mke2fs.c revision ad6783df0c9d06e5c298167de34aec8e6e25e6c2
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 <time.h> 232740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o#ifdef linux 242740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o#include <sys/utsname.h> 252740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o#endif 26a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_GETOPT_H 273839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <getopt.h> 28a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 29a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_UNISTD_H 303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <unistd.h> 31a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 32a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_STDLIB_H 333839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <stdlib.h> 34a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 35a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_ERRNO_H 36a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#include <errno.h> 37a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 38a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_MNTENT_H 393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <mntent.h> 40a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 413839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <sys/ioctl.h> 42f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o#include <sys/types.h> 4374becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#include <sys/stat.h> 44f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 45a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#ifdef HAVE_LINUX_FS_H 463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <linux/fs.h> 47a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#endif 48f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o#include <linux/ext2_fs.h> 4974becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#ifdef HAVE_LINUX_MAJOR_H 5074becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#include <linux/major.h> 5174becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#endif 523839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "et/com_err.h" 541e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#include "uuid/uuid.h" 55896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o#include "e2p/e2p.h" 563839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "ext2fs/ext2fs.h" 573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "../version.h" 583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 59bbfa3aa990ba29de563d30598f9bf515be26026cTheodore Ts'o/* Everything is STDC, these days */ 60bbfa3aa990ba29de563d30598f9bf515be26026cTheodore Ts'o#define NOARGS void 61bbfa3aa990ba29de563d30598f9bf515be26026cTheodore Ts'o 623839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#define STRIDE_LENGTH 8 633839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 641e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#ifndef sparc 651e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#define ZAP_BOOTBLOCK 661e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#endif 671e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 683839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oextern int isatty(int); 69f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'oextern FILE *fpopen(const char *cmd, const char *mode); 703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 713839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oconst char * program_name = "mke2fs"; 723839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oconst char * device_name = NULL; 733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* Command line options */ 753839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint cflag = 0; 763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint verbose = 0; 773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint quiet = 0; 78f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'oint super_only = 0; 7974becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'oint force = 0; 8050787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'oint noaction = 0; 813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ochar *bad_blocks_filename = 0; 82a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o__u32 fs_stride = 0; 833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostruct ext2_super_block param; 851e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ochar *creator_os = NULL; 861e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ochar *volume_label = NULL; 871e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ochar *mount_dir = NULL; 883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 89bbfa3aa990ba29de563d30598f9bf515be26026cTheodore Ts'ostatic void usage(NOARGS), check_plausibility(NOARGS), check_mount(NOARGS); 90bbfa3aa990ba29de563d30598f9bf515be26026cTheodore Ts'o 913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void usage(NOARGS) 923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 931e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o fprintf(stderr, "Usage: %s [-c|-t|-l filename] [-b block-size] " 941e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o "[-f fragment-size]\n\t[-i bytes-per-inode] " 955515e6b47de9ff941164a546dd9a74e9c6da3367Theodore Ts'o " [-N number-of-inodes]\n\t[-m reserved-blocks-percentage] " 965515e6b47de9ff941164a546dd9a74e9c6da3367Theodore Ts'o "[-o creator-os] [-g blocks-per-group]\n\t[-L volume-label] " 9718160d26c0fcf8dbe990977c0231ebbc79fc9508Theodore Ts'o "[-M last-mounted-directory] [-O feature[,...]]\n\t" 9818160d26c0fcf8dbe990977c0231ebbc79fc9508Theodore Ts'o "[-r fs-revision] [-R raid_opts] [-s sparse-super-flag]\n\t" 9918160d26c0fcf8dbe990977c0231ebbc79fc9508Theodore Ts'o "[-qvSV] device [blocks-count]\n", 1003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o program_name); 1013839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 1023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic int log2(int arg) 1053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 1063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int l = 0; 1073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1083839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o arg >>= 1; 1093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o while (arg) { 1103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o l++; 1113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o arg >>= 1; 1123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return l; 1143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1161dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'ostatic int log10(unsigned int arg) 1171dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o{ 1181dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o int l; 1191dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o 1201dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o for (l=0; arg ; l++) 1211dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o arg = arg / 10; 1221dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o return l; 1231dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o} 1241dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o 125a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'ostatic void proceed_question(NOARGS) 126a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o{ 127a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o fflush(stdout); 128a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o fflush(stderr); 129a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o printf("Proceed anyway? (y,n) "); 130a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o if (getchar() != 'y') 131a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o exit(1); 132a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o} 133a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o 13493ab9d784e8945b256f4e9c76af9644f1cd7ba0eTheodore Ts'o#ifndef SCSI_BLK_MAJOR 13593ab9d784e8945b256f4e9c76af9644f1cd7ba0eTheodore Ts'o#define SCSI_BLK_MAJOR(M) ((M) == SCSI_DISK_MAJOR || (M) == SCSI_CDROM_MAJOR) 13693ab9d784e8945b256f4e9c76af9644f1cd7ba0eTheodore Ts'o#endif 13793ab9d784e8945b256f4e9c76af9644f1cd7ba0eTheodore Ts'o 13874becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'ostatic void check_plausibility(NOARGS) 13974becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o{ 14074becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#ifdef HAVE_LINUX_MAJOR_H 14174becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o int val; 14274becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o struct stat s; 14374becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o 14474becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o val = stat(device_name, &s); 14574becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o 14674becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o if(val == -1) { 147a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o fprintf(stderr, "Could not stat %s --- %s\n", 148a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o device_name, error_message(errno)); 14919c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (errno == ENOENT) 150a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o fprintf(stderr, "\nThe device apparently does " 151a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o "not exist; did you specify it correctly?\n"); 15274becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o exit(1); 15374becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o } 15474becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o if(!S_ISBLK(s.st_mode)) { 15574becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o printf("%s is not a block special device.