mirror of https://github.com/vitalif/e2fsprogs
2140 lines
52 KiB
C
2140 lines
52 KiB
C
/*
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* mke2fs.c - Make a ext2fs filesystem.
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*
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* Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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* 2003, 2004, 2005 by Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Public
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* License.
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* %End-Header%
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*/
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/* Usage: mke2fs [options] device
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*
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* The device may be a block device or a image of one, but this isn't
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* enforced (but it's not much fun on a character device :-).
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*/
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#define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX in Solaris */
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <time.h>
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#ifdef __linux__
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#include <sys/utsname.h>
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#endif
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#else
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extern char *optarg;
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extern int optind;
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#ifdef HAVE_MNTENT_H
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#include <mntent.h>
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#endif
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <libgen.h>
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#include <limits.h>
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#include "ext2fs/ext2_fs.h"
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#include "et/com_err.h"
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#include "uuid/uuid.h"
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#include "e2p/e2p.h"
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#include "ext2fs/ext2fs.h"
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#include "util.h"
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#include "profile.h"
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#include "prof_err.h"
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#include "../version.h"
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#include "nls-enable.h"
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#define STRIDE_LENGTH 8
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#ifndef __sparc__
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#define ZAP_BOOTBLOCK
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#endif
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extern int isatty(int);
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extern FILE *fpopen(const char *cmd, const char *mode);
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const char * program_name = "mke2fs";
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const char * device_name /* = NULL */;
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/* Command line options */
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int cflag;
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int verbose;
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int quiet;
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int super_only;
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int force;
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int noaction;
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int journal_size;
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int journal_flags;
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int lazy_itable_init;
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char *bad_blocks_filename;
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__u32 fs_stride;
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struct ext2_super_block fs_param;
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char *fs_uuid = NULL;
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char *creator_os;
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char *volume_label;
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char *mount_dir;
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char *journal_device;
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int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
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char **fs_types;
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profile_t profile;
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int sys_page_size = 4096;
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int linux_version_code = 0;
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static void usage(void)
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{
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fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
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"[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] "
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"[-J journal-options]\n"
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"\t[-G meta group size] [-N number-of-inodes]\n"
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"\t[-m reserved-blocks-percentage] [-o creator-os]\n"
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"\t[-g blocks-per-group] [-L volume-label] "
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"[-M last-mounted-directory]\n\t[-O feature[,...]] "
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"[-r fs-revision] [-E extended-option[,...]]\n"
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"\t[-T fs-type] [-U UUID] [-jnqvFSV] device [blocks-count]\n"),
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program_name);
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exit(1);
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}
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static int int_log2(int arg)
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{
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int l = 0;
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arg >>= 1;
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while (arg) {
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l++;
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arg >>= 1;
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}
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return l;
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}
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static int int_log10(unsigned int arg)
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{
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int l;
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for (l=0; arg ; l++)
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arg = arg / 10;
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return l;
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}
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static int parse_version_number(const char *s)
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{
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int major, minor, rev;
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char *endptr;
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const char *cp = s;
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if (!s)
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return 0;
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major = strtol(cp, &endptr, 10);
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if (cp == endptr || *endptr != '.')
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return 0;
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cp = endptr + 1;
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minor = strtol(cp, &endptr, 10);
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if (cp == endptr || *endptr != '.')
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return 0;
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cp = endptr + 1;
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rev = strtol(cp, &endptr, 10);
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if (cp == endptr)
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return 0;
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return ((((major * 256) + minor) * 256) + rev);
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}
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/*
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* Helper function for read_bb_file and test_disk
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*/
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static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
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{
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fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
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return;
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}
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/*
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* Reads the bad blocks list from a file
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*/
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static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
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const char *bad_blocks_file)
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{
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FILE *f;
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errcode_t retval;
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f = fopen(bad_blocks_file, "r");
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if (!f) {
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com_err("read_bad_blocks_file", errno,
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_("while trying to open %s"), bad_blocks_file);
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exit(1);
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}
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retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
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fclose (f);
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if (retval) {
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com_err("ext2fs_read_bb_FILE", retval,
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_("while reading in list of bad blocks from file"));
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exit(1);
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}
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}
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/*
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* Runs the badblocks program to test the disk
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*/
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static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
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{
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FILE *f;
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errcode_t retval;
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char buf[1024];
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sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize,
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quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
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fs->device_name, fs->super->s_blocks_count-1);
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if (verbose)
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printf(_("Running command: %s\n"), buf);
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f = popen(buf, "r");
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if (!f) {
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com_err("popen", errno,
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_("while trying to run '%s'"), buf);
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exit(1);
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}
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retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
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pclose(f);
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if (retval) {
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com_err("ext2fs_read_bb_FILE", retval,
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_("while processing list of bad blocks from program"));
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exit(1);
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}
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}
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static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
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{
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dgrp_t i;
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blk_t j;
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unsigned must_be_good;
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blk_t blk;
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badblocks_iterate bb_iter;
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errcode_t retval;
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blk_t group_block;
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int group;
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int group_bad;
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if (!bb_list)
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return;
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/*
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* The primary superblock and group descriptors *must* be
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* good; if not, abort.
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*/
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must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
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for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
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if (ext2fs_badblocks_list_test(bb_list, i)) {
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fprintf(stderr, _("Block %d in primary "
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"superblock/group descriptor area bad.\n"), i);
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fprintf(stderr, _("Blocks %u through %u must be good "
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"in order to build a filesystem.\n"),
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fs->super->s_first_data_block, must_be_good);
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fputs(_("Aborting....\n"), stderr);
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exit(1);
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}
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}
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/*
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* See if any of the bad blocks are showing up in the backup
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* superblocks and/or group descriptors. If so, issue a
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* warning and adjust the block counts appropriately.
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*/
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group_block = fs->super->s_first_data_block +
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fs->super->s_blocks_per_group;
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for (i = 1; i < fs->group_desc_count; i++) {
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group_bad = 0;
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for (j=0; j < fs->desc_blocks+1; j++) {
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if (ext2fs_badblocks_list_test(bb_list,
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group_block + j)) {
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if (!group_bad)
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fprintf(stderr,
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_("Warning: the backup superblock/group descriptors at block %u contain\n"
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" bad blocks.\n\n"),
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group_block);
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group_bad++;
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group = ext2fs_group_of_blk(fs, group_block+j);
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fs->group_desc[group].bg_free_blocks_count++;
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ext2fs_group_desc_csum_set(fs, group);
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fs->super->s_free_blocks_count++;
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}
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}
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group_block += fs->super->s_blocks_per_group;
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}
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/*
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* Mark all the bad blocks as used...
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*/
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retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
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if (retval) {
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com_err("ext2fs_badblocks_list_iterate_begin", retval,
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_("while marking bad blocks as used"));
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exit(1);
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}
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while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
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ext2fs_mark_block_bitmap(fs->block_map, blk);
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ext2fs_badblocks_list_iterate_end(bb_iter);
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}
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/*
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* These functions implement a generalized progress meter.
