mke2fs.c revision 92bcc595dcb31ad15e12d8c72e6edfc70545c204
13839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 23839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * mke2fs.c - Make a ext2fs filesystem. 33839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * 419c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * Copyright (C) 1994, 1995, 1996, 1997 Theodore Ts'o. 519c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * 619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * %Begin-Header% 719c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * This file may be redistributed under the terms of the GNU Public 819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * License. 919c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * %End-Header% 103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* Usage: mke2fs [options] device 133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * 143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * The device may be a block device or a image of one, but this isn't 153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * enforced (but it's not much fun on a character device :-). 163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 18a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#include <stdio.h> 193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <string.h> 203839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <fcntl.h> 213839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <ctype.h> 223839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <termios.h> 233839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <time.h> 24a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_GETOPT_H 253839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <getopt.h> 26a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 27a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_UNISTD_H 283839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <unistd.h> 29a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 30a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_STDLIB_H 313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <stdlib.h> 32a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 33a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_ERRNO_H 34a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#include <errno.h> 35a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 36a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_MNTENT_H 373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <mntent.h> 38a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <sys/ioctl.h> 40f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o#include <sys/types.h> 4174becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#include <sys/stat.h> 42f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 43a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_LINUX_FS_H 443839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <linux/fs.h> 45a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 46f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o#include <linux/ext2_fs.h> 4774becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#ifdef HAVE_LINUX_MAJOR_H 4874becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#include <linux/major.h> 4974becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#endif 503839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 513839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "et/com_err.h" 521e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#include "uuid/uuid.h" 533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "ext2fs/ext2fs.h" 543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "../version.h" 553839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 563839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#define STRIDE_LENGTH 8 573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 581e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#ifndef sparc 591e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#define ZAP_BOOTBLOCK 601e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#endif 611e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 623839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oextern int isatty(int); 63f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'oextern FILE *fpopen(const char *cmd, const char *mode); 643839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 653839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oconst char * program_name = "mke2fs"; 663839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oconst char * device_name = NULL; 673839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 683839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* Command line options */ 693839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint cflag = 0; 703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint verbose = 0; 713839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint quiet = 0; 72f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'oint super_only = 0; 7374becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'oint force = 0; 743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ochar *bad_blocks_filename = 0; 75a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o__u32 fs_stride = 0; 763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostruct ext2_super_block param; 781e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ochar *creator_os = NULL; 791e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ochar *volume_label = NULL; 801e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ochar *mount_dir = NULL; 813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void usage(NOARGS) 833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 841e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o fprintf(stderr, "Usage: %s [-c|-t|-l filename] [-b block-size] " 851e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o "[-f fragment-size]\n\t[-i bytes-per-inode] " 861e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o "[-m reserved-blocks-percentage] [-qvS]\n\t" 871e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o "[-o creator-os] [-g blocks-per-group] [-L volume-label]\n\t" 88a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "[-M last-mounted-directory] [-r fs-revision] [-R raid_opts]\n\t" 89a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "device [blocks-count]\n", 903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o program_name); 913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic int log2(int arg) 953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int l = 0; 973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o arg >>= 1; 993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o while (arg) { 1003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o l++; 1013839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o arg >>= 1; 1023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return l; 1043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 10674becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'ostatic void check_plausibility(NOARGS) 10774becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o{ 10874becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#ifdef HAVE_LINUX_MAJOR_H 10974becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o int val; 11074becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o struct stat s; 11174becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o 11274becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o val = stat(device_name, &s); 11374becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o 11474becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o if(val == -1) { 11519c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o printf("Could not stat %s --- %s\n", device_name, 11619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o error_message(errno)); 11719c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (errno == ENOENT) 11819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o printf("\nThe device apparently does not exist; " 11919c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o "did yo specify it correctly?\n"); 12074becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o exit(1); 12174becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o } 12274becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o if(!S_ISBLK(s.st_mode)) { 12374becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o printf("%s is not a block special device.\n", device_name); 12474becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o printf("Proceed anyway? (y,n) "); 12574becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o if (getchar() != 'y') 12674becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o exit(1); 12774becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o return; 12874becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o } 12974becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o if ((MAJOR(s.st_rdev) == HD_MAJOR && MINOR(s.st_rdev)%64 == 0) || 13074becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o (MAJOR(s.st_rdev) == SCSI_DISK_MAJOR && 13174becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o MINOR(s.st_rdev)%16 == 0)) { 13274becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o printf("%s is entire device, not just one partition!