 0) && (megs > p->size))
+ continue;
+ if (ratio == 0)
+ *inode_ratio = p->inode_ratio < blocksize ?
+ blocksize : p->inode_ratio;
+ use_bsize = p->blocksize;
+ }
+ if (blocksize <= 0) {
+ if (use_bsize == DEF_MAX_BLOCKSIZE) {
+ use_bsize = sys_page_size;
+ if ((linux_version_code < (2*65536 + 6*256)) &&
+ (use_bsize > 4096))
+ use_bsize = 4096;
+ }
+ if (sector_size && use_bsize < sector_size)
+ use_bsize = sector_size;
+ if ((blocksize < 0) && (use_bsize < (-blocksize)))
+ use_bsize = -blocksize;
+ blocksize = use_bsize;
+ super->s_blocks_count /= blocksize / 1024;
+ }
+ super->s_log_frag_size = super->s_log_block_size =
+ int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
+}
+
+
+/*
+ * Helper function for read_bb_file and test_disk
+ */
+static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
+{
+ bb_error_msg("Bad block %u out of range; ignored", blk);
+ return;
+}
+
+/*
+ * Reads the bad blocks list from a file
+ */
+static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
+ const char *bad_blocks_file)
+{
+ FILE *f;
+ errcode_t retval;
+
+ f = fopen(bad_blocks_file, "r");
+ if (!f) {
+ bb_perror_msg_and_die("Could not read bad blocks file %s", bad_blocks_file);
+ }
+ retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
+ fclose (f);
+ if (retval) {
+ bb_error_msg_and_die("Could not read bad blocks list");
+ }
+}
+
+/*
+ * Runs the badblocks program to test the disk
+ */
+static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
+{
+ FILE *f;
+ errcode_t retval;
+ char buf[1024];
+
+ sprintf(buf, "badblocks -b %d %s%s%s %d", fs->blocksize,
+ quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
+ fs->device_name, fs->super->s_blocks_count);
+ if (verbose)
+ printf(_("Running command: %s\n"), buf);
+ f = popen(buf, "r");
+ if (!f) {
+ bb_perror_msg_and_die("Could not run '%s'", buf);
+ }
+ retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
+ pclose(f);
+ if (retval) {
+ bb_error_msg_and_die(
+ "Could not get list of bad blocks from program");
+ }
+}
+
+static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
+{
+ dgrp_t i;
+ blk_t j;
+ unsigned must_be_good;
+ blk_t blk;
+ badblocks_iterate bb_iter;
+ errcode_t retval;
+ blk_t group_block;
+ int group;
+ int group_bad;
+
+ if (!bb_list)
+ return;
+
+ /*
+ * The primary superblock and group descriptors *must* be
+ * good; if not, abort.
+ */
+ must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
+ for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
+ if (ext2fs_badblocks_list_test(bb_list, i)) {
+ bb_error_msg_and_die(
+ "Block %d in primary superblock/group descriptor area bad\n"
+ "Blocks %d through %d must be good in order to build a filesystem\n"
+ "Aborting ...", i, fs->super->s_first_data_block, must_be_good);
+ }
+ }
+
+ /*
+ * See if any of the bad blocks are showing up in the backup
+ * superblocks and/or group descriptors. If so, issue a
+ * warning and adjust the block counts appropriately.
+ */
+ group_block = fs->super->s_first_data_block +
+ fs->super->s_blocks_per_group;
+
+ for (i = 1; i < fs->group_desc_count; i++) {
+ group_bad = 0;
+ for (j=0; j < fs->desc_blocks+1; j++) {
+ if (ext2fs_badblocks_list_test(bb_list,
+ group_block + j)) {
+ if (!group_bad)
+ bb_error_msg(
+ "Warning: the backup superblock/group descriptors at block %d contain\n"
+ " bad blocks\n", group_block);
+ group_bad++;
+ group = ext2fs_group_of_blk(fs, group_block+j);
+ fs->group_desc[group].bg_free_blocks_count++;
+ fs->super->s_free_blocks_count++;
+ }
+ }
+ group_block += fs->super->s_blocks_per_group;
+ }
+
+ /*
+ * Mark all the bad blocks as used...
+ */
+ retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
+ if (retval) {
+ bb_error_msg_and_die("while marking bad blocks as used");
+ }
+ while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
+ ext2fs_mark_block_bitmap(fs->block_map, blk);
+ ext2fs_badblocks_list_iterate_end(bb_iter);
+}
+
+/*
+ * These functions implement a generalized progress meter.