\n", device_name); 156a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o proceed_question(); 15774becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o return; 158a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o } else if ((MAJOR(s.st_rdev) == HD_MAJOR && 159a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o MINOR(s.st_rdev)%64 == 0) || 1601dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o (SCSI_BLK_MAJOR(MAJOR(s.st_rdev)) && 1611dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o MINOR(s.st_rdev)%16 == 0)) { 16274becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o printf("%s is entire device, not just one partition!\n", 16374becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o device_name); 164a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o proceed_question(); 16574becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o } 16674becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o#endif 16774becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o} 16874becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o 1693839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void check_mount(NOARGS) 1703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 171a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o errcode_t retval; 172a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o int mount_flags; 1733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 174a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o retval = ext2fs_check_if_mounted(device_name, &mount_flags); 175a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o if (retval) { 176a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o com_err("ext2fs_check_if_mount", retval, 177a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o "while determining whether %s is mounted.", 178a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o device_name); 1793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 180a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o } 181a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o if (!(mount_flags & EXT2_MF_MOUNTED)) 1823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 183ca3c32851031bf51bacf59e5d7ac581b1c8347feTheodore Ts'o 184ca3c32851031bf51bacf59e5d7ac581b1c8347feTheodore Ts'o fprintf(stderr, "%s is mounted; ", device_name); 185ca3c32851031bf51bacf59e5d7ac581b1c8347feTheodore Ts'o if (force) { 186ca3c32851031bf51bacf59e5d7ac581b1c8347feTheodore Ts'o fprintf(stderr, "mke2fs forced anyway. " 187ca3c32851031bf51bacf59e5d7ac581b1c8347feTheodore Ts'o "Hope /etc/mtab is incorrect.\n"); 188ca3c32851031bf51bacf59e5d7ac581b1c8347feTheodore Ts'o } else { 189ca3c32851031bf51bacf59e5d7ac581b1c8347feTheodore Ts'o fprintf(stderr, "will not make a filesystem here!\n"); 190ca3c32851031bf51bacf59e5d7ac581b1c8347feTheodore Ts'o exit(1); 191ca3c32851031bf51bacf59e5d7ac581b1c8347feTheodore Ts'o } 1923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 19550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o * This function sets the default parameters for a filesystem 19650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o * 1972740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o * The type is specified by the user. The size is the maximum size 1982740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o * (in megabytes) for which a set of parameters applies, with a size 1992740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o * of zero meaning that it is the default parameter for the type. 2002740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o * Note that order is important in the table below. 20150787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o */ 20250787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'ostatic char default_str[] = "default"; 20350787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'ostruct mke2fs_defaults { 20450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o char *type; 20550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o int size; 20650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o int blocksize; 20750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o int inode_ratio; 20850787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o} settings[] = { 20950787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o { default_str, 0, 4096, 8192 }, 21050787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o { default_str, 512, 1024, 4096 }, 21150787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o { default_str, 3, 1024, 8192 }, 21250787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o { "news", 0, 4096, 4096 }, 21350787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o { 0, 0, 0, 0}, 21450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o}; 21550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o 21650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'ostatic void set_fs_defaults(char *fs_type, struct ext2fs_sb *param, 21750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o int blocksize, int *inode_ratio) 21850787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o{ 21950787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o int megs; 22050787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o int ratio = 0; 22150787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o struct mke2fs_defaults *p; 22250787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o 22350787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o megs = (param->s_blocks_count * (EXT2_BLOCK_SIZE(param) / 1024) / 22450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o 1024); 22550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if (inode_ratio) 22650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o ratio = *inode_ratio; 22750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if (!fs_type) 22850787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o fs_type = default_str; 22950787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o for (p = settings; p->type; p++) { 23050787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if ((strcmp(p->type, fs_type) != 0) && 23150787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o (strcmp(p->type, default_str) != 0)) 23250787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o continue; 23350787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if ((p->size != 0) && 23450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o (megs > p->size)) 23550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o continue; 23650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if (ratio == 0) 23750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o *inode_ratio = p->inode_ratio; 23850787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if (blocksize == 0) { 23950787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o param->s_log_frag_size = param->s_log_block_size = 24050787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o log2(p->blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 24150787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o } 24250787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o } 24350787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if (blocksize == 0) 24450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o param->s_blocks_count /= EXT2_BLOCK_SIZE(param) / 1024; 24550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o} 24650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o 24750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o/* 2483839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Helper function for read_bb_file and test_disk 2493839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 2503839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void invalid_block(ext2_filsys fs, blk_t blk) 2513839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 252a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("Bad block %u out of range; ignored.\n", blk); 2533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 2543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 2553839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 2563839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 2573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Reads the bad blocks list from a file 2583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 2593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 2603839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o const char *bad_blocks_file) 2613839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 2623839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o FILE *f; 2633839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 2643839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 2653839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o f = fopen(bad_blocks_file, "r"); 2663839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!f) { 2673839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("read_bad_blocks_file", errno, 2683839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while trying to open %s", bad_blocks_file); 2693839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 2703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 2713839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 2723839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fclose (f); 2733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 2743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_read_bb_FILE", retval, 2753839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while reading in list of bad blocks from file"); 2763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 2773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 2783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 2793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 2803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 2813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Runs the badblocks program to test the disk 2823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 2833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void test_disk(ext2_filsys fs, badblocks_list *bb_list) 2843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 2853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o FILE *f; 2863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 2873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o