1/* 2 * resize2fs.h --- ext2 resizer header file 3 * 4 * Copyright (C) 1997, 1998 by Theodore Ts'o and 5 * PowerQuest, Inc. 6 * 7 * Copyright (C) 1999, 2000 by Theosore Ts'o 8 * 9 * %Begin-Header% 10 * This file may be redistributed under the terms of the GNU Public 11 * License. 12 * %End-Header% 13 */ 14 15#include <stdio.h> 16#include <string.h> 17#ifdef HAVE_UNISTD_H 18#include <unistd.h> 19#endif 20#include <stdlib.h> 21#ifdef HAVE_SYS_TYPES_H 22#include <sys/types.h> 23#endif 24#ifdef HAVE_SYS_TIME_H 25#include <sys/time.h> 26#endif 27#if HAVE_ERRNO_H 28#include <errno.h> 29#endif 30 31#if EXT2_FLAT_INCLUDES 32#include "ext2_fs.h" 33#include "ext2fs.h" 34#include "e2p.h" 35#else 36#include "ext2fs/ext2_fs.h" 37#include "ext2fs/ext2fs.h" 38#include "e2p/e2p.h" 39#endif 40 41#ifdef ENABLE_NLS 42#include <libintl.h> 43#include <locale.h> 44#define _(a) (gettext (a)) 45#ifdef gettext_noop 46#define N_(a) gettext_noop (a) 47#else 48#define N_(a) (a) 49#endif 50#ifndef NLS_CAT_NAME 51#define NLS_CAT_NAME "e2fsprogs" 52#endif 53#ifndef LOCALEDIR 54#define LOCALEDIR "/usr/share/locale" 55#endif 56#else 57#define _(a) (a) 58#define N_(a) a 59#endif 60 61 62/* 63 * For the extent map 64 */ 65typedef struct _ext2_extent *ext2_extent; 66 67/* 68 * For the simple progress meter 69 */ 70typedef struct ext2_sim_progress *ext2_sim_progmeter; 71 72/* 73 * Flags for the resizer; most are debugging flags only 74 */ 75#define RESIZE_DEBUG_IO 0x0001 76#define RESIZE_DEBUG_BMOVE 0x0002 77#define RESIZE_DEBUG_INODEMAP 0x0004 78#define RESIZE_DEBUG_ITABLEMOVE 0x0008 79 80#define RESIZE_PERCENT_COMPLETE 0x0100 81#define RESIZE_VERBOSE 0x0200 82 83/* 84 * The core state structure for the ext2 resizer 85 */ 86typedef struct ext2_resize_struct *ext2_resize_t; 87 88struct ext2_resize_struct { 89 ext2_filsys old_fs; 90 ext2_filsys new_fs; 91 ext2fs_block_bitmap reserve_blocks; 92 ext2fs_block_bitmap move_blocks; 93 ext2_extent bmap; 94 ext2_extent imap; 95 int needed_blocks; 96 int flags; 97 char *itable_buf; 98 99 /* 100 * For the block allocator 101 */ 102 blk_t new_blk; 103 int alloc_state; 104 105 /* 106 * For the progress meter 107 */ 108 errcode_t (*progress)(ext2_resize_t rfs, int pass, 109 unsigned long cur, 110 unsigned long max); 111 void *prog_data; 112}; 113 114/* 115 * Progress pass numbers... 116 */ 117#define E2_RSZ_EXTEND_ITABLE_PASS 1 118#define E2_RSZ_BLOCK_RELOC_PASS 2 119#define E2_RSZ_INODE_SCAN_PASS 3 120#define E2_RSZ_INODE_REF_UPD_PASS 4 121#define E2_RSZ_MOVE_ITABLE_PASS 5 122 123 124/* prototypes */ 125extern errcode_t resize_fs(ext2_filsys fs, blk_t *new_size, int flags, 126 errcode_t (*progress)(ext2_resize_t rfs, 127 int pass, unsigned long cur, 128 unsigned long max)); 129 130extern errcode_t adjust_fs_info(ext2_filsys fs, ext2_filsys old_fs, 131 blk_t new_size); 132 133 134/* extent.c */ 135extern errcode_t ext2fs_create_extent_table(ext2_extent *ret_extent, 136 int size); 137extern void ext2fs_free_extent_table(ext2_extent extent); 138extern errcode_t ext2fs_add_extent_entry(ext2_extent extent, 139 __u32 old_loc, __u32 new_loc); 140extern __u32 ext2fs_extent_translate(ext2_extent extent, __u32 old_loc); 141extern void ext2fs_extent_dump(ext2_extent extent, FILE *out); 142extern errcode_t ext2fs_iterate_extent(ext2_extent extent, __u32 *old_loc, 143 __u32 *new_loc, int *size); 144 145/* online.c */ 146extern errcode_t online_resize_fs(ext2_filsys fs, const char *mtpt, 147 blk_t *new_size, int flags); 148 149/* sim_progress.c */ 150extern errcode_t ext2fs_progress_init(ext2_sim_progmeter *ret_prog, 151 const char *label, 152 int labelwidth, int barwidth, 153 __u32 maxdone, int flags); 154extern void ext2fs_progress_update(ext2_sim_progmeter prog, 155 __u32 current); 156extern void ext2fs_progress_close(ext2_sim_progmeter prog); 157 158 159