+ */
+struct progress_struct {
+ char format[20];
+ char backup[80];
+ __u32 max;
+ int skip_progress;
+};
+
+static void progress_init(struct progress_struct *progress,
+ const char *label,__u32 max)
+{
+ int i;
+
+ memset(progress, 0, sizeof(struct progress_struct));
+ if (quiet)
+ return;
+
+ /*
+ * Figure out how many digits we need
+ */
+ i = int_log10(max);
+ sprintf(progress->format, "%%%dd/%%%dld", i, i);
+ memset(progress->backup, '\b', sizeof(progress->backup)-1);
+ progress->backup[sizeof(progress->backup)-1] = 0;
+ if ((2*i)+1 < (int) sizeof(progress->backup))
+ progress->backup[(2*i)+1] = 0;
+ progress->max = max;
+
+ progress->skip_progress = 0;
+ if (getenv("MKE2FS_SKIP_PROGRESS"))
+ progress->skip_progress++;
+
+ fputs(label, stdout);
+ fflush(stdout);
+}
+
+static void progress_update(struct progress_struct *progress, __u32 val)
+{
+ if ((progress->format[0] == 0) || progress->skip_progress)
+ return;
+ printf(progress->format, val, progress->max);
+ fputs(progress->backup, stdout);
+}
+
+static void progress_close(struct progress_struct *progress)
+{
+ if (progress->format[0] == 0)
+ return;
+ fputs(_("done \n"), stdout);
+}
+
+
+/*
+ * Helper function which zeros out _num_ blocks starting at _blk_. In
+ * case of an error, the details of the error is returned via _ret_blk_
+ * and _ret_count_ if they are non-NULL pointers. Returns 0 on
+ * success, and an error code on an error.
+ *
+ * As a special case, if the first argument is NULL, then it will
+ * attempt to free the static zeroizing buffer. (This is to keep
+ * programs that check for memory leaks happy.)
+ */
+static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num,
+ struct progress_struct *progress,
+ blk_t *ret_blk, int *ret_count)
+{
+ int j, count, next_update, next_update_incr;
+ static char *buf;
+ errcode_t retval;
+
+ /* If fs is null, clean up the static buffer and return */
+ if (!fs) {
+ if (buf) {
+ free(buf);
+ buf = 0;
+ }
+ return 0;
+ }
+ /* Allocate the zeroizing buffer if necessary */
+ if (!buf) {
+ buf = xmalloc(fs->blocksize * STRIDE_LENGTH);
+ memset(buf, 0, fs->blocksize * STRIDE_LENGTH);
+ }
+ /* OK, do the write loop */
+ next_update = 0;
+ next_update_incr = num / 100;
+ if (next_update_incr < 1)
+ next_update_incr = 1;
+ for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) {
+ count = num - j;
+ if (count > STRIDE_LENGTH)
+ count = STRIDE_LENGTH;
+ retval = io_channel_write_blk(fs->io, blk, count, buf);
+ if (retval) {
+ if (ret_count)
+ *ret_count = count;
+ if (ret_blk)
+ *ret_blk = blk;
+ return retval;
+ }
+ if (progress && j > next_update) {
+ next_update += num / 100;
+ progress_update(progress, blk);
+ }
+ }
+ return 0;
+}
+
+static void write_inode_tables(ext2_filsys fs)
+{
+ errcode_t retval;
+ blk_t blk;
+ dgrp_t i;
+ int num;
+ struct progress_struct progress;
+
+ if (quiet)
+ memset(&progress, 0, sizeof(progress));
+ else
+ progress_init(&progress, _("Writing inode tables: "),
+ fs->group_desc_count);
+
+ for (i = 0; i < fs->group_desc_count; i++) {
+ progress_update(&progress, i);
+
+ blk = fs->group_desc[i].bg_inode_table;
+ num = fs->inode_blocks_per_group;
+
+ retval = zero_blocks(fs, blk, num, 0, &blk, &num);
+ if (retval) {
+ bb_error_msg_and_die(
+ "\nCould not write %d blocks "
+ "in inode table starting at %d.",
+ num, blk);
+ }
+ if (sync_kludge) {
+ if (sync_kludge == 1)
+ sync();
+ else if ((i % sync_kludge) == 0)
+ sync();
+ }
+ }
+ zero_blocks(0, 0, 0, 0, 0, 0);
+ progress_close(&progress);
+}
+
+static void create_root_dir(ext2_filsys fs)
+{
+ errcode_t retval;
+ struct ext2_inode inode;
+
+ retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
+ if (retval) {
+ bb_error_msg_and_die("Could not create root dir");
+ }
+ if (geteuid()) {
+ retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
+ if (retval) {
+ bb_error_msg_and_die("Could not read root inode");
+ }
+ inode.i_uid = getuid();
+ if (inode.i_uid)
+ inode.i_gid = getgid();
+ retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
+ if (retval) {
+ bb_error_msg_and_die("Could not set root inode ownership");
+ }
+ }
+}
+
+static void create_lost_and_found(ext2_filsys fs)
+{
+ errcode_t retval;
+ ext2_ino_t ino;
+ const char *name = "lost+found";
+ int i;
+ int lpf_size = 0;
+
+ fs->umask = 077;
+ retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
+ if (retval) {
+ bb_error_msg_and_die("Could not create lost+found");
+ }
+
+ retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
+ if (retval) {
+ bb_error_msg_and_die("Could not look up lost+found");
+ }
+
+ for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
+ if ((lpf_size += fs->blocksize) >= 16*1024)
+ break;
+ retval = ext2fs_expand_dir(fs, ino);
+ if (retval) {
+ bb_error_msg_and_die("Could not expand lost+found");
+ }