char buf[1024]; 2883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 289f635d7f65bd002984ce9a202d491d4f187b996b2Theodore Ts'o sprintf(buf, "badblocks -b %d %s%s %d", fs->blocksize, 290f635d7f65bd002984ce9a202d491d4f187b996b2Theodore Ts'o quiet ? "" : "-s ", fs->device_name, 2913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->super->s_blocks_count); 2923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (verbose) 2933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Running command: %s\n", buf); 2943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o f = popen(buf, "r"); 2953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!f) { 2963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("popen", errno, 2973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while trying run '%s'", buf); 2983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 2993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 3003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 301f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o pclose(f); 3023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 3033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_read_bb_FILE", retval, 3043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while processing list of bad blocks from program"); 3053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 3063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 3073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 3083839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 3103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 311f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o int i, j; 3123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int must_be_good; 3133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o blk_t blk; 3143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o badblocks_iterate bb_iter; 3153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 316f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o blk_t group_block; 317f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o int group; 318f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o int group_bad; 3193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3203839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!bb_list) 3213839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 3223839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3233839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 3243839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * The primary superblock and group descriptors *must* be 3253839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * good; if not, abort. 3263839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 3273839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 3283839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 3293839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (badblocks_list_test(bb_list, i)) { 3303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fprintf(stderr, "Block %d in primary superblock/group " 3313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "descriptor area bad.\n", i); 332a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o fprintf(stderr, "Blocks %d through %d must be good " 3333839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "in order to build a filesystem.\n", 3343839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->super->s_first_data_block, must_be_good); 3353839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fprintf(stderr, "Aborting....\n"); 3363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 3373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 3383839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 339f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 340f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o /* 341f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o * See if any of the bad blocks are showing up in the backup 342f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o * superblocks and/or group descriptors. If so, issue a 343f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o * warning and adjust the block counts appropriately. 344f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o */ 345f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group_block = fs->super->s_first_data_block + 346f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->super->s_blocks_per_group; 347f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 348f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o for (i = 1; i < fs->group_desc_count; i++) { 34992bcc595dcb31ad15e12d8c72e6edfc70545c204Theodore Ts'o group_bad = 0; 350f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o for (j=0; j < fs->desc_blocks+1; j++) { 351f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (badblocks_list_test(bb_list, group_block + 352f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o j)) { 353f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (!group_bad) 354f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fprintf(stderr, 355a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o"Warning: the backup superblock/group descriptors at block %d contain\n" 356f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o" bad blocks.\n\n", 357f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group_block); 358f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group_bad++; 359f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group = ext2fs_group_of_blk(fs, group_block+j); 360f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->group_desc[group].bg_free_blocks_count++; 361f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->super->s_free_blocks_count++; 362f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 363f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 364f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o group_block += fs->super->s_blocks_per_group; 365f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 3663839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3673839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 3683839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Mark all the bad blocks as used... 3693839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 3703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = badblocks_list_iterate_begin(bb_list, &bb_iter); 3713839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 3723839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("badblocks_list_iterate_begin", retval, 3733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while marking bad blocks as used"); 3743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 3753839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 3763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o while (badblocks_list_iterate(bb_iter, &blk)) 377f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o ext2fs_mark_block_bitmap(fs->block_map, blk); 3783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o badblocks_list_iterate_end(bb_iter); 3793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 3803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 38119c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'ostatic void write_inode_tables(ext2_filsys fs) 3823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 3833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 3843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o blk_t blk; 38519c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o int i, j, num, count; 38619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o char *buf; 3871dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o char format[20], backup[80]; 3887d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o int sync_kludge = 0; 3897d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o char *mke2fs_sync; 3907d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o 3917d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o mke2fs_sync = getenv("MKE2FS_SYNC"); 3927d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o if (mke2fs_sync) 3937d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o sync_kludge = atoi(mke2fs_sync); 3943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o buf = malloc(fs->blocksize * STRIDE_LENGTH); 3963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!buf) { 3973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("malloc", ENOMEM, "while allocating zeroizing buffer"); 3983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 3993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 4003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o memset(buf, 0, fs->blocksize * STRIDE_LENGTH); 4011dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o 4021dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o /* 4031dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o * Figure out how many digits we need 4041dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o */ 4051dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o i = log10(fs->group_desc_count); 4061dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o sprintf(format, "%%%dd/%%%dld", i, i); 4071dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o memset(backup, '\b', sizeof(backup)-1); 4081dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o backup[sizeof(backup)-1] = 0; 4091dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o if ((2*i)+1 < sizeof(backup)) 4101dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o backup[(2*i)+1] = 0; 4111dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o 4123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 4133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Writing inode tables: "); 4143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (i = 0; i < fs->group_desc_count; i++) { 4153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 4161dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o printf(format, i, fs->group_desc_count); 4173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 