\n", 13374becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o device_name); 13474becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o printf("Proceed anyway? (y,n) "); 13574becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o if (getchar() != 'y') 13674becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o exit(1); 13774becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o return; 13874becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o } 13974becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#endif 14074becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o} 14174becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o 1423839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void check_mount(NOARGS) 1433839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 144a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o errcode_t retval; 145a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o int mount_flags; 1463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 147a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o retval = ext2fs_check_if_mounted(device_name, &mount_flags); 148a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o if (retval) { 149a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o com_err("ext2fs_check_if_mount", retval, 150a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o "while determining whether %s is mounted.", 151a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o device_name); 1523839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 153a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o } 154a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o if (!(mount_flags & EXT2_MF_MOUNTED)) 1553839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 156a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o 1573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fprintf(stderr, "%s is mounted; will not make a filesystem here!\n", 1583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o device_name); 1593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 1603839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1613839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1623839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 1633839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Helper function for read_bb_file and test_disk 1643839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 1653839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void invalid_block(ext2_filsys fs, blk_t blk) 1663839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 167a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("Bad block %u out of range; ignored.\n", blk); 1683839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 1693839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1713839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 1723839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Reads the bad blocks list from a file 1733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 1743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 1753839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o const char *bad_blocks_file) 1763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 1773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o FILE *f; 1783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 1793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o f = fopen(bad_blocks_file, "r"); 1813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!f) { 1823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("read_bad_blocks_file", errno, 1833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while trying to open %s", bad_blocks_file); 1843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 1853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 1873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fclose (f); 1883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 1893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_read_bb_FILE", retval, 1903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while reading in list of bad blocks from file"); 1913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 1923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 1963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Runs the badblocks program to test the disk 1973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 1983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void test_disk(ext2_filsys fs, badblocks_list *bb_list) 1993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 2003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o FILE *f; 2013839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 2023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o char buf[1024]; 2033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 204f635d7f65bd002984ce9a202d491d4f187b996b2Theodore Ts'o sprintf(buf, "badblocks -b %d %s%s %d", fs->blocksize, 205f635d7f65bd002984ce9a202d491d4f187b996b2Theodore Ts'o quiet ? "" : "-s ", fs->device_name, 2063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->super->s_blocks_count); 2073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (verbose) 2083839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Running command: %s\n", buf); 2093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o f = popen(buf, "r"); 2103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!f) { 2113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("popen", errno, 2123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while trying run '%s'", buf); 2133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 2143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 2153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 216f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o pclose(f); 2173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 2183839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_read_bb_FILE", retval, 2193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while processing list of bad blocks from program"); 2203839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 2213839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 2223839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 2233839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 2243839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 2253839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 226f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o int i, j; 2273839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int must_be_good; 2283839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o blk_t blk; 2293839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o badblocks_iterate bb_iter; 2303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 231f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o blk_t group_block; 232f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o int group; 233f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o int group_bad; 2343839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 2353839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!bb_list) 2363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 2373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 2383839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 2393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * The primary superblock and group descriptors *must* be 2403839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * good; if not, abort. 2413839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 2423839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 2433839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 2443839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (badblocks_list_test(bb_list, i)) { 2453839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fprintf(stderr, "Block %d in primary superblock/group " 2463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "descriptor area bad.\n", i); 247a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o fprintf(stderr, "Blocks %d through %d must be good " 2483839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "in order to build a filesystem.\n", 2493839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->super->s_first_data_block, must_be_good); 2503839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fprintf(stderr, "Aborting....\n"); 2513839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 2523839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 2533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 254f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 255f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o /* 256f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o * See if any of the bad blocks are showing up in the backup 257f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o * superblocks and/or group descriptors. If so, issue a 258f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o * warning and adjust the block counts appropriately. 