+ }
+}
+
+static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
+{
+ errcode_t retval;
+
+ ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO);
+ fs->group_desc[0].bg_free_inodes_count--;
+ fs->super->s_free_inodes_count--;
+ retval = ext2fs_update_bb_inode(fs, bb_list);
+ if (retval) {
+ bb_error_msg_and_die("Could not set bad block inode");
+ }
+
+}
+
+static void reserve_inodes(ext2_filsys fs)
+{
+ ext2_ino_t i;
+ int group;
+
+ for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) {
+ ext2fs_mark_inode_bitmap(fs->inode_map, i);
+ group = ext2fs_group_of_ino(fs, i);
+ fs->group_desc[group].bg_free_inodes_count--;
+ fs->super->s_free_inodes_count--;
+ }
+ ext2fs_mark_ib_dirty(fs);
+}
+
+#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
+#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */
+#define BSD_LABEL_OFFSET 64
+
+static void zap_sector(ext2_filsys fs, int sect, int nsect)
+{
+ char *buf;
+ int retval;
+ unsigned int *magic;
+
+ buf = malloc(512*nsect);
+ if (!buf) {
+ printf(_("Out of memory erasing sectors %d-%d\n"),
+ sect, sect + nsect - 1);
+ exit(1);
+ }
+
+ if (sect == 0) {
+ /* Check for a BSD disklabel, and don't erase it if so */
+ retval = io_channel_read_blk(fs->io, 0, -512, buf);
+ if (retval)
+ bb_error_msg("Warning: could not read block 0");
+ else {
+ magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
+ if ((*magic == BSD_DISKMAGIC) ||
+ (*magic == BSD_MAGICDISK))
+ return;
+ }
+ }
+
+ memset(buf, 0, 512*nsect);
+ io_channel_set_blksize(fs->io, 512);
+ retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf);
+ io_channel_set_blksize(fs->io, fs->blocksize);
+ free(buf);
+ if (retval)
+ bb_error_msg("Warning: could not erase sector %d", sect);
+}
+
+static void create_journal_dev(ext2_filsys fs)
+{
+ struct progress_struct progress;
+ errcode_t retval;
+ char *buf;
+ blk_t blk;
+ int count;
+
+ retval = ext2fs_create_journal_superblock(fs,
+ fs->super->s_blocks_count, 0, &buf);
+ if (retval) {
+ bb_error_msg_and_die("Could not init journal superblock");
+ }
+ if (quiet)
+ memset(&progress, 0, sizeof(progress));
+ else
+ progress_init(&progress, _("Zeroing journal device: "),
+ fs->super->s_blocks_count);
+
+ retval = zero_blocks(fs, 0, fs->super->s_blocks_count,
+ &progress, &blk, &count);
+ if (retval) {
+ bb_error_msg_and_die("Could not zero journal device (block %u, count %d)",
+ blk, count);
+ }
+ zero_blocks(0, 0, 0, 0, 0, 0);
+
+ retval = io_channel_write_blk(fs->io,
+ fs->super->s_first_data_block+1,
+ 1, buf);
+ if (retval) {
+ bb_error_msg_and_die("Could not write journal superblock");
+ }
+ progress_close(&progress);
+}
+
+static void show_stats(ext2_filsys fs)
+{
+ struct ext2_super_block *s = fs->super;
+ char buf[80];
+ char *os;
+ blk_t group_block;
+ dgrp_t i;
+ int need, col_left;
+
+ if (param.s_blocks_count != s->s_blocks_count)
+ bb_error_msg("warning: %d blocks unused\n",
+ param.s_blocks_count - s->s_blocks_count);
+
+ memset(buf, 0, sizeof(buf));
+ strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
+ printf("Filesystem label=%s\n", buf);
+ fputs(_("OS type: "), stdout);
+ os = e2p_os2string(fs->super->s_creator_os);
+ fputs(os, stdout);
+ free(os);
+ printf("\n");
+ printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
+ s->s_log_block_size);
+ printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
+ s->s_log_frag_size);
+ printf(_("%u inodes, %u blocks\n"), s->s_inodes_count,
+ s->s_blocks_count);
+ printf(_("%u blocks (%2.2f%%) reserved for the super user\n"),
+ s->s_r_blocks_count,
+ 100.0 * s->s_r_blocks_count / s->s_blocks_count);
+ printf(_("First data block=%u\n"), s->s_first_data_block);
+ if (s->s_reserved_gdt_blocks)
+ printf(_("Maximum filesystem blocks=%lu\n"),
+ (s->s_reserved_gdt_blocks + fs->desc_blocks) *
+ (fs->blocksize / sizeof(struct ext2_group_desc)) *
+ s->s_blocks_per_group);
+ if (fs->group_desc_count > 1)
+ printf(_("%u block groups\n"), fs->group_desc_count);
+ else
+ printf(_("%u block group\n"), fs->group_desc_count);
+ printf(_("%u blocks per group, %u fragments per group\n"),
+ s->s_blocks_per_group, s->s_frags_per_group);
+ printf(_("%u inodes per group\n"), s->s_inodes_per_group);
+
+ if (fs->group_desc_count == 1) {
+ printf("\n");
+ return;
+ }
+
+ printf(_("Superblock backups stored on blocks: "));
+ group_block = s->s_first_data_block;
+ col_left = 0;
+ for (i = 1; i < fs->group_desc_count; i++) {
+ group_block += s->s_blocks_per_group;
+ if (!ext2fs_bg_has_super(fs, i))
+ continue;
+ if (i != 1)
+ printf(", ");
+ need = int_log10(group_block) + 2;
+ if (need > col_left) {
+ printf("\n\t");
+ col_left = 72;
+ }
+ col_left -= need;
+ printf("%u", group_block);
+ }
+ printf("\n\n");
+}
+
+/*
+ * Set the S_CREATOR_OS field. Return true if OS is known,
+ * otherwise, 0.
