Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * ext2fs.h --- ext2fs |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 3 | * |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 4 | * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. |
| 5 | * |
| 6 | * %Begin-Header% |
Theodore Ts'o | 543547a | 2010-05-17 21:31:56 -0400 | [diff] [blame] | 7 | * This file may be redistributed under the terms of the GNU Library |
| 8 | * General Public License, version 2. |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 9 | * %End-Header% |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 10 | */ |
| 11 | |
Theodore Ts'o | 9abd2ce | 1998-02-16 22:00:37 +0000 | [diff] [blame] | 12 | #ifndef _EXT2FS_EXT2FS_H |
| 13 | #define _EXT2FS_EXT2FS_H |
| 14 | |
Theodore Ts'o | 5443492 | 2003-12-07 01:28:50 -0500 | [diff] [blame] | 15 | #ifdef __GNUC__ |
| 16 | #define EXT2FS_ATTR(x) __attribute__(x) |
| 17 | #else |
| 18 | #define EXT2FS_ATTR(x) |
| 19 | #endif |
| 20 | |
Theodore Ts'o | fa7ef71 | 2000-05-19 02:11:41 +0000 | [diff] [blame] | 21 | #ifdef __cplusplus |
| 22 | extern "C" { |
| 23 | #endif |
| 24 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 25 | /* |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 26 | * Non-GNU C compilers won't necessarily understand inline |
| 27 | */ |
Theodore Ts'o | 76f875d | 1998-04-27 01:41:13 +0000 | [diff] [blame] | 28 | #if (!defined(__GNUC__) && !defined(__WATCOMC__)) |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 29 | #define NO_INLINE_FUNCS |
| 30 | #endif |
| 31 | |
| 32 | /* |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 33 | * Where the master copy of the superblock is located, and how big |
| 34 | * superblocks are supposed to be. We define SUPERBLOCK_SIZE because |
| 35 | * the size of the superblock structure is not necessarily trustworthy |
| 36 | * (some versions have the padding set up so that the superblock is |
| 37 | * 1032 bytes long). |
| 38 | */ |
| 39 | #define SUPERBLOCK_OFFSET 1024 |
Andreas Dilger | 1ac2aa2 | 2011-06-11 11:04:42 -0400 | [diff] [blame] | 40 | #define SUPERBLOCK_SIZE 1024 |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 41 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 42 | /* |
| 43 | * The last ext2fs revision level that this version of the library is |
| 44 | * able to support. |
| 45 | */ |
Theodore Ts'o | e5b38a5 | 2001-01-01 16:17:12 +0000 | [diff] [blame] | 46 | #define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 47 | |
Theodore Ts'o | d40259f | 1997-10-20 00:44:26 +0000 | [diff] [blame] | 48 | #ifdef HAVE_SYS_TYPES_H |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 49 | #include <sys/types.h> |
Theodore Ts'o | d40259f | 1997-10-20 00:44:26 +0000 | [diff] [blame] | 50 | #endif |
| 51 | |
Theodore Ts'o | 3e69906 | 2002-10-13 23:56:28 -0400 | [diff] [blame] | 52 | #include <stdio.h> |
Theodore Ts'o | 5be8dc2 | 1997-12-01 18:24:10 +0000 | [diff] [blame] | 53 | #include <stdlib.h> |
Theodore Ts'o | a82a570 | 2005-11-14 14:49:15 -0500 | [diff] [blame] | 54 | #include <string.h> |
Theodore Ts'o | 023a1df | 2010-09-23 12:56:46 -0400 | [diff] [blame] | 55 | #include <errno.h> |
Andreas Dilger | 1ac2aa2 | 2011-06-11 11:04:42 -0400 | [diff] [blame] | 56 | |
Theodore Ts'o | 5953b9d | 1998-02-01 13:23:02 +0000 | [diff] [blame] | 57 | #if EXT2_FLAT_INCLUDES |
| 58 | #include "e2_types.h" |
Theodore Ts'o | 3e69906 | 2002-10-13 23:56:28 -0400 | [diff] [blame] | 59 | #include "ext2_fs.h" |