259f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o */ 260f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group_block = fs->super->s_first_data_block + 261f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->super->s_blocks_per_group; 262f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 263f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o for (i = 1; i < fs->group_desc_count; i++) { 26492bcc595dcb31ad15e12d8c72e6edfc70545c204Theodore Ts'o group_bad = 0; 265f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o for (j=0; j < fs->desc_blocks+1; j++) { 266f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (badblocks_list_test(bb_list, group_block + 267f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o j)) { 268f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (!group_bad) 269f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fprintf(stderr, 270a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o"Warning: the backup superblock/group descriptors at block %d contain\n" 271f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o" bad blocks.\n\n", 272f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group_block); 273f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group_bad++; 274f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group = ext2fs_group_of_blk(fs, group_block+j); 275f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->group_desc[group].bg_free_blocks_count++; 276f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->super->s_free_blocks_count++; 277f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 278f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 279f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group_block += fs->super->s_blocks_per_group; 280f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 2813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 2823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 2833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Mark all the bad blocks as used... 2843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 2853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = badblocks_list_iterate_begin(bb_list, &bb_iter); 2863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 2873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("badblocks_list_iterate_begin", retval, 2883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while marking bad blocks as used"); 2893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 2903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 2913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o while (badblocks_list_iterate(bb_iter, &blk)) 292f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o ext2fs_mark_block_bitmap(fs->block_map, blk); 2933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o badblocks_list_iterate_end(bb_iter); 2943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 2953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 29619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'ostatic void write_inode_tables(ext2_filsys fs) 2973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 2983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 2993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o blk_t blk; 30019c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o int i, j, num, count; 30119c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o char *buf; 3023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o buf = malloc(fs->blocksize * STRIDE_LENGTH); 3043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!buf) { 3053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("malloc", ENOMEM, "while allocating zeroizing buffer"); 3063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 3073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 3083839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o memset(buf, 0, fs->blocksize * STRIDE_LENGTH); 3093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 3113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Writing inode tables: "); 3123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (i = 0; i < fs->group_desc_count; i++) { 3133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 3143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("%4d/%4ld", i, fs->group_desc_count); 3153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 31619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o blk = fs->group_desc[i].bg_inode_table; 31719c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o num = fs->inode_blocks_per_group; 31819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o 31919c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) { 32019c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (num-j > STRIDE_LENGTH) 32119c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o count = STRIDE_LENGTH; 32219c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o else 32319c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o count = num - j; 32419c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o retval = io_channel_write_blk(fs->io, blk, count, buf); 32519c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (retval) 32619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o printf("Warning: could not write %d blocks " 32719c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o "in inode table starting at %d: %s\n", 32819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o count, blk, error_message(retval)); 32919c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o } 3303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 3313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("\b\b\b\b\b\b\b\b\b"); 3323839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 33319c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o free(buf); 3343839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 3353839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("done \n"); 3363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 3373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3383839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void create_root_dir(ext2_filsys fs) 3393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 3403839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 341f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o struct ext2_inode inode; 3423839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3433839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 3443839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 3453839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_mkdir", retval, "while creating root dir"); 3463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 3473839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 348f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (geteuid()) { 349f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 350f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (retval) { 351f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err("ext2fs_read_inode", retval, 352f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "while reading root inode"); 353f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o exit(1); 354f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 35519c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o inode.i_uid = getuid(); 35619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (inode.i_uid) 35719c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o inode.i_gid = getgid(); 358f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o retval = ext2fs_write_inode(fs, EXT2_ROOT_INO, &inode); 359f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (retval) { 360f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err("ext2fs_write_inode", retval, 361f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "while setting root inode ownership"); 362f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o exit(1); 363f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 364f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 3653839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 3663839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3673839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void create_lost_and_found(ext2_filsys fs) 3683839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 3693839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 3703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o ino_t ino; 3713839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o const char *name = "lost+found"; 3723839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int i; 3733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 3753839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 3763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_mkdir", retval, "while creating /lost+found"); 3773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 3783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 3793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 3813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 3823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2_lookup", retval, "while looking up /lost+found"); 3833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 3843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 3853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 3873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_expand_dir(fs, ino); 3883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 3893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_expand_dir", retval, 3903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while expanding /lost+found"); 3913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 3923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 3933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 3943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 3953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 