| /* |
| * 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 :-). |
| */ |
| |
| #define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX in Solaris */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <strings.h> |
| #include <fcntl.h> |
| #include <ctype.h> |
| #include <time.h> |
| #ifdef __linux__ |
| #include <sys/utsname.h> |
| #endif |
| #ifdef HAVE_GETOPT_H |
| #include <getopt.h> |
| #else |
| extern char *optarg; |
| extern int optind; |
| #endif |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| #ifdef HAVE_ERRNO_H |
| #include <errno.h> |
| #endif |
| #ifdef HAVE_MNTENT_H |
| #include <mntent.h> |
| #endif |
| #include <sys/ioctl.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <libgen.h> |
| #include <limits.h> |
| #include <blkid/blkid.h> |
| |
| #include "ext2fs/ext2_fs.h" |
| #include "et/com_err.h" |
| #include "uuid/uuid.h" |
| #include "e2p/e2p.h" |
| #include "ext2fs/ext2fs.h" |
| #include "util.h" |
| #include "profile.h" |
| #include "prof_err.h" |
| #include "../version.h" |
| #include "nls-enable.h" |
| |
| #define STRIDE_LENGTH 8 |
| |
| #ifndef __sparc__ |
| #define ZAP_BOOTBLOCK |
| #endif |
| |
| #ifndef ROOT_SYSCONFDIR |
| #define ROOT_SYSCONFDIR "/etc" |
| #endif |
| |
| extern int isatty(int); |
| extern FILE *fpopen(const char *cmd, const char *mode); |
| |
| const char * program_name = "mke2fs"; |
| const char * device_name /* = NULL */; |
| |
| /* Command line options */ |
| int cflag; |
| int verbose; |
| int quiet; |
| int super_only; |
| int discard = 1; /* attempt to discard device before fs creation */ |
| int force; |
| int noaction; |
| int journal_size; |
| int journal_flags; |
| int lazy_itable_init; |
| char *bad_blocks_filename; |
| __u32 fs_stride; |
| |
| struct ext2_super_block fs_param; |
| char *fs_uuid = NULL; |
| char *creator_os; |
| char *volume_label; |
| char *mount_dir; |
| char *journal_device; |
| int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ |
| char **fs_types; |
| |
| profile_t profile; |
| |
| int sys_page_size = 4096; |
| int linux_version_code = 0; |
| |
| static void usage(void) |
| { |
| fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " |
| "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] " |
| "[-J journal-options]\n" |
| "\t[-G meta group size] [-N number-of-inodes]\n" |
| "\t[-m reserved-blocks-percentage] [-o creator-os]\n" |
| "\t[-g blocks-per-group] [-L volume-label] " |
| "[-M last-mounted-directory]\n\t[-O feature[,...]] " |
| "[-r fs-revision] [-E extended-option[,...]]\n" |
| "\t[-T fs-type] [-U UUID] [-jnqvFKSV] device [blocks-count]\n"), |
| program_name); |
| exit(1); |
| } |
| |
| 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); |
| } |
| |
| /* |
| * Helper function for read_bb_file and test_disk |
| */ |
| static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) |
| { |
| fprintf(stderr, _("Bad block %u out of range; ignored.\n"), 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) { |
| com_err("read_bad_blocks_file", errno, |
| _("while trying to open %s"), bad_blocks_file); |
| exit(1); |
| } |
| retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); |
| fclose (f); |
| if (retval) { |
| com_err("ext2fs_read_bb_FILE", retval, |
| _("while reading in list of bad blocks from file")); |
| exit(1); |
| } |
| } |
| |
| /* |
| * 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 -X %s%s%s %u", fs->blocksize, |
| quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", |
| fs->device_name, fs->super->s_blocks_count-1); |
| if (verbose) |
| printf(_("Running command: %s\n"), buf); |
| f = popen(buf, "r"); |
| if (!f) { |
| com_err("popen", errno, |
| _("while trying to run '%s'"), buf); |
| exit(1); |
| } |
| retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); |
| pclose(f); |
| if (retval) { |
| com_err("ext2fs_read_bb_FILE", retval, |
| _("while processing list of bad blocks from program")); |
| exit(1); |
| } |
| } |
| |
| 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)) { |
| fprintf(stderr, _("Block %d in primary " |
| "superblock/group descriptor area bad.\n"), i); |
| fprintf(stderr, _("Blocks %u through %u must be good " |
| "in order to build a filesystem.\n"), |
| fs->super->s_first_data_block, must_be_good); |
| fputs(_("Aborting....\n"), stderr); |
| exit(1); |
| } |
| } |
| |
| /* |
| * 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) |
| fprintf(stderr, |
| _("Warning: the backup superblock/group descriptors at block %u contain\n" |
| " bad blocks.\n\n"), |
| group_block); |
| group_bad++; |
| group = ext2fs_group_of_blk(fs, group_block+j); |
| fs->group_desc[group].bg_free_blocks_count++; |
| ext2fs_group_desc_csum_set(fs, group); |
| 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) { |
| com_err("ext2fs_badblocks_list_iterate_begin", retval, |
| _("while marking bad blocks as used")); |
| exit(1); |
| } |
| 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); |
| } |
| |
| static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed) |
| { |
| errcode_t retval; |
| blk_t blk; |
| dgrp_t i; |
| int num, ipb; |
| 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; |
| |
| if (lazy_flag) { |
| ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super); |
| num = ((((fs->super->s_inodes_per_group - |
| fs->group_desc[i].bg_itable_unused) * |
| EXT2_INODE_SIZE(fs->super)) + |
| EXT2_BLOCK_SIZE(fs->super) - 1) / |
| EXT2_BLOCK_SIZE(fs->super)); |
| } |
| if (!lazy_flag || itable_zeroed) { |
| /* The kernel doesn't need to zero the itable blocks */ |
| fs->group_desc[i].bg_flags |= EXT2_BG_INODE_ZEROED; |
| ext2fs_group_desc_csum_set(fs, i); |
| } |
| retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num); |
| if (retval) { |
| fprintf(stderr, _("\nCould not write %d " |
| "blocks in inode table starting at %u: %s\n"), |
| num, blk, error_message(retval)); |
| exit(1); |
| } |
| if (sync_kludge) { |
| if (sync_kludge == 1) |
| sync(); |
| else if ((i % sync_kludge) == 0) |
| sync(); |
| } |
| } |
| ext2fs_zero_blocks(0, 0, 0, 0, 0); |
| progress_close(&progress); |
| } |
| |
| static void create_root_dir(ext2_filsys fs) |
| { |
| errcode_t retval; |
| struct ext2_inode inode; |
| __u32 uid, gid; |
| |
| retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); |
| if (retval) { |
| com_err("ext2fs_mkdir", retval, _("while creating root dir")); |
| exit(1); |
| } |
| if (geteuid()) { |
| retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); |