Theodore Ts'o | 89dd657 | 2006-11-12 22:54:35 -0500 | [diff] [blame] | 60 | #include "ext3_extents.h" |
Theodore Ts'o | 5953b9d | 1998-02-01 13:23:02 +0000 | [diff] [blame] | 61 | #else |
Theodore Ts'o | 797f5ef | 2001-06-01 23:49:46 +0000 | [diff] [blame] | 62 | #include <ext2fs/ext2_types.h> |
Theodore Ts'o | 3e69906 | 2002-10-13 23:56:28 -0400 | [diff] [blame] | 63 | #include <ext2fs/ext2_fs.h> |
Theodore Ts'o | 89dd657 | 2006-11-12 22:54:35 -0500 | [diff] [blame] | 64 | #include <ext2fs/ext3_extents.h> |
Theodore Ts'o | e589f67 | 2000-04-03 13:45:40 +0000 | [diff] [blame] | 65 | #endif /* EXT2_FLAT_INCLUDES */ |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 66 | |
Darrick J. Wong | 832cb61 | 2013-10-11 23:02:12 -0400 | [diff] [blame] | 67 | #ifdef __CHECK_ENDIAN__ |
| 68 | #define __bitwise __attribute__((bitwise)) |
| 69 | #else |
| 70 | #define __bitwise |
| 71 | #endif |
| 72 | |
| 73 | typedef __u32 __bitwise ext2_ino_t; |
| 74 | typedef __u32 __bitwise blk_t; |
| 75 | typedef __u64 __bitwise blk64_t; |
| 76 | typedef __u32 __bitwise dgrp_t; |
| 77 | typedef __u32 __bitwise ext2_off_t; |
| 78 | typedef __u64 __bitwise ext2_off64_t; |
| 79 | typedef __s64 __bitwise e2_blkcnt_t; |
| 80 | typedef __u32 __bitwise ext2_dirhash_t; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 81 | |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 82 | #if EXT2_FLAT_INCLUDES |
| 83 | #include "com_err.h" |
| 84 | #include "ext2_io.h" |
| 85 | #include "ext2_err.h" |
Andreas Dilger | fefaef3 | 2008-02-02 01:16:32 -0700 | [diff] [blame] | 86 | #include "ext2_ext_attr.h" |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 87 | #else |
Theodore Ts'o | 7c2d256 | 2001-05-21 02:54:21 +0000 | [diff] [blame] | 88 | #include <et/com_err.h> |
| 89 | #include <ext2fs/ext2_io.h> |
| 90 | #include <ext2fs/ext2_err.h> |
Andreas Dilger | fefaef3 | 2008-02-02 01:16:32 -0700 | [diff] [blame] | 91 | #include <ext2fs/ext2_ext_attr.h> |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 92 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 93 | |
Theodore Ts'o | 4c77fe5 | 1998-04-30 17:35:59 +0000 | [diff] [blame] | 94 | /* |
| 95 | * Portability help for Microsoft Visual C++ |
| 96 | */ |
| 97 | #ifdef _MSC_VER |
| 98 | #define EXT2_QSORT_TYPE int __cdecl |
| 99 | #else |
| 100 | #define EXT2_QSORT_TYPE int |
| 101 | #endif |
| 102 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 103 | typedef struct struct_ext2_filsys *ext2_filsys; |
| 104 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 105 | #define EXT2FS_MARK_ERROR 0 |
| 106 | #define EXT2FS_UNMARK_ERROR 1 |
| 107 | #define EXT2FS_TEST_ERROR 2 |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 108 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 109 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 110 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 111 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 112 | |
Theodore Ts'o | 7f88b04 | 1997-04-26 14:48:50 +0000 | [diff] [blame] | 113 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) |
Andreas Dilger | 067911a | 2006-07-15 22:08:20 -0400 | [diff] [blame] | 114 | |
Theodore Ts'o | 7f88b04 | 1997-04-26 14:48:50 +0000 | [diff] [blame] | 115 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 116 | /* |
Andreas Dilger | 067911a | 2006-07-15 22:08:20 -0400 | [diff] [blame] | 117 | * Badblocks list definitions |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 118 | */ |
| 119 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 120 | typedef struct ext2_struct_u32_list *ext2_badblocks_list; |