+ */
+static int set_os(struct ext2_super_block *sb, char *os)
+{
+ if (isdigit (*os))
+ sb->s_creator_os = atoi (os);
+ else if (strcasecmp(os, "linux") == 0)
+ sb->s_creator_os = EXT2_OS_LINUX;
+ else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
+ sb->s_creator_os = EXT2_OS_HURD;
+ else if (strcasecmp(os, "masix") == 0)
+ sb->s_creator_os = EXT2_OS_MASIX;
+ else if (strcasecmp(os, "freebsd") == 0)
+ sb->s_creator_os = EXT2_OS_FREEBSD;
+ else if (strcasecmp(os, "lites") == 0)
+ sb->s_creator_os = EXT2_OS_LITES;
+ else
+ return 0;
+
+ return 1;
+}
+
+#define PATH_SET "PATH=/sbin"
+
+static void parse_extended_opts(struct ext2_super_block *sb_param,
+ const char *opts)
+{
+ char *buf, *token, *next, *p, *arg;
+ int len;
+ int r_usage = 0;
+
+ len = strlen(opts);
+ buf = xmalloc(len+1);
+ strcpy(buf, opts);
+ for (token = buf; token && *token; token = next) {
+ p = strchr(token, ',');
+ next = 0;
+ if (p) {
+ *p = 0;
+ next = p+1;
+ }
+ arg = strchr(token, '=');
+ if (arg) {
+ *arg = 0;
+ arg++;
+ }
+ if (strcmp(token, "stride") == 0) {
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+ fs_stride = strtoul(arg, &p, 0);
+ if (*p || (fs_stride == 0)) {
+ bb_error_msg("Invalid stride parameter");
+ r_usage++;
+ continue;
+ }
+ } else if (!strcmp(token, "resize")) {
+ unsigned long resize, bpg, rsv_groups;
+ unsigned long group_desc_count, desc_blocks;
+ unsigned int gdpb, blocksize;
+ int rsv_gdb;
+
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+
+ resize = parse_num_blocks(arg,
+ sb_param->s_log_block_size);
+
+ if (resize == 0) {
+ bb_error_msg("Invalid resize parameter: %s", arg);
+ r_usage++;
+ continue;
+ }
+ if (resize <= sb_param->s_blocks_count) {
+ bb_error_msg("The resize maximum must be greater than the filesystem size");
+ r_usage++;
+ continue;
+ }
+
+ blocksize = EXT2_BLOCK_SIZE(sb_param);
+ bpg = sb_param->s_blocks_per_group;
+ if (!bpg)
+ bpg = blocksize * 8;
+ gdpb = blocksize / sizeof(struct ext2_group_desc);
+ group_desc_count = (sb_param->s_blocks_count +
+ bpg - 1) / bpg;
+ desc_blocks = (group_desc_count +
+ gdpb - 1) / gdpb;
+ rsv_groups = (resize + bpg - 1) / bpg;
+ rsv_gdb = (rsv_groups + gdpb - 1) / gdpb -
+ desc_blocks;
+ if (rsv_gdb > EXT2_ADDR_PER_BLOCK(sb_param))
+ rsv_gdb = EXT2_ADDR_PER_BLOCK(sb_param);
+
+ if (rsv_gdb > 0) {
+ sb_param->s_feature_compat |=
+ EXT2_FEATURE_COMPAT_RESIZE_INODE;
+
+ sb_param->s_reserved_gdt_blocks = rsv_gdb;
+ }
+ } else
+ r_usage++;
+ }
+ if (r_usage) {
+ bb_error_msg_and_die(
+ "\nBad options specified.\n\n"
+ "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"
+ "\tstride=<stride length in blocks>\n"
+ "\tresize=<resize maximum size in blocks>\n");
+ }
+}
+
+static __u32 ok_features[3] = {
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL |
+ EXT2_FEATURE_COMPAT_RESIZE_INODE |
+ EXT2_FEATURE_COMPAT_DIR_INDEX, /* Compat */
+ EXT2_FEATURE_INCOMPAT_FILETYPE| /* Incompat */
+ EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
+ EXT2_FEATURE_INCOMPAT_META_BG,
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */
+};
+
+
+static void PRS(int argc, char *argv[])
+{
+ int b, c;
+ int size;
+ char * tmp;
+ int blocksize = 0;
+ int inode_ratio = 0;
+ int inode_size = 0;
+ int reserved_ratio = 5;
+ int sector_size = 0;
+ int show_version_only = 0;
+ ext2_ino_t num_inodes = 0;
+ errcode_t retval;
+ char * oldpath = getenv("PATH");
+ char * extended_opts = 0;
+ const char * fs_type = 0;
+ blk_t dev_size;
+#ifdef __linux__
+ struct utsname ut;
+#endif
+ long sysval;
+
+ /* Update our PATH to include /sbin */
+ if (oldpath) {
+ char *newpath;
+
+ newpath = malloc(sizeof (PATH_SET) + 1 + strlen (oldpath));
+ strcpy (newpath, PATH_SET);
+ strcat (newpath, ":");
+ strcat (newpath, oldpath);
+ putenv (newpath);
+ } else
+ putenv (PATH_SET);
+
+ tmp = getenv("MKE2FS_SYNC");
+ if (tmp)
+ sync_kludge = atoi(tmp);
+
+ /* Determine the system page size if possible */
+#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
+#define _SC_PAGESIZE _SC_PAGE_SIZE
+#endif
+#ifdef _SC_PAGESIZE
+ sysval = sysconf(_SC_PAGESIZE);
+ if (sysval > 0)
+ sys_page_size = sysval;
+#endif /* _SC_PAGESIZE */
+
+ setbuf(stdout, NULL);