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*/
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struct progress_struct {
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char format[20];
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char backup[80];
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__u32 max;
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int skip_progress;
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};
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static void progress_init(struct progress_struct *progress,
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const char *label,__u32 max)
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{
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int i;
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memset(progress, 0, sizeof(struct progress_struct));
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if (quiet)
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return;
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/*
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* Figure out how many digits we need
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*/
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i = int_log10(max);
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sprintf(progress->format, "%%%dd/%%%dld", i, i);
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memset(progress->backup, '\b', sizeof(progress->backup)-1);
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progress->backup[sizeof(progress->backup)-1] = 0;
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if ((2*i)+1 < (int) sizeof(progress->backup))
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progress->backup[(2*i)+1] = 0;
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progress->max = max;
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progress->skip_progress = 0;
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if (getenv("MKE2FS_SKIP_PROGRESS"))
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progress->skip_progress++;
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fputs(label, stdout);
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fflush(stdout);
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}
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static void progress_update(struct progress_struct *progress, __u32 val)
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{
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if ((progress->format[0] == 0) || progress->skip_progress)
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return;
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printf(progress->format, val, progress->max);
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fputs(progress->backup, stdout);
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}
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static void progress_close(struct progress_struct *progress)
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{
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if (progress->format[0] == 0)
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return;
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fputs(_("done \n"), stdout);
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}
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static void write_inode_tables(ext2_filsys fs, int lazy_flag)
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{
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errcode_t retval;
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blk_t blk;
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dgrp_t i;
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int num, ipb;
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struct progress_struct progress;
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if (quiet)
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memset(&progress, 0, sizeof(progress));
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else
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progress_init(&progress, _("Writing inode tables: "),
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fs->group_desc_count);
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for (i = 0; i < fs->group_desc_count; i++) {
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progress_update(&progress, i);
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blk = fs->group_desc[i].bg_inode_table;
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num = fs->inode_blocks_per_group;
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if (lazy_flag) {
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ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super);
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num = ((((fs->super->s_inodes_per_group -
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fs->group_desc[i].bg_itable_unused) *
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EXT2_INODE_SIZE(fs->super)) +
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EXT2_BLOCK_SIZE(fs->super) - 1) /
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EXT2_BLOCK_SIZE(fs->super));
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} else {
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/* The kernel doesn't need to zero the itable blocks */
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fs->group_desc[i].bg_flags |= EXT2_BG_INODE_ZEROED;
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ext2fs_group_desc_csum_set(fs, i);
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}
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retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num);
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if (retval) {
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fprintf(stderr, _("\nCould not write %d "
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"blocks in inode table starting at %u: %s\n"),
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num, blk, error_message(retval));
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exit(1);
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}
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if (sync_kludge) {
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if (sync_kludge == 1)
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sync();
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else if ((i % sync_kludge) == 0)
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sync();
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}
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}
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ext2fs_zero_blocks(0, 0, 0, 0, 0);
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progress_close(&progress);
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}
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static void create_root_dir(ext2_filsys fs)
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{
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errcode_t retval;
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struct ext2_inode inode;
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__u32 uid, gid;
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retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
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if (retval) {
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com_err("ext2fs_mkdir", retval, _("while creating root dir"));
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exit(1);
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}
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if (geteuid()) {
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retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
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if (retval) {
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com_err("ext2fs_read_inode", retval,
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_("while reading root inode"));
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exit(1);
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}
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uid = getuid();
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inode.i_uid = uid;
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ext2fs_set_i_uid_high(inode, uid >> 16);
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if (uid) {
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gid = getgid();
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inode.i_gid = gid;
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ext2fs_set_i_gid_high(inode, gid >> 16);
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}
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retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
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if (retval) {
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com_err("ext2fs_write_inode", retval,
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_("while setting root inode ownership"));
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exit(1);
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}
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}
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}
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static void create_lost_and_found(ext2_filsys fs)
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{
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unsigned int lpf_size = 0;
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errcode_t retval;
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ext2_ino_t ino;
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const char *name = "lost+found";
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int i;
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fs->umask = 077;
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retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
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if (retval) {
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com_err("ext2fs_mkdir", retval,
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_("while creating /lost+found"));
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exit(1);
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}
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retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
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if (retval) {
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com_err("ext2_lookup", retval,
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_("while looking up /lost+found"));
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exit(1);
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}
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for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
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/* Ensure that lost+found is at least 2 blocks, so we always
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* test large empty blocks for big-block filesystems. */
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if ((lpf_size += fs->blocksize) >= 16*1024 &&
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lpf_size >= 2 * fs->blocksize)
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break;
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retval = ext2fs_expand_dir(fs, ino);
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if (retval) {
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com_err("ext2fs_expand_dir", retval,
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_("while expanding /lost+found"));
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exit(1);
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}
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}
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}
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static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
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{
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errcode_t retval;
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ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO);
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ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
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retval = ext2fs_update_bb_inode(fs, bb_list);
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if (retval) {
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com_err("ext2fs_update_bb_inode", retval,
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_("while setting bad block inode"));
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exit(1);
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}
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}
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static void reserve_inodes(ext2_filsys fs)
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{
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ext2_ino_t i;
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for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
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ext2fs_inode_alloc_stats2(fs, i, +1, 0);
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ext2fs_mark_ib_dirty(fs);
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}
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#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
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#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */
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#define BSD_LABEL_OFFSET 64
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static void zap_sector(ext2_filsys fs, int sect, int nsect)
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{
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char *buf;
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int retval;
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unsigned int *magic;
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buf = malloc(512*nsect);
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if (!buf) {
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printf(_("Out of memory erasing sectors %d-%d\n"),
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sect, sect + nsect - 1);
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exit(1);
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}
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if (sect == 0) {
|
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/* Check for a BSD disklabel, and don't erase it if so */
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retval = io_channel_read_blk(fs->io, 0, -512, buf);
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if (retval)
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fprintf(stderr,
|
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_("Warning: could not read block 0: %s\n"),
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error_message(retval));
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else {
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magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
|
|
if ((*magic == BSD_DISKMAGIC) ||
|
|
(*magic == BSD_MAGICDISK))
|
|
return;
|
|
}
|
|
}
|
|
|
|
memset(buf, 0, 512*nsect);
|
|
io_channel_set_blksize(fs->io, 512);
|
|
retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf);
|
|
io_channel_set_blksize(fs->io, fs->blocksize);
|
|
free(buf);
|
|
if (retval)
|
|
fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
|
|
sect, error_message(retval));
|
|
}
|
|
|
|
static void create_journal_dev(ext2_filsys fs)
|
|
{
|
|
struct progress_struct progress;
|
|
errcode_t retval;
|
|
char *buf;
|
|
blk_t blk, err_blk;
|
|
int c, count, err_count;
|
|
|
|
retval = ext2fs_create_journal_superblock(fs,
|
|
fs->super->s_blocks_count, 0, &buf);
|
|
if (retval) {
|
|
com_err("create_journal_dev", retval,
|
|
_("while initializing journal superblock"));
|
|
exit(1);
|
|
}
|
|
if (quiet)
|
|
memset(&progress, 0, sizeof(progress));
|
|
else
|
|
progress_init(&progress, _("Zeroing journal device: "),
|
|
fs->super->s_blocks_count);
|
|
|
|
blk = 0;
|
|
count = fs->super->s_blocks_count;
|
|
while (count > 0) {
|
|
if (count > 1024)
|
|
c = 1024;
|
|
else
|
|
c = count;
|
|
retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count);
|
|
if (retval) {
|
|
com_err("create_journal_dev", retval,
|
|
_("while zeroing journal device "
|
|
"(block %u, count %d)"),
|
|
err_blk, err_count);
|
|
exit(1);
|
|
}
|
|
blk += c;
|
|
count -= c;
|
|
progress_update(&progress, blk);
|
|
}
|
|
ext2fs_zero_blocks(0, 0, 0, 0, 0);
|
|
|
|
retval = io_channel_write_blk(fs->io,
|
|
fs->super->s_first_data_block+1,
|
|
1, buf);
|
|
if (retval) {
|
|
com_err("create_journal_dev", retval,
|
|
_("while writing journal superblock"));
|
|
exit(1);
|
|
}
|
|
progress_close(&progress);
|
|
}
|
|
|
|
static void show_stats(ext2_filsys fs)
|
|
{
|
|
struct ext2_super_block *s = fs->super;
|
|
char buf[80];
|
|
char *os;
|
|
blk_t group_block;
|
|
dgrp_t i;
|
|
int need, col_left;
|
|
|
|
if (fs_param.s_blocks_count != s->s_blocks_count)
|
|
fprintf(stderr, _("warning: %u blocks unused.\n\n"),
|
|
fs_param.s_blocks_count - s->s_blocks_count);
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
|
|
printf(_("Filesystem label=%s\n"), buf);
|
|
fputs(_("OS type: "), stdout);
|
|
os = e2p_os2string(fs->super->s_creator_os);
|
|
fputs(os, stdout);
|
|
free(os);
|
|
printf("\n");
|
|
printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
|
|
s->s_log_block_size);
|
|
printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
|
|
s->s_log_frag_size);
|
|
printf(_("%u inodes, %u blocks\n"), s->s_inodes_count,
|
|
s->s_blocks_count);
|
|
printf(_("%u blocks (%2.2f%%) reserved for the super user\n"),
|
|
s->s_r_blocks_count,
|
|
100.0 * s->s_r_blocks_count / s->s_blocks_count);
|
|
printf(_("First data block=%u\n"), s->s_first_data_block);
|
|
if (s->s_reserved_gdt_blocks)
|
|
printf(_("Maximum filesystem blocks=%lu\n"),
|
|
(s->s_reserved_gdt_blocks + fs->desc_blocks) *
|
|
EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
|
|
if (fs->group_desc_count > 1)
|
|
printf(_("%u block groups\n"), fs->group_desc_count);
|
|
else
|
|
printf(_("%u block group\n"), fs->group_desc_count);
|
|
printf(_("%u blocks per group, %u fragments per group\n"),
|
|
s->s_blocks_per_group, s->s_frags_per_group);
|
|
printf(_("%u inodes per group\n"), s->s_inodes_per_group);
|
|
|
|
if (fs->group_desc_count == 1) {
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
printf(_("Superblock backups stored on blocks: "));
|
|
group_block = s->s_first_data_block;
|
|
col_left = 0;
|
|
for (i = 1; i < fs->group_desc_count; i++) {
|
|
group_block += s->s_blocks_per_group;
|
|
if (!ext2fs_bg_has_super(fs, i))
|
|
continue;
|
|
if (i != 1)
|
|
printf(", ");
|
|
need = int_log10(group_block) + 2;
|
|
if (need > col_left) {
|
|
printf("\n\t");
|
|
col_left = 72;
|
|
}
|
|
col_left -= need;
|
|
printf("%u", group_block);
|
|
}
|
|
printf("\n\n");
|
|
}
|
|
|
|
/*
|
|
* Set the S_CREATOR_OS field. Return true if OS is known,
|
|
* otherwise, 0.