| 121 | typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; |
| 122 | |
| 123 | typedef struct ext2_struct_u32_list *ext2_u32_list; |
| 124 | typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 125 | |
| 126 | /* old */ |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 127 | typedef struct ext2_struct_u32_list *badblocks_list; |
| 128 | typedef struct ext2_struct_u32_iterate *badblocks_iterate; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 129 | |
| 130 | #define BADBLOCKS_FLAG_DIRTY 1 |
| 131 | |
| 132 | /* |
| 133 | * ext2_dblist structure and abstractions (see dblist.c) |
| 134 | */ |
Theodore Ts'o | ab13b5a | 2010-06-13 10:00:00 -0400 | [diff] [blame] | 135 | struct ext2_db_entry2 { |
| 136 | ext2_ino_t ino; |
| 137 | blk64_t blk; |
| 138 | e2_blkcnt_t blockcnt; |
| 139 | }; |
| 140 | |
| 141 | /* Ye Olde 32-bit version */ |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 142 | struct ext2_db_entry { |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 143 | ext2_ino_t ino; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 144 | blk_t blk; |
| 145 | int blockcnt; |
| 146 | }; |
| 147 | |
| 148 | typedef struct ext2_struct_dblist *ext2_dblist; |
| 149 | |
| 150 | #define DBLIST_ABORT 1 |
| 151 | |
| 152 | /* |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 153 | * ext2_fileio definitions |
| 154 | */ |
| 155 | |
| 156 | #define EXT2_FILE_WRITE 0x0001 |
| 157 | #define EXT2_FILE_CREATE 0x0002 |
| 158 | |
| 159 | #define EXT2_FILE_MASK 0x00FF |
| 160 | |
| 161 | #define EXT2_FILE_BUF_DIRTY 0x4000 |
| 162 | #define EXT2_FILE_BUF_VALID 0x2000 |
| 163 | |
| 164 | typedef struct ext2_file *ext2_file_t; |
| 165 | |
| 166 | #define EXT2_SEEK_SET 0 |
| 167 | #define EXT2_SEEK_CUR 1 |
| 168 | #define EXT2_SEEK_END 2 |
| 169 | |
| 170 | /* |
Theodore Ts'o | a112847 | 2001-01-16 06:56:14 +0000 | [diff] [blame] | 171 | * Flags for the ext2_filsys structure and for ext2fs_open() |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 172 | */ |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 173 | #define EXT2_FLAG_RW 0x01 |
| 174 | #define EXT2_FLAG_CHANGED 0x02 |
| 175 | #define EXT2_FLAG_DIRTY 0x04 |
| 176 | #define EXT2_FLAG_VALID 0x08 |
| 177 | #define EXT2_FLAG_IB_DIRTY 0x10 |
| 178 | #define EXT2_FLAG_BB_DIRTY 0x20 |
Theodore Ts'o | 5c57647 | 1997-04-29 15:29:49 +0000 | [diff] [blame] | 179 | #define EXT2_FLAG_SWAP_BYTES 0x40 |
| 180 | #define EXT2_FLAG_SWAP_BYTES_READ 0x80 |
| 181 | #define EXT2_FLAG_SWAP_BYTES_WRITE 0x100 |
| 182 | #define EXT2_FLAG_MASTER_SB_ONLY 0x200 |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 183 | #define EXT2_FLAG_FORCE 0x400 |
Theodore Ts'o | 43ec873 | 2001-01-03 14:56:46 +0000 | [diff] [blame] | 184 | #define EXT2_FLAG_SUPER_ONLY 0x800 |
Theodore Ts'o | a112847 | 2001-01-16 06:56:14 +0000 | [diff] [blame] | 185 | #define EXT2_FLAG_JOURNAL_DEV_OK 0x1000 |
Theodore Ts'o | a78926e | 2001-05-03 04:02:29 +0000 | [diff] [blame] | 186 | #define EXT2_FLAG_IMAGE_FILE 0x2000 |
Theodore Ts'o | 39c47ce | 2006-03-18 19:16:10 -0500 | [diff] [blame] | 187 | #define EXT2_FLAG_EXCLUSIVE 0x4000 |
Theodore Ts'o | cf8272e | 2006-11-12 23:26:46 -0500 | [diff] [blame] | 188 | #define EXT2_FLAG_SOFTSUPP_FEATURES 0x8000 |
Theodore Ts'o | ab52e12 | 2008-02-26 20:45:36 -0500 | [diff] [blame] | 189 | #define EXT2_FLAG_NOFREE_ON_ERROR 0x10000 |
Theodore Ts'o | 69365c6 | 2009-08-22 13:27:40 -0400 | [diff] [blame] | 190 | #define EXT2_FLAG_64BITS 0x20000 |