| if (retval) { |
| com_err("ext2fs_read_inode", retval, |
| _("while reading root inode")); |
| exit(1); |
| } |
| uid = getuid(); |
| inode.i_uid = uid; |
| ext2fs_set_i_uid_high(inode, uid >> 16); |
| if (uid) { |
| gid = getgid(); |
| inode.i_gid = gid; |
| ext2fs_set_i_gid_high(inode, gid >> 16); |
| } |
| retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); |
| if (retval) { |
| com_err("ext2fs_write_inode", retval, |
| _("while setting root inode ownership")); |
| exit(1); |
| } |
| } |
| } |
| |
| static void create_lost_and_found(ext2_filsys fs) |
| { |
| unsigned int lpf_size = 0; |
| errcode_t retval; |
| ext2_ino_t ino; |
| const char *name = "lost+found"; |
| int i; |
| |
| fs->umask = 077; |
| retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); |
| if (retval) { |
| com_err("ext2fs_mkdir", retval, |
| _("while creating /lost+found")); |
| exit(1); |
| } |
| |
| retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); |
| if (retval) { |
| com_err("ext2_lookup", retval, |
| _("while looking up /lost+found")); |
| exit(1); |
| } |
| |
| for (i=1; i < EXT2_NDIR_BLOCKS; i++) { |
| /* Ensure that lost+found is at least 2 blocks, so we always |
| * test large empty blocks for big-block filesystems. */ |
| if ((lpf_size += fs->blocksize) >= 16*1024 && |
| lpf_size >= 2 * fs->blocksize) |
| break; |
| retval = ext2fs_expand_dir(fs, ino); |
| if (retval) { |
| com_err("ext2fs_expand_dir", retval, |
| _("while expanding /lost+found")); |
| exit(1); |
| } |
| } |
| } |
| |
| 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); |
| ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); |
| retval = ext2fs_update_bb_inode(fs, bb_list); |
| if (retval) { |
| com_err("ext2fs_update_bb_inode", retval, |
| _("while setting bad block inode")); |
| exit(1); |
| } |
| |
| } |
| |
| static void reserve_inodes(ext2_filsys fs) |
| { |
| ext2_ino_t i; |
| |
| for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) |
| ext2fs_inode_alloc_stats2(fs, i, +1, 0); |
| 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) |
| fprintf(stderr, |
| _("Warning: could not read block 0: %s\n"), |
| error_message(retval)); |
| 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) |
| fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), |
| sect, error_message(retval)); |
| } |
| |
| static void create_journal_dev(ext2_filsys fs) |
| { |
| struct progress_struct progress; |
| errcode_t retval; |
| char *buf; |
| blk_t blk, err_blk; |
| int c, count, err_count; |
| |
| retval = ext2fs_create_journal_superblock(fs, |
| fs->super->s_blocks_count, 0, &buf); |
| if (retval) { |
| com_err("create_journal_dev", retval, |
| _("while initializing journal superblock")); |
| exit(1); |
| } |
| if (quiet) |
| memset(&progress, 0, sizeof(progress)); |
| else |
| progress_init(&progress, _("Zeroing journal device: "), |
| fs->super->s_blocks_count); |
| |
| blk = 0; |
| count = fs->super->s_blocks_count; |
| while (count > 0) { |
| if (count > 1024) |
| c = 1024; |
| else |
| c = count; |
| retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count); |
| if (retval) { |
| com_err("create_journal_dev", retval, |
| _("while zeroing journal device " |
| "(block %u, count %d)"), |
| err_blk, err_count); |
| exit(1); |
| } |
| blk += c; |
| count -= c; |
| progress_update(&progress, blk); |
| } |
| ext2fs_zero_blocks(0, 0, 0, 0, 0); |
| |
| retval = io_channel_write_blk(fs->io, |
| fs->super->s_first_data_block+1, |
| 1, buf); |
| if (retval) { |
| com_err("create_journal_dev", retval, |
| _("while writing journal superblock")); |
| exit(1); |
| } |
| 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 (fs_param.s_blocks_count != s->s_blocks_count) |
| fprintf(stderr, _("warning: %u blocks unused.\n\n"), |
| fs_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(_("Stride=%u blocks, Stripe width=%u blocks\n"), |
| s->s_raid_stride, s->s_raid_stripe_width); |
| 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) * |
| EXT2_DESC_PER_BLOCK(s) * 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, "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 *param, |
| const char *opts) |
| { |
| char *buf, *token, *next, *p, *arg, *badopt = 0; |
| int len; |
| int r_usage = 0; |
| |
| len = strlen(opts); |
| buf = malloc(len+1); |
| if (!buf) { |
| fprintf(stderr, |
| _("Couldn't allocate memory to parse options!\n")); |
| exit(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++; |
| badopt = token; |
| continue; |
| } |
| param->s_raid_stride = strtoul(arg, &p, 0); |
| if (*p || (param->s_raid_stride == 0)) { |
| fprintf(stderr, |
| _("Invalid stride parameter: %s\n"), |
| arg); |
| r_usage++; |
| continue; |
| } |
| } else if (strcmp(token, "stripe-width") == 0 || |
| strcmp(token, "stripe_width") == 0) { |
| if (!arg) { |
| r_usage++; |
| badopt = token; |
| continue; |
| } |
| param->s_raid_stripe_width = strtoul(arg, &p, 0); |
| if (*p || (param->s_raid_stripe_width == 0)) { |
| fprintf(stderr, |
| _("Invalid stripe-width parameter: %s\n"), |
| arg); |
| 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++; |
| badopt = token; |
| continue; |
| } |
| |
| resize = parse_num_blocks(arg, |
| param->s_log_block_size); |
| |
| if (resize == 0) { |
| fprintf(stderr, |
| _("Invalid resize parameter: %s\n"), |
| arg); |
| r_usage++; |
| continue; |
| } |
| if (resize <= param->s_blocks_count) { |
| fprintf(stderr, |
| _("The resize maximum must be greater " |
| "than the filesystem size.\n")); |
| r_usage++; |
| continue; |
| } |
| |
| blocksize = EXT2_BLOCK_SIZE(param); |
| bpg = param->s_blocks_per_group; |
| if (!bpg) |
| bpg = blocksize * 8; |
| gdpb = EXT2_DESC_PER_BLOCK(param); |
| group_desc_count = |
| ext2fs_div_ceil(param->s_blocks_count, bpg); |
| desc_blocks = (group_desc_count + |
| gdpb - 1) / gdpb; |
| rsv_groups = ext2fs_div_ceil(resize, bpg); |
| rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - |
| desc_blocks; |
| if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) |
| rsv_gdb = EXT2_ADDR_PER_BLOCK(param); |
| |
| if (rsv_gdb > 0) { |
| if (param->s_rev_level == EXT2_GOOD_OLD_REV) { |
| fprintf(stderr, |
| _("On-line resizing not supported with revision 0 filesystems\n")); |
| free(buf); |
| exit(1); |
| } |
| param->s_feature_compat |= |
| EXT2_FEATURE_COMPAT_RESIZE_INODE; |
| |
| param->s_reserved_gdt_blocks = rsv_gdb; |
| } |
| } else if (!strcmp(token, "test_fs")) { |