+ setbuf(stderr, NULL);
+ memset(¶m, 0, sizeof(struct ext2_super_block));
+ param.s_rev_level = 1; /* Create revision 1 filesystems now */
+ param.s_feature_incompat |= EXT2_FEATURE_INCOMPAT_FILETYPE;
+ param.s_feature_ro_compat |= EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+#if 0
+ param.s_feature_compat |= EXT2_FEATURE_COMPAT_DIR_INDEX;
+#endif
+
+#ifdef __linux__
+ if (uname(&ut)) {
+ perror("uname");
+ exit(1);
+ }
+ linux_version_code = parse_version_number(ut.release);
+ if (linux_version_code && linux_version_code < (2*65536 + 2*256)) {
+ param.s_rev_level = 0;
+ param.s_feature_incompat = 0;
+ param.s_feature_compat = 0;
+ param.s_feature_ro_compat = 0;
+ }
+#endif
+
+ if (argc && *argv) {
+ program_name = basename(*argv);
+
+ /* If called as mkfs.ext3, create a journal inode */
+ if (!strcmp(*argv + strlen(*argv) - 9, "mkfs.ext3"))
+ journal_size = -1;
+ }
+
+ while ((c = getopt (argc, argv,
+ "b:cE:f:g:i:jl:m:no:qr:R:s:tvI:J:ST:FL:M:N:O:V")) != EOF) {
+ switch (c) {
+ case 'b':
+ blocksize = strtol(optarg, &tmp, 0);
+ b = (blocksize > 0) ? blocksize : -blocksize;
+ if (b < EXT2_MIN_BLOCK_SIZE ||
+ b > EXT2_MAX_BLOCK_SIZE || *tmp) {
+ bb_error_msg_and_die("bad block size - %s", optarg);
+ }
+ if (blocksize > 4096)
+ bb_error_msg(
+ "Warning: blocksize %d not usable on most systems",
+ blocksize);
+ if (blocksize > 0)
+ param.s_log_block_size =
+ int_log2(blocksize >>
+ EXT2_MIN_BLOCK_LOG_SIZE);
+ break;
+ case 'c': /* Check for bad blocks */
+ case 't': /* deprecated */
+ cflag++;
+ break;
+ case 'f':
+ size = strtoul(optarg, &tmp, 0);
+ if (size < EXT2_MIN_BLOCK_SIZE ||
+ size > EXT2_MAX_BLOCK_SIZE || *tmp) {
+ bb_error_msg_and_die("bad fragment size - %s", optarg);
+ }
+ param.s_log_frag_size =
+ int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
+ bb_error_msg(
+ "Warning: fragments not supported. "
+ "Ignoring -f option");
+ break;
+ case 'g':
+ param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
+ if (*tmp) {
+ bb_error_msg_and_die("Illegal number for blocks per group");
+ }
+ if ((param.s_blocks_per_group % 8) != 0) {
+ bb_error_msg_and_die("blocks per group must be multiple of 8");
+ }
+ break;
+ case 'i':
+ inode_ratio = strtoul(optarg, &tmp, 0);
+ if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
+ inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
+ *tmp) {
+ bb_error_msg_and_die("bad inode ratio %s (min %d/max %d",
+ optarg, EXT2_MIN_BLOCK_SIZE,
+ EXT2_MAX_BLOCK_SIZE);
+ }
+ break;
+ case 'J':
+ parse_journal_opts(&journal_device, &journal_flags, &journal_size, optarg);
+ break;
+ case 'j':
+ param.s_feature_compat |=
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+ if (!journal_size)
+ journal_size = -1;
+ break;
+ case 'l':
+ bad_blocks_filename = xmalloc(strlen(optarg)+1);
+ strcpy(bad_blocks_filename, optarg);
+ break;
+ case 'm':
+ reserved_ratio = strtoul(optarg, &tmp, 0);
+ if (reserved_ratio > 50 || *tmp) {
+ bb_error_msg_and_die("bad reserved blocks percent - %s", optarg);
+ }
+ break;
+ case 'n':
+ noaction++;
+ break;
+ case 'o':
+ creator_os = optarg;
+ break;
+ case 'r':
+ param.s_rev_level = atoi(optarg);
+ if (param.s_rev_level == EXT2_GOOD_OLD_REV) {
+ param.s_feature_incompat = 0;
+ param.s_feature_compat = 0;
+ param.s_feature_ro_compat = 0;
+ }
+ break;
+ case 's': /* deprecated */
+ if (atoi(optarg))
+ param.s_feature_ro_compat |=
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+ else
+ param.s_feature_ro_compat &=
+ ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+ break;
+#ifdef EXT2_DYNAMIC_REV
+ case 'I':
+ inode_size = strtoul(optarg, &tmp, 0);
+ if (*tmp) {
+ bb_error_msg_and_die("bad inode size - %s", optarg);
+ }
+ break;
+#endif
+ case 'N':
+ num_inodes = atoi(optarg);
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ case 'q':
+ quiet = 1;
+ break;
+ case 'F':
+ force = 1;
+ break;
+ case 'L':
+ volume_label = optarg;
+ break;
+ case 'M':
+ mount_dir = optarg;
+ break;
+ case 'O':
+ if (!strcmp(optarg, "none")) {
+ param.s_feature_compat = 0;
+ param.s_feature_incompat = 0;
+ param.s_feature_ro_compat = 0;
+ break;
+ }
+ if (e2p_edit_feature(optarg,
+ ¶m.s_feature_compat,