Valerie Aurora Henson | 95fd65b | 2009-08-23 19:20:03 -0400 | [diff] [blame] | 191 | #define EXT2_FLAG_PRINT_PROGRESS 0x40000 |
Theodore Ts'o | 73fbe23 | 2010-09-24 22:22:09 -0400 | [diff] [blame] | 192 | #define EXT2_FLAG_DIRECT_IO 0x80000 |
Andreas Dilger | 0f5eba7 | 2011-09-24 13:48:55 -0400 | [diff] [blame] | 193 | #define EXT2_FLAG_SKIP_MMP 0x100000 |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 194 | |
Theodore Ts'o | 7f88b04 | 1997-04-26 14:48:50 +0000 | [diff] [blame] | 195 | /* |
| 196 | * Special flag in the ext2 inode i_flag field that means that this is |
| 197 | * a new inode. (So that ext2_write_inode() can clear extra fields.) |
| 198 | */ |
| 199 | #define EXT2_NEW_INODE_FL 0x80000000 |
| 200 | |
Theodore Ts'o | 4e24670 | 2000-12-09 14:39:16 +0000 | [diff] [blame] | 201 | /* |
| 202 | * Flags for mkjournal |
Theodore Ts'o | 4e24670 | 2000-12-09 14:39:16 +0000 | [diff] [blame] | 203 | */ |
Andreas Dilger | 6c54689 | 2011-06-11 12:17:29 -0400 | [diff] [blame] | 204 | #define EXT2_MKJOURNAL_V1_SUPER 0x0000001 /* create V1 superblock (deprecated) */ |
| 205 | #define EXT2_MKJOURNAL_LAZYINIT 0x0000002 /* don't zero journal inode before use*/ |
Theodore Ts'o | 304e11c | 2012-04-05 12:30:02 -0700 | [diff] [blame] | 206 | #define EXT2_MKJOURNAL_NO_MNT_CHECK 0x0000004 /* don't check mount status */ |
Theodore Ts'o | 4e24670 | 2000-12-09 14:39:16 +0000 | [diff] [blame] | 207 | |
Eric Sandeen | efe0b40 | 2010-06-13 21:00:00 -0400 | [diff] [blame] | 208 | struct opaque_ext2_group_desc; |
| 209 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 210 | struct struct_ext2_filsys { |
Theodore Ts'o | 4cbe8af | 1997-08-10 23:07:40 +0000 | [diff] [blame] | 211 | errcode_t magic; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 212 | io_channel io; |
| 213 | int flags; |
| 214 | char * device_name; |
| 215 | struct ext2_super_block * super; |
Theodore Ts'o | 5443492 | 2003-12-07 01:28:50 -0500 | [diff] [blame] | 216 | unsigned int blocksize; |
Theodore Ts'o | 3fbfad5 | 2011-09-15 15:44:56 -0400 | [diff] [blame] | 217 | int fragsize; |
Theodore Ts'o | 2eb374c | 1998-09-03 01:22:57 +0000 | [diff] [blame] | 218 | dgrp_t group_desc_count; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 219 | unsigned long desc_blocks; |
Eric Sandeen | efe0b40 | 2010-06-13 21:00:00 -0400 | [diff] [blame] | 220 | struct opaque_ext2_group_desc * group_desc; |
Theodore Ts'o | d32c915 | 2011-07-07 13:50:22 -0400 | [diff] [blame] | 221 | unsigned int inode_blocks_per_group; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 222 | ext2fs_inode_bitmap inode_map; |
| 223 | ext2fs_block_bitmap block_map; |
Valerie Aurora Henson | 6d8b37f | 2010-06-13 11:00:00 -0400 | [diff] [blame] | 224 | /* XXX FIXME-64: not 64-bit safe, but not used? */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 225 | errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
| 226 | errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 227 | errcode_t (*write_bitmaps)(ext2_filsys fs); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 228 | errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 229 | struct ext2_inode *inode); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 230 | errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 231 | struct ext2_inode *inode); |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 232 | ext2_badblocks_list badblocks; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 233 | ext2_dblist dblist; |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 234 | __u32 stride; /* for mke2fs */ |