| param->s_flags |= EXT2_FLAGS_TEST_FILESYS; |
| } else if (!strcmp(token, "lazy_itable_init")) { |
| if (arg) |
| lazy_itable_init = strtoul(arg, &p, 0); |
| else |
| lazy_itable_init = 1; |
| } else if (!strcmp(token, "discard")) { |
| discard = 1; |
| } else if (!strcmp(token, "nodiscard")) { |
| discard = 0; |
| } else { |
| r_usage++; |
| badopt = token; |
| } |
| } |
| if (r_usage) { |
| fprintf(stderr, _("\nBad option(s) specified: %s\n\n" |
| "Extended options are separated by commas, " |
| "and may take an argument which\n" |
| "\tis set off by an equals ('=') sign.\n\n" |
| "Valid extended options are:\n" |
| "\tstride=<RAID per-disk data chunk in blocks>\n" |
| "\tstripe-width=<RAID stride * data disks in blocks>\n" |
| "\tresize=<resize maximum size in blocks>\n" |
| "\tlazy_itable_init=<0 to disable, 1 to enable>\n" |
| "\ttest_fs\n" |
| "\tdiscard\n" |
| "\tnodiscard\n\n"), |
| badopt ? badopt : ""); |
| free(buf); |
| exit(1); |
| } |
| if (param->s_raid_stride && |
| (param->s_raid_stripe_width % param->s_raid_stride) != 0) |
| fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " |
| "multiple of stride %u.\n\n"), |
| param->s_raid_stripe_width, param->s_raid_stride); |
| |
| free(buf); |
| } |
| |
| static __u32 ok_features[3] = { |
| /* Compat */ |
| EXT3_FEATURE_COMPAT_HAS_JOURNAL | |
| EXT2_FEATURE_COMPAT_RESIZE_INODE | |
| EXT2_FEATURE_COMPAT_DIR_INDEX | |
| EXT2_FEATURE_COMPAT_EXT_ATTR, |
| /* Incompat */ |
| EXT2_FEATURE_INCOMPAT_FILETYPE| |
| EXT3_FEATURE_INCOMPAT_EXTENTS| |
| EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| |
| EXT2_FEATURE_INCOMPAT_META_BG| |
| EXT4_FEATURE_INCOMPAT_FLEX_BG, |
| /* R/O compat */ |
| EXT2_FEATURE_RO_COMPAT_LARGE_FILE| |
| EXT4_FEATURE_RO_COMPAT_HUGE_FILE| |
| EXT4_FEATURE_RO_COMPAT_DIR_NLINK| |
| EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| |
| EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| |
| EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
| }; |
| |
| |
| static void syntax_err_report(const char *filename, long err, int line_num) |
| { |
| fprintf(stderr, |
| _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), |
| filename, line_num, error_message(err)); |
| exit(1); |
| } |
| |
| static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; |
| |
| static void edit_feature(const char *str, __u32 *compat_array) |
| { |
| if (!str) |
| return; |
| |
| if (e2p_edit_feature(str, compat_array, ok_features)) { |
| fprintf(stderr, _("Invalid filesystem option set: %s\n"), |
| str); |
| exit(1); |
| } |
| } |
| |
| struct str_list { |
| char **list; |
| int num; |
| int max; |
| }; |
| |
| static errcode_t init_list(struct str_list *sl) |
| { |
| sl->num = 0; |
| sl->max = 0; |
| sl->list = malloc((sl->max+1) * sizeof(char *)); |
| if (!sl->list) |
| return ENOMEM; |
| sl->list[0] = 0; |
| return 0; |
| } |
| |
| static errcode_t push_string(struct str_list *sl, const char *str) |
| { |
| char **new_list; |
| |
| if (sl->num >= sl->max) { |
| sl->max += 2; |
| new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); |
| if (!new_list) |
| return ENOMEM; |
| sl->list = new_list; |
| } |
| sl->list[sl->num] = malloc(strlen(str)+1); |
| if (sl->list[sl->num] == 0) |
| return ENOMEM; |
| strcpy(sl->list[sl->num], str); |
| sl->num++; |
| sl->list[sl->num] = 0; |
| return 0; |
| } |
| |
| static void print_str_list(char **list) |
| { |
| char **cpp; |
| |
| for (cpp = list; *cpp; cpp++) { |
| printf("'%s'", *cpp); |
| if (cpp[1]) |
| fputs(", ", stdout); |
| } |
| fputc('\n', stdout); |
| } |
| |
| /* |
| * Return TRUE if the profile has the given subsection |
| */ |
| static int profile_has_subsection(profile_t profile, const char *section, |
| const char *subsection) |
| { |
| void *state; |
| const char *names[4]; |
| char *name; |
| int ret = 0; |
| |
| names[0] = section; |
| names[1] = subsection; |
| names[2] = 0; |
| |
| if (profile_iterator_create(profile, names, |
| PROFILE_ITER_LIST_SECTION | |
| PROFILE_ITER_RELATIONS_ONLY, &state)) |
| return 0; |
| |
| if ((profile_iterator(&state, &name, 0) == 0) && name) { |
| free(name); |
| ret = 1; |
| } |
| |
| profile_iterator_free(&state); |
| return ret; |
| } |
| |
| static char **parse_fs_type(const char *fs_type, |
| const char *usage_types, |
| struct ext2_super_block *fs_param, |
| char *progname) |
| { |
| const char *ext_type = 0; |
| char *parse_str; |
| char *profile_type = 0; |
| char *cp, *t; |
| const char *size_type; |
| struct str_list list; |
| unsigned long meg; |
| int is_hurd = 0; |
| |
| if (init_list(&list)) |
| return 0; |
| |
| if (creator_os && (!strcasecmp(creator_os, "GNU") || |
| !strcasecmp(creator_os, "hurd"))) |
| is_hurd = 1; |
| |
| if (fs_type) |
| ext_type = fs_type; |
| else if (is_hurd) |
| ext_type = "ext2"; |
| else if (!strcmp(program_name, "mke3fs")) |
| ext_type = "ext3"; |
| else if (progname) { |
| ext_type = strrchr(progname, '/'); |
| if (ext_type) |
| ext_type++; |
| else |
| ext_type = progname; |
| |
| if (!strncmp(ext_type, "mkfs.", 5)) { |
| ext_type += 5; |
| if (ext_type[0] == 0) |
| ext_type = 0; |
| } else |
| ext_type = 0; |
| } |
| |
| if (!ext_type) { |
| profile_get_string(profile, "defaults", "fs_type", 0, |
| "ext2", &profile_type); |
| ext_type = profile_type; |
| if (!strcmp(ext_type, "ext2") && (journal_size != 0)) |
| ext_type = "ext3"; |
| } |
| |
| |
| if (!profile_has_subsection(profile, "fs_types", ext_type) && |
| strcmp(ext_type, "ext2")) { |
| printf(_("\nYour mke2fs.conf file does not define the " |
| "%s filesystem type.\n"), ext_type); |
| if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || |
| !strcmp(ext_type, "ext4dev")) { |
| printf(_("You probably need to install an updated " |
| "mke2fs.conf file.\n\n")); |
| } |
| if (!force) { |
| printf(_("Aborting...\n")); |
| exit(1); |
| } |
| } |
| |
| meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param); |
| if (fs_param->s_blocks_count < 3 * meg) |
| size_type = "floppy"; |
| else if (fs_param->s_blocks_count < 512 * meg) |
| size_type = "small"; |
| else |
| size_type = "default"; |
| |
| if (!usage_types) |
| usage_types = size_type; |
| |
| parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1); |
| if (!parse_str) { |
| free(list.list); |
| return 0; |
| } |
| if (usage_types) |
| strcpy(parse_str, usage_types); |
| else |
| *parse_str = '\0'; |
| |
| if (ext_type) |
| push_string(&list, ext_type); |
| cp = parse_str; |
| while (1) { |
| t = strchr(cp, ','); |