|
|
*/
|
|
static int set_os(struct ext2_super_block *sb, char *os)
|
|
{
|
|
if (isdigit (*os))
|
|
sb->s_creator_os = atoi (os);
|
|
else if (strcasecmp(os, "linux") == 0)
|
|
sb->s_creator_os = EXT2_OS_LINUX;
|
|
else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
|
|
sb->s_creator_os = EXT2_OS_HURD;
|
|
else if (strcasecmp(os, "freebsd") == 0)
|
|
sb->s_creator_os = EXT2_OS_FREEBSD;
|
|
else if (strcasecmp(os, "lites") == 0)
|
|
sb->s_creator_os = EXT2_OS_LITES;
|
|
else
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
#define PATH_SET "PATH=/sbin"
|
|
|
|
static void parse_extended_opts(struct ext2_super_block *param,
|
|
const char *opts)
|
|
{
|
|
char *buf, *token, *next, *p, *arg, *badopt = 0;
|
|
int len;
|
|
int r_usage = 0;
|
|
|
|
len = strlen(opts);
|
|
buf = malloc(len+1);
|
|
if (!buf) {
|
|
fprintf(stderr,
|
|
_("Couldn't allocate memory to parse options!\n"));
|
|
exit(1);
|
|
}
|
|
strcpy(buf, opts);
|
|
for (token = buf; token && *token; token = next) {
|
|
p = strchr(token, ',');
|
|
next = 0;
|
|
if (p) {
|
|
*p = 0;
|
|
next = p+1;
|
|
}
|
|
arg = strchr(token, '=');
|
|
if (arg) {
|
|
*arg = 0;
|
|
arg++;
|
|
}
|
|
if (strcmp(token, "stride") == 0) {
|
|
if (!arg) {
|
|
r_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
param->s_raid_stride = strtoul(arg, &p, 0);
|
|
if (*p || (param->s_raid_stride == 0)) {
|
|
fprintf(stderr,
|
|
_("Invalid stride parameter: %s\n"),
|
|
arg);
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
} else if (strcmp(token, "stripe-width") == 0 ||
|
|
strcmp(token, "stripe_width") == 0) {
|
|
if (!arg) {
|
|
r_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
param->s_raid_stripe_width = strtoul(arg, &p, 0);
|
|
if (*p || (param->s_raid_stripe_width == 0)) {
|
|
fprintf(stderr,
|
|
_("Invalid stripe-width parameter: %s\n"),
|
|
arg);
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
} else if (!strcmp(token, "resize")) {
|
|
unsigned long resize, bpg, rsv_groups;
|
|
unsigned long group_desc_count, desc_blocks;
|
|
unsigned int gdpb, blocksize;
|
|
int rsv_gdb;
|
|
|
|
if (!arg) {
|
|
r_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
|
|
resize = parse_num_blocks(arg,
|
|
param->s_log_block_size);
|
|
|
|
if (resize == 0) {
|
|
fprintf(stderr,
|
|
_("Invalid resize parameter: %s\n"),
|
|
arg);
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
if (resize <= param->s_blocks_count) {
|
|
fprintf(stderr,
|
|
_("The resize maximum must be greater "
|
|
"than the filesystem size.\n"));
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
|
|
blocksize = EXT2_BLOCK_SIZE(param);
|
|
bpg = param->s_blocks_per_group;
|
|
if (!bpg)
|
|
bpg = blocksize * 8;
|
|
gdpb = EXT2_DESC_PER_BLOCK(param);
|
|
group_desc_count =
|
|
ext2fs_div_ceil(param->s_blocks_count, bpg);
|
|
desc_blocks = (group_desc_count +
|
|
gdpb - 1) / gdpb;
|
|
rsv_groups = ext2fs_div_ceil(resize, bpg);
|
|
rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
|
|
desc_blocks;
|
|
if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
|
|
rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
|
|
|
|
if (rsv_gdb > 0) {
|
|
if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
|
|
fprintf(stderr,
|
|
_("On-line resizing not supported with revision 0 filesystems\n"));
|
|
free(buf);
|
|
exit(1);
|
|
}
|
|
param->s_feature_compat |=
|
|
EXT2_FEATURE_COMPAT_RESIZE_INODE;
|
|
|
|
param->s_reserved_gdt_blocks = rsv_gdb;
|
|
}
|
|
} else if (!strcmp(token, "test_fs")) {
|
|
param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
|
|
} else if (!strcmp(token, "lazy_itable_init")) {
|
|
if (arg)
|
|
lazy_itable_init = strtoul(arg, &p, 0);
|
|
else
|
|
lazy_itable_init = 1;
|
|
} else {
|
|
r_usage++;
|
|
badopt = token;
|
|
}
|
|
}
|
|
if (r_usage) {
|
|
fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
|
|
"Extended options are separated by commas, "
|
|
"and may take an argument which\n"
|
|
"\tis set off by an equals ('=') sign.\n\n"
|
|
"Valid extended options are:\n"
|
|
"\tstride=<RAID per-disk data chunk in blocks>\n"
|
|
"\tstripe-width=<RAID stride * data disks in blocks>\n"
|
|
"\tresize=<resize maximum size in blocks>\n"
|
|
"\tlazy_itable_init=<0 to disable, 1 to enable>\n"
|
|
"\ttest_fs\n\n"),
|
|
badopt ? badopt : "");
|
|
free(buf);
|
|
exit(1);
|
|
}
|
|
if (param->s_raid_stride &&
|
|
(param->s_raid_stripe_width % param->s_raid_stride) != 0)
|
|
fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
|
|
"multiple of stride %u.\n\n"),
|
|
param->s_raid_stripe_width, param->s_raid_stride);
|
|
|
|
free(buf);
|
|
}
|
|
|
|
static __u32 ok_features[3] = {
|
|
/* Compat */
|
|
EXT3_FEATURE_COMPAT_HAS_JOURNAL |
|
|
EXT2_FEATURE_COMPAT_RESIZE_INODE |
|
|
EXT2_FEATURE_COMPAT_DIR_INDEX |
|
|
EXT2_FEATURE_COMPAT_EXT_ATTR,
|
|
/* Incompat */
|
|
EXT2_FEATURE_INCOMPAT_FILETYPE|
|
|
EXT3_FEATURE_INCOMPAT_EXTENTS|
|
|
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
|
|
EXT2_FEATURE_INCOMPAT_META_BG|
|
|
EXT4_FEATURE_INCOMPAT_FLEX_BG,
|
|
/* R/O compat */
|
|
EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
|
|
EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
|
|
EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
|
|
EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
|
|
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
|
|
EXT4_FEATURE_RO_COMPAT_GDT_CSUM
|
|
};
|
|
|
|
|
|
static void syntax_err_report(const char *filename, long err, int line_num)
|
|
{
|
|
fprintf(stderr,
|
|
_("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
|
|
filename, line_num, error_message(err));
|
|
exit(1);
|
|
}
|
|
|
|
static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
|
|
|
|
static void edit_feature(const char *str, __u32 *compat_array)
|
|
{
|
|
if (!str)
|
|
return;
|
|
|
|
if (e2p_edit_feature(str, compat_array, ok_features)) {
|
|
fprintf(stderr, _("Invalid filesystem option set: %s\n"),
|
|
str);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
struct str_list {
|
|
char **list;
|
|
int num;
|
|
int max;
|
|
};
|
|
|
|
static errcode_t init_list(struct str_list *sl)
|
|
{
|
|
sl->num = 0;
|
|
sl->max = 0;
|
|
sl->list = malloc((sl->max+1) * sizeof(char *));
|
|
if (!sl->list)
|
|
return ENOMEM;
|
|
sl->list[0] = 0;
|
|
return 0;
|
|
}
|
|
|
|
static errcode_t push_string(struct str_list *sl, const char *str)
|
|
{
|
|
char **new_list;
|
|
|
|
if (sl->num >= sl->max) {
|
|
sl->max += 2;
|
|
new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
|
|
if (!new_list)
|
|
return ENOMEM;
|
|
sl->list = new_list;
|
|
}
|
|
sl->list[sl->num] = malloc(strlen(str)+1);
|
|
if (sl->list[sl->num] == 0)