Theodore Ts'o | c180ac8 | 2000-10-26 20:24:43 +0000 | [diff] [blame] | 235 | struct ext2_super_block * orig_super; |
Theodore Ts'o | a78926e | 2001-05-03 04:02:29 +0000 | [diff] [blame] | 236 | struct ext2_image_hdr * image_header; |
Theodore Ts'o | 6a52506 | 2001-12-24 09:40:00 -0500 | [diff] [blame] | 237 | __u32 umask; |
Theodore Ts'o | 9b9a780 | 2005-12-10 21:50:30 -0500 | [diff] [blame] | 238 | time_t now; |
Theodore Ts'o | 3fbfad5 | 2011-09-15 15:44:56 -0400 | [diff] [blame] | 239 | int cluster_ratio_bits; |
Theodore Ts'o | 67861e5 | 2011-12-16 11:24:23 -0500 | [diff] [blame] | 240 | __u16 default_bitmap_type; |
| 241 | __u16 pad; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 242 | /* |
| 243 | * Reserved for future expansion |
| 244 | */ |
Theodore Ts'o | 67861e5 | 2011-12-16 11:24:23 -0500 | [diff] [blame] | 245 | __u32 reserved[5]; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 246 | |
| 247 | /* |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 248 | * Reserved for the use of the calling application. |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 249 | */ |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 250 | void * priv_data; |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 251 | |
| 252 | /* |
| 253 | * Inode cache |
| 254 | */ |
| 255 | struct ext2_inode_cache *icache; |
Theodore Ts'o | 1ad54a9 | 2004-07-28 21:11:48 -0400 | [diff] [blame] | 256 | io_channel image_io; |
Theodore Ts'o | f5c562e | 2008-06-02 17:21:37 -0400 | [diff] [blame] | 257 | |
| 258 | /* |
Theodore Ts'o | 5fff863 | 2011-11-25 21:23:18 -0500 | [diff] [blame] | 259 | * More callback functions |
| 260 | */ |
| 261 | errcode_t (*get_alloc_block)(ext2_filsys fs, blk64_t goal, |
| 262 | blk64_t *ret); |
| 263 | void (*block_alloc_stats)(ext2_filsys fs, blk64_t blk, int inuse); |
| 264 | |
| 265 | /* |
Andreas Dilger | 0f5eba7 | 2011-09-24 13:48:55 -0400 | [diff] [blame] | 266 | * Buffers for Multiple mount protection(MMP) block. |
| 267 | */ |
| 268 | void *mmp_buf; |
| 269 | void *mmp_cmp; |
| 270 | int mmp_fd; |
| 271 | |
| 272 | /* |
| 273 | * Time at which e2fsck last updated the MMP block. |
| 274 | */ |
| 275 | long mmp_last_written; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 276 | }; |
| 277 | |
Theodore Ts'o | 5953b9d | 1998-02-01 13:23:02 +0000 | [diff] [blame] | 278 | #if EXT2_FLAT_INCLUDES |
| 279 | #include "e2_bitops.h" |
| 280 | #else |
Theodore Ts'o | 7c2d256 | 2001-05-21 02:54:21 +0000 | [diff] [blame] | 281 | #include <ext2fs/bitops.h> |
Theodore Ts'o | 5953b9d | 1998-02-01 13:23:02 +0000 | [diff] [blame] | 282 | #endif |
Theodore Ts'o | d40259f | 1997-10-20 00:44:26 +0000 | [diff] [blame] | 283 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 284 | /* |
Theodore Ts'o | 67861e5 | 2011-12-16 11:24:23 -0500 | [diff] [blame] | 285 | * 64-bit bitmap backend types |
| 286 | */ |
Theodore Ts'o | 67861e5 | 2011-12-16 11:24:23 -0500 | [diff] [blame] | 287 | #define EXT2FS_BMAP64_BITARRAY 1 |
Lukas Czerner | c1359d9 | 2011-12-18 00:29:33 -0500 | [diff] [blame] | 288 | #define EXT2FS_BMAP64_RBTREE 2 |
Theodore Ts'o | d182831 | 2011-12-18 00:31:27 -0500 | [diff] [blame] | 289 | #define EXT2FS_BMAP64_AUTODIR 3 |
Theodore Ts'o | 67861e5 | 2011-12-16 11:24:23 -0500 | [diff] [blame] | 290 | |
| 291 | /* |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 292 | * Return flags for the block iterator functions |
| 293 | */ |
| 294 | #define BLOCK_CHANGED 1 |