| if (t) |
| *t = '\0'; |
| |
| if (*cp) { |
| if (profile_has_subsection(profile, "fs_types", cp)) |
| push_string(&list, cp); |
| else if (strcmp(cp, "default") != 0) |
| fprintf(stderr, |
| _("\nWarning: the fs_type %s is not " |
| "defined in mke2fs.conf\n\n"), |
| cp); |
| } |
| if (t) |
| cp = t+1; |
| else { |
| cp = ""; |
| break; |
| } |
| } |
| free(parse_str); |
| free(profile_type); |
| if (is_hurd) |
| push_string(&list, "hurd"); |
| return (list.list); |
| } |
| |
| static char *get_string_from_profile(char **fs_types, const char *opt, |
| const char *def_val) |
| { |
| char *ret = 0; |
| int i; |
| |
| for (i=0; fs_types[i]; i++); |
| for (i-=1; i >=0 ; i--) { |
| profile_get_string(profile, "fs_types", fs_types[i], |
| opt, 0, &ret); |
| if (ret) |
| return ret; |
| } |
| profile_get_string(profile, "defaults", opt, 0, def_val, &ret); |
| return (ret); |
| } |
| |
| static int get_int_from_profile(char **fs_types, const char *opt, int def_val) |
| { |
| int ret; |
| char **cpp; |
| |
| profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); |
| for (cpp = fs_types; *cpp; cpp++) |
| profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); |
| return ret; |
| } |
| |
| static int get_bool_from_profile(char **fs_types, const char *opt, int def_val) |
| { |
| int ret; |
| char **cpp; |
| |
| profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); |
| for (cpp = fs_types; *cpp; cpp++) |
| profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); |
| return ret; |
| } |
| |
| extern const char *mke2fs_default_profile; |
| static const char *default_files[] = { "<default>", 0 }; |
| |
| #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY |
| /* |
| * Sets the geometry of a device (stripe/stride), and returns the |
| * device's alignment offset, if any, or a negative error. |
| */ |
| static int get_device_geometry(const char *file, |
| struct ext2_super_block *fs_param, |
| int psector_size) |
| { |
| int rc = -1; |
| int blocksize; |
| blkid_probe pr; |
| blkid_topology tp; |
| unsigned long min_io; |
| unsigned long opt_io; |
| struct stat statbuf; |
| |
| /* Nothing to do for a regular file */ |
| if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode)) |
| return 0; |
| |
| pr = blkid_new_probe_from_filename(file); |
| if (!pr) |
| goto out; |
| |
| tp = blkid_probe_get_topology(pr); |
| if (!tp) |
| goto out; |
| |
| min_io = blkid_topology_get_minimum_io_size(tp); |
| opt_io = blkid_topology_get_optimal_io_size(tp); |
| blocksize = EXT2_BLOCK_SIZE(fs_param); |
| if ((min_io == 0) && (psector_size > blocksize)) |
| min_io = psector_size; |
| if ((opt_io == 0) && min_io) |
| opt_io = min_io; |
| if ((opt_io == 0) && (psector_size > blocksize)) |
| opt_io = psector_size; |
| |
| fs_param->s_raid_stride = min_io / blocksize; |
| fs_param->s_raid_stripe_width = opt_io / blocksize; |
| |
| rc = blkid_topology_get_alignment_offset(tp); |
| out: |
| blkid_free_probe(pr); |
| return rc; |
| } |
| #endif |
| |
| static void PRS(int argc, char *argv[]) |
| { |
| int b, c; |
| int size; |
| char *tmp, **cpp; |
| int blocksize = 0; |
| int inode_ratio = 0; |
| int inode_size = 0; |
| unsigned long flex_bg_size = 0; |
| double reserved_ratio = 5.0; |
| int lsector_size = 0, psector_size = 0; |
| int show_version_only = 0; |
| unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ |
| errcode_t retval; |
| char * oldpath = getenv("PATH"); |
| char * extended_opts = 0; |
| const char * fs_type = 0; |
| const char * usage_types = 0; |
| blk_t dev_size; |
| #ifdef __linux__ |
| struct utsname ut; |
| #endif |
| long sysval; |
| int s_opt = -1, r_opt = -1; |
| char *fs_features = 0; |
| int use_bsize; |
| char *newpath; |
| int pathlen = sizeof(PATH_SET) + 1; |
| |
| if (oldpath) |
| pathlen += strlen(oldpath); |
| newpath = malloc(pathlen); |
| strcpy(newpath, PATH_SET); |
| |
| /* Update our PATH to include /sbin */ |
| if (oldpath) { |
| strcat (newpath, ":"); |
| strcat (newpath, oldpath); |
| } |
| putenv (newpath); |
| |
| tmp = getenv("MKE2FS_SYNC"); |
| if (tmp) |
| sync_kludge = atoi(tmp); |
| |
| /* Determine the system page size if possible */ |
| #ifdef HAVE_SYSCONF |
| #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 */ |
| #endif /* HAVE_SYSCONF */ |
| |
| if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) |
| config_fn[0] = tmp; |
| profile_set_syntax_err_cb(syntax_err_report); |
| retval = profile_init(config_fn, &profile); |
| if (retval == ENOENT) { |
| profile_init(default_files, &profile); |
| profile_set_default(profile, mke2fs_default_profile); |
| } |
| |
| setbuf(stdout, NULL); |
| setbuf(stderr, NULL); |
| add_error_table(&et_ext2_error_table); |
| add_error_table(&et_prof_error_table); |
| memset(&fs_param, 0, sizeof(struct ext2_super_block)); |
| fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ |
| |
| #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)) |
| fs_param.s_rev_level = 0; |
| #endif |
| |
| if (argc && *argv) { |
| program_name = get_progname(*argv); |
| |
| /* If called as mkfs.ext3, create a journal inode */ |
| if (!strcmp(program_name, "mkfs.ext3") || |
| !strcmp(program_name, "mke3fs")) |
| journal_size = -1; |
| } |
| |
| while ((c = getopt (argc, argv, |
| "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:KL:M:N:O:R:ST:U: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) { |
| com_err(program_name, 0, |
| _("invalid block size - %s"), optarg); |
| exit(1); |
| } |
| if (blocksize > 4096) |
| fprintf(stderr, _("Warning: blocksize %d not " |
| "usable on most systems.\n"), |
| blocksize); |
| if (blocksize > 0) |
| fs_param.s_log_block_size = |
| int_log2(blocksize >> |
| EXT2_MIN_BLOCK_LOG_SIZE); |
| break; |
| case 'c': /* Check for bad blocks */ |
| cflag++; |
| break; |
| case 'f': |
| size = strtoul(optarg, &tmp, 0); |
| if (size < EXT2_MIN_BLOCK_SIZE || |
| size > EXT2_MAX_BLOCK_SIZE || *tmp) { |
| com_err(program_name, 0, |
| _("invalid fragment size - %s"), |
| optarg); |
| exit(1); |
| } |
| fs_param.s_log_frag_size = |
| int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); |
| fprintf(stderr, _("Warning: fragments not supported. " |
| "Ignoring -f option\n")); |
| break; |
| case 'g': |
| fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); |
| if (*tmp) { |
| com_err(program_name, 0, |
| _("Illegal number for blocks per group")); |
| exit(1); |
| } |
| if ((fs_param.s_blocks_per_group % 8) != 0) { |