|
|
return ENOMEM;
|
|
strcpy(sl->list[sl->num], str);
|
|
sl->num++;
|
|
sl->list[sl->num] = 0;
|
|
return 0;
|
|
}
|
|
|
|
static void print_str_list(char **list)
|
|
{
|
|
char **cpp;
|
|
|
|
for (cpp = list; *cpp; cpp++) {
|
|
printf("'%s'", *cpp);
|
|
if (cpp[1])
|
|
fputs(", ", stdout);
|
|
}
|
|
fputc('\n', stdout);
|
|
}
|
|
|
|
static char **parse_fs_type(const char *fs_type,
|
|
const char *usage_types,
|
|
struct ext2_super_block *fs_param,
|
|
char *progname)
|
|
{
|
|
const char *ext_type = 0;
|
|
char *parse_str;
|
|
char *profile_type = 0;
|
|
char *cp, *t;
|
|
const char *size_type;
|
|
struct str_list list;
|
|
unsigned long meg;
|
|
int is_hurd = 0;
|
|
|
|
if (init_list(&list))
|
|
return 0;
|
|
|
|
if (creator_os && (!strcasecmp(creator_os, "GNU") ||
|
|
!strcasecmp(creator_os, "hurd")))
|
|
is_hurd = 1;
|
|
|
|
if (fs_type)
|
|
ext_type = fs_type;
|
|
else if (is_hurd)
|
|
ext_type = "ext2";
|
|
else if (!strcmp(program_name, "mke3fs"))
|
|
ext_type = "ext3";
|
|
else if (progname) {
|
|
ext_type = strrchr(progname, '/');
|
|
if (ext_type)
|
|
ext_type++;
|
|
else
|
|
ext_type = progname;
|
|
|
|
if (!strncmp(ext_type, "mkfs.", 5)) {
|
|
ext_type += 5;
|
|
if (ext_type[0] == 0)
|
|
ext_type = 0;
|
|
} else
|
|
ext_type = 0;
|
|
}
|
|
|
|
if (!ext_type) {
|
|
profile_get_string(profile, "defaults", "fs_type", 0,
|
|
"ext2", &profile_type);
|
|
ext_type = profile_type;
|
|
if (!strcmp(ext_type, "ext2") && (journal_size != 0))
|
|
ext_type = "ext3";
|
|
}
|
|
|
|
if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
|
|
!strcmp(ext_type, "ext4dev")) {
|
|
profile_get_string(profile, "fs_types", ext_type, "features",
|
|
0, &t);
|
|
if (!t) {
|
|
printf(_("\nWarning! Your mke2fs.conf file does "
|
|
"not define the %s filesystem type.\n"),
|
|
ext_type);
|
|
printf(_("You probably need to install an updated "
|
|
"mke2fs.conf file.\n\n"));
|
|
sleep(5);
|
|
}
|
|
}
|
|
|
|
meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param);
|
|
if (fs_param->s_blocks_count < 3 * meg)
|
|
size_type = "floppy";
|
|
else if (fs_param->s_blocks_count < 512 * meg)
|
|
size_type = "small";
|
|
else
|
|
size_type = "default";
|
|
|
|
if (!usage_types)
|
|
usage_types = size_type;
|
|
|
|
parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1);
|
|
if (!parse_str) {
|
|
free(list.list);
|
|
return 0;
|
|
}
|
|
if (usage_types)
|
|
strcpy(parse_str, usage_types);
|
|
else
|
|
*parse_str = '\0';
|
|
|
|
if (ext_type)
|
|
push_string(&list, ext_type);
|
|
cp = parse_str;
|
|
while (1) {
|
|
t = strchr(cp, ',');
|
|
if (t)
|
|
*t = '\0';
|
|
|
|
if (*cp)
|
|
push_string(&list, cp);
|
|
if (t)
|
|
cp = t+1;
|
|
else {
|
|
cp = "";
|
|
break;
|
|
}
|
|
}
|
|
free(parse_str);
|
|
free(profile_type);
|
|
if (is_hurd)
|
|
push_string(&list, "hurd");
|
|
return (list.list);
|
|
}
|
|
|
|
static char *get_string_from_profile(char **fs_types, const char *opt,
|
|
const char *def_val)
|
|
{
|
|
char *ret = 0;
|
|
int i;
|
|
|
|
for (i=0; fs_types[i]; i++);
|
|
for (i-=1; i >=0 ; i--) {
|
|
profile_get_string(profile, "fs_types", fs_types[i],
|
|
opt, 0, &ret);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
|
|
return (ret);
|
|
}
|
|
|
|
static int get_int_from_profile(char **fs_types, const char *opt, int def_val)
|
|
{
|
|
int ret;
|
|
char **cpp;
|
|
|
|
profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
|
|
for (cpp = fs_types; *cpp; cpp++)
|
|
profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
|
|
return ret;
|
|
}
|
|
|
|
static int get_bool_from_profile(char **fs_types, const char *opt, int def_val)
|
|
{
|
|
int ret;
|
|
char **cpp;
|
|
|
|
profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
|
|
for (cpp = fs_types; *cpp; cpp++)
|
|
profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
|
|
return ret;
|
|
}
|
|
|
|
extern const char *mke2fs_default_profile;
|
|
static const char *default_files[] = { "<default>", 0 };
|
|
|
|
static void PRS(int argc, char *argv[])
|
|
{
|
|
int b, c;
|
|
int size;
|
|
char *tmp, **cpp;
|
|
int blocksize = 0;
|
|
int inode_ratio = 0;
|
|
int inode_size = 0;
|
|
unsigned long flex_bg_size = 0;
|
|
double reserved_ratio = 5.0;
|
|
int sector_size = 0;
|
|
int show_version_only = 0;
|
|
unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
|
|
errcode_t retval;
|
|
char * oldpath = getenv("PATH");
|
|
char * extended_opts = 0;
|
|
const char * fs_type = 0;
|
|
const char * usage_types = 0;
|
|
blk_t dev_size;
|
|
#ifdef __linux__
|
|
struct utsname ut;
|
|
#endif
|
|
long sysval;
|
|
int s_opt = -1, r_opt = -1;
|
|
char *fs_features = 0;
|
|
int use_bsize;
|
|
char *newpath;
|
|
int pathlen = sizeof(PATH_SET) + 1;
|
|
|
|
if (oldpath)
|
|
pathlen += strlen(oldpath);
|
|
newpath = malloc(pathlen);
|
|
strcpy(newpath, PATH_SET);
|
|
|
|
/* Update our PATH to include /sbin */
|
|
if (oldpath) {
|
|
strcat (newpath, ":");
|
|
strcat (newpath, oldpath);
|
|
}
|
|
putenv (newpath);
|
|
|
|
tmp = getenv("MKE2FS_SYNC");
|
|
if (tmp)
|
|
sync_kludge = atoi(tmp);
|
|
|
|
/* Determine the system page size if possible */
|
|
#ifdef HAVE_SYSCONF
|
|
#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
|
|
#define _SC_PAGESIZE _SC_PAGE_SIZE
|
|
#endif
|
|
#ifdef _SC_PAGESIZE
|
|
sysval = sysconf(_SC_PAGESIZE);
|
|
if (sysval > 0)
|
|
sys_page_size = sysval;
|
|
#endif /* _SC_PAGESIZE */
|
|
#endif /* HAVE_SYSCONF */
|
|
|
|
if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
|
|
config_fn[0] = tmp;
|
|
profile_set_syntax_err_cb(syntax_err_report);
|
|
retval = profile_init(config_fn, &profile);
|
|
if (retval == ENOENT) {
|
|
profile_init(default_files, &profile);
|
|
profile_set_default(profile, mke2fs_default_profile);
|
|
}
|
|
|
|
setbuf(stdout, NULL);
|
|
setbuf(stderr, NULL);
|
|
add_error_table(&et_ext2_error_table);
|
|
add_error_table(&et_prof_error_table);
|
|
memset(&fs_param, 0, sizeof(struct ext2_super_block));
|
|
fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */
|
|
|
|
#ifdef __linux__
|
|
if (uname(&ut)) {
|
|
perror("uname");
|
|
exit(1);
|
|
}
|
|
linux_version_code = parse_version_number(ut.release);
|
|
if (linux_version_code && linux_version_code < (2*65536 + 2*256))
|
|
fs_param.s_rev_level = 0;
|
|
#endif
|
|
|
|
if (argc && *argv) {
|
|
program_name = get_progname(*argv);
|
|
|
|
/* If called as mkfs.ext3, create a journal inode */
|
|
if (!strcmp(program_name, "mkfs.ext3") ||
|
|
!strcmp(program_name, "mke3fs"))
|
|
journal_size = -1;
|
|
}
|
|
|
|
while ((c = getopt (argc, argv,
|
|
"b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:L:M:N:O:R:ST:U:V")) != EOF) {
