| /* |
| * 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 */ |
| |
| #include "config.h" |
| #include <stdio.h> |
| #include <string.h> |
| #include <strings.h> |
| #include <ctype.h> |
| #include <time.h> |
| #ifdef __linux__ |
| #include <sys/utsname.h> |
| #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) |
| #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_SYS_IOCTL_H |
| #include <sys/ioctl.h> |
| #endif |
| #include <libgen.h> |
| #include <limits.h> |
| #include <blkid/blkid.h> |
| |
| #include "ext2fs/ext2_fs.h" |
| #include "ext2fs/ext2fsP.h" |
| #include "uuid/uuid.h" |
| #include "util.h" |
| #include "support/nls-enable.h" |
| #include "support/plausible.h" |
| #include "support/profile.h" |
| #include "support/prof_err.h" |
| #include "../version.h" |
| #include "support/quotaio.h" |
| #include "mke2fs.h" |
| #include "create_inode.h" |
| |
| #define STRIDE_LENGTH 8 |
| |
| #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1) |
| |
| #ifndef __sparc__ |
| #define ZAP_BOOTBLOCK |
| #endif |
| |
| #define DISCARD_STEP_MB (2048) |
| |
| extern int isatty(int); |
| extern FILE *fpopen(const char *cmd, const char *mode); |
| |
| const char * program_name = "mke2fs"; |
| static const char * device_name /* = NULL */; |
| |
| /* Command line options */ |
| static int cflag; |
| int verbose; |
| int quiet; |
| static int super_only; |
| static int discard = 1; /* attempt to discard device before fs creation */ |
| static int direct_io; |
| static int force; |
| static int noaction; |
| static int num_backups = 2; /* number of backup bg's for sparse_super2 */ |
| static uid_t root_uid; |
| static gid_t root_gid; |
| int journal_size; |
| int journal_flags; |
| static int lazy_itable_init; |
| static int packed_meta_blocks; |
| static char *bad_blocks_filename = NULL; |
| static __u32 fs_stride; |
| /* Initialize usr/grp quotas by default */ |
| static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT); |
| static __u64 offset; |
| static blk64_t journal_location = ~0LL; |
| static int proceed_delay = -1; |
| static blk64_t dev_size; |
| |
| static struct ext2_super_block fs_param; |
| static __u32 zero_buf[4]; |
| static char *fs_uuid = NULL; |
| static char *creator_os; |
| static char *volume_label; |
| static char *mount_dir; |
| char *journal_device; |
| static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ |
| char **fs_types; |
| const char *src_root_dir; /* Copy files from the specified directory */ |
| static char *undo_file; |
| |
| static int android_sparse_file; /* -E android_sparse */ |
| static char *android_sparse_params; |
| |
| static profile_t profile; |
| |
| static int sys_page_size = 4096; |
| |
| static int errors_behavior = 0; |
| |
| static void usage(void) |
| { |
| fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " |
| "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] " |
| "[-J journal-options]\n" |
| "\t[-G flex-group-size] [-N number-of-inodes] " |
| "[-d root-directory]\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] [-T usage-type ] [-U UUID] [-e errors_behavior]" |
| "[-z undo_file]\n" |
| "\t[-jnqvDFSV] device [blocks-count]\n"), |
| program_name); |
| exit(1); |
| } |
| |
| static int int_log2(unsigned long long arg) |
| { |
| int l = 0; |
| |
| arg >>= 1; |
| while (arg) { |
| l++; |
| arg >>= 1; |
| } |
| return l; |
| } |
| |
| int int_log10(unsigned long long arg) |
| { |
| int l; |
| |
| for (l=0; arg ; l++) |
| arg = arg / 10; |
| return l; |
| } |
| |
| #ifdef __linux__ |
| 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 KERNEL_VERSION(major, minor, rev); |
| } |
| |
| static int is_before_linux_ver(unsigned int major, unsigned int minor, |
| unsigned int rev) |
| { |
| struct utsname ut; |
| static int linux_version_code = -1; |
| |
| if (uname(&ut)) { |
| perror("uname"); |
| exit(1); |
| } |
| if (linux_version_code < 0) |
| linux_version_code = parse_version_number(ut.release); |
| if (linux_version_code == 0) |
| return 0; |
| |
| return linux_version_code < (int) KERNEL_VERSION(major, minor, rev); |
| } |
| #else |
| static int is_before_linux_ver(unsigned int major, unsigned int minor, |
| unsigned int rev) |
| { |
| return 0; |
| } |
| #endif |
| |
| /* |
| * 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, "%s", |
| _("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 %llu", fs->blocksize, |
| quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", |
| fs->device_name, ext2fs_blocks_count(fs->super)-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, "%s", |
| _("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_blk2(fs, group_block+j); |
| ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1); |
| ext2fs_group_desc_csum_set(fs, group); |
| ext2fs_free_blocks_count_add(fs->super, 1); |
| } |
| } |
| 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, "%s", |
| _("while marking bad blocks as used")); |
| exit(1); |
| } |
| while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) |
| ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk)); |
| ext2fs_badblocks_list_iterate_end(bb_iter); |
| } |
| |
| static void write_reserved_inodes(ext2_filsys fs) |
| { |
| errcode_t retval; |
| ext2_ino_t ino; |
| struct ext2_inode *inode; |
| |
| retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode); |
| if (retval) { |
| com_err("inode_init", retval, _("while allocating memory")); |
| exit(1); |
| } |
| |
| for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) |
| ext2fs_write_inode_full(fs, ino, inode, |
| EXT2_INODE_SIZE(fs->super)); |
| |
| ext2fs_free_mem(&inode); |
| } |
| |
| static errcode_t packed_allocate_tables(ext2_filsys fs) |
| { |
| errcode_t retval; |
| dgrp_t i; |
| blk64_t goal = 0; |
| |
| for (i = 0; i < fs->group_desc_count; i++) { |
| retval = ext2fs_new_block2(fs, goal, NULL, &goal); |
| if (retval) |
| return retval; |
| ext2fs_block_alloc_stats2(fs, goal, +1); |
| ext2fs_block_bitmap_loc_set(fs, i, goal); |
| } |
| for (i = 0; i < fs->group_desc_count; i++) { |
| retval = ext2fs_new_block2(fs, goal, NULL, &goal); |
| if (retval) |
| return retval; |
| ext2fs_block_alloc_stats2(fs, goal, +1); |
| ext2fs_inode_bitmap_loc_set(fs, i, goal); |
| } |
| for (i = 0; i < fs->group_desc_count; i++) { |
| blk64_t end = ext2fs_blocks_count(fs->super) - 1; |
| retval = ext2fs_get_free_blocks2(fs, goal, end, |
| fs->inode_blocks_per_group, |
| fs->block_map, &goal); |
| if (retval) |
| return retval; |
| ext2fs_block_alloc_stats_range(fs, goal, |
| fs->inode_blocks_per_group, +1); |
| ext2fs_inode_table_loc_set(fs, i, goal); |
| ext2fs_group_desc_csum_set(fs, i); |
| } |
| return 0; |
| } |
| |
| static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed) |
| { |
| errcode_t retval; |
| blk64_t blk; |
| dgrp_t i; |
| int num; |
| struct ext2fs_numeric_progress_struct progress; |
| |
| ext2fs_numeric_progress_init(fs, &progress, |
| _("Writing inode tables: "), |
| fs->group_desc_count); |
| |
| for (i = 0; i < fs->group_desc_count; i++) { |
| ext2fs_numeric_progress_update(fs, &progress, i); |
| |
| blk = ext2fs_inode_table_loc(fs, i); |
| num = fs->inode_blocks_per_group; |
| |
| if (lazy_flag) |
| num = ext2fs_div_ceil((fs->super->s_inodes_per_group - |
| ext2fs_bg_itable_unused(fs, i)) * |
| EXT2_INODE_SIZE(fs->super), |
| EXT2_BLOCK_SIZE(fs->super)); |
| if (!lazy_flag || itable_zeroed) { |
| /* The kernel doesn't need to zero the itable blocks */ |
| ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED); |
| ext2fs_group_desc_csum_set(fs, i); |
| } |
| if (!itable_zeroed) { |
| retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num); |
| if (retval) { |
| fprintf(stderr, _("\nCould not write %d " |
| "blocks in inode table starting at %llu: %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_numeric_progress_close(fs, &progress, |
| _("done \n")); |
| |
| /* Reserved inodes must always have correct checksums */ |