| com_err(program_name, 0, |
| _("blocks per group must be multiple of 8")); |
| exit(1); |
| } |
| break; |
| case 'G': |
| flex_bg_size = strtoul(optarg, &tmp, 0); |
| if (*tmp) { |
| com_err(program_name, 0, |
| _("Illegal number for flex_bg size")); |
| exit(1); |
| } |
| if (flex_bg_size < 1 || |
| (flex_bg_size & (flex_bg_size-1)) != 0) { |
| com_err(program_name, 0, |
| _("flex_bg size must be a power of 2")); |
| exit(1); |
| } |
| break; |
| case 'i': |
| inode_ratio = strtoul(optarg, &tmp, 0); |
| if (inode_ratio < EXT2_MIN_BLOCK_SIZE || |
| inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || |
| *tmp) { |
| com_err(program_name, 0, |
| _("invalid inode ratio %s (min %d/max %d)"), |
| optarg, EXT2_MIN_BLOCK_SIZE, |
| EXT2_MAX_BLOCK_SIZE * 1024); |
| exit(1); |
| } |
| break; |
| case 'J': |
| parse_journal_opts(optarg); |
| break; |
| case 'K': |
| fprintf(stderr, _("Warning: -K option is deprecated and " |
| "should not be used anymore. Use " |
| "\'-E nodiscard\' extended option " |
| "instead!\n")); |
| discard = 0; |
| break; |
| case 'j': |
| if (!journal_size) |
| journal_size = -1; |
| break; |
| case 'l': |
| bad_blocks_filename = malloc(strlen(optarg)+1); |
| if (!bad_blocks_filename) { |
| com_err(program_name, ENOMEM, |
| _("in malloc for bad_blocks_filename")); |
| exit(1); |
| } |
| strcpy(bad_blocks_filename, optarg); |
| break; |
| case 'm': |
| reserved_ratio = strtod(optarg, &tmp); |
| if ( *tmp || reserved_ratio > 50 || |
| reserved_ratio < 0) { |
| com_err(program_name, 0, |
| _("invalid reserved blocks percent - %s"), |
| optarg); |
| exit(1); |
| } |
| break; |
| case 'n': |
| noaction++; |
| break; |
| case 'o': |
| creator_os = optarg; |
| break; |
| case 'q': |
| quiet = 1; |
| break; |
| case 'r': |
| r_opt = strtoul(optarg, &tmp, 0); |
| if (*tmp) { |
| com_err(program_name, 0, |
| _("bad revision level - %s"), optarg); |
| exit(1); |
| } |
| fs_param.s_rev_level = r_opt; |
| break; |
| case 's': /* deprecated */ |
| s_opt = atoi(optarg); |
| break; |
| case 'I': |
| inode_size = strtoul(optarg, &tmp, 0); |
| if (*tmp) { |
| com_err(program_name, 0, |
| _("invalid inode size - %s"), optarg); |
| exit(1); |
| } |
| break; |
| case 'v': |
| verbose = 1; |
| break; |
| case 'F': |
| force++; |
| break; |
| case 'L': |
| volume_label = optarg; |
| break; |
| case 'M': |
| mount_dir = optarg; |
| break; |
| case 'N': |
| num_inodes = strtoul(optarg, &tmp, 0); |
| if (*tmp) { |
| com_err(program_name, 0, |
| _("bad num inodes - %s"), optarg); |
| exit(1); |
| } |
| break; |
| case 'O': |
| fs_features = optarg; |
| break; |
| case 'E': |
| case 'R': |
| extended_opts = optarg; |
| break; |
| case 'S': |
| super_only = 1; |
| break; |
| case 't': |
| fs_type = optarg; |
| break; |
| case 'T': |
| usage_types = optarg; |
| break; |
| case 'U': |
| fs_uuid = optarg; |
| break; |
| case 'V': |
| /* Print version number and exit */ |
| show_version_only++; |
| break; |
| default: |
| usage(); |
| } |
| } |
| if ((optind == argc) && !show_version_only) |
| usage(); |
| device_name = argv[optind++]; |
| |
| if (!quiet || show_version_only) |
| fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, |
| E2FSPROGS_DATE); |
| |
| if (show_version_only) { |
| fprintf(stderr, _("\tUsing %s\n"), |
| error_message(EXT2_ET_BASE)); |
| 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 |
| if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { |
| io_ptr = test_io_manager; |
| test_io_backing_manager = unix_io_manager; |
| } else |
| #endif |
| io_ptr = unix_io_manager; |
| retval = ext2fs_open(journal_device, |
| EXT2_FLAG_JOURNAL_DEV_OK, 0, |
| 0, io_ptr, &jfs); |
| if (retval) { |
| com_err(program_name, retval, |
| _("while trying to open journal device %s\n"), |
| journal_device); |
| exit(1); |
| } |
| if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { |
| com_err(program_name, 0, |
| _("Journal dev blocksize (%d) smaller than " |
| "minimum blocksize %d\n"), jfs->blocksize, |
| -blocksize); |
| exit(1); |
| } |
| blocksize = jfs->blocksize; |
| printf(_("Using journal device's blocksize: %d\n"), blocksize); |
| fs_param.s_log_block_size = |
| int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); |
| ext2fs_close(jfs); |
| } |
| |
| if (blocksize > sys_page_size) { |
| if (!force) { |
| com_err(program_name, 0, |
| _("%d-byte blocks too big for system (max %d)"), |
| blocksize, sys_page_size); |
| proceed_question(); |
| } |
| fprintf(stderr, _("Warning: %d-byte blocks too big for system " |
| "(max %d), forced to continue\n"), |
| blocksize, sys_page_size); |
| } |
| if (optind < argc) { |
| fs_param.s_blocks_count = parse_num_blocks(argv[optind++], |
| fs_param.s_log_block_size); |
| if (!fs_param.s_blocks_count) { |
| com_err(program_name, 0, |
| _("invalid blocks count '%s' on device '%s'"), |
| argv[optind - 1], device_name); |
| exit(1); |
| } |
| } |
| if (optind < argc) |
| usage(); |
| |
| if (!force) |
| check_plausibility(device_name); |
| check_mount(device_name, force, _("filesystem")); |
| |
| fs_param.s_log_frag_size = fs_param.s_log_block_size; |
| |
| if (noaction && fs_param.s_blocks_count) { |
| dev_size = fs_param.s_blocks_count; |
| retval = 0; |
| } else { |
| retry: |
| retval = ext2fs_get_device_size(device_name, |
| EXT2_BLOCK_SIZE(&fs_param), |
| &dev_size); |
| if ((retval == EFBIG) && |
| (blocksize == 0) && |
| (fs_param.s_log_block_size == 0)) { |
| fs_param.s_log_block_size = 2; |
| blocksize = 4096; |
| goto retry; |
| } |
| } |
| |
| if (retval == EFBIG) { |
| blk64_t big_dev_size; |
| |
| if (blocksize < 4096) { |
| fs_param.s_log_block_size = 2; |
| blocksize = 4096; |
| } |
| retval = ext2fs_get_device_size2(device_name, |
| EXT2_BLOCK_SIZE(&fs_param), &big_dev_size); |
| if (retval) |
| goto get_size_failure; |
| if (big_dev_size == (1ULL << 32)) { |
| dev_size = (blk_t) (big_dev_size - 1); |
| goto got_size; |
| } |
| fprintf(stderr, _("%s: Size of device %s too big " |
| "to be expressed in 32 bits\n\t" |
| "using a blocksize of %d.\n"), |
| program_name, device_name, EXT2_BLOCK_SIZE(&fs_param)); |
| exit(1); |
| } |
| get_size_failure: |
| if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { |
| com_err(program_name, retval, |
| _("while trying to determine filesystem size")); |
| exit(1); |
| } |
| got_size: |
| if (!fs_param.s_blocks_count) { |
| if (retval == EXT2_ET_UNIMPLEMENTED) { |
| com_err(program_name, 0, |
| _("Couldn't determine device size; you " |