|
|
switch (c) {
|
|
case 'b':
|
|
blocksize = strtol(optarg, &tmp, 0);
|
|
b = (blocksize > 0) ? blocksize : -blocksize;
|
|
if (b < EXT2_MIN_BLOCK_SIZE ||
|
|
b > EXT2_MAX_BLOCK_SIZE || *tmp) {
|
|
com_err(program_name, 0,
|
|
_("invalid block size - %s"), optarg);
|
|
exit(1);
|
|
}
|
|
if (blocksize > 4096)
|
|
fprintf(stderr, _("Warning: blocksize %d not "
|
|
"usable on most systems.\n"),
|
|
blocksize);
|
|
if (blocksize > 0)
|
|
fs_param.s_log_block_size =
|
|
int_log2(blocksize >>
|
|
EXT2_MIN_BLOCK_LOG_SIZE);
|
|
break;
|
|
case 'c': /* Check for bad blocks */
|
|
cflag++;
|
|
break;
|
|
case 'f':
|
|
size = strtoul(optarg, &tmp, 0);
|
|
if (size < EXT2_MIN_BLOCK_SIZE ||
|
|
size > EXT2_MAX_BLOCK_SIZE || *tmp) {
|
|
com_err(program_name, 0,
|
|
_("invalid fragment size - %s"),
|
|
optarg);
|
|
exit(1);
|
|
}
|
|
fs_param.s_log_frag_size =
|
|
int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
|
|
fprintf(stderr, _("Warning: fragments not supported. "
|
|
"Ignoring -f option\n"));
|
|
break;
|
|
case 'g':
|
|
fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(program_name, 0,
|
|
_("Illegal number for blocks per group"));
|
|
exit(1);
|
|
}
|
|
if ((fs_param.s_blocks_per_group % 8) != 0) {
|
|
com_err(program_name, 0,
|
|
_("blocks per group must be multiple of 8"));
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'G':
|
|
flex_bg_size = strtoul(optarg, &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(program_name, 0,
|
|
_("Illegal number for flex_bg size"));
|
|
exit(1);
|
|
}
|
|
if (flex_bg_size < 2 ||
|
|
(flex_bg_size & (flex_bg_size-1)) != 0) {
|
|
com_err(program_name, 0,
|
|
_("flex_bg size must be a power of 2"));
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'i':
|
|
inode_ratio = strtoul(optarg, &tmp, 0);
|
|
if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
|
|
inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
|
|
*tmp) {
|
|
com_err(program_name, 0,
|
|
_("invalid inode ratio %s (min %d/max %d)"),
|
|
optarg, EXT2_MIN_BLOCK_SIZE,
|
|
EXT2_MAX_BLOCK_SIZE);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'J':
|
|
parse_journal_opts(optarg);
|
|
break;
|
|
case 'j':
|
|
if (!journal_size)
|
|
journal_size = -1;
|
|
break;
|
|
case 'l':
|
|
bad_blocks_filename = malloc(strlen(optarg)+1);
|
|
if (!bad_blocks_filename) {
|
|
com_err(program_name, ENOMEM,
|
|
_("in malloc for bad_blocks_filename"));
|
|
exit(1);
|
|
}
|
|
strcpy(bad_blocks_filename, optarg);
|
|
break;
|
|
case 'm':
|
|
reserved_ratio = strtod(optarg, &tmp);
|
|
if ( *tmp || reserved_ratio > 50 ||
|
|
reserved_ratio < 0) {
|
|
com_err(program_name, 0,
|
|
_("invalid reserved blocks percent - %s"),
|
|
optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'n':
|
|
noaction++;
|
|
break;
|
|
case 'o':
|
|
creator_os = optarg;
|
|
break;
|
|
case 'q':
|
|
quiet = 1;
|
|
break;
|
|
case 'r':
|
|
r_opt = strtoul(optarg, &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(program_name, 0,
|
|
_("bad revision level - %s"), optarg);
|
|
exit(1);
|
|
}
|
|
fs_param.s_rev_level = r_opt;
|
|
break;
|
|
case 's': /* deprecated */
|
|
s_opt = atoi(optarg);
|
|
break;
|
|
case 'I':
|
|
inode_size = strtoul(optarg, &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(program_name, 0,
|
|
_("invalid inode size - %s"), optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case 'F':
|
|
force++;
|
|
break;
|
|
case 'L':
|
|
volume_label = optarg;
|
|
break;
|
|
case 'M':
|
|
mount_dir = optarg;
|
|
break;
|
|
case 'N':
|
|
num_inodes = strtoul(optarg, &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(program_name, 0,
|
|
_("bad num inodes - %s"), optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'O':
|
|
fs_features = optarg;
|
|
break;
|
|
case 'E':
|
|
case 'R':
|
|
extended_opts = optarg;
|
|
break;
|
|
case 'S':
|
|
super_only = 1;
|
|
break;
|
|
case 't':
|
|
fs_type = optarg;
|
|
break;
|
|
case 'T':
|
|
usage_types = optarg;
|
|
break;
|
|
case 'U':
|
|
fs_uuid = optarg;
|
|
break;
|
|
case 'V':
|
|
/* Print version number and exit */
|
|
show_version_only++;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
if ((optind == argc) && !show_version_only)
|
|
usage();
|
|
device_name = argv[optind++];
|
|
|
|
if (!quiet || show_version_only)
|
|
fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
|
|
E2FSPROGS_DATE);
|
|
|
|
if (show_version_only) {
|
|
fprintf(stderr, _("\tUsing %s\n"),
|
|
error_message(EXT2_ET_BASE));
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* If there's no blocksize specified and there is a journal
|
|
* device, use it to figure out the blocksize
|
|
*/
|
|
if (blocksize <= 0 && journal_device) {
|
|
ext2_filsys jfs;
|
|
io_manager io_ptr;
|
|
|
|
#ifdef CONFIG_TESTIO_DEBUG
|
|
if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
|
|
io_ptr = test_io_manager;
|
|
test_io_backing_manager = unix_io_manager;
|
|
} else
|
|
#endif
|
|
io_ptr = unix_io_manager;
|
|
retval = ext2fs_open(journal_device,
|
|
EXT2_FLAG_JOURNAL_DEV_OK, 0,
|
|
0, io_ptr, &jfs);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while trying to open journal device %s\n"),
|
|
journal_device);
|
|
exit(1);
|
|
}
|
|
if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
|
|
com_err(program_name, 0,
|
|
_("Journal dev blocksize (%d) smaller than "
|
|
"minimum blocksize %d\n"), jfs->blocksize,
|
|
-blocksize);
|
|
exit(1);
|
|
}
|
|
blocksize = jfs->blocksize;
|
|
printf(_("Using journal device's blocksize: %d\n"), blocksize);
|
|
fs_param.s_log_block_size =
|
|
int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
|
|
ext2fs_close(jfs);
|
|
}
|
|
|
|
if (blocksize > sys_page_size) {
|
|
if (!force) {
|
|
com_err(program_name, 0,
|
|
_("%d-byte blocks too big for system (max %d)"),
|
|
blocksize, sys_page_size);
|
|
proceed_question();
|
|
}
|
|
fprintf(stderr, _("Warning: %d-byte blocks too big for system "
|
|
"(max %d), forced to continue\n"),
|
|
blocksize, sys_page_size);
|
|
}
|
|
if (optind < argc) {
|
|
fs_param.s_blocks_count = parse_num_blocks(argv[optind++],
|
|
fs_param.s_log_block_size);
|
|
if (!fs_param.s_blocks_count) {
|
|
com_err(program_name, 0, _("invalid blocks count - %s"),
|
|
argv[optind - 1]);
|
|
exit(1);
|
|
}
|
|
}
|
|
if (optind < argc)
|
|
usage();
|
|
|
|
if (!force)
|
|
check_plausibility(device_name);
|
|
check_mount(device_name, force, _("filesystem"));
|
|
|
|
fs_param.s_log_frag_size = fs_param.s_log_block_size;
|
|
|
|
if (noaction && fs_param.s_blocks_count) {
|
|
dev_size = fs_param.s_blocks_count;
|
|
retval = 0;
|
|
} else {
|
|
retry:
|
|
retval = ext2fs_get_device_size(device_name,