41819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o blk = fs->group_desc[i].bg_inode_table; 41919c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o num = fs->inode_blocks_per_group; 42019c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o 42119c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) { 42219c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (num-j > STRIDE_LENGTH) 42319c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o count = STRIDE_LENGTH; 42419c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o else 42519c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o count = num - j; 42619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o retval = io_channel_write_blk(fs->io, blk, count, buf); 42719c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (retval) 42819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o printf("Warning: could not write %d blocks " 42919c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o "in inode table starting at %d: %s\n", 43019c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o count, blk, error_message(retval)); 43119c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o } 4323839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 4331dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o fputs(backup, stdout); 4347d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o if (sync_kludge) { 4357d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o if (sync_kludge == 1) 4367d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o sync(); 4377d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o else if ((i % sync_kludge) == 0) 4387d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o sync(); 4397d5633cf6ee1be74777cf4b1adfa9738ff33f2b7Theodore Ts'o } 4403839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 44119c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o free(buf); 4423839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 4431dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o fputs("done \n", stdout); 4443839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 4453839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void create_root_dir(ext2_filsys fs) 4473839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 4483839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 449f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o struct ext2_inode inode; 4503839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4513839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 4523839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 4533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_mkdir", retval, "while creating root dir"); 4543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 4553839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 456f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (geteuid()) { 457f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 458f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (retval) { 459f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err("ext2fs_read_inode", retval, 460f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "while reading root inode"); 461f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o exit(1); 462f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 46319c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o inode.i_uid = getuid(); 46419c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (inode.i_uid) 46519c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o inode.i_gid = getgid(); 466f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o retval = ext2fs_write_inode(fs, EXT2_ROOT_INO, &inode); 467f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (retval) { 468f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err("ext2fs_write_inode", retval, 469f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "while setting root inode ownership"); 470f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o exit(1); 471f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 472f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 4733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 4743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4753839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void create_lost_and_found(ext2_filsys fs) 4763839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 4773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 4783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o ino_t ino; 4793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o const char *name = "lost+found"; 4803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int i; 48150787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o int lpf_size = 0; 4823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 4843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 4853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_mkdir", retval, "while creating /lost+found"); 4863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 4873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 4883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 4903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 4913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2_lookup", retval, "while looking up /lost+found"); 4923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 4933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 4943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 4953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 49650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if ((lpf_size += fs->blocksize) >= 16*1024) 49750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o break; 4983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_expand_dir(fs, ino); 4993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 5003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_expand_dir", retval, 5013839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while expanding /lost+found"); 5023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 5033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 5043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 5053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 5063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 5073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 5083839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 5093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval; 5103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 511f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO); 5123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->group_desc[0].bg_free_inodes_count--; 5133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->super->s_free_inodes_count--; 5143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_update_bb_inode(fs, bb_list); 5153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 5163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err("ext2fs_update_bb_inode", retval, 5173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "while setting bad block inode"); 5183839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 5193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 5203839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 5213839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 5223839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 5233839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void reserve_inodes(ext2_filsys fs) 5243839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 5253839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o ino_t i; 5263839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int group; 5273839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 5287f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) { 529f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o ext2fs_mark_inode_bitmap(fs->inode_map, i); 5303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o group = ext2fs_group_of_ino(fs, i); 5313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->group_desc[group].bg_free_inodes_count--; 5323839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fs->super->s_free_inodes_count--; 5333839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 5343839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o ext2fs_mark_ib_dirty(fs); 5353839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 5363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 5371e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#ifdef ZAP_BOOTBLOCK 538f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'ostatic void zap_bootblock(ext2_filsys fs) 539f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o{ 540f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o char buf[512]; 541f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o int retval; 542f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 543f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o memset(buf, 0, 512); 544f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 545f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o retval = io_channel_write_blk(fs->io, 0, -512, buf); 546f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (retval) 547f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o printf("Warning: could not erase block 0: %s\n", 548f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o error_message(retval)); 549f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o} 5501e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#endif 551f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 552f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o 5533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void show_stats(ext2_filsys fs) 5543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 5551e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o struct ext2fs_sb *s = (struct ext2fs_sb *) fs->super; 5561e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o char buf[80]; 5573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o blk_t group_block; 5581dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o int i, need, col_left; 5593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 5603839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (param.s_blocks_count != s->s_blocks_count) 561a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("warning: %d blocks unused.