| if (ext2fs_has_feature_metadata_csum(fs->super)) |
| write_reserved_inodes(fs); |
| } |
| |
| 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) { |
| com_err("ext2fs_mkdir", retval, "%s", |
| _("while creating root dir")); |
| exit(1); |
| } |
| if (root_uid != 0 || root_gid != 0) { |
| retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); |
| if (retval) { |
| com_err("ext2fs_read_inode", retval, "%s", |
| _("while reading root inode")); |
| exit(1); |
| } |
| |
| inode.i_uid = root_uid; |
| ext2fs_set_i_uid_high(inode, root_uid >> 16); |
| inode.i_gid = root_gid; |
| ext2fs_set_i_gid_high(inode, root_gid >> 16); |
| |
| retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); |
| if (retval) { |
| com_err("ext2fs_write_inode", retval, "%s", |
| _("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, "%s", |
| _("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, "%s", |
| _("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, "%s", |
| _("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_bitmap2(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, "%s", |
| _("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 = calloc(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_blk64(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_blk64(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 ext2fs_numeric_progress_struct progress; |
| errcode_t retval; |
| char *buf; |
| blk64_t blk, err_blk; |
| int c, count, err_count; |
| |
| retval = ext2fs_create_journal_superblock(fs, |
| ext2fs_blocks_count(fs->super), 0, &buf); |
| if (retval) { |
| com_err("create_journal_dev", retval, "%s", |
| _("while initializing journal superblock")); |
| exit(1); |
| } |
| |
| if (journal_flags & EXT2_MKJOURNAL_LAZYINIT) |
| goto write_superblock; |
| |
| ext2fs_numeric_progress_init(fs, &progress, |
| _("Zeroing journal device: "), |
| ext2fs_blocks_count(fs->super)); |
| blk = 0; |
| count = ext2fs_blocks_count(fs->super); |
| while (count > 0) { |
| if (count > 1024) |
| c = 1024; |
| else |
| c = count; |
| retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count); |
| if (retval) { |
| com_err("create_journal_dev", retval, |
| _("while zeroing journal device " |
| "(block %llu, count %d)"), |
| err_blk, err_count); |
| exit(1); |
| } |
| blk += c; |
| count -= c; |
| ext2fs_numeric_progress_update(fs, &progress, blk); |
| } |
| |
| ext2fs_numeric_progress_close(fs, &progress, NULL); |
| write_superblock: |
| retval = io_channel_write_blk64(fs->io, |
| fs->super->s_first_data_block+1, |
| 1, buf); |
| if (retval) { |
| com_err("create_journal_dev", retval, "%s", |
| _("while writing journal superblock")); |
| exit(1); |
| } |
| } |
| |
| static void show_stats(ext2_filsys fs) |
| { |
| struct ext2_super_block *s = fs->super; |
| char buf[80]; |
| char *os; |
| blk64_t group_block; |
| dgrp_t i; |
| int need, col_left; |
| |
| if (!verbose) { |
| printf(_("Creating filesystem with %llu %dk blocks and " |
| "%u inodes\n"), |
| ext2fs_blocks_count(s), fs->blocksize >> 10, |
| s->s_inodes_count); |
| goto skip_details; |
| } |
| |
| if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s)) |
| fprintf(stderr, _("warning: %llu blocks unused.\n\n"), |
| ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s)); |
| |
| memset(buf, 0, sizeof(buf)); |
| strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); |
| printf(_("Filesystem label=%s\n"), buf); |
| os = e2p_os2string(fs->super->s_creator_os); |
| if (os) |
| printf(_("OS type: %s\n"), os); |
| free(os); |
| printf(_("Block size=%u (log=%u)\n"), fs->blocksize, |
| s->s_log_block_size); |
| if (ext2fs_has_feature_bigalloc(fs->super)) |
| printf(_("Cluster size=%u (log=%u)\n"), |
| fs->blocksize << fs->cluster_ratio_bits, |
| s->s_log_cluster_size); |
| else |
| printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s), |
| s->s_log_cluster_size); |
| printf(_("Stride=%u blocks, Stripe width=%u blocks\n"), |
| s->s_raid_stride, s->s_raid_stripe_width); |
| printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count, |
| ext2fs_blocks_count(s)); |
| printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"), |
| ext2fs_r_blocks_count(s), |
| 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s)); |
| printf(_("First data block=%u\n"), s->s_first_data_block); |
| if (root_uid != 0 || root_gid != 0) |
| printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid); |
| 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); |
| if (ext2fs_has_feature_bigalloc(fs->super)) |
| printf(_("%u blocks per group, %u clusters per group\n"), |
| s->s_blocks_per_group, s->s_clusters_per_group); |
| else |
| printf(_("%u blocks per group, %u fragments per group\n"), |
| s->s_blocks_per_group, s->s_clusters_per_group); |
| printf(_("%u inodes per group\n"), s->s_inodes_per_group); |
| |
| skip_details: |
| if (fs->group_desc_count == 1) { |
| printf("\n"); |
| return; |
| } |
| |
| if (!e2p_is_null_uuid(s->s_uuid)) |
| printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid)); |
| printf("%s", _("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("%llu", group_block); |
| } |
| printf("\n\n"); |
| } |
| |
| /* |
| * Returns true if making a file system for the Hurd, else 0 |
| */ |
| static int for_hurd(const char *os) |
| { |
| if (!os) { |
| #ifdef __GNU__ |
| return 1; |
| #else |
| return 0; |
| #endif |
| } |
| if (isdigit(*os)) |
| return (atoi(os) == EXT2_OS_HURD); |
| return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0); |
| } |
| |
| /* |
| * 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; |
| int ret; |
| |
| len = strlen(opts); |
| buf = malloc(len+1); |
| if (!buf) { |
| fprintf(stderr, "%s", |
| _("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, "desc-size") == 0 || |
| strcmp(token, "desc_size") == 0) { |
| int desc_size; |
| |
| if (!ext2fs_has_feature_64bit(&fs_param)) { |
| fprintf(stderr, |
| _("%s requires '-O 64bit'\n"), token); |
| r_usage++; |
| continue; |
| } |
| if (param->s_reserved_gdt_blocks != 0) { |
| fprintf(stderr, |
| _("'%s' must be before 'resize=%u'\n"), |
| token, param->s_reserved_gdt_blocks); |
| r_usage++; |
| continue; |
| } |
| if (!arg) { |
| r_usage++; |
| badopt = token; |
| continue; |
| } |
| desc_size = strtoul(arg, &p, 0); |
| if (*p || (desc_size & (desc_size - 1))) { |
| fprintf(stderr, |
| _("Invalid desc_size: '%s'\n"), arg); |
| r_usage++; |
| continue; |
| } |
| param->s_desc_size = desc_size; |
| } else if (strcmp(token, "hash_seed") == 0) { |
| if (!arg) { |
| r_usage++; |
| badopt = token; |
| continue; |
| } |
| if (uuid_parse(arg, |
| (unsigned char *)param->s_hash_seed) != 0) { |
| fprintf(stderr, |
| _("Invalid hash seed: %s\n"), arg); |
| r_usage++; |
| continue; |
| } |
| } else if (strcmp(token, "offset") == 0) { |
| if (!arg) { |
| r_usage++; |
| badopt = token; |
| continue; |
| } |
| offset = strtoull(arg, &p, 0); |
| if (*p) { |
| fprintf(stderr, _("Invalid offset: %s\n"), |
| arg); |
| r_usage++; |
| continue; |
| } |
| } else if (strcmp(token, "mmp_update_interval") == 0) { |
| if (!arg) { |
| r_usage++; |
| badopt = token; |
| continue; |
| } |
| param->s_mmp_update_interval = strtoul(arg, &p, 0); |
| if (*p) { |
| fprintf(stderr, |
| _("Invalid mmp_update_interval: %s\n"), |
| arg); |
| r_usage++; |
| continue; |
| } |
| } else if (strcmp(token, "num_backup_sb") == 0) { |
| if (!arg) { |
| r_usage++; |
| badopt = token; |
| continue; |
| } |
| num_backups = strtoul(arg, &p, 0); |
| if (*p || num_backups > 2) { |
| fprintf(stderr, |
| _("Invalid # of backup " |
| "superblocks: %s\n"), |
| arg); |
| r_usage++; |
| continue; |
| } |
| } else if (strcmp(token, "packed_meta_blocks") == 0) { |
| if (arg) |
| packed_meta_blocks = strtoul(arg, &p, 0); |
| else |
| packed_meta_blocks = 1; |
| if (packed_meta_blocks) |
| journal_location = 0; |
| } else if (strcmp(token, "stride") == 0) { |
| if (!arg) { |
| r_usage++; |
| badopt = token; |