|
|
EXT2_BLOCK_SIZE(&fs_param),
|
|
&dev_size);
|
|
if ((retval == EFBIG) &&
|
|
(blocksize == 0) &&
|
|
(fs_param.s_log_block_size == 0)) {
|
|
fs_param.s_log_block_size = 2;
|
|
blocksize = 4096;
|
|
goto retry;
|
|
}
|
|
}
|
|
|
|
if (retval == EFBIG) {
|
|
blk64_t big_dev_size;
|
|
|
|
if (blocksize < 4096) {
|
|
fs_param.s_log_block_size = 2;
|
|
blocksize = 4096;
|
|
}
|
|
retval = ext2fs_get_device_size2(device_name,
|
|
EXT2_BLOCK_SIZE(&fs_param), &big_dev_size);
|
|
if (retval)
|
|
goto get_size_failure;
|
|
if (big_dev_size == (1ULL << 32)) {
|
|
dev_size = (blk_t) (big_dev_size - 1);
|
|
goto got_size;
|
|
}
|
|
fprintf(stderr, _("%s: Size of device %s too big "
|
|
"to be expressed in 32 bits\n\t"
|
|
"using a blocksize of %d.\n"),
|
|
program_name, device_name, EXT2_BLOCK_SIZE(&fs_param));
|
|
exit(1);
|
|
}
|
|
get_size_failure:
|
|
if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
|
|
com_err(program_name, retval,
|
|
_("while trying to determine filesystem size"));
|
|
exit(1);
|
|
}
|
|
got_size:
|
|
if (!fs_param.s_blocks_count) {
|
|
if (retval == EXT2_ET_UNIMPLEMENTED) {
|
|
com_err(program_name, 0,
|
|
_("Couldn't determine device size; you "
|
|
"must specify\nthe size of the "
|
|
"filesystem\n"));
|
|
exit(1);
|
|
} else {
|
|
if (dev_size == 0) {
|
|
com_err(program_name, 0,
|
|
_("Device size reported to be zero. "
|
|
"Invalid partition specified, or\n\t"
|
|
"partition table wasn't reread "
|
|
"after running fdisk, due to\n\t"
|
|
"a modified partition being busy "
|
|
"and in use. You may need to reboot\n\t"
|
|
"to re-read your partition table.\n"
|
|
));
|
|
exit(1);
|
|
}
|
|
fs_param.s_blocks_count = dev_size;
|
|
if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
|
|
fs_param.s_blocks_count &= ~((sys_page_size /
|
|
EXT2_BLOCK_SIZE(&fs_param))-1);
|
|
}
|
|
|
|
} else if (!force && (fs_param.s_blocks_count > dev_size)) {
|
|
com_err(program_name, 0,
|
|
_("Filesystem larger than apparent device size."));
|
|
proceed_question();
|
|
}
|
|
|
|
fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]);
|
|
if (!fs_types) {
|
|
fprintf(stderr, _("Failed to parse fs types list\n"));
|
|
exit(1);
|
|
}
|
|
|
|
/* Figure out what features should be enabled */
|
|
|
|
tmp = NULL;
|
|
if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
|
|
tmp = get_string_from_profile(fs_types, "base_features",
|
|
"sparse_super,filetype,resize_inode,dir_index");
|
|
edit_feature(tmp, &fs_param.s_feature_compat);
|
|
free(tmp);
|
|
|
|
for (cpp = fs_types; *cpp; cpp++) {
|
|
tmp = NULL;
|
|
profile_get_string(profile, "fs_types", *cpp,
|
|
"features", "", &tmp);
|
|
if (tmp && *tmp)
|
|
edit_feature(tmp, &fs_param.s_feature_compat);
|
|
free(tmp);
|
|
}
|
|
tmp = get_string_from_profile(fs_types, "default_features",
|
|
"");
|
|
}
|
|
edit_feature(fs_features ? fs_features : tmp,
|
|
&fs_param.s_feature_compat);
|
|
free(tmp);
|
|
|
|
if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
|
|
fs_types[0] = strdup("journal");
|
|
fs_types[1] = 0;
|
|
}
|
|
|
|
if (verbose) {
|
|
fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
|
|
print_str_list(fs_types);
|
|
}
|
|
|
|
if (r_opt == EXT2_GOOD_OLD_REV &&
|
|
(fs_param.s_feature_compat || fs_param.s_feature_incompat ||
|
|
fs_param.s_feature_ro_compat)) {
|
|
fprintf(stderr, _("Filesystem features not supported "
|
|
"with revision 0 filesystems\n"));
|
|
exit(1);
|
|
}
|
|
|
|
if (s_opt > 0) {
|
|
if (r_opt == EXT2_GOOD_OLD_REV) {
|
|
fprintf(stderr, _("Sparse superblocks not supported "
|
|
"with revision 0 filesystems\n"));
|
|
exit(1);
|
|
}
|
|
fs_param.s_feature_ro_compat |=
|
|
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
|
|
} else if (s_opt == 0)
|
|
fs_param.s_feature_ro_compat &=
|
|
~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
|
|
|
|
if (journal_size != 0) {
|
|
if (r_opt == EXT2_GOOD_OLD_REV) {
|
|
fprintf(stderr, _("Journals not supported "
|
|
"with revision 0 filesystems\n"));
|
|
exit(1);
|
|
}
|
|
fs_param.s_feature_compat |=
|
|
EXT3_FEATURE_COMPAT_HAS_JOURNAL;
|
|
}
|
|
|
|
if (fs_param.s_feature_incompat &
|
|
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
|
|
reserved_ratio = 0;
|
|
fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
|
|
fs_param.s_feature_compat = 0;
|
|
fs_param.s_feature_ro_compat = 0;
|
|
}
|
|
|
|
if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
|
|
(fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) {
|
|
fprintf(stderr, _("The resize_inode and meta_bg features "
|
|
"are not compatible.\n"
|
|
"They can not be both enabled "
|
|
"simultaneously.\n"));
|
|
exit(1);
|
|
}
|
|
|
|
/* Set first meta blockgroup via an environment variable */
|
|
/* (this is mostly for debugging purposes) */
|
|
if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
|
|
((tmp = getenv("MKE2FS_FIRST_META_BG"))))
|
|
fs_param.s_first_meta_bg = atoi(tmp);
|
|
|
|
/* Get the hardware sector size, if available */
|
|
retval = ext2fs_get_device_sectsize(device_name, §or_size);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while trying to determine hardware sector size"));
|
|
exit(1);
|
|
}
|
|
|
|
if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL)
|
|
sector_size = atoi(tmp);
|
|
|
|
if (blocksize <= 0) {
|
|
use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
|
|
|
|
if (use_bsize == -1) {
|
|
use_bsize = sys_page_size;
|
|
if ((linux_version_code < (2*65536 + 6*256)) &&
|
|
(use_bsize > 4096))
|
|
use_bsize = 4096;
|
|
}
|
|
if (sector_size && use_bsize < sector_size)
|
|
use_bsize = sector_size;
|
|
if ((blocksize < 0) && (use_bsize < (-blocksize)))
|
|
use_bsize = -blocksize;
|
|
blocksize = use_bsize;
|
|
fs_param.s_blocks_count /= blocksize / 1024;
|
|
}
|
|
|
|
if (inode_ratio == 0) {
|
|
inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
|
|
8192);
|
|
if (inode_ratio < blocksize)
|
|
inode_ratio = blocksize;
|
|
}
|
|
|
|
fs_param.s_log_frag_size = fs_param.s_log_block_size =
|
|
int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
|
|
|
|
blocksize = EXT2_BLOCK_SIZE(&fs_param);
|
|
|
|
lazy_itable_init = get_bool_from_profile(fs_types,
|
|
"lazy_itable_init", 0);
|
|
|
|
/* Get options from profile */
|
|
for (cpp = fs_types; *cpp; cpp++) {
|
|
tmp = NULL;
|
|
profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
|
|
if (tmp && *tmp)
|
|
parse_extended_opts(&fs_param, tmp);
|
|
free(tmp);
|
|
}
|
|
|
|
if (extended_opts)
|
|
parse_extended_opts(&fs_param, extended_opts);
|
|
|
|
/* Since sparse_super is the default, we would only have a problem
|
|
* here if it was explicitly disabled.
