From 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:49:25 +0200 Subject: Adding upstream version 1.47.0. Signed-off-by: Daniel Baumann --- misc/mke2fs.c | 3592 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 3592 insertions(+) create mode 100644 misc/mke2fs.c (limited to 'misc/mke2fs.c') diff --git a/misc/mke2fs.c b/misc/mke2fs.c new file mode 100644 index 0000000..4a9c1b0 --- /dev/null +++ b/misc/mke2fs.c @@ -0,0 +1,3592 @@ +/* + * 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 + +#include "config.h" +#include +#include +#include +#include +#include +#ifdef __linux__ +#include +#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) +#endif +#ifdef HAVE_GETOPT_H +#include +#else +extern char *optarg; +extern int optind; +#endif +#ifdef HAVE_UNISTD_H +#include +#endif +#ifdef HAVE_STDLIB_H +#include +#endif +#ifdef HAVE_ERRNO_H +#include +#endif +#ifdef HAVE_SYS_IOCTL_H +#include +#endif +#include +#include +#include + +#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; +int journal_fc_size; +static e2_blkcnt_t orphan_file_blocks; +static int lazy_itable_init; +static int assume_storage_prezeroed; +static int packed_meta_blocks; +int no_copy_xattrs; +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 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, + (unsigned long long) 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, 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++) { + retval = ext2fs_write_inode_full(fs, ino, inode, + EXT2_INODE_SIZE(fs->super)); + if (retval) { + com_err("ext2fs_write_inode_full", retval, + _("while writing reserved inodes")); + exit(1); + } + } + + 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, (unsigned long long) blk, + error_message(retval)); + exit(1); + } + } + if (sync_kludge) { + if (sync_kludge == 1) + io_channel_flush(fs->io); + else if ((i % sync_kludge) == 0) + io_channel_flush(fs->io); + } + } + 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)) { + free(buf); + 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; + struct ext2fs_journal_params jparams; + + retval = ext2fs_get_journal_params(&jparams, fs); + if (retval) { + com_err("create_journal_dev", retval, "%s", + _("while splitting the journal size")); + exit(1); + } + + retval = ext2fs_create_journal_superblock2(fs, &jparams, 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)"), + (unsigned long long) 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); + (void) ext2fs_free_mem(&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 *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"), + (unsigned long long) 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"), + (unsigned long long) (ext2fs_blocks_count(&fs_param) - + ext2fs_blocks_count(s))); + + printf(_("Filesystem label=%.*s\n"), EXT2_LEN_STR(s->s_volume_name)); + + 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, + (unsigned long long) ext2fs_blocks_count(s)); + printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"), + (unsigned long long) 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", (unsigned long long) 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; + int encoding = -1; + char *encoding_flags = NULL; + + 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, "no_copy_xattrs") == 0) { + no_copy_xattrs = 1; + 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, "assume_storage_prezeroed")) { + if (arg) + assume_storage_prezeroed = strtoul(arg, &p, 0); + else + assume_storage_prezeroed = 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 if (!strcmp(token, "encoding")) { + if (!arg) { + r_usage++; + continue; + } + + encoding = e2p_str2encoding(arg); + if (encoding < 0) { + fprintf(stderr, _("Invalid encoding: %s"), arg); + r_usage++; + continue; + } + param->s_encoding = encoding; + ext2fs_set_feature_casefold(param); + } else if (!strcmp(token, "encoding_flags")) { + if (!arg) { + r_usage++; + continue; + } + encoding_flags = arg; + } else if (!strcmp(token, "orphan_file_size")) { + if (!arg) { + r_usage++; + badopt = token; + continue; + } + orphan_file_blocks = parse_num_blocks2(arg, + fs_param.s_log_block_size); + if (orphan_file_blocks == 0) { + fprintf(stderr, + _("Invalid size of orphan file %s\n"), + arg); + r_usage++; + continue; + } + } 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=\n" + "\tnum_backup_sb=<0|1|2>\n" + "\tstride=\n" + "\tstripe-width=\n" + "\toffset=\n" + "\tresize=\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=:\n" + "\ttest_fs\n" + "\tdiscard\n" + "\tnodiscard\n" + "\tencoding=\n" + "\tencoding_flags=\n" + "\tquotatype=\n" + "\tassume_storage_prezeroed=<0 to disable, 1 to enable>\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); + + if (ext2fs_has_feature_casefold(param)) { + param->s_encoding_flags = + e2p_get_encoding_flags(param->s_encoding); + + if (encoding_flags && + e2p_str2encoding_flags(param->s_encoding, encoding_flags, + ¶m->s_encoding_flags)) { + fprintf(stderr, _("error: Invalid encoding flag: %s\n"), + encoding_flags); + free(buf); + exit(1); + } + } else if (encoding_flags) { + fprintf(stderr, _("error: An encoding must be explicitly " + "specified when passing encoding-flags\n")); + free(buf); + exit(1); + } + + 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 | + EXT4_FEATURE_COMPAT_FAST_COMMIT | + EXT4_FEATURE_COMPAT_STABLE_INODES | + EXT4_FEATURE_COMPAT_ORPHAN_FILE, + /* 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_EA_INODE| + EXT4_FEATURE_INCOMPAT_MMP | + EXT4_FEATURE_INCOMPAT_64BIT| + EXT4_FEATURE_INCOMPAT_INLINE_DATA| + EXT4_FEATURE_INCOMPAT_ENCRYPT | + EXT4_FEATURE_INCOMPAT_CASEFOLD | + EXT4_FEATURE_INCOMPAT_CSUM_SEED | + EXT4_FEATURE_INCOMPAT_LARGEDIR, + /* 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| + EXT4_FEATURE_RO_COMPAT_VERITY +}; + + +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 = 1; + 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[] = { "", 0 }; + +struct device_param { + unsigned long min_io; /* preferred minimum IO size */ + unsigned long opt_io; /* optimal IO size */ + unsigned long alignment_offset; /* alignment offset wrt physical block size */ + unsigned int dax:1; /* supports dax? */ +}; + +#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, + unsigned int blocksize, + unsigned int psector_size, + struct device_param *dev_param) +{ + int rc = -1; + blkid_probe pr; + blkid_topology tp; + struct stat statbuf; + + memset(dev_param, 0, sizeof(*dev_param)); + + /* 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; + + dev_param->min_io = blkid_topology_get_minimum_io_size(tp); + dev_param->opt_io = blkid_topology_get_optimal_io_size(tp); + if ((dev_param->min_io == 0) && (psector_size > blocksize)) + dev_param->min_io = psector_size; + if ((dev_param->opt_io == 0) && dev_param->min_io > 0) + dev_param->opt_io = dev_param->min_io; + if ((dev_param->opt_io == 0) && (psector_size > blocksize)) + dev_param->opt_io = psector_size; + + dev_param->alignment_offset = blkid_topology_get_alignment_offset(tp); +#ifdef HAVE_BLKID_TOPOLOGY_GET_DAX + dev_param->dax = blkid_topology_get_dax(tp); +#endif + rc = 0; +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 */ + int default_orphan_file = 0; + int default_csum_seed = 0; + 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; + 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; +#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY + struct device_param dev_param; +#endif + + 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); + + /* 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 + { + long 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; + if (!journal_fc_size) + journal_fc_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 = default_io_manager; + } else +#endif + io_ptr = default_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", "sync_kludge", 0, 0, + &sync_kludge); + tmp = getenv("MKE2FS_SYNC"); + if (tmp) + sync_kludge = atoi(tmp); + + profile_get_integer(profile, "options", "proceed_delay", 0, 0, + &proceed_delay); + + if (fs_blocks_count) + explicit_fssize = 1; + + 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 + retval = ext2fs_get_device_size2(device_name, + EXT2_BLOCK_SIZE(&fs_param), + &dev_size); + if (retval == ENOENT) { + int fd; + + if (!explicit_fssize) { + fprintf(stderr, + _("The file %s does not exist and no " + "size was specified.\n"), device_name); + exit(1); + } + fd = ext2fs_open_file(device_name, + O_CREAT | O_WRONLY, 0666); + if (fd < 0) { + retval = errno; + } else { + dev_size = 0; + retval = 0; + close(fd); + printf(_("Creating regular file %s\n"), device_name); + } + } + 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); + if (!creator_os) + profile_get_string(profile, "defaults", "creator_os", 0, + 0, &creator_os); + + /* + * 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); + ext2fs_clear_feature_ea_inode(&fs_param); + ext2fs_clear_feature_casefold(&fs_param); + } + if (!fs_features && tmp) + edit_feature(tmp, &fs_param.s_feature_compat); + /* + * Now all the defaults are incorporated in fs_param. Check the state + * of orphan_file feature so that we know whether we should silently + * disabled in case journal gets disabled. + */ + if (ext2fs_has_feature_orphan_file(&fs_param)) + default_orphan_file = 1; + if (ext2fs_has_feature_csum_seed(&fs_param)) + default_csum_seed = 1; + if (fs_features) + edit_feature(fs_features, &fs_param.s_feature_compat); + /* Silently disable orphan_file if user chose fs without journal */ + if (default_orphan_file && !ext2fs_has_feature_journal(&fs_param)) + ext2fs_clear_feature_orphan_file(&fs_param); + if (default_csum_seed && !ext2fs_has_feature_metadata_csum(&fs_param)) + ext2fs_clear_feature_csum_seed(&fs_param); + 