| continue; |
| } |
| param->s_raid_stride = strtoul(arg, &p, 0); |
| if (*p) { |
| 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) { |
| fprintf(stderr, |
| _("Invalid stripe-width parameter: %s\n"), |
| arg); |
| r_usage++; |
| continue; |
| } |
| } else if (!strcmp(token, "resize")) { |
| blk64_t resize; |
| unsigned long 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_blocks2(arg, |
| param->s_log_block_size); |
| |
| if (resize == 0) { |
| fprintf(stderr, |
| _("Invalid resize parameter: %s\n"), |
| arg); |
| r_usage++; |
| continue; |
| } |
| if (resize <= ext2fs_blocks_count(param)) { |
| fprintf(stderr, "%s", |
| _("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 = (__u32) ext2fs_div64_ceil( |
| ext2fs_blocks_count(param), bpg); |
| desc_blocks = (group_desc_count + |
| gdpb - 1) / gdpb; |
| rsv_groups = ext2fs_div64_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, "%s", |
| _("On-line resizing not supported with revision 0 filesystems\n")); |
| free(buf); |
| exit(1); |
| } |
| ext2fs_set_feature_resize_inode(param); |
| |
| 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, "lazy_journal_init")) { |
| if (arg) |
| journal_flags |= strtoul(arg, &p, 0) ? |
| EXT2_MKJOURNAL_LAZYINIT : 0; |
| else |
| journal_flags |= EXT2_MKJOURNAL_LAZYINIT; |
| } else if (!strcmp(token, "root_owner")) { |
| if (arg) { |
| root_uid = strtoul(arg, &p, 0); |
| if (*p != ':') { |
| fprintf(stderr, |
| _("Invalid root_owner: '%s'\n"), |
| arg); |
| r_usage++; |
| continue; |
| } |
| p++; |
| root_gid = strtoul(p, &p, 0); |
| if (*p) { |
| fprintf(stderr, |
| _("Invalid root_owner: '%s'\n"), |
| arg); |
| r_usage++; |
| continue; |
| } |
| } else { |
| root_uid = getuid(); |
| root_gid = getgid(); |
| } |
| } else if (!strcmp(token, "discard")) { |
| discard = 1; |
| } else if (!strcmp(token, "nodiscard")) { |
| discard = 0; |
| } else if (!strcmp(token, "quotatype")) { |
| char *errtok = NULL; |
| |
| if (!arg) { |
| r_usage++; |
| badopt = token; |
| continue; |
| } |
| quotatype_bits = 0; |
| ret = parse_quota_types(arg, "atype_bits, &errtok); |
| if (ret) { |
| if (errtok) { |
| fprintf(stderr, |
| "Failed to parse quota type at %s", errtok); |
| free(errtok); |
| } else |
| com_err(program_name, ret, |
| "while parsing quota type"); |
| r_usage++; |
| badopt = token; |
| continue; |
| } |
| } else if (!strcmp(token, "android_sparse")) { |
| android_sparse_file = 1; |
| } 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" |
| "\tmmp_update_interval=<interval>\n" |
| "\tnum_backup_sb=<0|1|2>\n" |
| "\tstride=<RAID per-disk data chunk in blocks>\n" |
| "\tstripe-width=<RAID stride * data disks in blocks>\n" |
| "\toffset=<offset to create the file system>\n" |
| "\tresize=<resize maximum size in blocks>\n" |
| "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n" |
| "\tlazy_itable_init=<0 to disable, 1 to enable>\n" |
| "\tlazy_journal_init=<0 to disable, 1 to enable>\n" |
| "\troot_owner=<uid of root dir>:<gid of root dir>\n" |
| "\ttest_fs\n" |
| "\tdiscard\n" |
| "\tnodiscard\n" |
| "\tquotatype=<quota type(s) to be enabled>\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 | |
| EXT4_FEATURE_COMPAT_SPARSE_SUPER2, |
| /* Incompat */ |
| EXT2_FEATURE_INCOMPAT_FILETYPE| |
| EXT3_FEATURE_INCOMPAT_EXTENTS| |
| EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| |
| EXT2_FEATURE_INCOMPAT_META_BG| |
| EXT4_FEATURE_INCOMPAT_FLEX_BG| |
| EXT4_FEATURE_INCOMPAT_MMP | |
| EXT4_FEATURE_INCOMPAT_64BIT| |
| EXT4_FEATURE_INCOMPAT_INLINE_DATA| |
| EXT4_FEATURE_INCOMPAT_ENCRYPT | |
| EXT4_FEATURE_INCOMPAT_CSUM_SEED, |
| /* 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| |
| EXT4_FEATURE_RO_COMPAT_BIGALLOC| |
| EXT4_FEATURE_RO_COMPAT_QUOTA| |
| EXT4_FEATURE_RO_COMPAT_METADATA_CSUM| |
| EXT4_FEATURE_RO_COMPAT_PROJECT |
| }; |
| |
| |
| 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); |
| } |
| } |
| |
| static void edit_mntopts(const char *str, __u32 *mntopts) |
| { |
| if (!str) |
| return; |
| |
| if (e2p_edit_mntopts(str, mntopts, ~0)) { |
| fprintf(stderr, _("Invalid mount 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 prof, 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(prof, 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 *sb, |
| blk64_t fs_blocks_count, |
| 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 long meg; |
| int is_hurd = for_hurd(creator_os); |
| |
| if (init_list(&list)) |
| return 0; |
| |
| 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 (!strcmp(program_name, "mke4fs")) |
| ext_type = "ext4"; |
| 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("%s", _("You probably need to install an " |
| "updated mke2fs.conf file.\n\n")); |
| } |
| if (!force) { |
| printf("%s", _("Aborting...\n")); |
| exit(1); |
| } |
| } |
| |
| meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb); |
| if (fs_blocks_count < 3 * meg) |
| size_type = "floppy"; |
| else if (fs_blocks_count < 512 * meg) |
| size_type = "small"; |
| else if (fs_blocks_count < 4 * 1024 * 1024 * meg) |
| size_type = "default"; |
| else if (fs_blocks_count < 16 * 1024 * 1024 * meg) |
| size_type = "big"; |
| else |
| size_type = "huge"; |
| |
| if (!usage_types) |
| usage_types = size_type; |
| |
| parse_str = malloc(strlen(usage_types)+1); |
| if (!parse_str) { |
| free(profile_type); |
| free(list.list); |
| return 0; |
| } |
| strcpy(parse_str, usage_types); |
| |
| 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 |
| break; |
| } |
| free(parse_str); |
| free(profile_type); |
| if (is_hurd) |
| push_string(&list, "hurd"); |
| return (list.list); |
| } |
| |
| char *get_string_from_profile(char **types, const char *opt, |
| const char *def_val) |
| { |
| char *ret = 0; |
| int i; |
| |
| for (i=0; types[i]; i++); |
| for (i-=1; i >=0 ; i--) { |
| profile_get_string(profile, "fs_types", types[i], |
| opt, 0, &ret); |
| if (ret) |
| return ret; |
| } |
| profile_get_string(profile, "defaults", opt, 0, def_val, &ret); |
| return (ret); |
| } |
| |
| int get_int_from_profile(char **types, const char *opt, int def_val) |
| { |
| int ret; |
| char **cpp; |
| |
| profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); |
| for (cpp = types; *cpp; cpp++) |
| profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); |
| return ret; |
| } |
| |
| static unsigned int get_uint_from_profile(char **types, const char *opt, |
| unsigned int def_val) |
| { |
| unsigned int ret; |
| char **cpp; |
| |
| profile_get_uint(profile, "defaults", opt, 0, def_val, &ret); |
| for (cpp = types; *cpp; cpp++) |
| profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret); |
| return ret; |
| } |
| |
| static double get_double_from_profile(char **types, const char *opt, |
| double def_val) |
| { |
| double ret; |
| char **cpp; |
| |
| profile_get_double(profile, "defaults", opt, 0, def_val, &ret); |
| for (cpp = types; *cpp; cpp++) |
| profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret); |
| return ret; |
| } |
| |
| int get_bool_from_profile(char **types, const char *opt, int def_val) |
| { |
| int ret; |
| char **cpp; |
| |
| profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); |
| for (cpp = 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 *param, |
| unsigned int psector_size) |
| { |
| int rc = -1; |
| unsigned 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(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; |
| |
| /* setting stripe/stride to blocksize is pointless */ |
| if (min_io > blocksize) |
| param->s_raid_stride = min_io / blocksize; |
| if (opt_io > blocksize) |
| 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, flags; |
| int cluster_size = 0; |
| char *tmp, **cpp; |
| int explicit_fssize = 0; |
| int blocksize = 0; |
| int inode_ratio = 0; |
| int inode_size = 0; |
| unsigned long flex_bg_size = 0; |
| double reserved_ratio = -1.0; |
| int lsector_size = 0, psector_size = 0; |