3973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 3983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 3993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 400f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO); 4013839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->group_desc[0].bg_free_inodes_count--; 4023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->super->s_free_inodes_count--; 4033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_update_bb_inode(fs, bb_list); 4043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 4053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_update_bb_inode", retval, 4063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while setting bad block inode"); 4073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 4083839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 4093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 4113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void reserve_inodes(ext2_filsys fs) 4133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 4143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o ino_t i; 4153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int group; 4163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4177f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) { 418f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o ext2fs_mark_inode_bitmap(fs->inode_map, i); 4193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o group = ext2fs_group_of_ino(fs, i); 4203839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->group_desc[group].bg_free_inodes_count--; 4213839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->super->s_free_inodes_count--; 4223839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 4233839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o ext2fs_mark_ib_dirty(fs); 4243839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 4253839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4261e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#ifdef ZAP_BOOTBLOCK 427f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'ostatic void zap_bootblock(ext2_filsys fs) 428f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o{ 429f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o char buf[512]; 430f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o int retval; 431f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 432f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o memset(buf, 0, 512); 433f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 434f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o retval = io_channel_write_blk(fs->io, 0, -512, buf); 435f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (retval) 436f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o printf("Warning: could not erase block 0: %s\n", 437f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o error_message(retval)); 438f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o} 4391e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#endif 440f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 441f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 4423839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void show_stats(ext2_filsys fs) 4433839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 4441e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o struct ext2fs_sb *s = (struct ext2fs_sb *) fs->super; 4451e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o char buf[80]; 4463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o blk_t group_block; 4473839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int i, col_left; 4483839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4493839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (param.s_blocks_count != s->s_blocks_count) 450a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("warning: %d blocks unused.\n\n", 4513839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_blocks_count - s->s_blocks_count); 4523839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4531e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o switch (fs->super->s_creator_os) { 4541e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case EXT2_OS_LINUX: printf ("Linux"); break; 4551e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case EXT2_OS_HURD: printf ("GNU/hurd"); break; 4561e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case EXT2_OS_MASIX: printf ("Masix"); break; 4571e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o default: printf ("(unknown os)"); 4581e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 4591e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o printf (" ext2 filesystem format\n"); 4601e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o memset(buf, 0, sizeof(buf)); 4611e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 4621e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o printf("Filesystem label=%s\n", buf); 463a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u inodes, %u blocks\n", s->s_inodes_count, 4643839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o s->s_blocks_count); 465a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u blocks (%2.2f%%) reserved for the super user\n", 4663839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o s->s_r_blocks_count, 4673839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 100.0 * s->s_r_blocks_count / s->s_blocks_count); 468a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("First data block=%u\n", s->s_first_data_block); 469a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("Block size=%u (log=%u)\n", fs->blocksize, 4703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o s->s_log_block_size); 471a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("Fragment size=%u (log=%u)\n", fs->fragsize, 4723839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o s->s_log_frag_size); 4733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("%lu block group%s\n", fs->group_desc_count, 4743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o (fs->group_desc_count > 1) ? "s" : ""); 475a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u blocks per group, %u fragments per group\n", 4763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o s->s_blocks_per_group, s->s_frags_per_group); 477a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u inodes per group\n", s->s_inodes_per_group); 4783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (fs->group_desc_count == 1) { 4803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("\n"); 4813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 4823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 4833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Superblock backups stored on blocks: "); 4853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o group_block = s->s_first_data_block; 4863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o col_left = 0; 4873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (i = 1; i < fs->group_desc_count; i++) { 4883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o group_block += s->s_blocks_per_group; 489521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o if (!ext2fs_bg_has_super(fs, i)) 490521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o continue; 4913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!col_left--) { 4923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("\n\t"); 493e22d4616efcea5e5920e4cc9526b27bb5a79cf01Theodore Ts'o col_left = 6; 4943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 495a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u", group_block); 4963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (i != fs->group_desc_count - 1) 4973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf(", "); 4983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 4993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("\n\n"); 5003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 5013839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 5021e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#ifndef HAVE_STRCASECMP 5031e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ostatic int strcasecmp (char *s1, char *s2) 5041e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 5051e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o while (*s1 && *s2) { 5061e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o int ch1 = *s1++, ch2 = *s2++; 5071e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (isupper (ch1)) 5081e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o ch1 = tolower (ch1); 5091e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (isupper (ch2)) 5101e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o ch2 = tolower (ch2); 5111e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (ch1 != ch2) 5121e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return ch1 - ch2; 5131e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 5141e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return *s1 ? 1 : *s2 ? -1 : 0; 5151e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 5161e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#endif 5171e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 5181e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o/* 5191e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Set the S_CREATOR_OS field. Return true if OS is known, 5201e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * otherwise, 0. 