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); + } + if (ext2fs_has_feature_ea_inode(&fs_param)) { + fprintf(stderr, "%s", _("The HURD does not support the " + "ea_inode 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, (unsigned long long) fs_blocks_count, + device_name, EXT2_BLOCK_SIZE(&fs_param)); + exit(1); + } + /* + * Guard against group descriptor count overflowing... Mostly to avoid + * strange results for absurdly large devices. This is in log2: + * (blocksize) * (bits per byte) * (maximum number of block groups) + */ + if (fs_blocks_count > + (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param) + 3 + 32)) - 1) { + fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s " + "too big to create\n\t" + "a filesystem using a blocksize of %d.\n"), + program_name, (unsigned long long) 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)) { + int i; + + for (i=0; fs_types[i]; i++) { + free(fs_types[i]); + fs_types[i] = 0; + } + 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, blocksize, + psector_size, &dev_param); + if (retval < 0) { + fprintf(stderr, + _("warning: Unable to get device geometry for %s\n"), + device_name); + } else { + /* setting stripe/stride to blocksize is pointless */ + if (dev_param.min_io > (unsigned) blocksize) + fs_param.s_raid_stride = dev_param.min_io / blocksize; + if (dev_param.opt_io > (unsigned) blocksize) { + fs_param.s_raid_stripe_width = + dev_param.opt_io / blocksize; + } + + if (dev_param.alignment_offset) { + printf(_("%s alignment is offset by %lu bytes.\n"), + device_name, dev_param.alignment_offset); + printf(_("This may result in very poor performance, " + "(re)-partitioning suggested.\n")); + } + + if (dev_param.dax && blocksize != sys_page_size) { + fprintf(stderr, + _("%s is capable of DAX but current block size " + "%u is different from system page size %u so " + "filesystem will not support DAX.\n"), + device_name, blocksize, sys_page_size); + } + } +#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; + + if (ext2fs_has_feature_casefold(&fs_param)) { + char *ef, *en = get_string_from_profile(fs_types, + "encoding", "utf8"); + int encoding = e2p_str2encoding(en); + + if (encoding < 0) { + com_err(program_name, 0, + _("Unknown filename encoding from profile: %s"), + en); + exit(1); + } + free(en); + fs_param.s_encoding = encoding; + ef = get_string_from_profile(fs_types, "encoding_flags", NULL); + if (ef) { + if (e2p_str2encoding_flags(encoding, ef, + &fs_param.s_encoding_flags) < 0) { + com_err(program_name, 0, + _("Unknown encoding flags from profile: %s"), ef); + exit(1); + } + free(ef); + } else + fs_param.s_encoding_flags = + e2p_get_encoding_flags(encoding); + } + + /* 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); + } + + if (quotatype_bits & QUOTA_PRJ_BIT) + ext2fs_set_feature_project(&fs_param); + + if (ext2fs_has_feature_project(&fs_param)) { + quotatype_bits |= QUOTA_PRJ_BIT; + if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) { + com_err(program_name, 0, + _("%d byte inodes are too small for " + "project quota"), + inode_size); + exit(1); + } + if (inode_size == 0) { + inode_size = get_int_from_profile(fs_types, + "inode_size", 0); + if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2) + inode_size = EXT2_GOOD_OLD_INODE_SIZE*2; + } + } + + /* 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) && + EXT2_CLUSTER_SIZE(&fs_param) > 16 * EXT2_BLOCK_SIZE(&fs_param)) + fprintf(stderr, "%s", _("\nWarning: bigalloc file systems " + "with a cluster size greater than\n" + "16 times the block size is considered " + "experimental\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); + } + + /* + * Warn the user that filesystems with 128-byte inodes will + * not work properly beyond 2038. This can be suppressed via + * a boolean in the mke2fs.conf file, and we will disable this + * warning for file systems created for the GNU Hurd. + */ + if (inode_size == EXT2_GOOD_OLD_INODE_SIZE && + get_bool_from_profile(fs_types, "warn_y2038_dates", 1)) + printf( +_("128-byte inodes cannot handle dates beyond 2038 and are deprecated\n")); + + /* 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?"), + (unsigned long long) n); + exit(1); + } + } + } else if (num_inodes > MAX_32_NUM) { + com_err(program_name, 0, + _("too many inodes (%llu), specify < 2^32 inodes"), + (unsigned long long) 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); + + /* 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 (!explicit_fssize) + flags |= NO_SIZE; + if (!check_plausibility(device_name, flags, &is_device) && !force) + proceed_question(proceed_delay); +} + +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 = default_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 = 0; + 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, 1); + if (retval) + return retval; + + 