| int show_version_only = 0, is_device = 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; |
| char * fs_type = 0; |
| char * usage_types = 0; |
| /* |
| * NOTE: A few words about fs_blocks_count and blocksize: |
| * |
| * Initially, blocksize is set to zero, which implies 1024. |
| * If -b is specified, blocksize is updated to the user's value. |
| * |
| * Next, the device size or the user's "blocks" command line argument |
| * is used to set fs_blocks_count; the units are blocksize. |
| * |
| * Later, if blocksize hasn't been set and the profile specifies a |
| * blocksize, then blocksize is updated and fs_blocks_count is scaled |
| * appropriately. Note the change in units! |
| * |
| * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs. |
| */ |
| blk64_t fs_blocks_count = 0; |
| long sysval; |
| int s_opt = -1, r_opt = -1; |
| char *fs_features = 0; |
| int fs_features_size = 0; |
| int use_bsize; |
| char *newpath; |
| int pathlen = sizeof(PATH_SET) + 1; |
| |
| if (oldpath) |
| pathlen += strlen(oldpath); |
| newpath = malloc(pathlen); |
| if (!newpath) { |
| fprintf(stderr, "%s", |
| _("Couldn't allocate memory for new PATH.\n")); |
| exit(1); |
| } |
| 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) { |
| retval = profile_init(default_files, &profile); |
| if (retval) |
| goto profile_error; |
| retval = profile_set_default(profile, mke2fs_default_profile); |
| if (retval) |
| goto profile_error; |
| } else if (retval) { |
| profile_error: |
| fprintf(stderr, _("Couldn't init profile successfully" |
| " (error: %ld).\n"), retval); |
| exit(1); |
| } |
| |
| 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 */ |
| |
| if (is_before_linux_ver(2, 2, 0)) |
| fs_param.s_rev_level = 0; |
| |
| 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:cd:e:g:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:Vz:")) != EOF) { |
| switch (c) { |
| case 'b': |
| blocksize = parse_num_blocks2(optarg, -1); |
| b = (blocksize > 0) ? blocksize : -blocksize; |
| if (b < EXT2_MIN_BLOCK_SIZE || |
| b > EXT2_MAX_BLOCK_SIZE) { |
| 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 'C': |
| cluster_size = parse_num_blocks2(optarg, -1); |
| if (cluster_size <= EXT2_MIN_CLUSTER_SIZE || |
| cluster_size > EXT2_MAX_CLUSTER_SIZE) { |
| com_err(program_name, 0, |
| _("invalid cluster size - %s"), |
| optarg); |
| exit(1); |
| } |
| break; |
| case 'd': |
| src_root_dir = optarg; |
| break; |
| case 'D': |
| direct_io = 1; |
| break; |
| case 'R': |
| com_err(program_name, 0, "%s", |
| _("'-R' is deprecated, use '-E' instead")); |
| /* fallthrough */ |
| case 'E': |
| extended_opts = optarg; |
| break; |
| case 'e': |
| if (strcmp(optarg, "continue") == 0) |
| errors_behavior = EXT2_ERRORS_CONTINUE; |
| else if (strcmp(optarg, "remount-ro") == 0) |
| errors_behavior = EXT2_ERRORS_RO; |
| else if (strcmp(optarg, "panic") == 0) |
| errors_behavior = EXT2_ERRORS_PANIC; |
| else { |
| com_err(program_name, 0, |
| _("bad error behavior - %s"), |
| optarg); |
| usage(); |
| } |
| break; |
| case 'F': |
| force++; |
| break; |
| case 'g': |
| fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); |
| if (*tmp) { |
| com_err(program_name, 0, "%s", |
| _("Illegal number for blocks per group")); |
| exit(1); |
| } |
| if ((fs_param.s_blocks_per_group % 8) != 0) { |
| com_err(program_name, 0, "%s", |
| _("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, "%s", |
| _("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, "%s", |
| _("flex_bg size must be a power of 2")); |
| exit(1); |
| } |
| if (flex_bg_size > MAX_32_NUM) { |
| com_err(program_name, 0, |
| _("flex_bg size (%lu) must be less than" |
| " or equal to 2^31"), flex_bg_size); |
| exit(1); |
| } |
| break; |
| case 'i': |
| inode_ratio = parse_num_blocks(optarg, -1); |
| if (inode_ratio < EXT2_MIN_BLOCK_SIZE || |
| inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) { |
| 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 'I': |
| inode_size = strtoul(optarg, &tmp, 0); |
| if (*tmp) { |
| com_err(program_name, 0, |
| _("invalid inode size - %s"), optarg); |
| exit(1); |
| } |
| break; |
| case 'j': |
| if (!journal_size) |
| journal_size = -1; |
| break; |
| case 'J': |
| parse_journal_opts(optarg); |
| break; |
| case 'K': |
| fprintf(stderr, "%s", |
| _("Warning: -K option is deprecated and " |
| "should not be used anymore. Use " |
| "\'-E nodiscard\' extended option " |
| "instead!\n")); |
| discard = 0; |
| break; |
| case 'l': |
| bad_blocks_filename = realloc(bad_blocks_filename, |
| strlen(optarg) + 1); |
| if (!bad_blocks_filename) { |
| com_err(program_name, ENOMEM, "%s", |
| _("in malloc for bad_blocks_filename")); |
| exit(1); |
| } |
| strcpy(bad_blocks_filename, optarg); |
| break; |
| case 'L': |
| volume_label = optarg; |
| if (strlen(volume_label) > EXT2_LABEL_LEN) { |
| volume_label[EXT2_LABEL_LEN] = '\0'; |
| fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"), |
| volume_label); |
| } |
| 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 'M': |
| mount_dir = optarg; |
| break; |
| case 'n': |
| noaction++; |
| 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': |
| creator_os = optarg; |
| break; |
| case 'O': |
| retval = ext2fs_resize_mem(fs_features_size, |
| fs_features_size + 1 + strlen(optarg), |
| &fs_features); |
| if (retval) { |
| com_err(program_name, retval, |
| _("while allocating fs_feature string")); |
| exit(1); |
| } |
| if (fs_features_size) |
| strcat(fs_features, ","); |
| else |
| fs_features[0] = 0; |
| strcat(fs_features, optarg); |
| fs_features_size += 1 + strlen(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); |
| } |
| if (r_opt > EXT2_MAX_SUPP_REV) { |
| com_err(program_name, EXT2_ET_REV_TOO_HIGH, |
| _("while trying to create revision %d"), r_opt); |
| exit(1); |
| } |
| fs_param.s_rev_level = r_opt; |
| break; |
| case 's': /* deprecated */ |
| s_opt = atoi(optarg); |
| break; |
| case 'S': |
| super_only = 1; |
| break; |
| case 't': |
| if (fs_type) { |
| com_err(program_name, 0, "%s", |
| _("The -t option may only be used once")); |
| exit(1); |
| } |
| fs_type = strdup(optarg); |
| break; |
| case 'T': |
| if (usage_types) { |
| com_err(program_name, 0, "%s", |
| _("The -T option may only be used once")); |
| exit(1); |
| } |
| usage_types = strdup(optarg); |
| break; |
| case 'U': |
| fs_uuid = optarg; |
| break; |
| case 'v': |
| verbose = 1; |
| break; |
| case 'V': |
| /* Print version number and exit */ |
| show_version_only++; |
| break; |
| case 'z': |
| undo_file = optarg; |
| 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_free(&jfs); |
| } |
| |
| if (optind < argc) { |
| fs_blocks_count = parse_num_blocks2(argv[optind++], |
| fs_param.s_log_block_size); |
| if (!fs_blocks_count) { |
| com_err(program_name, 0, |
| _("invalid blocks '%s' on device '%s'"), |
| argv[optind - 1], device_name); |
| exit(1); |
| } |
| } |
| if (optind < argc) |
| usage(); |
| |
| profile_get_integer(profile, "options", "proceed_delay", 0, 0, |
| &proceed_delay); |
| |
| /* The isatty() test is so we don't break existing scripts */ |
| flags = CREATE_FILE; |
| if (isatty(0) && isatty(1) && !offset) |
| flags |= CHECK_FS_EXIST; |
| if (!quiet) |
| flags |= VERBOSE_CREATE; |
| if (fs_blocks_count == 0) |
| flags |= NO_SIZE; |
| else |
| explicit_fssize = 1; |
| if (!check_plausibility(device_name, flags, &is_device) && !force) |
| proceed_question(proceed_delay); |
| |
| check_mount(device_name, force, _("filesystem")); |
| |
| /* Determine the size of the device (if possible) */ |
| if (noaction && fs_blocks_count) { |
| dev_size = fs_blocks_count; |
| retval = 0; |
| } else |
| #ifndef _WIN32 |
| retval = ext2fs_get_device_size2(device_name, |
| EXT2_BLOCK_SIZE(&fs_param), |
| &dev_size); |
| #else |
| retval = ext2fs_get_device_size(device_name, |
| EXT2_BLOCK_SIZE(&fs_param), |
| &dev_size); |
| #endif |
| if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { |
| com_err(program_name, retval, "%s", |
| _("while trying to determine filesystem size")); |
| exit(1); |
| } |
| if (!fs_blocks_count) { |
| if (retval == EXT2_ET_UNIMPLEMENTED) { |
| com_err(program_name, 0, "%s", |
| _("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, "%s", |
| _("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_blocks_count = dev_size; |
| if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) |
| fs_blocks_count &= ~((blk64_t) ((sys_page_size / |
| EXT2_BLOCK_SIZE(&fs_param))-1)); |
| } |
| } else if (!force && is_device && (fs_blocks_count > dev_size)) { |
| com_err(program_name, 0, "%s", |
| _("Filesystem larger than apparent device size.")); |
| proceed_question(proceed_delay); |
| } |
| |
| if (!fs_type) |
| profile_get_string(profile, "devices", device_name, |
| "fs_type", 0, &fs_type); |
| if (!usage_types) |
| profile_get_string(profile, "devices", device_name, |
| "usage_types", 0, &usage_types); |
| |
| /* |
| * We have the file system (or device) size, so we can now |
| * determine the appropriate file system types so the fs can |
| * be appropriately configured. |
| */ |
| fs_types = parse_fs_type(fs_type, usage_types, &fs_param, |
| fs_blocks_count ? fs_blocks_count : dev_size, |
| argv[0]); |
| if (!fs_types) { |
| fprintf(stderr, "%s", _("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,large_file,filetype,resize_inode,dir_index"); |
| edit_feature(tmp, &fs_param.s_feature_compat); |
| free(tmp); |
| |
| /* And which mount options as well */ |
| tmp = get_string_from_profile(fs_types, "default_mntopts", |
| "acl,user_xattr"); |
| edit_mntopts(tmp, &fs_param.s_default_mount_opts); |
| if (tmp) |
| 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); |
| if (tmp) |
| free(tmp); |
| } |
| tmp = get_string_from_profile(fs_types, "default_features", |
| ""); |
| } |
| /* Mask off features which aren't supported by the Hurd */ |
| if (for_hurd(creator_os)) { |
| ext2fs_clear_feature_filetype(&fs_param); |
| ext2fs_clear_feature_huge_file(&fs_param); |
| ext2fs_clear_feature_metadata_csum(&fs_param); |
| } |
| edit_feature(fs_features ? fs_features : tmp, |
| &fs_param.s_feature_compat); |
| if (tmp) |
| free(tmp); |
| (void) ext2fs_free_mem(&fs_features); |
| /* |
| * If the user specified features incompatible with the Hurd, complain |
| */ |
| if (for_hurd(creator_os)) { |
| if (ext2fs_has_feature_filetype(&fs_param)) { |
| fprintf(stderr, "%s", _("The HURD does not support the " |
| "filetype feature.\n")); |
| exit(1); |
| } |
| if (ext2fs_has_feature_huge_file(&fs_param)) { |
| fprintf(stderr, "%s", _("The HURD does not support the " |
| "huge_file feature.\n")); |
| exit(1); |
| } |
| if (ext2fs_has_feature_metadata_csum(&fs_param)) { |
| fprintf(stderr, "%s", _("The HURD does not support the " |
| "metadata_csum feature.\n")); |
| exit(1); |
| } |
| } |
| |
| /* Get the hardware sector sizes, if available */ |
| retval = ext2fs_get_device_sectsize(device_name, &lsector_size); |
| if (retval) { |
| com_err(program_name, retval, "%s", |
| _("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, "%s", |
| _("while trying to determine physical sector size")); |
| exit(1); |
| } |
| |
| tmp = getenv("MKE2FS_DEVICE_SECTSIZE"); |
| if (tmp != NULL) |
| lsector_size = atoi(tmp); |
| tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE"); |
| if (tmp != 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 (is_before_linux_ver(2, 6, 0) && 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_blocks_count /= (blocksize / 1024); |
| } else { |
| if (blocksize < lsector_size) { /* Impossible */ |
| com_err(program_name, EINVAL, "%s", |
| _("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); |
| } |
| } |
| |
| fs_param.s_log_block_size = |
| int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); |
| |
| /* |
| * We now need to do a sanity check of fs_blocks_count for |
| * 32-bit vs 64-bit block number support. |
| */ |
| if ((fs_blocks_count > MAX_32_NUM) && |
| ext2fs_has_feature_64bit(&fs_param)) |
| ext2fs_clear_feature_resize_inode(&fs_param); |
| if ((fs_blocks_count > MAX_32_NUM) && |
| !ext2fs_has_feature_64bit(&fs_param) && |
| get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) { |
| ext2fs_set_feature_64bit(&fs_param); |
| ext2fs_clear_feature_resize_inode(&fs_param); |
| } |
| if ((fs_blocks_count > MAX_32_NUM) && |
| !ext2fs_has_feature_64bit(&fs_param)) { |
| fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s " |
| "too big to be expressed\n\t" |
| "in 32 bits using a blocksize of %d.\n"), |
| program_name, fs_blocks_count, device_name, |
| EXT2_BLOCK_SIZE(&fs_param)); |
| exit(1); |
| } |
| |
| ext2fs_blocks_count_set(&fs_param, fs_blocks_count); |
| |
| if (ext2fs_has_feature_journal_dev(&fs_param)) { |
| 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, "%s", _("Filesystem features not supported " |
| "with revision 0 filesystems\n")); |
| exit(1); |
| } |
| |
| if (s_opt > 0) { |
| if (r_opt == EXT2_GOOD_OLD_REV) { |
| fprintf(stderr, "%s", |
| _("Sparse superblocks not supported " |
| "with revision 0 filesystems\n")); |
| exit(1); |
| } |
| ext2fs_set_feature_sparse_super(&fs_param); |
| } else if (s_opt == 0) |
| ext2fs_clear_feature_sparse_super(&fs_param); |
| |
| if (journal_size != 0) { |
| if (r_opt == EXT2_GOOD_OLD_REV) { |
| fprintf(stderr, "%s", _("Journals not supported with " |
| "revision 0 filesystems\n")); |
| exit(1); |
| } |
| ext2fs_set_feature_journal(&fs_param); |
| } |
| |
| /* Get reserved_ratio from profile if not specified on cmd line. */ |
| if (reserved_ratio < 0.0) { |
| reserved_ratio = get_double_from_profile( |
| fs_types, "reserved_ratio", 5.0); |
| if (reserved_ratio > 50 || reserved_ratio < 0) { |
| com_err(program_name, 0, |
| _("invalid reserved blocks percent - %lf"), |
| reserved_ratio); |
| exit(1); |
| } |
| } |
| |
| if (ext2fs_has_feature_journal_dev(&fs_param)) { |
| 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 &= |
| EXT4_FEATURE_RO_COMPAT_METADATA_CSUM; |
| } |
| |
| /* Check the user's mkfs options for 64bit */ |
| if (ext2fs_has_feature_64bit(&fs_param) && |
| !ext2fs_has_feature_extents(&fs_param)) { |
| printf("%s", _("Extents MUST be enabled for a 64-bit " |
| "filesystem. Pass -O extents to rectify.\n")); |
| exit(1); |
| } |
| |
| /* Set first meta blockgroup via an environment variable */ |
| /* (this is mostly for debugging purposes) */ |
| if (ext2fs_has_feature_meta_bg(&fs_param) && |
| (tmp = getenv("MKE2FS_FIRST_META_BG"))) |
| fs_param.s_first_meta_bg = atoi(tmp); |
| if (ext2fs_has_feature_bigalloc(&fs_param)) { |
| if (!cluster_size) |
| cluster_size = get_int_from_profile(fs_types, |
| "cluster_size", |
| blocksize*16); |
| fs_param.s_log_cluster_size = |
| int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE); |
| if (fs_param.s_log_cluster_size && |
| fs_param.s_log_cluster_size < fs_param.s_log_block_size) { |
| com_err(program_name, 0, "%s", |
| _("The cluster size may not be " |
| "smaller than the block size.\n")); |
| exit(1); |
| } |
| } else if (cluster_size) { |
| com_err(program_name, 0, "%s", |
| _("specifying a cluster size requires the " |
| "bigalloc feature")); |
| exit(1); |
| } else |
| fs_param.s_log_cluster_size = fs_param.s_log_block_size; |
| |
| if (inode_ratio == 0) { |
| inode_ratio = get_int_from_profile(fs_types, "inode_ratio", |
| 8192); |
| if (inode_ratio < blocksize) |
| inode_ratio = blocksize; |
| if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param)) |
| inode_ratio = EXT2_CLUSTER_SIZE(&fs_param); |
| } |
| |
| #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY |
| retval = get_device_geometry(device_name, &fs_param, |
| (unsigned int) 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 |
| |
| num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2); |
| |
| blocksize = EXT2_BLOCK_SIZE(&fs_param); |
| |
| /* |
| * Initialize s_desc_size so that the parse_extended_opts() |