+ ok_features)) {
+ bb_error_msg_and_die("Invalid filesystem option set: %s", optarg);
+ }
+ break;
+ case 'E':
+ case 'R':
+ extended_opts = optarg;
+ break;
+ case 'S':
+ super_only = 1;
+ break;
+ case 'T':
+ fs_type = optarg;
+ break;
+ case 'V':
+ /* Print version number and exit */
+ show_version_only++;
+ break;
+ default:
+ bb_show_usage();
+ }
+ }
+ if ((optind == argc) && !show_version_only)
+ bb_show_usage();
+ device_name = argv[optind++];
+
+ if (!quiet || show_version_only)
+ bb_error_msg("mke2fs %s (%s)", E2FSPROGS_VERSION,
+ E2FSPROGS_DATE);
+
+ if (show_version_only) {
+ exit(0);
+ }
+
+ /*
+ * If there's no blocksize specified and there is a journal
+ * device, use it to figure out the blocksize
+ */
+ if (blocksize <= 0 && journal_device) {
+ ext2_filsys jfs;
+ io_manager io_ptr;
+
+#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_JOURNAL_DEV_OK, 0,
+ 0, io_ptr, &jfs);
+ if (retval) {
+ bb_error_msg_and_die("Could not open journal device %s", journal_device);
+ }
+ if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
+ bb_error_msg_and_die(
+ "Journal dev blocksize (%d) smaller than "
+ "minimum blocksize %d\n", jfs->blocksize,
+ -blocksize);
+ }
+ blocksize = jfs->blocksize;
+ param.s_log_block_size =
+ int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
+ ext2fs_close(jfs);
+ }
+
+ if (blocksize > sys_page_size) {
+ if (!force) {
+ bb_error_msg("%d-byte blocks too big for system (max %d)",
+ blocksize, sys_page_size);
+ proceed_question();
+ }
+ bb_error_msg(
+ "Warning: %d-byte blocks too big for system "
+ "(max %d), forced to continue",
+ blocksize, sys_page_size);
+ }
+ if ((blocksize > 4096) &&
+ (param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL))
+ bb_error_msg(
+ "\nWarning: some 2.4 kernels do not support "
+ "blocksizes greater than 4096 \n\tusing ext3."
+ " Use -b 4096 if this is an issue for you\n");
+
+ if (optind < argc) {
+ param.s_blocks_count = parse_num_blocks(argv[optind++],
+ param.s_log_block_size);
+ if (!param.s_blocks_count) {
+ bb_error_msg_and_die("bad blocks count - %s", argv[optind - 1]);
+ }
+ }
+ if (optind < argc)
+ bb_show_usage();
+
+ if (param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
+ if (!fs_type)
+ fs_type = "journal";
+ reserved_ratio = 0;
+ param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
+ param.s_feature_compat = 0;
+ param.s_feature_ro_compat = 0;
+ }
+ if (param.s_rev_level == EXT2_GOOD_OLD_REV &&
+ (param.s_feature_compat || param.s_feature_ro_compat ||
+ param.s_feature_incompat))
+ param.s_rev_level = 1; /* Create a revision 1 filesystem */
+
+ if (!force)
+ check_plausibility(device_name);
+ check_mount(device_name, force, _("filesystem"));
+
+ param.s_log_frag_size = param.s_log_block_size;
+
+ if (noaction && param.s_blocks_count) {
+ dev_size = param.s_blocks_count;
+ retval = 0;
+ } else {
+ retry:
+ retval = ext2fs_get_device_size(device_name,
+ EXT2_BLOCK_SIZE(¶m),
+ &dev_size);
+ if ((retval == EFBIG) &&
+ (blocksize == 0) &&
+ (param.s_log_block_size == 0)) {
+ param.s_log_block_size = 2;
+ blocksize = 4096;
+ goto retry;
+ }
+ }
+
+ if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
+ bb_error_msg_and_die("Could not determine filesystem size");
+ }
+ if (!param.s_blocks_count) {
+ if (retval == EXT2_ET_UNIMPLEMENTED) {
+ bb_error_msg_and_die(
+ "Couldn't determine device size; you "
+ "must specify\nthe size of the "
+ "filesystem");
+ } else {
+ if (dev_size == 0) {
+ bb_error_msg_and_die(
+ "Device size reported to be zero. "
+ "Invalid partition specified, or\n\t"
+ "partition table wasn't reread "
+ "after running fdisk, due to\n\t"
+ "a modified partition being busy "
+ "and in use. You may need to reboot\n\t"
+ "to re-read your partition table.\n"
+ );
+ }
+ param.s_blocks_count = dev_size;
+ if (sys_page_size > EXT2_BLOCK_SIZE(¶m))
+ param.s_blocks_count &= ~((sys_page_size /
+ EXT2_BLOCK_SIZE(¶m))-1);
+ }
+
+ } else if (!force && (param.s_blocks_count > dev_size)) {
+ bb_error_msg("Filesystem larger than apparent device size");
+ proceed_question();
+ }
+
+ /*
+ * If the user asked for HAS_JOURNAL, then make sure a journal
+ * gets created.