\n\n", 5623839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_blocks_count - s->s_blocks_count); 56350787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o 56450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o memset(buf, 0, sizeof(buf)); 56550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 56650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o printf("Filesystem label=%s\n", buf); 56750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o printf("OS type: "); 5681e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o switch (fs->super->s_creator_os) { 5691e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case EXT2_OS_LINUX: printf ("Linux"); break; 570ad6783df0c9d06e5c298167de34aec8e6e25e6c2Theodore Ts'o case EXT2_OS_HURD: printf ("GNU/Hurd"); break; 5711e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case EXT2_OS_MASIX: printf ("Masix"); break; 5721e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o default: printf ("(unknown os)"); 5731e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 57450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o printf("\n"); 57550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o printf("Block size=%u (log=%u)\n", fs->blocksize, 57650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o s->s_log_block_size); 57750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o printf("Fragment size=%u (log=%u)\n", fs->fragsize, 57850787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o s->s_log_frag_size); 579a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u inodes, %u blocks\n", s->s_inodes_count, 5803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o s->s_blocks_count); 581a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u blocks (%2.2f%%) reserved for the super user\n", 5823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o s->s_r_blocks_count, 5833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 100.0 * s->s_r_blocks_count / s->s_blocks_count); 584a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("First data block=%u\n", s->s_first_data_block); 5853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("%lu block group%s\n", fs->group_desc_count, 5863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o (fs->group_desc_count > 1) ? "s" : ""); 587a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u blocks per group, %u fragments per group\n", 5883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o s->s_blocks_per_group, s->s_frags_per_group); 589a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u inodes per group\n", s->s_inodes_per_group); 5903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 5913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (fs->group_desc_count == 1) { 5923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("\n"); 5933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return; 5943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 5953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 5963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Superblock backups stored on blocks: "); 5973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o group_block = s->s_first_data_block; 5983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o col_left = 0; 5993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o for (i = 1; i < fs->group_desc_count; i++) { 6003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o group_block += s->s_blocks_per_group; 601521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o if (!ext2fs_bg_has_super(fs, i)) 602521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o continue; 6037671433a9daad089af037f84b365d640e1adf252Theodore Ts'o if (i != 1) 6047671433a9daad089af037f84b365d640e1adf252Theodore Ts'o printf(", "); 6051dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o need = log10(group_block) + 2; 6061dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o if (need > col_left) { 6073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("\n\t"); 6081dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o col_left = 72; 6093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 6101dde43f0c1176f61dd0bf91aff265ce8cd1c5fd6Theodore Ts'o col_left -= need; 611a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o printf("%u", group_block); 6123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 6133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("\n\n"); 6143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 6153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 6161e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#ifndef HAVE_STRCASECMP 6171e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ostatic int strcasecmp (char *s1, char *s2) 6181e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 6191e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o while (*s1 && *s2) { 6201e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o int ch1 = *s1++, ch2 = *s2++; 6211e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (isupper (ch1)) 6221e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o ch1 = tolower (ch1); 6231e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (isupper (ch2)) 6241e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o ch2 = tolower (ch2); 6251e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (ch1 != ch2) 6261e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return ch1 - ch2; 6271e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 6281e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return *s1 ? 1 : *s2 ? -1 : 0; 6291e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 6301e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#endif 6311e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 6321e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o/* 6331e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Set the S_CREATOR_OS field. Return true if OS is known, 6341e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * otherwise, 0. 6351e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 6361e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ostatic int set_os(struct ext2_super_block *sb, char *os) 6371e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 6381e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (isdigit (*os)) 6391e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sb->s_creator_os = atoi (os); 6401e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o else if (strcasecmp(os, "linux") == 0) 6411e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sb->s_creator_os = EXT2_OS_LINUX; 6421e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 6431e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sb->s_creator_os = EXT2_OS_HURD; 6441e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o else if (strcasecmp(os, "masix") == 0) 6451e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sb->s_creator_os = EXT2_OS_MASIX; 6461e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o else 6471e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return 0; 6481e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return 1; 6491e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 6501e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 651a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o#define PATH_SET "PATH=/sbin" 652a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o 653d163b0948731e6d84bd3efe75075a2d0a8009272Theodore Ts'ostatic void parse_raid_opts(const char *opts) 654a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o{ 655a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o char *buf, *token, *next, *p, *arg; 656a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o int len; 657a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o int raid_usage = 0; 658a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 659a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o len = strlen(opts); 660a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o buf = malloc(len+1); 661a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (!buf) { 662a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fprintf(stderr, "Couldn't allocate memory to parse " 663a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "raid options!\n"); 664a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o exit(1); 665a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 666a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o strcpy(buf, opts); 667a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o for (token = buf; token && *token; token = next) { 668a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o p = strchr(token, ','); 669a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o next = 0; 670a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (p) { 671a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o *p = 0; 672a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o next = p+1; 673a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 674a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o arg = strchr(token, '='); 675a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (arg) { 676a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o *arg = 0; 677a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o arg++; 678a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 679a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (strcmp(token, "stride") == 0) { 680a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (!arg) { 681a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o raid_usage++; 682a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o continue; 683a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 684a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fs_stride = strtoul(arg, &p, 0); 685a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (*p || (fs_stride == 0)) { 686a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fprintf(stderr, "Invalid stride parameter.