|
|
*/
|
|
if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
|
|
!(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
|
|
com_err(program_name, 0,
|
|
_("reserved online resize blocks not supported "
|
|
"on non-sparse filesystem"));
|
|
exit(1);
|
|
}
|
|
|
|
if (fs_param.s_blocks_per_group) {
|
|
if (fs_param.s_blocks_per_group < 256 ||
|
|
fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
|
|
com_err(program_name, 0,
|
|
_("blocks per group count out of range"));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (inode_size == 0)
|
|
inode_size = get_int_from_profile(fs_types, "inode_size", 0);
|
|
if (!flex_bg_size && (fs_param.s_feature_incompat &
|
|
EXT4_FEATURE_INCOMPAT_FLEX_BG))
|
|
flex_bg_size = get_int_from_profile(fs_types,
|
|
"flex_bg_size", 16);
|
|
if (flex_bg_size) {
|
|
if (!(fs_param.s_feature_incompat &
|
|
EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
|
|
com_err(program_name, 0,
|
|
_("Flex_bg feature not enabled, so "
|
|
"flex_bg size may not be specified"));
|
|
exit(1);
|
|
}
|
|
fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
|
|
}
|
|
|
|
if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
|
|
if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
|
|
inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
|
|
inode_size & (inode_size - 1)) {
|
|
com_err(program_name, 0,
|
|
_("invalid inode size %d (min %d/max %d)"),
|
|
inode_size, EXT2_GOOD_OLD_INODE_SIZE,
|
|
blocksize);
|
|
exit(1);
|
|
}
|
|
fs_param.s_inode_size = inode_size;
|
|
}
|
|
|
|
/* Make sure number of inodes specified will fit in 32 bits */
|
|
if (num_inodes == 0) {
|
|
unsigned long long n;
|
|
n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio;
|
|
if (n > ~0U) {
|
|
com_err(program_name, 0,
|
|
_("too many inodes (%llu), raise inode ratio?"), n);
|
|
exit(1);
|
|
}
|
|
} else if (num_inodes > ~0U) {
|
|
com_err(program_name, 0,
|
|
_("too many inodes (%llu), specify < 2^32 inodes"),
|
|
num_inodes);
|
|
exit(1);
|
|
}
|
|
/*
|
|
* Calculate number of inodes based on the inode ratio
|
|
*/
|
|
fs_param.s_inodes_count = num_inodes ? num_inodes :
|
|
((__u64) fs_param.s_blocks_count * blocksize)
|
|
/ inode_ratio;
|
|
|
|
if ((((long long)fs_param.s_inodes_count) *
|
|
(inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
|
|
(((long long)fs_param.s_blocks_count) *
|
|
EXT2_BLOCK_SIZE(&fs_param))) {
|
|
com_err(program_name, 0, _("inode_size (%u) * inodes_count "
|
|
"(%u) too big for a\n\t"
|
|
"filesystem with %lu blocks, "
|
|
"specify higher inode_ratio (-i)\n\t"
|
|
"or lower inode count (-N).\n"),
|
|
inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
|
|
fs_param.s_inodes_count,
|
|
(unsigned long) fs_param.s_blocks_count);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Calculate number of blocks to reserve
|
|
*/
|
|
fs_param.s_r_blocks_count = (unsigned int) (reserved_ratio *
|
|
fs_param.s_blocks_count / 100.0);
|
|
}
|
|
|
|
static int should_do_undo(const char *name)
|
|
{
|
|
errcode_t retval;
|
|
io_channel channel;
|
|
__u16 s_magic;
|
|
struct ext2_super_block super;
|
|
io_manager manager = unix_io_manager;
|
|
int csum_flag, force_undo;
|
|
|
|
csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
|
|
EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
|
|
force_undo = get_int_from_profile(fs_types, "force_undo", 0);
|
|
if (!force_undo && (!csum_flag || !lazy_itable_init))
|
|
return 0;
|
|
|
|
retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel);
|
|
if (retval) {
|
|
/*
|
|
* We don't handle error cases instead we
|
|
* declare that the file system doesn't exist
|
|
* and let the rest of mke2fs take care of
|
|
* error
|
|
*/
|
|
retval = 0;
|
|
goto open_err_out;
|
|
}
|
|
|
|
io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
|
|
retval = io_channel_read_blk(channel, 1, -SUPERBLOCK_SIZE, &super);
|
|
if (retval) {
|
|
retval = 0;
|
|
goto err_out;
|
|
}
|
|
|
|
#if defined(WORDS_BIGENDIAN)
|
|
s_magic = ext2fs_swab16(super.s_magic);
|
|
#else
|
|
s_magic = super.s_magic;
|
|
#endif
|
|
|
|
if (s_magic == EXT2_SUPER_MAGIC)
|
|
retval = 1;
|
|
|
|
err_out:
|
|
io_channel_close(channel);
|
|
|
|
open_err_out:
|
|
|
|
return retval;
|
|
}
|
|
|
|
static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
|
|
{
|
|
errcode_t retval = 0;
|
|
char *tdb_dir, *tdb_file;
|
|
char *device_name, *tmp_name;
|
|
|
|
/*
|
|
* Configuration via a conf file would be
|
|
* nice
|
|
*/
|
|
tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
|
|
if (!tdb_dir)
|
|
profile_get_string(profile, "defaults",
|
|
"undo_dir", 0, "/var/lib/e2fsprogs",
|
|
&tdb_dir);
|
|
|
|
if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
|
|
access(tdb_dir, W_OK))
|
|
return 0;
|
|
|
|
tmp_name = strdup(name);
|
|
if (!tmp_name) {
|
|
alloc_fn_fail:
|
|
com_err(program_name, ENOMEM,
|
|
_("Couldn't allocate memory for tdb filename\n"));
|
|
return ENOMEM;
|
|
}
|
|
device_name = basename(tmp_name);
|
|
tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1);
|
|
if (!tdb_file)
|
|
goto alloc_fn_fail;
|
|
sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name);
|
|
|
|
if (!access(tdb_file, F_OK)) {
|
|
if (unlink(tdb_file) < 0) {
|
|
retval = errno;
|
|
com_err(program_name, retval,
|
|
_("while trying to delete %s"),
|
|
tdb_file);
|
|
free(tdb_file);
|
|
return retval;
|
|
}
|
|
}
|
|
|
|
set_undo_io_backing_manager(*io_ptr);
|
|
*io_ptr = undo_io_manager;
|
|
set_undo_io_backup_file(tdb_file);
|
|
printf(_("Overwriting existing filesystem; this can be undone "
|
|
"using the command:\n"
|
|
" e2undo %s %s\n\n"), tdb_file, name);
|
|
|
|
free(tdb_file);
|
|
free(tmp_name);
|
|
return retval;
|
|
}
|
|
|
|
int main (int argc, char *argv[])
|
|
{
|
|
errcode_t retval = 0;
|
|
ext2_filsys fs;
|
|
badblocks_list bb_list = 0;
|
|
unsigned int journal_blocks;
|
|
unsigned int i;
|
|
int val, hash_alg;
|
|
io_manager io_ptr;
|
|
char tdb_string[40];
|
|
char *hash_alg_str;
|
|
|
|
#ifdef ENABLE_NLS
|
|
setlocale(LC_MESSAGES, "");
|
|
setlocale(LC_CTYPE, "");
|
|
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
|
|
textdomain(NLS_CAT_NAME);
|
|
#endif
|
|
PRS(argc, argv);
|
|
|
|
#ifdef CONFIG_TESTIO_DEBUG
|
|
if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
|
|
io_ptr = test_io_manager;
|
|
test_io_backing_manager = unix_io_manager;
|
|
} else
|
|
#endif
|
|
io_ptr = unix_io_manager;
|
|
|
|
if (should_do_undo(device_name)) {
|
|
retval = mke2fs_setup_tdb(device_name, &io_ptr);
|
|
if (retval)
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Initialize the superblock....