| * can correctly handle "-E resize=NNN" if the 64-bit option |
| * is set. |
| */ |
| if (ext2fs_has_feature_64bit(&fs_param)) |
| fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT; |
| |
| /* This check should happen beyond the last assignment to blocksize */ |
| 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(proceed_delay); |
| } |
| fprintf(stderr, _("Warning: %d-byte blocks too big for system " |
| "(max %d), forced to continue\n"), |
| blocksize, sys_page_size); |
| } |
| |
| /* Metadata checksumming wasn't totally stable before 3.18. */ |
| if (is_before_linux_ver(3, 18, 0) && |
| ext2fs_has_feature_metadata_csum(&fs_param)) |
| fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for " |
| "improved stability of the metadata and journal " |
| "checksum features.\n")); |
| |
| /* |
| * On newer kernels we do have lazy_itable_init support. So pick the |
| * right default in case ext4 module is not loaded. |
| */ |
| if (is_before_linux_ver(2, 6, 37)) |
| lazy_itable_init = 0; |
| else |
| lazy_itable_init = 1; |
| |
| 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); |
| journal_flags |= get_bool_from_profile(fs_types, |
| "lazy_journal_init", 0) ? |
| EXT2_MKJOURNAL_LAZYINIT : 0; |
| journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK; |
| |
| if (!journal_location_string) |
| journal_location_string = get_string_from_profile(fs_types, |
| "journal_location", ""); |
| if ((journal_location == ~0ULL) && journal_location_string && |
| *journal_location_string) |
| journal_location = parse_num_blocks2(journal_location_string, |
| fs_param.s_log_block_size); |
| free(journal_location_string); |
| |
| packed_meta_blocks = get_bool_from_profile(fs_types, |
| "packed_meta_blocks", 0); |
| if (packed_meta_blocks) |
| journal_location = 0; |
| |
| /* 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); |
| |
| if (explicit_fssize == 0 && offset > 0) { |
| fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param); |
| ext2fs_blocks_count_set(&fs_param, fs_blocks_count); |
| fprintf(stderr, |
| _("\nWarning: offset specified without an " |
| "explicit file system size.\n" |
| "Creating a file system with %llu blocks " |
| "but this might\n" |
| "not be what you want.\n\n"), |
| (unsigned long long) fs_blocks_count); |
| } |
| |
| /* Don't allow user to set both metadata_csum and uninit_bg bits. */ |
| if (ext2fs_has_feature_metadata_csum(&fs_param) && |
| ext2fs_has_feature_gdt_csum(&fs_param)) |
| ext2fs_clear_feature_gdt_csum(&fs_param); |
| |
| /* Can't support bigalloc feature without extents feature */ |
| if (ext2fs_has_feature_bigalloc(&fs_param) && |
| !ext2fs_has_feature_extents(&fs_param)) { |
| com_err(program_name, 0, "%s", |
| _("Can't support bigalloc feature without " |
| "extents feature")); |
| exit(1); |
| } |
| |
| if (ext2fs_has_feature_meta_bg(&fs_param) && |
| ext2fs_has_feature_resize_inode(&fs_param)) { |
| fprintf(stderr, "%s", _("The resize_inode and meta_bg " |
| "features are not compatible.\n" |
| "They can not be both enabled " |
| "simultaneously.\n")); |
| exit(1); |
| } |
| |
| if (!quiet && ext2fs_has_feature_bigalloc(&fs_param)) |
| fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is " |
| "still under development\n" |
| "See https://ext4.wiki.kernel.org/" |
| "index.php/Bigalloc for more information\n\n")); |
| |
| /* |
| * Since sparse_super is the default, we would only have a problem |
| * here if it was explicitly disabled. |
| */ |
| if (ext2fs_has_feature_resize_inode(&fs_param) && |
| !ext2fs_has_feature_sparse_super(&fs_param)) { |
| com_err(program_name, 0, "%s", |
| _("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, "%s", |
| _("blocks per group count out of range")); |
| exit(1); |
| } |
| } |
| |
| /* |
| * If the bigalloc feature is enabled, then the -g option will |
| * specify the number of clusters per group. |
| */ |
| if (ext2fs_has_feature_bigalloc(&fs_param)) { |
| fs_param.s_clusters_per_group = fs_param.s_blocks_per_group; |
| fs_param.s_blocks_per_group = 0; |
| } |
| |
| if (inode_size == 0) |
| inode_size = get_int_from_profile(fs_types, "inode_size", 0); |
| if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param)) |
| flex_bg_size = get_uint_from_profile(fs_types, |
| "flex_bg_size", 16); |
| if (flex_bg_size) { |
| if (!ext2fs_has_feature_flex_bg(&fs_param)) { |
| com_err(program_name, 0, "%s", |
| _("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; |
| } |
| |
| /* |
| * If inode size is 128 and inline data is enabled, we need |
| * to notify users that inline data will never be useful. |
| */ |
| if (ext2fs_has_feature_inline_data(&fs_param) && |
| fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) { |
| com_err(program_name, 0, |
| _("%d byte inodes are too small for inline data; " |
| "specify larger size"), |
| fs_param.s_inode_size); |
| exit(1); |
| } |
| |
| /* |
| * If inode size is 128 and project quota is enabled, we need |
| * to notify users that project ID will never be useful. |
| */ |
| if (ext2fs_has_feature_project(&fs_param) && |
| fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) { |
| com_err(program_name, 0, |
| _("%d byte inodes are too small for project quota; " |
| "specify larger size"), |
| fs_param.s_inode_size); |
| exit(1); |
| } |
| |
| /* Make sure number of inodes specified will fit in 32 bits */ |
| if (num_inodes == 0) { |
| unsigned long long n; |
| n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio; |
| if (n > MAX_32_NUM) { |
| if (ext2fs_has_feature_64bit(&fs_param)) |
| num_inodes = MAX_32_NUM; |
| else { |
| com_err(program_name, 0, |
| _("too many inodes (%llu), raise " |
| "inode ratio?"), n); |
| exit(1); |
| } |
| } |
| } else if (num_inodes > MAX_32_NUM) { |
| 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 : |
| (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio; |
| |
| if ((((unsigned long long)fs_param.s_inodes_count) * |
| (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= |
| ((ext2fs_blocks_count(&fs_param)) * |
| EXT2_BLOCK_SIZE(&fs_param))) { |
| com_err(program_name, 0, _("inode_size (%u) * inodes_count " |
| "(%u) too big for a\n\t" |
| "filesystem with %llu 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 long) ext2fs_blocks_count(&fs_param)); |
| exit(1); |
| } |
| |
| /* |
| * Calculate number of blocks to reserve |
| */ |
| ext2fs_r_blocks_count_set(&fs_param, reserved_ratio * |
| ext2fs_blocks_count(&fs_param) / 100.0); |
| |
| if (ext2fs_has_feature_sparse_super2(&fs_param)) { |
| if (num_backups >= 1) |
| fs_param.s_backup_bgs[0] = 1; |
| if (num_backups >= 2) |
| fs_param.s_backup_bgs[1] = ~0; |
| } |
| |
| free(fs_type); |
| free(usage_types); |
| } |
| |
| 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 = ext2fs_has_feature_metadata_csum(&fs_param) || |
| ext2fs_has_feature_gdt_csum(&fs_param); |
| 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_blk64(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 = ENOMEM; |
| char *tdb_dir = NULL, *tdb_file = NULL; |
| char *dev_name, *tmp_name; |
| int free_tdb_dir = 0; |
| |
| /* (re)open a specific undo file */ |
| if (undo_file && undo_file[0] != 0) { |
| retval = set_undo_io_backing_manager(*io_ptr); |
| if (retval) |
| goto err; |
| *io_ptr = undo_io_manager; |
| retval = set_undo_io_backup_file(undo_file); |
| if (retval) |
| goto err; |
| printf(_("Overwriting existing filesystem; this can be undone " |
| "using the command:\n" |
| " e2undo %s %s\n\n"), undo_file, name); |
| return retval; |
| } |
| |
| /* |
| * 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); |
| free_tdb_dir = 1; |
| } |
| |
| if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || |
| access(tdb_dir, W_OK)) { |
| if (free_tdb_dir) |
| free(tdb_dir); |
| return 0; |
| } |
| |
| tmp_name = strdup(name); |
| if (!tmp_name) |
| goto errout; |
| dev_name = basename(tmp_name); |
| tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1); |
| if (!tdb_file) { |