\n"); 687a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o raid_usage++; 688a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o continue; 689a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 690a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } else 691a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o raid_usage++; 692a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 693a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (raid_usage) { 694a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fprintf(stderr, "\nBad raid options specified.\n\n" 695a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "Raid options are separated by commas, " 696a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "and may take an argument which\n" 697a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "\tis set off by an equals ('=') sign.\n\n" 698a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "Valid raid options are:\n" 699a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o "\tstride=<stride length in blocks>\n\n"); 700a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o exit(1); 701a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o } 702a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o} 703a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 704896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'ostatic __u32 ok_features[3] = { 705896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o 0, /* Compat */ 706896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o EXT2_FEATURE_INCOMPAT_FILETYPE, /* Incompat */ 707896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */ 708896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o}; 709a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 710a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 7113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ostatic void PRS(int argc, char *argv[]) 7123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 713519149fb458b0fa69c10fecd83fae42e838cf01dTheodore Ts'o int c; 7143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int size; 7153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o char * tmp; 716521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o blk_t max = 8192; 71750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o int blocksize = 0; 71850787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o int inode_ratio = 0; 7193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o int reserved_ratio = 5; 7205515e6b47de9ff941164a546dd9a74e9c6da3367Theodore Ts'o ino_t num_inodes = 0; 721a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o errcode_t retval; 722896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o int sparse_option = 0; 723a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o char *oldpath = getenv("PATH"); 724521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o struct ext2fs_sb *param_ext2 = (struct ext2fs_sb *) ¶m; 725a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o char *raid_opts = 0; 72650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o char *fs_type = 0; 727896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o char *feature_set = "filetype,sparse_super"; 728a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o blk_t dev_size; 7292740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o#ifdef linux 7302740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o struct utsname ut; 7312740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o 7322740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o if (uname(&ut)) { 7332740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o perror("uname"); 7342740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o exit(1); 7352740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o } 736896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o if ((ut.release[0] == '1') || 737896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o (ut.release[0] == '2' && ut.release[1] == '.' && 738896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o ut.release[2] < '2' && ut.release[3] == '.')) 739896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o feature_set = 0; 7402740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o#endif 7413839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* Update our PATH to include /sbin */ 742a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o if (oldpath) { 743a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o char *newpath; 744a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o 745a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o newpath = malloc(sizeof (PATH_SET) + 1 + strlen (oldpath)); 746a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o strcpy (newpath, PATH_SET); 747a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o strcat (newpath, ":"); 748a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o strcat (newpath, oldpath); 749a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o putenv (newpath); 750a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o } else 751a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o putenv (PATH_SET); 7523839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 7533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o setbuf(stdout, NULL); 7543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o setbuf(stderr, NULL); 7553839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o initialize_ext2_error_table(); 7563839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o memset(¶m, 0, sizeof(struct ext2_super_block)); 75750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o param.s_rev_level = 1; /* Create revision 1 filesystems now */ 7583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 7593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o fprintf (stderr, "mke2fs %s, %s for EXT2 FS %s, %s\n", 7603839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o E2FSPROGS_VERSION, E2FSPROGS_DATE, 7613839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o EXT2FS_VERSION, EXT2FS_DATE); 7623839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (argc && *argv) 7633839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o program_name = *argv; 7641e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o while ((c = getopt (argc, argv, 765896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o "b:cf:g:i:l:m:no:qr:R:s:tvI:ST:FL:M:N:O:V")) != EOF) 7663839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o switch (c) { 7673839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'b': 76850787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o blocksize = strtoul(optarg, &tmp, 0); 76950787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if (blocksize < 1024 || blocksize > 4096 || *tmp) { 7703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, "bad block size - %s", 7713839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optarg); 7723839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 7733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 7743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_log_block_size = 77550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 77650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o max = blocksize * 8; 7773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 7783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'c': 7793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 't': /* Check for bad blocks */ 7803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o cflag = 1; 7813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 7823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'f': 7833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o size = strtoul(optarg, &tmp, 0); 7843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (size < 1024 || size > 4096 || *tmp) { 7853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, "bad fragment size - %s", 7863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optarg); 7873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 7883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 7893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_log_frag_size = 7903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); 7913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Warning: fragments not supported. " 7923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "Ignoring -f option\n"); 7933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 7943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'g': 7953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 796f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (*tmp) { 797f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err(program_name, 0, 798f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "Illegal number for blocks per group"); 799f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o exit(1); 800f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 801f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if ((param.s_blocks_per_group % 8) != 0) { 802f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err(program_name, 0, 803f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "blocks per group must be multiple of 8"); 8043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 8053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 8063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 8073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'i': 8083839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o inode_ratio = strtoul(optarg, &tmp, 0); 8093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (inode_ratio < 1024 || inode_ratio > 256 * 1024 || 8103839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o *tmp) { 8113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, "bad inode ratio - %s", 8123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optarg); 