|
|
*/
|
|
retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param,
|
|
io_ptr, &fs);
|
|
if (retval) {
|
|
com_err(device_name, retval, _("while setting up superblock"));
|
|
exit(1);
|
|
}
|
|
sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
|
|
32768 : fs->blocksize * 8);
|
|
io_channel_set_options(fs->io, tdb_string);
|
|
|
|
if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
|
|
fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
|
|
|
|
if ((fs_param.s_feature_incompat &
|
|
(EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) ||
|
|
(fs_param.s_feature_ro_compat &
|
|
(EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
|
|
EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
|
|
EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE)))
|
|
fs->super->s_kbytes_written = 1;
|
|
|
|
/*
|
|
* Wipe out the old on-disk superblock
|
|
*/
|
|
if (!noaction)
|
|
zap_sector(fs, 2, 6);
|
|
|
|
/*
|
|
* Parse or generate a UUID for the filesystem
|
|
*/
|
|
if (fs_uuid) {
|
|
if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) {
|
|
com_err(device_name, 0, "could not parse UUID: %s\n",
|
|
fs_uuid);
|
|
exit(1);
|
|
}
|
|
} else
|
|
uuid_generate(fs->super->s_uuid);
|
|
|
|
/*
|
|
* Initialize the directory index variables
|
|
*/
|
|
hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
|
|
"half_md4");
|
|
hash_alg = e2p_string2hash(hash_alg_str);
|
|
fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
|
|
EXT2_HASH_HALF_MD4;
|
|
uuid_generate((unsigned char *) fs->super->s_hash_seed);
|
|
|
|
/*
|
|
* Add "jitter" to the superblock's check interval so that we
|
|
* don't check all the filesystems at the same time. We use a
|
|
* kludgy hack of using the UUID to derive a random jitter value.
|
|
*/
|
|
for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
|
|
val += fs->super->s_uuid[i];
|
|
fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
|
|
|
|
/*
|
|
* Override the creator OS, if applicable
|
|
*/
|
|
if (creator_os && !set_os(fs->super, creator_os)) {
|
|
com_err (program_name, 0, _("unknown os - %s"), creator_os);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* For the Hurd, we will turn off filetype since it doesn't
|
|
* support it.
|
|
*/
|
|
if (fs->super->s_creator_os == EXT2_OS_HURD)
|
|
fs->super->s_feature_incompat &=
|
|
~EXT2_FEATURE_INCOMPAT_FILETYPE;
|
|
|
|
/*
|
|
* Set the volume label...
|
|
*/
|
|
if (volume_label) {
|
|
memset(fs->super->s_volume_name, 0,
|
|
sizeof(fs->super->s_volume_name));
|
|
strncpy(fs->super->s_volume_name, volume_label,
|
|
sizeof(fs->super->s_volume_name));
|
|
}
|
|
|
|
/*
|
|
* Set the last mount directory
|
|
*/
|
|
if (mount_dir) {
|
|
memset(fs->super->s_last_mounted, 0,
|
|
sizeof(fs->super->s_last_mounted));
|
|
strncpy(fs->super->s_last_mounted, mount_dir,
|
|
sizeof(fs->super->s_last_mounted));
|
|
}
|
|
|
|
if (!quiet || noaction)
|
|
show_stats(fs);
|
|
|
|
if (noaction)
|
|
exit(0);
|
|
|
|
if (fs->super->s_feature_incompat &
|
|
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
|
|
create_journal_dev(fs);
|
|
exit(ext2fs_close(fs) ? 1 : 0);
|
|
}
|
|
|
|
if (bad_blocks_filename)
|
|
read_bb_file(fs, &bb_list, bad_blocks_filename);
|
|
if (cflag)
|
|
test_disk(fs, &bb_list);
|
|
|
|
handle_bad_blocks(fs, bb_list);
|
|
fs->stride = fs_stride = fs->super->s_raid_stride;
|
|
retval = ext2fs_allocate_tables(fs);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while trying to allocate filesystem tables"));
|
|
exit(1);
|
|
}
|
|
if (super_only) {
|
|
fs->super->s_state |= EXT2_ERROR_FS;
|
|
fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
|
|
} else {
|
|
/* rsv must be a power of two (64kB is MD RAID sb alignment) */
|
|
unsigned int rsv = 65536 / fs->blocksize;
|
|
unsigned long blocks = fs->super->s_blocks_count;
|
|
unsigned long start;
|
|
blk_t ret_blk;
|
|
|
|
#ifdef ZAP_BOOTBLOCK
|
|
zap_sector(fs, 0, 2);
|
|
#endif
|
|
|
|
/*
|
|
* Wipe out any old MD RAID (or other) metadata at the end
|
|
* of the device. This will also verify that the device is
|
|
* as large as we think. Be careful with very small devices.
|
|
*/
|
|
start = (blocks & ~(rsv - 1));
|
|
if (start > rsv)
|
|
start -= rsv;
|
|
if (start > 0)
|
|
retval = ext2fs_zero_blocks(fs, start, blocks - start,
|
|
&ret_blk, NULL);
|
|
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while zeroing block %u at end of filesystem"),
|
|
ret_blk);
|
|
}
|
|
write_inode_tables(fs, lazy_itable_init);
|
|
create_root_dir(fs);
|
|
create_lost_and_found(fs);
|
|
reserve_inodes(fs);
|
|
create_bad_block_inode(fs, bb_list);
|
|
if (fs->super->s_feature_compat &
|
|
EXT2_FEATURE_COMPAT_RESIZE_INODE) {
|
|
retval = ext2fs_create_resize_inode(fs);
|
|
if (retval) {
|
|
com_err("ext2fs_create_resize_inode", retval,
|
|
_("while reserving blocks for online resize"));
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (journal_device) {
|
|
ext2_filsys jfs;
|
|
|
|
if (!force)
|
|
check_plausibility(journal_device);
|
|
check_mount(journal_device, force, _("journal"));
|
|
|
|
retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
|
|
EXT2_FLAG_JOURNAL_DEV_OK, 0,
|
|
fs->blocksize, unix_io_manager, &jfs);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while trying to open journal device %s\n"),
|
|
journal_device);
|
|
exit(1);
|
|
}
|
|
if (!quiet) {
|
|
printf(_("Adding journal to device %s: "),
|
|
journal_device);
|
|
fflush(stdout);
|
|
}
|
|
retval = ext2fs_add_journal_device(fs, jfs);
|
|
if(retval) {
|
|
com_err (program_name, retval,
|
|
_("\n\twhile trying to add journal to device %s"),
|
|
journal_device);
|
|
exit(1);
|
|
}
|
|
if (!quiet)
|
|
printf(_("done\n"));
|
|
ext2fs_close(jfs);
|
|
free(journal_device);
|
|
} else if ((journal_size) ||
|
|
(fs_param.s_feature_compat &
|
|
EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
|
|
journal_blocks = figure_journal_size(journal_size, fs);
|
|
|
|
if (super_only) {
|
|
printf(_("Skipping journal creation in super-only mode\n"));
|
|
fs->super->s_journal_inum = EXT2_JOURNAL_INO;
|
|
goto no_journal;
|
|
}
|
|
|
|
if (!journal_blocks) {
|
|
fs->super->s_feature_compat &=
|
|
~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
|
|
goto no_journal;
|
|
}
|
|
if (!quiet) {
|
|
printf(_("Creating journal (%u blocks): "),
|
|
journal_blocks);
|
|
fflush(stdout);
|
|
}
|
|
retval = ext2fs_add_journal_inode(fs, journal_blocks,
|
|
journal_flags);
|
|
if (retval) {
|
|
com_err (program_name, retval,
|
|
_("\n\twhile trying to create journal"));
|
|
exit(1);
|
|
}
|
|
if (!quiet)
|
|
printf(_("done\n"));
|
|
}
|
|
no_journal:
|
|
|
|
if (!quiet)
|
|
printf(_("Writing superblocks and "
|
|
"filesystem accounting information: "));
|
|
retval = ext2fs_flush(fs);
|
|
if (retval) {
|
|
fprintf(stderr,
|
|
_("\nWarning, had trouble writing out superblocks."));
|
|
}
|
|
if (!quiet) {
|
|
printf(_("done\n\n"));
|
|
if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
|
|
print_check_message(fs);
|
|
}
|
|
val = ext2fs_close(fs);
|
|
remove_error_table(&et_ext2_error_table);
|
|
remove_error_table(&et_prof_error_table);
|
|
profile_release(profile);
|
|
return (retval || val) ? 1 : 0;
|
|
}
|