| "must specify\nthe size of the " |
| "filesystem\n")); |
| exit(1); |
| } else { |
| if (dev_size == 0) { |
| com_err(program_name, 0, |
| _("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" |
| )); |
| exit(1); |
| } |
| fs_param.s_blocks_count = dev_size; |
| if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) |
| fs_param.s_blocks_count &= ~((sys_page_size / |
| EXT2_BLOCK_SIZE(&fs_param))-1); |
| } |
| |
| } else if (!force && (fs_param.s_blocks_count > dev_size)) { |
| com_err(program_name, 0, |
| _("Filesystem larger than apparent device size.")); |
| proceed_question(); |
| } |
| |
| fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]); |
| if (!fs_types) { |
| fprintf(stderr, _("Failed to parse fs types list\n")); |
| exit(1); |
| } |
| |
| /* Figure out what features should be enabled */ |
| |
| tmp = NULL; |
| if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { |
| tmp = get_string_from_profile(fs_types, "base_features", |
| "sparse_super,filetype,resize_inode,dir_index"); |
| edit_feature(tmp, &fs_param.s_feature_compat); |
| free(tmp); |
| |
| for (cpp = fs_types; *cpp; cpp++) { |
| tmp = NULL; |
| profile_get_string(profile, "fs_types", *cpp, |
| "features", "", &tmp); |
| if (tmp && *tmp) |
| edit_feature(tmp, &fs_param.s_feature_compat); |
| free(tmp); |
| } |
| tmp = get_string_from_profile(fs_types, "default_features", |
| ""); |
| } |
| edit_feature(fs_features ? fs_features : tmp, |
| &fs_param.s_feature_compat); |
| free(tmp); |
| |
| if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { |
| fs_types[0] = strdup("journal"); |
| fs_types[1] = 0; |
| } |
| |
| if (verbose) { |
| fputs(_("fs_types for mke2fs.conf resolution: "), stdout); |
| print_str_list(fs_types); |
| } |
| |
| if (r_opt == EXT2_GOOD_OLD_REV && |
| (fs_param.s_feature_compat || fs_param.s_feature_incompat || |
| fs_param.s_feature_ro_compat)) { |
| fprintf(stderr, _("Filesystem features not supported " |
| "with revision 0 filesystems\n")); |
| exit(1); |
| } |
| |
| if (s_opt > 0) { |
| if (r_opt == EXT2_GOOD_OLD_REV) { |
| fprintf(stderr, _("Sparse superblocks not supported " |
| "with revision 0 filesystems\n")); |
| exit(1); |
| } |
| fs_param.s_feature_ro_compat |= |
| EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; |
| } else if (s_opt == 0) |
| fs_param.s_feature_ro_compat &= |
| ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; |
| |
| if (journal_size != 0) { |
| if (r_opt == EXT2_GOOD_OLD_REV) { |
| fprintf(stderr, _("Journals not supported " |
| "with revision 0 filesystems\n")); |
| exit(1); |
| } |
| fs_param.s_feature_compat |= |
| EXT3_FEATURE_COMPAT_HAS_JOURNAL; |
| } |
| |
| if (fs_param.s_feature_incompat & |
| EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { |
| reserved_ratio = 0; |
| fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; |
| fs_param.s_feature_compat = 0; |
| fs_param.s_feature_ro_compat = 0; |
| } |
| |
| if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && |
| (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) { |
| fprintf(stderr, _("The resize_inode and meta_bg features " |
| "are not compatible.\n" |
| "They can not be both enabled " |
| "simultaneously.\n")); |
| exit(1); |
| } |
| |
| /* Set first meta blockgroup via an environment variable */ |
| /* (this is mostly for debugging purposes) */ |
| if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && |
| ((tmp = getenv("MKE2FS_FIRST_META_BG")))) |
| fs_param.s_first_meta_bg = atoi(tmp); |
| |
| /* Get the hardware sector sizes, if available */ |
| retval = ext2fs_get_device_sectsize(device_name, &lsector_size); |
| if (retval) { |
| com_err(program_name, retval, |
| _("while trying to determine hardware sector size")); |
| exit(1); |
| } |
| retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size); |
| if (retval) { |
| com_err(program_name, retval, |
| _("while trying to determine physical sector size")); |
| exit(1); |
| } |
| |
| if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) |
| lsector_size = atoi(tmp); |
| if ((tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE")) != NULL) |
| psector_size = atoi(tmp); |
| |
| /* Older kernels may not have physical/logical distinction */ |
| if (!psector_size) |
| psector_size = lsector_size; |
| |
| if (blocksize <= 0) { |
| use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); |
| |
| if (use_bsize == -1) { |
| use_bsize = sys_page_size; |
| if ((linux_version_code < (2*65536 + 6*256)) && |
| (use_bsize > 4096)) |
| use_bsize = 4096; |
| } |
| if (lsector_size && use_bsize < lsector_size) |
| use_bsize = lsector_size; |
| if ((blocksize < 0) && (use_bsize < (-blocksize))) |
| use_bsize = -blocksize; |
| blocksize = use_bsize; |
| fs_param.s_blocks_count /= blocksize / 1024; |
| } else { |
| if (blocksize < lsector_size) { /* Impossible */ |
| com_err(program_name, EINVAL, |
| _("while setting blocksize; too small " |
| "for device\n")); |
| exit(1); |
| } else if ((blocksize < psector_size) && |
| (psector_size <= sys_page_size)) { /* Suboptimal */ |
| fprintf(stderr, _("Warning: specified blocksize %d is " |
| "less than device physical sectorsize %d\n"), |
| blocksize, psector_size); |
| } |
| } |
| |
| if (inode_ratio == 0) { |
| inode_ratio = get_int_from_profile(fs_types, "inode_ratio", |
| 8192); |
| if (inode_ratio < blocksize) |
| inode_ratio = blocksize; |
| } |
| |
| fs_param.s_log_frag_size = fs_param.s_log_block_size = |
| int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); |
| |
| #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY |
| retval = get_device_geometry(device_name, &fs_param, psector_size); |
| if (retval < 0) { |
| fprintf(stderr, |
| _("warning: Unable to get device geometry for %s\n"), |
| device_name); |
| } else if (retval) { |
| printf(_("%s alignment is offset by %lu bytes.\n"), |
| device_name, retval); |
| printf(_("This may result in very poor performance, " |
| "(re)-partitioning suggested.\n")); |
| } |
| #endif |
| |
| blocksize = EXT2_BLOCK_SIZE(&fs_param); |
| |
| lazy_itable_init = 0; |
| if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0) |
| lazy_itable_init = 1; |
| |
| lazy_itable_init = get_bool_from_profile(fs_types, |
| "lazy_itable_init", |
| lazy_itable_init); |
| discard = get_bool_from_profile(fs_types, "discard" , discard); |
| |
| /* Get options from profile */ |
| for (cpp = fs_types; *cpp; cpp++) { |
| tmp = NULL; |
| profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); |
| if (tmp && *tmp) |
| parse_extended_opts(&fs_param, tmp); |
| free(tmp); |
| } |
| |
| if (extended_opts) |
| parse_extended_opts(&fs_param, extended_opts); |
| |
| /* Since sparse_super is the default, we would only have a problem |
| * here if it was explicitly disabled. |
| */ |
| if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && |
| !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { |
| com_err(program_name, 0, |
| _("reserved online resize blocks not supported " |
| "on non-sparse filesystem")); |
| exit(1); |
| } |
| |
| if (fs_param.s_blocks_per_group) { |
| if (fs_param.s_blocks_per_group < 256 || |
| fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { |
| com_err(program_name, 0, |
| _("blocks per group count out of range")); |
| exit(1); |
| } |
| } |
| |
| if (inode_size == 0) |
| inode_size = get_int_from_profile(fs_types, "inode_size", 0); |
| if (!flex_bg_size && (fs_param.s_feature_incompat & |
| EXT4_FEATURE_INCOMPAT_FLEX_BG)) |
| flex_bg_size = get_int_from_profile(fs_types, |
| "flex_bg_size", 16); |
| if (flex_bg_size) { |
| if (!(fs_param.s_feature_incompat & |
| EXT4_FEATURE_INCOMPAT_FLEX_BG)) { |
| com_err(program_name, 0, |
| _("Flex_bg feature not enabled, so " |
| "flex_bg size may not be specified")); |
| exit(1); |
| } |
| fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); |
| } |
| |
| if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { |
| if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || |
| inode_size > EXT2_BLOCK_SIZE(&fs_param) || |
| inode_size & (inode_size - 1)) { |
| com_err(program_name, 0, |
| _("invalid inode size %d (min %d/max %d)"), |
| inode_size, EXT2_GOOD_OLD_INODE_SIZE, |
| blocksize); |
| exit(1); |
| } |
| fs_param.s_inode_size = inode_size; |
| } |
| |
| /* Make sure number of inodes specified will fit in 32 bits */ |
| if (num_inodes == 0) { |
| unsigned long long n; |
| n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio; |
| if (n > ~0U) { |
| com_err(program_name, 0, |
| _("too many inodes (%llu), raise inode ratio?"), n); |
| exit(1); |
| } |
| } else if (num_inodes > ~0U) { |
| com_err(program_name, 0, |
| _("too many inodes (%llu), specify < 2^32 inodes"), |
| num_inodes); |
| exit(1); |
| } |
| /* |
| * Calculate number of inodes based on the inode ratio |
| */ |
| fs_param.s_inodes_count = num_inodes ? num_inodes : |
| ((__u64) fs_param.s_blocks_count * blocksize) |
| / inode_ratio; |
| |
| if ((((long long)fs_param.s_inodes_count) * |
| (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= |
| (((long long)fs_param.s_blocks_count) * |
| EXT2_BLOCK_SIZE(&fs_param))) { |
| com_err(program_name, 0, _("inode_size (%u) * inodes_count " |
| "(%u) too big for a\n\t" |
| "filesystem with %lu blocks, " |
| "specify higher inode_ratio (-i)\n\t" |
| "or lower inode count (-N).\n"), |
| inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, |
| fs_param.s_inodes_count, |
| (unsigned long) fs_param.s_blocks_count); |
| exit(1); |
| } |
| |
| /* |
| * Calculate number of blocks to reserve |
| */ |
| fs_param.s_r_blocks_count = (unsigned int) (reserved_ratio * |
| fs_param.s_blocks_count / 100.0); |
| } |
| |
| static int should_do_undo(const char *name) |
| { |
| errcode_t retval; |
| io_channel channel; |
| __u16 s_magic; |
| struct ext2_super_block super; |
| io_manager manager = unix_io_manager; |
| int csum_flag, force_undo; |
| |
| csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, |
| EXT4_FEATURE_RO_COMPAT_GDT_CSUM); |
| force_undo = get_int_from_profile(fs_types, "force_undo", 0); |
| if (!force_undo && (!csum_flag || !lazy_itable_init)) |
| return 0; |
| |
| retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); |
| if (retval) { |
| /* |
| * We don't handle error cases instead we |
| * declare that the file system doesn't exist |
| * and let the rest of mke2fs take care of |
| * error |
| */ |
| retval = 0; |
| goto open_err_out; |
| } |
| |
| io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); |
| retval = io_channel_read_blk(channel, 1, -SUPERBLOCK_SIZE, &super); |
| if (retval) { |
| retval = 0; |
| goto err_out; |
| } |
| |
| #if defined(WORDS_BIGENDIAN) |
| s_magic = ext2fs_swab16(super.s_magic); |
| #else |
| s_magic = super.s_magic; |
| #endif |
| |
| if (s_magic == EXT2_SUPER_MAGIC) |
| retval = 1; |
| |
| err_out: |
| io_channel_close(channel); |
| |
| open_err_out: |
| |
| return retval; |
| } |
| |
| static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) |
| { |
| errcode_t retval = 0; |
| char *tdb_dir, *tdb_file; |
| char *device_name, *tmp_name; |
| |
| /* |
| * Configuration via a conf file would be |
| * nice |
| */ |
| tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); |
| if (!tdb_dir) |
| profile_get_string(profile, "defaults", |
| "undo_dir", 0, "/var/lib/e2fsprogs", |
| &tdb_dir); |
| |
| if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || |
| access(tdb_dir, W_OK)) |
| return 0; |
| |
| tmp_name = strdup(name); |
| if (!tmp_name) { |
| alloc_fn_fail: |
| com_err(program_name, ENOMEM, |
| _("Couldn't allocate memory for tdb filename\n")); |
| return ENOMEM; |
| } |
| device_name = basename(tmp_name); |
| tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1); |
| if (!tdb_file) |
| goto alloc_fn_fail; |
| sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name); |
| |
| if (!access(tdb_file, F_OK)) { |
| if (unlink(tdb_file) < 0) { |
| retval = errno; |
| com_err(program_name, retval, |
| _("while trying to delete %s"), |
| tdb_file); |
| free(tdb_file); |
| return retval; |
| } |
| } |
| |
| set_undo_io_backing_manager(*io_ptr); |
| *io_ptr = undo_io_manager; |
| set_undo_io_backup_file(tdb_file); |
| printf(_("Overwriting existing filesystem; this can be undone " |
| "using the command:\n" |
| " e2undo %s %s\n\n"), tdb_file, name); |
| |
| free(tdb_file); |
| free(tmp_name); |
| return retval; |
| } |
| |
| #ifdef __linux__ |
| |
| #ifndef BLKDISCARD |
| #define BLKDISCARD _IO(0x12,119) |
| #endif |
| |
| #ifndef BLKDISCARDZEROES |
| #define BLKDISCARDZEROES _IO(0x12,124) |
| #endif |
| |
| /* |
| * Return zero if the discard succeeds, and -1 if the discard fails. |
| */ |
| static int mke2fs_discard_blocks(ext2_filsys fs) |
| { |
| int fd; |
| int ret; |
| int blocksize; |
| __u64 blocks; |
| __uint64_t range[2]; |
| |
| blocks = fs->super->s_blocks_count; |
| blocksize = EXT2_BLOCK_SIZE(fs->super); |
| range[0] = 0; |