8133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 8143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 8153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 8163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'l': 817f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o bad_blocks_filename = malloc(strlen(optarg)+1); 818f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (!bad_blocks_filename) { 819f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o com_err(program_name, ENOMEM, 820f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o "in malloc for bad_blocks_filename"); 821f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o exit(1); 822f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 823f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o strcpy(bad_blocks_filename, optarg); 8243839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 8253839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'm': 8263839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o reserved_ratio = strtoul(optarg, &tmp, 0); 8273839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (reserved_ratio > 50 || *tmp) { 8283839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, 8293839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "bad reserved blocks percent - %s", 8303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optarg); 8313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 8323839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 8333839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 83450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o case 'n': 83550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o noaction++; 83650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o break; 8371e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case 'o': 8381e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o creator_os = optarg; 8391e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o break; 8407f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o case 'r': 8417f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o param.s_rev_level = atoi(optarg); 8427f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o break; 843521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o case 's': 844521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o sparse_option = atoi(optarg); 845521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o break; 8467f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o#ifdef EXT2_DYNAMIC_REV 8477f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o case 'I': 8487f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o param.s_inode_size = atoi(optarg); 8497f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o break; 8507f88b04341d88c5df0360d930832c38040303b61Theodore Ts'o#endif 8515515e6b47de9ff941164a546dd9a74e9c6da3367Theodore Ts'o case 'N': 8525515e6b47de9ff941164a546dd9a74e9c6da3367Theodore Ts'o num_inodes = atoi(optarg); 8535515e6b47de9ff941164a546dd9a74e9c6da3367Theodore Ts'o break; 8543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'v': 8553839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o verbose = 1; 8563839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 8573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o case 'q': 8583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o quiet = 1; 8593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o break; 86074becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o case 'F': 86174becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o force = 1; 86274becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o break; 8631e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case 'L': 8641e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o volume_label = optarg; 8651e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o break; 8661e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o case 'M': 8671e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o mount_dir = optarg; 8681e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o break; 869896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o case 'O': 870896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o feature_set = optarg; 871896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o break; 872a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o case 'R': 873a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o raid_opts = optarg; 874a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o break; 875f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o case 'S': 876f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o super_only = 1; 877f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o break; 87850787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o case 'T': 87950787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o fs_type = optarg; 88050787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o break; 881818180cdfcff84b9048ecdc5dc86323f0fefba24Theodore Ts'o case 'V': 882818180cdfcff84b9048ecdc5dc86323f0fefba24Theodore Ts'o /* Print version number and exit */ 883818180cdfcff84b9048ecdc5dc86323f0fefba24Theodore Ts'o fprintf(stderr, "\tUsing %s\n", 884818180cdfcff84b9048ecdc5dc86323f0fefba24Theodore Ts'o error_message(EXT2_ET_BASE)); 885818180cdfcff84b9048ecdc5dc86323f0fefba24Theodore Ts'o exit(0); 8863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o default: 8873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o usage(); 8883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 8893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (optind == argc) 8903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o usage(); 8913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o device_name = argv[optind]; 8923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o optind++; 8933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (optind < argc) { 8943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_blocks_count = strtoul(argv[optind++], &tmp, 0); 8953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (*tmp) { 8963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(program_name, 0, "bad blocks count - %s", 8973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o argv[optind - 1]); 8983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 8993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 9003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 9013839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (optind < argc) 9023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o usage(); 903a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o 904a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o if (raid_opts) 905a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o parse_raid_opts(raid_opts); 906a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o 90774becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o if (!force) 90874becf3c0a065f8d64e07ce4d31f9fe53be91d62Theodore Ts'o check_plausibility(); 909a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o check_mount(); 910a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o 9113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_log_frag_size = param.s_log_block_size; 9123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 91350787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if (noaction && param.s_blocks_count) { 91450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o dev_size = param.s_blocks_count; 91550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o retval = 0; 91650787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o } else 91750787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o retval = ext2fs_get_device_size(device_name, 91850787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o EXT2_BLOCK_SIZE(¶m), 91950787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o &dev_size); 920a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { 921a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o com_err(program_name, retval, 922a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o "while trying to determine filesystem size"); 923a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o exit(1); 924a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o } 925a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o if (!param.s_blocks_count) { 926a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o if (retval == EXT2_ET_UNIMPLEMENTED) { 927a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o com_err(program_name, 0, 928a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o "Couldn't determine device size; you " 929a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o "must specify\nthe size of the " 930a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o "filesystem\n"); 931a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o exit(1); 932a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o } else 933a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o param.s_blocks_count = dev_size; 934a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o } else if (!force && (param.s_blocks_count > dev_size)) { 935a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o com_err(program_name, 0, 936a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o "Filesystem larger than apparent filesystem size."); 937a789d8406070224503c9ab78040acc7ea80c65aeTheodore Ts'o proceed_question(); 938a418d3ad819323f871005d253f7f9ac378e78ba5Theodore Ts'o } 9393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 94050787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o set_fs_defaults(fs_type, param_ext2, blocksize, &inode_ratio); 94150787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o 942521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o if (param.s_blocks_per_group) { 943521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o if (param.s_blocks_per_group < 256 || 944521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o param.s_blocks_per_group > max || *tmp) { 945521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o com_err(program_name, 0, 