| 295 | #define BLOCK_ABORT 2 |
| 296 | #define BLOCK_ERROR 4 |
| 297 | |
| 298 | /* |
| 299 | * Block interate flags |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 300 | * |
| 301 | * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator |
| 302 | * function should be called on blocks where the block number is zero. |
| 303 | * This is used by ext2fs_expand_dir() to be able to add a new block |
| 304 | * to an inode. It can also be used for programs that want to be able |
| 305 | * to deal with files that contain "holes". |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 306 | * |
Theodore Ts'o | 7447921 | 2006-03-18 08:26:36 -0500 | [diff] [blame] | 307 | * BLOCK_FLAG_DEPTH_TRAVERSE indicates that the iterator function for |
| 308 | * the indirect, doubly indirect, etc. blocks should be called after |
| 309 | * all of the blocks containined in the indirect blocks are processed. |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 310 | * This is useful if you are going to be deallocating blocks from an |
| 311 | * inode. |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 312 | * |
| 313 | * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be |
| 314 | * called for data blocks only. |
Theodore Ts'o | 674a4ee | 1998-03-23 02:06:52 +0000 | [diff] [blame] | 315 | * |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 316 | * BLOCK_FLAG_READ_ONLY is a promise by the caller that it will not |
Theodore Ts'o | 357d186 | 2008-02-02 21:26:54 -0500 | [diff] [blame] | 317 | * modify returned block number. |
| 318 | * |
Theodore Ts'o | 674a4ee | 1998-03-23 02:06:52 +0000 | [diff] [blame] | 319 | * BLOCK_FLAG_NO_LARGE is for internal use only. It informs |
Theodore Ts'o | 36a43d6 | 1998-03-24 16:17:51 +0000 | [diff] [blame] | 320 | * ext2fs_block_iterate2 that large files won't be accepted. |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 321 | */ |
| 322 | #define BLOCK_FLAG_APPEND 1 |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 323 | #define BLOCK_FLAG_HOLE 1 |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 324 | #define BLOCK_FLAG_DEPTH_TRAVERSE 2 |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 325 | #define BLOCK_FLAG_DATA_ONLY 4 |
Theodore Ts'o | 357d186 | 2008-02-02 21:26:54 -0500 | [diff] [blame] | 326 | #define BLOCK_FLAG_READ_ONLY 8 |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 327 | |
Theodore Ts'o | 674a4ee | 1998-03-23 02:06:52 +0000 | [diff] [blame] | 328 | #define BLOCK_FLAG_NO_LARGE 0x1000 |
| 329 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 330 | /* |
| 331 | * Magic "block count" return values for the block iterator function. |
| 332 | */ |
| 333 | #define BLOCK_COUNT_IND (-1) |
| 334 | #define BLOCK_COUNT_DIND (-2) |
| 335 | #define BLOCK_COUNT_TIND (-3) |
| 336 | #define BLOCK_COUNT_TRANSLATOR (-4) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 337 | |
Theodore Ts'o | 4a31c48 | 1998-03-30 01:27:25 +0000 | [diff] [blame] | 338 | #if 0 |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 339 | /* |
Theodore Ts'o | 1e1da29 | 1997-06-09 14:51:29 +0000 | [diff] [blame] | 340 | * Flags for ext2fs_move_blocks |
| 341 | */ |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 342 | #define EXT2_BMOVE_GET_DBLIST 0x0001 |
Theodore Ts'o | 36f2143 | 1997-06-14 07:25:40 +0000 | [diff] [blame] | 343 | #define EXT2_BMOVE_DEBUG 0x0002 |
Theodore Ts'o | 4a31c48 | 1998-03-30 01:27:25 +0000 | [diff] [blame] | 344 | #endif |
Theodore Ts'o | 1e1da29 | 1997-06-09 14:51:29 +0000 | [diff] [blame] | 345 | |