5211e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 5221e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ostatic int set_os(struct ext2_super_block *sb, char *os) 5231e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 5241e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (isdigit (*os)) 5251e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sb->s_creator_os = atoi (os); 5261e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o else if (strcasecmp(os, "linux") == 0) 5271e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sb->s_creator_os = EXT2_OS_LINUX; 5281e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 5291e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sb->s_creator_os = EXT2_OS_HURD; 5301e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o else if (strcasecmp(os, "masix") == 0) 5311e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sb->s_creator_os = EXT2_OS_MASIX; 5321e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o else 5331e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return 0; 5341e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return 1; 5351e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 5361e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 537a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#define PATH_SET "PATH=/sbin" 538a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o 539d163b0948731e6d84bd3efe75075a2d0a8009272Theodore Ts'ostatic void parse_raid_opts(const char *opts) 540a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o{ 541a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o char *buf, *token, *next, *p, *arg; 542a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o int len; 543a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o int raid_usage = 0; 544a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 545a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o len = strlen(opts); 546a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o buf = malloc(len+1); 547a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (!buf) { 548a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fprintf(stderr, "Couldn't allocate memory to parse " 549a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "raid options!\n"); 550a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o exit(1); 551a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 552a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o strcpy(buf, opts); 553a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o for (token = buf; token && *token; token = next) { 554a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o p = strchr(token, ','); 555a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o next = 0; 556a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (p) { 557a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o *p = 0; 558a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o next = p+1; 559a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 560a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o arg = strchr(token, '='); 561a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (arg) { 562a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o *arg = 0; 563a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o arg++; 564a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 565a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (strcmp(token, "stride") == 0) { 566a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (!arg) { 567a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o raid_usage++; 568a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o continue; 569a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 570a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fs_stride = strtoul(arg, &p, 0); 571a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (*p || (fs_stride == 0)) { 572a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fprintf(stderr, "Invalid stride parameter.\n"); 573a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o raid_usage++; 574a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o continue; 575a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 576a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } else 577a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o raid_usage++; 578a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 579a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (raid_usage) { 580a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fprintf(stderr, "\nBad raid options specified.\n\n" 581a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "Raid options are separated by commas, " 582a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "and may take an argument which\n" 583a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "\tis set off by an equals ('=') sign.\n\n" 584a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "Valid raid options are:\n" 585a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "\tstride=<stride length in blocks>\n\n"); 586a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o exit(1); 587a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 588a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o} 589a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 590a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 591a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 5923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void PRS(int argc, char *argv[]) 5933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 594519149fb458b0fa69c10fecd83fae42e838cf01dTheodore Ts'o int c; 5953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int size; 5963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o char * tmp; 597521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o blk_t max = 8192; 5983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int inode_ratio = 4096; 5993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int reserved_ratio = 5; 600a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o errcode_t retval; 601521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o int sparse_option = -1; 602a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o char *oldpath = getenv("PATH"); 603521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o struct ext2fs_sb *param_ext2 = (struct ext2fs_sb *) ¶m; 604a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o char *raid_opts = 0; 605521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o 6063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* Update our PATH to include /sbin */ 607a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o if (oldpath) { 608a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o char *newpath; 609a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o 610a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o newpath = malloc(sizeof (PATH_SET) + 1 + strlen (oldpath)); 611a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o strcpy (newpath, PATH_SET); 612a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o strcat (newpath, ":"); 613a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o strcat (newpath, oldpath); 614a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o putenv (newpath); 615a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o } else 616a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o putenv (PATH_SET); 6173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 6183839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o setbuf(stdout, NULL); 6193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o setbuf(stderr, NULL); 6203839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o initialize_ext2_error_table(); 6213839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o memset(¶m, 0, sizeof(struct ext2_super_block)); 6223839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 6233839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fprintf (stderr, "mke2fs %s, %s for EXT2 FS %s, %s\n", 6243839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o E2FSPROGS_VERSION, E2FSPROGS_DATE, 6253839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o EXT2FS_VERSION, EXT2FS_DATE); 6263839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (argc && *argv) 6273839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o program_name = *argv; 6281e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o while ((c = getopt (argc, argv, 629a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "b:cf:g:i:l:m:o:qr:R:s:tvI:SFL:M:")) != EOF) 6303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o switch (c) { 6313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'b': 6323839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o size = strtoul(optarg, &tmp, 0); 6333839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (size < 1024 || size > 4096 || *tmp) { 6343839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, "bad block size - %s", 6353839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optarg); 6363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 6373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 6383839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_log_block_size = 6393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); 640521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o max = size * 8; 6413839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 6423839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'c': 