| free(tmp_name); |
| goto errout; |
| } |
| sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name); |
| free(tmp_name); |
| |
| if ((unlink(tdb_file) < 0) && (errno != ENOENT)) { |
| retval = errno; |
| com_err(program_name, retval, |
| _("while trying to delete %s"), tdb_file); |
| goto errout; |
| } |
| |
| retval = set_undo_io_backing_manager(*io_ptr); |
| if (retval) |
| goto errout; |
| *io_ptr = undo_io_manager; |
| retval = set_undo_io_backup_file(tdb_file); |
| if (retval) |
| goto errout; |
| printf(_("Overwriting existing filesystem; this can be undone " |
| "using the command:\n" |
| " e2undo %s %s\n\n"), tdb_file, name); |
| |
| if (free_tdb_dir) |
| free(tdb_dir); |
| free(tdb_file); |
| return 0; |
| |
| errout: |
| if (free_tdb_dir) |
| free(tdb_dir); |
| free(tdb_file); |
| err: |
| com_err(program_name, retval, "%s", |
| _("while trying to setup undo file\n")); |
| return retval; |
| } |
| |
| static int mke2fs_discard_device(ext2_filsys fs) |
| { |
| struct ext2fs_numeric_progress_struct progress; |
| blk64_t blocks = ext2fs_blocks_count(fs->super); |
| blk64_t count = DISCARD_STEP_MB; |
| blk64_t cur; |
| int retval = 0; |
| |
| /* |
| * Let's try if discard really works on the device, so |
| * we do not print numeric progress resulting in failure |
| * afterwards. |
| */ |
| retval = io_channel_discard(fs->io, 0, fs->blocksize); |
| if (retval) |
| return retval; |
| cur = fs->blocksize; |
| |
| count *= (1024 * 1024); |
| count /= fs->blocksize; |
| |
| ext2fs_numeric_progress_init(fs, &progress, |
| _("Discarding device blocks: "), |
| blocks); |
| while (cur < blocks) { |
| ext2fs_numeric_progress_update(fs, &progress, cur); |
| |
| if (cur + count > blocks) |
| count = blocks - cur; |
| |
| retval = io_channel_discard(fs->io, cur, count); |
| if (retval) |
| break; |
| cur += count; |
| } |
| |
| if (retval) { |
| ext2fs_numeric_progress_close(fs, &progress, |
| _("failed - ")); |
| if (!quiet) |
| printf("%s\n",error_message(retval)); |
| } else |
| ext2fs_numeric_progress_close(fs, &progress, |
| _("done \n")); |
| |
| return retval; |
| } |
| |
| static void fix_cluster_bg_counts(ext2_filsys fs) |
| { |
| blk64_t block, num_blocks, last_block, next; |
| blk64_t tot_free = 0; |
| errcode_t retval; |
| dgrp_t group = 0; |
| int grp_free = 0; |
| |
| num_blocks = ext2fs_blocks_count(fs->super); |
| last_block = ext2fs_group_last_block2(fs, group); |
| block = fs->super->s_first_data_block; |
| while (block < num_blocks) { |
| retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map, |
| block, last_block, &next); |
| if (retval == 0) |
| block = next; |
| else { |
| block = last_block + 1; |
| goto next_bg; |
| } |
| |
| retval = ext2fs_find_first_set_block_bitmap2(fs->block_map, |
| block, last_block, &next); |
| if (retval) |
| next = last_block + 1; |
| grp_free += EXT2FS_NUM_B2C(fs, next - block); |
| tot_free += next - block; |
| block = next; |
| |
| if (block > last_block) { |
| next_bg: |
| ext2fs_bg_free_blocks_count_set(fs, group, grp_free); |
| ext2fs_group_desc_csum_set(fs, group); |
| grp_free = 0; |
| group++; |
| last_block = ext2fs_group_last_block2(fs, group); |
| } |
| } |
| ext2fs_free_blocks_count_set(fs->super, tot_free); |
| } |
| |
| static int create_quota_inodes(ext2_filsys fs) |
| { |
| quota_ctx_t qctx; |
| errcode_t retval; |
| |
| retval = quota_init_context(&qctx, fs, QUOTA_ALL_BIT); |
| if (retval) { |
| com_err(program_name, retval, |
| _("while initializing quota context")); |
| exit(1); |
| } |
| quota_compute_usage(qctx); |
| retval = quota_write_inode(qctx, quotatype_bits); |
| if (retval) { |
| com_err(program_name, retval, |
| _("while writing quota inodes")); |
| exit(1); |
| } |
| quota_release_context(&qctx); |
| |
| return 0; |
| } |
| |
| static errcode_t set_error_behavior(ext2_filsys fs) |
| { |
| char *arg = NULL; |
| short errors = fs->super->s_errors; |
| |
| arg = get_string_from_profile(fs_types, "errors", NULL); |
| if (arg == NULL) |
| goto try_user; |
| |
| if (strcmp(arg, "continue") == 0) |
| errors = EXT2_ERRORS_CONTINUE; |
| else if (strcmp(arg, "remount-ro") == 0) |
| errors = EXT2_ERRORS_RO; |
| else if (strcmp(arg, "panic") == 0) |
| errors = EXT2_ERRORS_PANIC; |
| else { |
| com_err(program_name, 0, |
| _("bad error behavior in profile - %s"), |
| arg); |
| free(arg); |
| return EXT2_ET_INVALID_ARGUMENT; |
| } |
| free(arg); |
| |
| try_user: |
| if (errors_behavior) |
| errors = errors_behavior; |
| |
| fs->super->s_errors = errors; |
| return 0; |
| } |
| |
| int main (int argc, char *argv[]) |
| { |
| errcode_t retval = 0; |
| ext2_filsys fs; |
| badblocks_list bb_list = 0; |
| unsigned int journal_blocks = 0; |
| unsigned int i, checkinterval; |
| int max_mnt_count; |
| int val, hash_alg; |
| int flags; |
| int old_bitmaps; |
| io_manager io_ptr; |
| char opt_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); |
| set_com_err_gettext(gettext); |
| #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 (undo_file != NULL || should_do_undo(device_name)) { |
| retval = mke2fs_setup_tdb(device_name, &io_ptr); |
| if (retval) |
| exit(1); |
| } |
| |
| /* |
| * Initialize the superblock.... |
| */ |
| flags = EXT2_FLAG_EXCLUSIVE; |
| if (direct_io) |
| flags |= EXT2_FLAG_DIRECT_IO; |
| profile_get_boolean(profile, "options", "old_bitmaps", 0, 0, |
| &old_bitmaps); |
| if (!old_bitmaps) |
| flags |= EXT2_FLAG_64BITS; |
| /* |
| * By default, we print how many inode tables or block groups |
| * or whatever we've written so far. The quiet flag disables |
| * this, along with a lot of other output. |
| */ |
| if (!quiet) |
| flags |= EXT2_FLAG_PRINT_PROGRESS; |
| if (android_sparse_file) { |
| android_sparse_params = malloc(PATH_MAX + 32); |
| if (!android_sparse_params) { |
| com_err(program_name, ENOMEM, "%s", |
| _("in malloc for android_sparse_params")); |
| exit(1); |
| } |
| snprintf(android_sparse_params, PATH_MAX + 32, "(%s):%u:%u", |
| device_name, fs_param.s_blocks_count, |
| 1024 << fs_param.s_log_block_size); |
| retval = ext2fs_initialize(android_sparse_params, flags, |
| &fs_param, sparse_io_manager, &fs); |
| } else |
| retval = ext2fs_initialize(device_name, flags, &fs_param, |
| io_ptr, &fs); |
| if (retval) { |
| com_err(device_name, retval, "%s", |
| _("while setting up superblock")); |
| exit(1); |
| } |
| fs->progress_ops = &ext2fs_numeric_progress_ops; |
| |
| /* Set the error behavior */ |
| retval = set_error_behavior(fs); |
| if (retval) |
| usage(); |
| |
| /* Check the user's mkfs options for metadata checksumming */ |
| if (!quiet && |
| !ext2fs_has_feature_journal_dev(fs->super) && |
| ext2fs_has_feature_metadata_csum(fs->super)) { |
| if (!ext2fs_has_feature_extents(fs->super)) |
| printf("%s", |
| _("Extents are not enabled. The file extent " |
| "tree can be checksummed, whereas block maps " |
| "cannot. Not enabling extents reduces the " |
| "coverage of metadata checksumming. " |
| "Pass -O extents to rectify.\n")); |
| if (!ext2fs_has_feature_64bit(fs->super)) |
| printf("%s", |
| _("64-bit filesystem support is not enabled. " |
| "The larger fields afforded by this feature " |
| "enable full-strength checksumming. " |
| "Pass -O 64bit to rectify.\n")); |
| } |
| |
| if (ext2fs_has_feature_csum_seed(fs->super) && |
| !ext2fs_has_feature_metadata_csum(fs->super)) { |
| printf("%s", _("The metadata_csum_seed feature " |
| "requres the metadata_csum feature.\n")); |
| exit(1); |
| } |
| |
| /* Calculate journal blocks */ |
| if (!journal_device && ((journal_size) || |
| ext2fs_has_feature_journal(&fs_param))) |
| journal_blocks = figure_journal_size(journal_size, fs); |
| |
| sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? |
| 32768 : fs->blocksize * 8); |
| io_channel_set_options(fs->io, opt_string); |
| if (offset) { |
| sprintf(opt_string, "offset=%llu", offset); |
| io_channel_set_options(fs->io, opt_string); |
| } |
| |
| /* Can't undo discard ... */ |