+ */
+ if ((param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
+ !journal_size)
+ journal_size = -1;
+
+ /* Set first meta blockgroup via an environment variable */
+ /* (this is mostly for debugging purposes) */
+ if ((param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
+ ((tmp = getenv("MKE2FS_FIRST_META_BG"))))
+ param.s_first_meta_bg = atoi(tmp);
+
+ /* Get the hardware sector size, if available */
+ retval = ext2fs_get_device_sectsize(device_name, §or_size);
+ if (retval) {
+ bb_error_msg_and_die("Could not determine hardware sector size");
+ }
+
+ if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL)
+ sector_size = atoi(tmp);
+
+ set_fs_defaults(fs_type, ¶m, blocksize, sector_size, &inode_ratio);
+ blocksize = EXT2_BLOCK_SIZE(¶m);
+
+ if (extended_opts)
+ parse_extended_opts(¶m, extended_opts);
+
+ /* Since sparse_super is the default, we would only have a problem
+ * here if it was explicitly disabled.
+ */
+ if ((param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
+ !(param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
+ bb_error_msg_and_die("reserved online resize blocks not supported "
+ "on non-sparse filesystem");
+ }
+
+ if (param.s_blocks_per_group) {
+ if (param.s_blocks_per_group < 256 ||
+ param.s_blocks_per_group > 8 * (unsigned) blocksize) {
+ bb_error_msg_and_die("blocks per group count out of range");
+ }
+ }
+
+ if (inode_size) {
+ if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
+ inode_size > EXT2_BLOCK_SIZE(¶m) ||
+ inode_size & (inode_size - 1)) {
+ bb_error_msg_and_die("bad inode size %d (min %d/max %d)",
+ inode_size, EXT2_GOOD_OLD_INODE_SIZE,
+ blocksize);
+ }
+ if (inode_size != EXT2_GOOD_OLD_INODE_SIZE)
+ bb_error_msg(
+ "Warning: %d-byte inodes not usable on most systems",
+ inode_size);
+ param.s_inode_size = inode_size;
+ }
+
+ /*
+ * Calculate number of inodes based on the inode ratio
+ */
+ param.s_inodes_count = num_inodes ? num_inodes :
+ ((__u64) param.s_blocks_count * blocksize)
+ / inode_ratio;
+
+ /*
+ * Calculate number of blocks to reserve
+ */
+ param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100;
+}
+
+int mke2fs_main (int argc, char *argv[])
+{
+ errcode_t retval = 0;
+ ext2_filsys fs;
+ badblocks_list bb_list = 0;
+ int journal_blocks;
+ unsigned int i;
+ int val;
+ io_manager io_ptr;
+
+#ifdef ENABLE_NLS
+ setlocale(LC_MESSAGES, "");
+ setlocale(LC_CTYPE, "");
+ bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
+ textdomain(NLS_CAT_NAME);
+#endif
+ PRS(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
+
+ /*
+ * Initialize the superblock....
+ */
+ retval = ext2fs_initialize(device_name, 0, ¶m,
+ io_ptr, &fs);
+ if (retval) {
+ bb_error_msg_and_die("Could not set up superblock");
+ }
+
+ /*
+ * Wipe out the old on-disk superblock
+ */
+ if (!noaction)
+ zap_sector(fs, 2, 6);
+
+ /*
+ * Generate a UUID for it...
+ */
+ uuid_generate(fs->super->s_uuid);
+
+ /*
+ * Initialize the directory index variables
+ */
+ fs->super->s_def_hash_version = EXT2_HASH_TEA;
+ uuid_generate((unsigned char *) fs->super->s_hash_seed);
+
+ /*
+ * Add "jitter" to the superblock's check interval so that we
+ * don't check all the filesystems at the same time. We use a
+ * kludgy hack of using the UUID to derive a random jitter value.
+ */
+ for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
+ val += fs->super->s_uuid[i];
+ fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
+
+ /*
+ * Override the creator OS, if applicable
+ */
+ if (creator_os && !set_os(fs->super, creator_os)) {
+ bb_error_msg_and_die("unknown os - %s", creator_os);
+ }
+
+ /*
+ * For the Hurd, we will turn off filetype since it doesn't
+ * support it.