6433839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 't': /* Check for bad blocks */ 6443839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o cflag = 1; 6453839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 6463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'f': 6473839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o size = strtoul(optarg, &tmp, 0); 6483839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (size < 1024 || size > 4096 || *tmp) { 6493839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, "bad fragment size - %s", 6503839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optarg); 6513839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 6523839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 6533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_log_frag_size = 6543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); 6553839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Warning: fragments not supported. " 6563839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "Ignoring -f option\n"); 6573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 6583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'g': 6593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 660f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (*tmp) { 661f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err(program_name, 0, 662f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "Illegal number for blocks per group"); 663f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o exit(1); 664f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 665f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if ((param.s_blocks_per_group % 8) != 0) { 666f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err(program_name, 0, 667f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "blocks per group must be multiple of 8"); 6683839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 6693839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 6703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 6713839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'i': 6723839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o inode_ratio = strtoul(optarg, &tmp, 0); 6733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (inode_ratio < 1024 || inode_ratio > 256 * 1024 || 6743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o *tmp) { 6753839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, "bad inode ratio - %s", 6763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optarg); 6773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 6783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 6793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 6803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'l': 681f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o bad_blocks_filename = malloc(strlen(optarg)+1); 682f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (!bad_blocks_filename) { 683f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err(program_name, ENOMEM, 684f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "in malloc for bad_blocks_filename"); 685f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o exit(1); 686f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 687f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o strcpy(bad_blocks_filename, optarg); 6883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 6893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'm': 6903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o reserved_ratio = strtoul(optarg, &tmp, 0); 6913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (reserved_ratio > 50 || *tmp) { 6923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, 6933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "bad reserved blocks percent - %s", 6943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optarg); 6953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 6963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 6973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 6981e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case 'o': 6991e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o creator_os = optarg; 7001e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o break; 7017f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o case 'r': 7027f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o param.s_rev_level = atoi(optarg); 7037f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o break; 704521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o case 's': 705521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o sparse_option = atoi(optarg); 706521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o break; 7077f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o#ifdef EXT2_DYNAMIC_REV 7087f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o case 'I': 7097f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o param.s_inode_size = atoi(optarg); 7107f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o break; 7117f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o#endif 7123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'v': 7133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o verbose = 1; 7143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 7153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'q': 7163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o quiet = 1; 7173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 71874becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o case 'F': 71974becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o force = 1; 72074becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o break; 7211e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case 'L': 7221e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o volume_label = optarg; 7231e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o break; 7241e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case 'M': 7251e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o mount_dir = optarg; 7261e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o break; 727a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o case 'R': 728a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o raid_opts = optarg; 729a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o break; 730f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o case 'S': 731f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o super_only = 1; 732f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o break; 7333839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o default: 7343839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o usage(); 7353839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 7363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (optind == argc) 7373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o usage(); 7383839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o device_name = argv[optind]; 7393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optind++; 7403839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (optind < argc) { 7413839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_blocks_count = strtoul(argv[optind++], &tmp, 0); 7423839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (*tmp) { 7433839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, "bad blocks count - %s", 7443839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o argv[optind - 1]); 7453839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 7463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 7473839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 7483839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (optind < argc) 7493839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o usage(); 750a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o 751a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (raid_opts) 752a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o parse_raid_opts(raid_opts); 753a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 75474becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o if (!force) 75574becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o check_plausibility(); 756a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o check_mount(); 757a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o 7583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_log_frag_size = param.s_log_block_size; 7593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 760a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o if (!param.s_blocks_count) { 761a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o retval = ext2fs_get_device_size(device_name, 762a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o EXT2_BLOCK_SIZE(¶m), 763a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o ¶m.s_blocks_count); 764a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o if (retval) { 7651e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o com_err(program_name, retval, 766a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o "while trying to determine filesystem size"); 767a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o exit(1); 768a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o } 769a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o } 7703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 771521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o if (param.s_blocks_per_group) { 772521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o if (param.s_blocks_per_group < 256 || 773521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o param.s_blocks_per_group > max || *tmp) { 774521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o com_err(program_name, 0, 775521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o "blocks per group count out of range"); 776521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o exit(1); 777521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o } 778521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o } 779521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o 7803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 7813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Calculate number of inodes based on the inode ratio 7823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 7833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_inodes_count = 784f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o ((long long) param.s_blocks_count * EXT2_BLOCK_SIZE(¶m)) 785f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o / inode_ratio; 7863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 7873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 7883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Calculate number of blocks to reserve 7893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 7903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100; 791521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o 792521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o /* 793521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o * If we are using revision #1, use the sparse super feature 794521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o * by default 795521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o */ 796521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o#ifdef EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 797521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o if ((sparse_option == 1) 798521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o#ifdef EXT2_DYNAMIC_REV 799521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o || (param.s_rev_level >= EXT2_DYNAMIC_REV) && (!sparse_option) 800521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o#endif 801521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o ) 802521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o param_ext2->s_feature_ro_compat |= 803521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 804521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o#endif 8053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 8063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 8073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint main (int argc, char *argv[]) 8083839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 8093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval = 0; 8103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o ext2_filsys fs; 8113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o badblocks_list bb_list = 0; 8121e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o struct ext2fs_sb *s; 8133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 8143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o PRS(argc, argv); 8153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 8163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 8173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Initialize the superblock.... 8183839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 8193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_initialize(device_name, 0, ¶m, 8203839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o unix_io_manager, &fs); 8213839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 8223839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(device_name, retval, "while setting up superblock"); 8233839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 8243839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 8253839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 8261e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o /* 8271e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Generate a UUID for it... 8281e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 8291e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o s = (struct ext2fs_sb *) fs->super; 8301e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o uuid_generate(s->s_uuid); 8311e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 8321e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o /* 8331e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Override the creator OS, if applicable 8341e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 8351e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (creator_os && !set_os(fs->super, creator_os)) { 8361e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o com_err (program_name, 0, "unknown os - %s", creator_os); 8371e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o exit(1); 8381e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 8391e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 8401e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o /* 8411e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Set the volume label... 8421e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 8431e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (volume_label) { 8441e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o memset(s->s_volume_name, 0, sizeof(s->s_volume_name)); 8451e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o strncpy(s->s_volume_name, volume_label, 8461e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sizeof(s->s_volume_name)); 8471e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 8481e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 8491e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o /* 8501e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Set the last mount directory 8511e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 8521e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (mount_dir) { 8531e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o memset(s->s_last_mounted, 0, sizeof(s->s_last_mounted)); 8541e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o strncpy(s->s_last_mounted, mount_dir, 8551e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sizeof(s->s_last_mounted)); 8561e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 8571e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 8583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 8593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o show_stats(fs); 8603839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 8613839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (bad_blocks_filename) 8623839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o read_bb_file(fs, &bb_list, bad_blocks_filename); 8633839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (cflag) 8643839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o test_disk(fs, &bb_list); 8653839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 8663839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o handle_bad_blocks(fs, bb_list); 867a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fs->stride = fs_stride; 86819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o retval = ext2fs_allocate_tables(fs); 86919c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (retval) { 87019c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o com_err(program_name, retval, 87119c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o "while trying to allocate filesystem tables"); 87219c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o exit(1); 87319c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o } 874f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (super_only) { 875f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->super->s_state |= EXT2_ERROR_FS; 876f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 877f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } else { 87819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o write_inode_tables(fs); 879f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o create_root_dir(fs); 880f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o create_lost_and_found(fs); 881f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o reserve_inodes(fs); 882f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o create_bad_block_inode(fs, bb_list); 8831e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#ifdef ZAP_BOOTBLOCK 884f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o zap_bootblock(fs); 8851e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#endif 886f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 8873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 8883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 8893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Writing superblocks and " 8903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "filesystem accounting information: "); 8913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o ext2fs_close(fs); 8923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 8933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("done\n"); 8943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 0; 8953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 896