| if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) { |
| retval = mke2fs_discard_device(fs); |
| if (!retval && io_channel_discard_zeroes_data(fs->io)) { |
| if (verbose) |
| printf("%s", |
| _("Discard succeeded and will return " |
| "0s - skipping inode table wipe\n")); |
| lazy_itable_init = 1; |
| itable_zeroed = 1; |
| zero_hugefile = 0; |
| } |
| } |
| |
| if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) |
| fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; |
| |
| if (ext2fs_has_feature_flex_bg(&fs_param) || |
| ext2fs_has_feature_huge_file(&fs_param) || |
| ext2fs_has_feature_gdt_csum(&fs_param) || |
| ext2fs_has_feature_dir_nlink(&fs_param) || |
| ext2fs_has_feature_metadata_csum(&fs_param) || |
| ext2fs_has_feature_extra_isize(&fs_param)) |
| 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); |
| |
| if (ext2fs_has_feature_csum_seed(fs->super)) |
| fs->super->s_checksum_seed = ext2fs_crc32c_le(~0, |
| fs->super->s_uuid, sizeof(fs->super->s_uuid)); |
| |
| ext2fs_init_csum_seed(fs); |
| |
| /* |
| * 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; |
| |
| if (memcmp(fs_param.s_hash_seed, zero_buf, |
| sizeof(fs_param.s_hash_seed)) != 0) { |
| memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed, |
| sizeof(fs->super->s_hash_seed)); |
| } else |
| uuid_generate((unsigned char *) fs->super->s_hash_seed); |
| |
| /* |
| * Periodic checks can be enabled/disabled via config file. |
| * Note we override the kernel include file's idea of what the default |
| * check interval (never) should be. It's a good idea to check at |
| * least *occasionally*, specially since servers will never rarely get |
| * to reboot, since Linux is so robust these days. :-) |
| * |
| * 180 days (six months) seems like a good value. |
| */ |
| #ifdef EXT2_DFL_CHECKINTERVAL |
| #undef EXT2_DFL_CHECKINTERVAL |
| #endif |
| #define EXT2_DFL_CHECKINTERVAL (86400L * 180L) |
| |
| if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) { |
| fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL; |
| fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT; |
| /* |
| * 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; |
| } else |
| fs->super->s_max_mnt_count = -1; |
| |
| /* |
| * 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) |
| ext2fs_clear_feature_filetype(fs->super); |
| |
| /* |
| * 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)); |
| } |
| |
| /* Set current default encryption algorithms for data and |
| * filename encryption */ |
| if (ext2fs_has_feature_encrypt(fs->super)) { |
| fs->super->s_encrypt_algos[0] = |
| EXT4_ENCRYPTION_MODE_AES_256_XTS; |
| fs->super->s_encrypt_algos[1] = |
| EXT4_ENCRYPTION_MODE_AES_256_CTS; |
| } |
| |
| if (ext2fs_has_feature_metadata_csum(fs->super)) |
| fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM; |
| |
| if (!quiet || noaction) |
| show_stats(fs); |
| |
| if (noaction) |
| exit(0); |
| |
| if (ext2fs_has_feature_journal_dev(fs->super)) { |
| create_journal_dev(fs); |
| printf("\n"); |
| exit(ext2fs_close_free(&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; |
| if (!quiet) |
| printf("%s", _("Allocating group tables: ")); |
| if (ext2fs_has_feature_flex_bg(fs->super) && |
| packed_meta_blocks) |
| retval = packed_allocate_tables(fs); |
| else |
| retval = ext2fs_allocate_tables(fs); |
| if (retval) { |
| com_err(program_name, retval, "%s", |
| _("while trying to allocate filesystem tables")); |
| exit(1); |
| } |
| if (!quiet) |
| printf("%s", _("done \n")); |
| |
| retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map); |
| if (retval) { |
| com_err(program_name, retval, "%s", |
| _("\n\twhile converting subcluster bitmap")); |
| exit(1); |
| } |
| |
| if (super_only) { |
| check_plausibility(device_name, CHECK_FS_EXIST, NULL); |
| printf(_("%s may be further corrupted by superblock rewrite\n"), |
| device_name); |
| if (!force) |
| proceed_question(proceed_delay); |
| fs->super->s_state |= EXT2_ERROR_FS; |
| fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); |
| /* |
| * The command "mke2fs -S" is used to recover |
| * corrupted file systems, so do not mark any of the |
| * inodes as unused; we want e2fsck to consider all |
| * inodes as potentially containing recoverable data. |
| */ |
| if (ext2fs_has_group_desc_csum(fs)) { |
| for (i = 0; i < fs->group_desc_count; i++) |
| ext2fs_bg_itable_unused_set(fs, i, 0); |
| } |
| } else { |
| /* rsv must be a power of two (64kB is MD RAID sb alignment) */ |
| blk64_t rsv = 65536 / fs->blocksize; |
| blk64_t blocks = ext2fs_blocks_count(fs->super); |
| blk64_t start; |
| blk64_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_blocks2(fs, start, blocks - start, |
| &ret_blk, NULL); |
| |
| if (retval) { |
| com_err(program_name, retval, |
| _("while zeroing block %llu 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 (ext2fs_has_feature_resize_inode(fs->super)) { |
| retval = ext2fs_create_resize_inode(fs); |
| if (retval) { |
| com_err("ext2fs_create_resize_inode", retval, |
| "%s", |
| _("while reserving blocks for online resize")); |
| exit(1); |
| } |
| } |
| } |
| |
| if (journal_device) { |
| ext2_filsys jfs; |
| |
| if (!check_plausibility(journal_device, CHECK_BLOCK_DEV, |
| NULL) && !force) |
| proceed_question(proceed_delay); |
| 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("%s", _("done\n")); |
| ext2fs_close_free(&jfs); |
| free(journal_device); |
| } else if ((journal_size) || |
| ext2fs_has_feature_journal(&fs_param)) { |
| if (super_only) { |
| printf("%s", _("Skipping journal creation in super-only mode\n")); |
| fs->super->s_journal_inum = EXT2_JOURNAL_INO; |
| goto no_journal; |
| } |
| |
| if (!journal_blocks) { |
| ext2fs_clear_feature_journal(fs->super); |
| goto no_journal; |
| } |
| if (!quiet) { |
| printf(_("Creating journal (%u blocks): "), |
| journal_blocks); |
| fflush(stdout); |
| } |
| retval = ext2fs_add_journal_inode2(fs, journal_blocks, |
| journal_location, |
| journal_flags); |
| if (retval) { |
| com_err(program_name, retval, "%s", |
| _("\n\twhile trying to create journal")); |
| exit(1); |
| } |
| if (!quiet) |
| printf("%s", _("done\n")); |
| } |
| no_journal: |
| if (!super_only && |
| ext2fs_has_feature_mmp(fs->super)) { |
| retval = ext2fs_mmp_init(fs); |
| if (retval) { |
| fprintf(stderr, "%s", |
| _("\nError while enabling multiple " |
| "mount protection feature.")); |
| exit(1); |
| } |
| if (!quiet) |
| printf(_("Multiple mount protection is enabled " |
| "with update interval %d seconds.\n"), |
| fs->super->s_mmp_update_interval); |
| } |
| |
| if (ext2fs_has_feature_bigalloc(&fs_param)) |
| fix_cluster_bg_counts(fs); |
| if (ext2fs_has_feature_project(&fs_param)) |
| quotatype_bits |= QUOTA_PRJ_BIT; |
| if (ext2fs_has_feature_quota(&fs_param)) |
| create_quota_inodes(fs); |
| |
| retval = mk_hugefiles(fs, device_name); |
| if (retval) |
| com_err(program_name, retval, "while creating huge files"); |
| /* Copy files from the specified directory */ |
| if (src_root_dir) { |
| if (!quiet) |
| printf("%s", _("Copying files into the device: ")); |
| |
| retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir, |
| EXT2_ROOT_INO); |
| if (retval) { |
| com_err(program_name, retval, "%s", |
| _("while populating file system")); |
| exit(1); |
| } else if (!quiet) |
| printf("%s", _("done\n")); |
| } |
| |
| if (!quiet) |
| printf("%s", _("Writing superblocks and " |
| "filesystem accounting information: ")); |
| checkinterval = fs->super->s_checkinterval; |
| max_mnt_count = fs->super->s_max_mnt_count; |
| retval = ext2fs_close_free(&fs); |
| if (retval) { |
| fprintf(stderr, "%s", |
| _("\nWarning, had trouble writing out superblocks.")); |
| } else if (!quiet) { |
| printf("%s", _("done\n\n")); |
| if (!getenv("MKE2FS_SKIP_CHECK_MSG")) |
| print_check_message(max_mnt_count, checkinterval); |
| } |
| |
| 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; |
| } |