946521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o "blocks per group count out of range"); 947521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o exit(1); 948521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o } 949521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o } 950521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o 9513839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 9523839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Calculate number of inodes based on the inode ratio 9533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 9545515e6b47de9ff941164a546dd9a74e9c6da3367Theodore Ts'o param.s_inodes_count = num_inodes ? num_inodes : 955f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o ((long long) param.s_blocks_count * EXT2_BLOCK_SIZE(¶m)) 956f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o / inode_ratio; 9573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 9583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 9593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Calculate number of blocks to reserve 9603839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 9613839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100; 962521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o 963521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o#ifdef EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 9642740156bd12747389eaf745529653b26a3a9d73dTheodore Ts'o if (sparse_option) 965521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o param_ext2->s_feature_ro_compat |= 966521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 967521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o#endif 968896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o if (feature_set && !strncasecmp(feature_set, "none", 4)) 969896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o feature_set = 0; 970896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o if (feature_set && e2p_edit_feature(feature_set, 971896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o ¶m_ext2->s_feature_compat, 972896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o ok_features)) { 973896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o fprintf(stderr, "Invalid filesystem option set: %s\n", 974896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o feature_set); 975896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o exit(1); 976896938d57e7091e7a032674dfeeb91f2a17fd78bTheodore Ts'o } 9773839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 9783839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 9793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint main (int argc, char *argv[]) 9803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 9813839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o errcode_t retval = 0; 9823839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o ext2_filsys fs; 9833839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o badblocks_list bb_list = 0; 9841e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o struct ext2fs_sb *s; 9853839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 9863839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o PRS(argc, argv); 9873839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 9883839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 9893839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Initialize the superblock.... 9903839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 9913839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o retval = ext2fs_initialize(device_name, 0, ¶m, 9923839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o unix_io_manager, &fs); 9933839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 9943839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(device_name, retval, "while setting up superblock"); 9953839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o exit(1); 9963839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 9973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 9981e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o /* 9991e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Generate a UUID for it... 10001e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 10011e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o s = (struct ext2fs_sb *) fs->super; 10021e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o uuid_generate(s->s_uuid); 10031e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 10041e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o /* 10051e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Override the creator OS, if applicable 10061e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 10071e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (creator_os && !set_os(fs->super, creator_os)) { 10081e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o com_err (program_name, 0, "unknown os - %s", creator_os); 10091e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o exit(1); 10101e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 10111e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 10121e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o /* 10131e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Set the volume label... 10141e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 10151e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (volume_label) { 10161e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o memset(s->s_volume_name, 0, sizeof(s->s_volume_name)); 10171e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o strncpy(s->s_volume_name, volume_label, 10181e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sizeof(s->s_volume_name)); 10191e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 10201e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 10211e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o /* 10221e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Set the last mount directory 10231e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 10241e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (mount_dir) { 10251e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o memset(s->s_last_mounted, 0, sizeof(s->s_last_mounted)); 10261e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o strncpy(s->s_last_mounted, mount_dir, 10271e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o sizeof(s->s_last_mounted)); 10281e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 10291e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 103050787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if (!quiet || noaction) 10313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o show_stats(fs); 10323839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 103350787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o if (noaction) 103450787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o exit(0); 103550787ea22edd8b4662203daf3569411d9dcf4287Theodore Ts'o 10363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (bad_blocks_filename) 10373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o read_bb_file(fs, &bb_list, bad_blocks_filename); 10383839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (cflag) 10393839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o test_disk(fs, &bb_list); 10403839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 10413839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o handle_bad_blocks(fs, bb_list); 1042a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o fs->stride = fs_stride; 104319c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o retval = ext2fs_allocate_tables(fs); 104419c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o if (retval) { 104519c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o com_err(program_name, retval, 104619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o "while trying to allocate filesystem tables"); 104719c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o exit(1); 104819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o } 1049f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o if (super_only) { 1050f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->super->s_state |= EXT2_ERROR_FS; 1051f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 1052f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } else { 105319c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o write_inode_tables(fs); 1054f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o create_root_dir(fs); 1055f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o create_lost_and_found(fs); 1056f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o reserve_inodes(fs); 1057f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o create_bad_block_inode(fs, bb_list); 10581e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#ifdef ZAP_BOOTBLOCK 1059f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o zap_bootblock(fs); 10601e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#endif 1061f3db3566b5e1342e49dffc5ec3f418a838584194Theodore Ts'o } 10623839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 10633839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 10643839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("Writing superblocks and " 10653839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "filesystem accounting information: "); 10665d45d80375943be8917302a502f3f28d2df8d16dTheodore Ts'o retval = ext2fs_flush(fs); 10675d45d80375943be8917302a502f3f28d2df8d16dTheodore Ts'o if (retval) { 10685d45d80375943be8917302a502f3f28d2df8d16dTheodore Ts'o printf("\nWarning, had trouble writing out superblocks."); 10695d45d80375943be8917302a502f3f28d2df8d16dTheodore Ts'o } 10703839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (!quiet) 10713839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o printf("done\n"); 10725d45d80375943be8917302a502f3f28d2df8d16dTheodore Ts'o ext2fs_close(fs); 10733839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 0; 10743839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1075