| range[1] = blocks * blocksize; |
| |
| #ifdef HAVE_OPEN64 |
| fd = open64(fs->device_name, O_RDWR); |
| #else |
| fd = open(fs->device_name, O_RDWR); |
| #endif |
| if (fd > 0) { |
| ret = ioctl(fd, BLKDISCARD, &range); |
| if (verbose) { |
| printf(_("Calling BLKDISCARD from %llu to %llu "), |
| (unsigned long long) range[0], |
| (unsigned long long) range[1]); |
| if (ret) |
| printf(_("failed.\n")); |
| else |
| printf(_("succeeded.\n")); |
| } |
| close(fd); |
| } |
| return ret; |
| } |
| |
| static int mke2fs_discard_zeroes_data(ext2_filsys fs) |
| { |
| int fd; |
| int ret; |
| int discard_zeroes_data = 0; |
| |
| #ifdef HAVE_OPEN64 |
| fd = open64(fs->device_name, O_RDWR); |
| #else |
| fd = open(fs->device_name, O_RDWR); |
| #endif |
| if (fd > 0) { |
| ioctl(fd, BLKDISCARDZEROES, &discard_zeroes_data); |
| close(fd); |
| } |
| return discard_zeroes_data; |
| } |
| #else |
| #define mke2fs_discard_blocks(fs) 1 |
| #define mke2fs_discard_zeroes_data(fs) 0 |
| #endif |
| |
| int main (int argc, char *argv[]) |
| { |
| errcode_t retval = 0; |
| ext2_filsys fs; |
| badblocks_list bb_list = 0; |
| unsigned int journal_blocks; |
| unsigned int i; |
| int val, hash_alg; |
| io_manager io_ptr; |
| char tdb_string[40]; |
| char *hash_alg_str; |
| int itable_zeroed = 0; |
| |
| #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 |
| if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { |
| io_ptr = test_io_manager; |
| test_io_backing_manager = unix_io_manager; |
| } else |
| #endif |
| io_ptr = unix_io_manager; |
| |
| if (should_do_undo(device_name)) { |
| retval = mke2fs_setup_tdb(device_name, &io_ptr); |
| if (retval) |
| exit(1); |
| } |
| |
| /* |
| * Initialize the superblock.... |
| */ |
| retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param, |
| io_ptr, &fs); |
| if (retval) { |
| com_err(device_name, retval, _("while setting up superblock")); |
| exit(1); |
| } |
| |
| /* Can't undo discard ... */ |
| if (discard && (io_ptr != undo_io_manager)) { |
| retval = mke2fs_discard_blocks(fs); |
| |
| if (!retval && mke2fs_discard_zeroes_data(fs)) { |
| if (verbose) |
| printf(_("Discard succeeded and will return 0s " |
| " - skipping inode table wipe\n")); |
| lazy_itable_init = 1; |
| itable_zeroed = 1; |
| } |
| } |
| |
| sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? |
| 32768 : fs->blocksize * 8); |
| io_channel_set_options(fs->io, tdb_string); |
| |
| if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) |
| fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; |
| |
| if ((fs_param.s_feature_incompat & |
| (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) || |
| (fs_param.s_feature_ro_compat & |
| (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM| |
| EXT4_FEATURE_RO_COMPAT_DIR_NLINK| |
| EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))) |
| fs->super->s_kbytes_written = 1; |
| |
| /* |
| * Wipe out the old on-disk superblock |
| */ |
| if (!noaction) |
| zap_sector(fs, 2, 6); |
| |
| /* |
| * Parse or generate a UUID for the filesystem |
| */ |
| if (fs_uuid) { |
| if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) { |
| com_err(device_name, 0, "could not parse UUID: %s\n", |
| fs_uuid); |
| exit(1); |
| } |
| } else |
| uuid_generate(fs->super->s_uuid); |
| |
| /* |
| * Initialize the directory index variables |
| */ |
| hash_alg_str = get_string_from_profile(fs_types, "hash_alg", |
| "half_md4"); |
| hash_alg = e2p_string2hash(hash_alg_str); |
| free(hash_alg_str); |
| fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : |
| EXT2_HASH_HALF_MD4; |
| 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)) { |
| com_err (program_name, 0, _("unknown os - %s"), creator_os); |
| exit(1); |
| } |
| |
| /* |
| * 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 = fs->super->s_raid_stride; |
| retval = ext2fs_allocate_tables(fs); |
| if (retval) { |
| com_err(program_name, retval, |
| _("while trying to allocate filesystem tables")); |
| exit(1); |
| } |
| 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 = ext2fs_zero_blocks(fs, start, blocks - start, |
| &ret_blk, NULL); |
| |
| if (retval) { |
| com_err(program_name, retval, |
| _("while zeroing block %u at end of filesystem"), |
| ret_blk); |
| } |
| write_inode_tables(fs, lazy_itable_init, itable_zeroed); |
| 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) { |
| com_err("ext2fs_create_resize_inode", retval, |
| _("while reserving blocks for online resize")); |
| exit(1); |
| } |
| } |
| } |
| |
| 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) { |
| com_err(program_name, retval, |
| _("while trying to open journal device %s\n"), |
| journal_device); |
| exit(1); |
| } |
| if (!quiet) { |
| printf(_("Adding journal to device %s: "), |
| journal_device); |
| fflush(stdout); |
| } |
| retval = ext2fs_add_journal_device(fs, jfs); |
| if(retval) { |
| com_err (program_name, retval, |
| _("\n\twhile trying to add journal to device %s"), |
| journal_device); |
| exit(1); |
| } |
| if (!quiet) |
| printf(_("done\n")); |
| ext2fs_close(jfs); |
| free(journal_device); |
| } else if ((journal_size) || |
| (fs_param.s_feature_compat & |
| EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { |
| journal_blocks = figure_journal_size(journal_size, fs); |
| |
| if (super_only) { |
| printf(_("Skipping journal creation in super-only mode\n")); |
| fs->super->s_journal_inum = EXT2_JOURNAL_INO; |
| goto no_journal; |
| } |
| |
| if (!journal_blocks) { |
| fs->super->s_feature_compat &= |
| ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; |
| goto no_journal; |
| } |
| if (!quiet) { |
| printf(_("Creating journal (%u blocks): "), |
| journal_blocks); |
| fflush(stdout); |
| } |
| retval = ext2fs_add_journal_inode(fs, journal_blocks, |
| journal_flags); |
| if (retval) { |
| com_err (program_name, retval, |
| _("\n\twhile trying to create journal")); |
| exit(1); |
| } |
| if (!quiet) |
| printf(_("done\n")); |
| } |
| no_journal: |
| |
| if (!quiet) |
| printf(_("Writing superblocks and " |
| "filesystem accounting information: ")); |
| retval = ext2fs_flush(fs); |
| if (retval) { |
| fprintf(stderr, |
| _("\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); |
| remove_error_table(&et_ext2_error_table); |
| remove_error_table(&et_prof_error_table); |
| profile_release(profile); |
| for (i=0; fs_types[i]; i++) |
| free(fs_types[i]); |
| free(fs_types); |
| return (retval || val) ? 1 : 0; |
| } |