+ */
+ if (fs->super->s_creator_os == EXT2_OS_HURD)
+ fs->super->s_feature_incompat &=
+ ~EXT2_FEATURE_INCOMPAT_FILETYPE;
+
+ /*
+ * Set the volume label...
+ */
+ if (volume_label) {
+ memset(fs->super->s_volume_name, 0,
+ sizeof(fs->super->s_volume_name));
+ strncpy(fs->super->s_volume_name, volume_label,
+ sizeof(fs->super->s_volume_name));
+ }
+
+ /*
+ * Set the last mount directory
+ */
+ if (mount_dir) {
+ memset(fs->super->s_last_mounted, 0,
+ sizeof(fs->super->s_last_mounted));
+ strncpy(fs->super->s_last_mounted, mount_dir,
+ sizeof(fs->super->s_last_mounted));
+ }
+
+ if (!quiet || noaction)
+ show_stats(fs);
+
+ if (noaction)
+ exit(0);
+
+ if (fs->super->s_feature_incompat &
+ EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
+ create_journal_dev(fs);
+ exit(ext2fs_close(fs) ? 1 : 0);
+ }
+
+ if (bad_blocks_filename)
+ read_bb_file(fs, &bb_list, bad_blocks_filename);
+ if (cflag)
+ test_disk(fs, &bb_list);
+
+ handle_bad_blocks(fs, bb_list);
+ fs->stride = fs_stride;
+ retval = ext2fs_allocate_tables(fs);
+ if (retval) {
+ bb_error_msg_and_die("Could not allocate filesystem tables");
+ }
+ if (super_only) {
+ fs->super->s_state |= EXT2_ERROR_FS;
+ fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
+ } else {
+ /* rsv must be a power of two (64kB is MD RAID sb alignment) */
+ unsigned int rsv = 65536 / fs->blocksize;
+ unsigned long blocks = fs->super->s_blocks_count;
+ unsigned long start;
+ blk_t ret_blk;
+
+#ifdef ZAP_BOOTBLOCK
+ zap_sector(fs, 0, 2);
+#endif
+
+ /*
+ * Wipe out any old MD RAID (or other) metadata at the end
+ * of the device. This will also verify that the device is
+ * as large as we think. Be careful with very small devices.
+ */
+ start = (blocks & ~(rsv - 1));
+ if (start > rsv)
+ start -= rsv;
+ if (start > 0)
+ retval = zero_blocks(fs, start, blocks - start,
+ NULL, &ret_blk, NULL);
+
+ if (retval) {
+ bb_error_msg("Could not zero block %u at end of filesystem", ret_blk);
+ }
+ write_inode_tables(fs);
+ create_root_dir(fs);
+ create_lost_and_found(fs);
+ reserve_inodes(fs);
+ create_bad_block_inode(fs, bb_list);
+ if (fs->super->s_feature_compat &
+ EXT2_FEATURE_COMPAT_RESIZE_INODE) {
+ retval = ext2fs_create_resize_inode(fs);
+ if (retval) {
+ bb_error_msg_and_die("Could not reserve blocks for online resize");
+ }
+ }
+ }
+
+ if (journal_device) {
+ ext2_filsys jfs;
+
+ if (!force)
+ check_plausibility(journal_device);
+ check_mount(journal_device, force, _("journal"));
+
+ retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
+ EXT2_FLAG_JOURNAL_DEV_OK, 0,
+ fs->blocksize, unix_io_manager, &jfs);
+ if (retval) {
+ bb_error_msg_and_die("Could not open journal device %s", journal_device);
+ }
+ if (!quiet) {
+ printf("Adding journal to device %s: ", journal_device);
+ fflush(stdout);
+ }
+ retval = ext2fs_add_journal_device(fs, jfs);
+ if(retval) {
+ bb_error_msg_and_die("Could not add journal to device %s", journal_device);
+ }
+ if (!quiet)
+ printf("done\n");
+ ext2fs_close(jfs);
+ free(journal_device);
+ } else if (journal_size) {
+ journal_blocks = figure_journal_size(journal_size, fs);
+
+ if (!journal_blocks) {
+ fs->super->s_feature_compat &=
+ ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+ goto no_journal;
+ }
+ if (!quiet) {
+ printf("Creating journal (%d blocks): ",
+ journal_blocks);
+ fflush(stdout);
+ }
+ retval = ext2fs_add_journal_inode(fs, journal_blocks,
+ journal_flags);
+ if (retval) {
+ bb_error_msg_and_die("Could not create journal");
+ }
+ if (!quiet)
+ printf("done\n");
+ }
+no_journal:
+
+ if (!quiet)
+ printf("Writing superblocks and "
+ "filesystem accounting information: ");
+ retval = ext2fs_flush(fs);
+ if (retval) {
+ bb_error_msg("\nWarning, had trouble writing out superblocks");
+ }
+ if (!quiet) {
+ printf("done\n\n");
+ if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
+ print_check_message(fs);
+ }
+ val = ext2fs_close(fs);
+ return (retval || val) ? 1 : 0;
+}
projects / oweals / busybox.git / commitdiff