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, quotatype_bits); + 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; + badblocks_iterate bb_iter; + blk_t blk; + struct ext2fs_journal_params jparams = {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; + blk64_t overhead; + +#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 = default_io_manager; + } else +#endif + io_ptr = default_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) { + char *android_sparse_params = malloc(strlen(device_name) + 48); + + if (!android_sparse_params) { + com_err(program_name, ENOMEM, "%s", + _("in malloc for android_sparse_params")); + exit(1); + } + sprintf(android_sparse_params, "(%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); + free(android_sparse_params); + } 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 " + "requires the metadata_csum feature.\n")); + exit(1); + } + + /* Calculate journal blocks */ + if (!journal_device && ((journal_size) || + ext2fs_has_feature_journal(&fs_param))) + figure_journal_size(&jparams, journal_size, journal_fc_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", (unsigned long long) offset); + io_channel_set_options(fs->io, opt_string); + } + + if (assume_storage_prezeroed) { + if (verbose) + printf("%s", + _("Assuming the storage device is prezeroed " + "- skipping inode table and journal wipe\n")); + + lazy_itable_init = 1; + itable_zeroed = 1; + zero_hugefile = 0; + journal_flags |= EXT2_MKJOURNAL_LAZYINIT; + } + + /* 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 ((strcasecmp(fs_uuid, "null") == 0) || + (strcasecmp(fs_uuid, "clear") == 0)) { + uuid_clear(fs->super->s_uuid); + } else if (strcasecmp(fs_uuid, "time") == 0) { + uuid_generate_time(fs->super->s_uuid); + } else if (strcasecmp(fs_uuid, "random") == 0) { + uuid_generate(fs->super->s_uuid); + } else 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((char *) 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((char *) 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")); + + /* + * Unmark bad blocks to calculate overhead, because metadata + * blocks and bad blocks can land on the same allocation cluster. + */ + if (bb_list) { + retval = ext2fs_badblocks_list_iterate_begin(bb_list, + &bb_iter); + if (retval) { + com_err("ext2fs_badblocks_list_iterate_begin", retval, + "%s", _("while unmarking bad blocks")); + exit(1); + } + while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) + ext2fs_unmark_block_bitmap2(fs->block_map, blk); + ext2fs_badblocks_list_iterate_end(bb_iter); + } + + retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map); + if (retval) { + com_err(program_name, retval, "%s", + _("\n\twhile converting subcluster bitmap")); + exit(1); + } + + retval = ext2fs_count_used_clusters(fs, fs->super->s_first_data_block, + ext2fs_blocks_count(fs->super) - 1, + &overhead); + if (retval) { + com_err(program_name, retval, "%s", + _("while calculating overhead")); + exit(1); + } + + if (bb_list) { + 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, blk); + ext2fs_badblocks_list_iterate_end(bb_iter); + } + + 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"), + (unsigned long long) 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, default_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)) { + overhead += EXT2FS_NUM_B2C(fs, jparams.num_journal_blocks + jparams.num_fc_blocks); + 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 (!jparams.num_journal_blocks) { + ext2fs_clear_feature_journal(fs->super); + ext2fs_clear_feature_orphan_file(fs->super); + ext2fs_clear_feature_journal(&fs_param); + ext2fs_clear_feature_orphan_file(&fs_param); + goto no_journal; + } + if (!quiet) { + printf(_("Creating journal (%u blocks): "), + jparams.num_journal_blocks + jparams.num_fc_blocks); + fflush(stdout); + } + retval = ext2fs_add_journal_inode3(fs, &jparams, + 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); + } + + overhead += fs->super->s_first_data_block; + if (!super_only) + fs->super->s_overhead_clusters = overhead; + + if (ext2fs_has_feature_bigalloc(&fs_param)) + fix_cluster_bg_counts(fs); + if (ext2fs_has_feature_quota(&fs_param)) + create_quota_inodes(fs); + if (ext2fs_has_feature_orphan_file(&fs_param)) { + if (!ext2fs_has_feature_journal(&fs_param)) { + com_err(program_name, 0, _("cannot set orphan_file " + "feature without a journal.")); + exit(1); + } + if (!orphan_file_blocks) { + orphan_file_blocks = + ext2fs_default_orphan_file_blocks(fs); + } + retval = ext2fs_create_orphan_file(fs, orphan_file_blocks); + if (retval) { + com_err(program_name, retval, + _("while creating orphan file")); + exit(1); + } + } + + 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) { + com_err(program_name, retval, "%s", + _("while writing out and closing file system")); + retval = 1; + } 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; +} -- cgit v1.2.3