| 346 | /* |
Theodore Ts'o | 3eb07f6 | 2007-10-14 23:04:58 -0400 | [diff] [blame] | 347 | * Generic (non-filesystem layout specific) extents structure |
| 348 | */ |
| 349 | |
| 350 | #define EXT2_EXTENT_FLAGS_LEAF 0x0001 |
| 351 | #define EXT2_EXTENT_FLAGS_UNINIT 0x0002 |
| 352 | #define EXT2_EXTENT_FLAGS_SECOND_VISIT 0x0004 |
| 353 | |
| 354 | struct ext2fs_extent { |
| 355 | blk64_t e_pblk; /* first physical block */ |
| 356 | blk64_t e_lblk; /* first logical block extent covers */ |
| 357 | __u32 e_len; /* number of blocks covered by extent */ |
| 358 | __u32 e_flags; /* extent flags */ |
| 359 | }; |
| 360 | |
| 361 | typedef struct ext2_extent_handle *ext2_extent_handle_t; |
| 362 | typedef struct ext2_extent_path *ext2_extent_path_t; |
| 363 | |
| 364 | /* |
| 365 | * Flags used by ext2fs_extent_get() |
| 366 | */ |
| 367 | #define EXT2_EXTENT_CURRENT 0x0000 |
| 368 | #define EXT2_EXTENT_MOVE_MASK 0x000F |
| 369 | #define EXT2_EXTENT_ROOT 0x0001 |
| 370 | #define EXT2_EXTENT_LAST_LEAF 0x0002 |
| 371 | #define EXT2_EXTENT_FIRST_SIB 0x0003 |
| 372 | #define EXT2_EXTENT_LAST_SIB 0x0004 |
| 373 | #define EXT2_EXTENT_NEXT_SIB 0x0005 |
| 374 | #define EXT2_EXTENT_PREV_SIB 0x0006 |
| 375 | #define EXT2_EXTENT_NEXT_LEAF 0x0007 |
| 376 | #define EXT2_EXTENT_PREV_LEAF 0x0008 |
| 377 | #define EXT2_EXTENT_NEXT 0x0009 |
| 378 | #define EXT2_EXTENT_PREV 0x000A |
| 379 | #define EXT2_EXTENT_UP 0x000B |
| 380 | #define EXT2_EXTENT_DOWN 0x000C |
| 381 | #define EXT2_EXTENT_DOWN_AND_LAST 0x000D |
| 382 | |
| 383 | /* |
| 384 | * Flags used by ext2fs_extent_insert() |
| 385 | */ |
Eric Sandeen | 01229db | 2008-05-20 10:15:27 -0500 | [diff] [blame] | 386 | #define EXT2_EXTENT_INSERT_AFTER 0x0001 /* insert after handle loc'n */ |
| 387 | #define EXT2_EXTENT_INSERT_NOSPLIT 0x0002 /* insert may not cause split */ |
Theodore Ts'o | 3eb07f6 | 2007-10-14 23:04:58 -0400 | [diff] [blame] | 388 | |
| 389 | /* |
Eric Sandeen | c802ad9 | 2008-05-20 16:13:41 -0500 | [diff] [blame] | 390 | * Flags used by ext2fs_extent_delete() |
| 391 | */ |
| 392 | #define EXT2_EXTENT_DELETE_KEEP_EMPTY 0x001 /* keep node if last extnt gone */ |
| 393 | |
| 394 | /* |
Eric Sandeen | f4e9963 | 2008-05-20 10:17:46 -0500 | [diff] [blame] | 395 | * Flags used by ext2fs_extent_set_bmap() |
| 396 | */ |
| 397 | #define EXT2_EXTENT_SET_BMAP_UNINIT 0x0001 |
| 398 | |
| 399 | /* |
Theodore Ts'o | 3eb07f6 | 2007-10-14 23:04:58 -0400 | [diff] [blame] | 400 | * Data structure returned by ext2fs_extent_get_info() |
| 401 | */ |
| 402 | struct ext2_extent_info { |
| 403 | int curr_entry; |
| 404 | int curr_level; |
| 405 | int num_entries; |
| 406 | int max_entries; |
| 407 | int max_depth; |
| 408 | int bytes_avail; |
| 409 | blk64_t max_lblk; |
| 410 | blk64_t max_pblk; |
| 411 | __u32 max_len; |
| 412 | __u32 max_uninit_len; |
| 413 | }; |
| 414 | |
| 415 | /* |
Theodore Ts'o | f9190c8 | 2002-03-12 01:05:06 -0500 | [diff] [blame] | 416 | * Flags for directory block reading and writing functions |
| 417 | */ |
| 418 | #define EXT2_DIRBLOCK_V2_STRUCT 0x0001 |
| 419 | |
| 420 | /* |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 421 | * Return flags for the directory iterator functions |
| 422 | */ |
| 423 | #define DIRENT_CHANGED 1 |
| 424 | #define DIRENT_ABORT 2 |
| 425 | #define DIRENT_ERROR 3 |
| 426 | |
| 427 | /* |
| 428 | * Directory iterator flags |
| 429 | */ |
| 430 | |
| 431 | #define DIRENT_FLAG_INCLUDE_EMPTY 1 |
Theodore Ts'o | 8bd0c95 | 2002-01-03 03:29:19 -0500 | [diff] [blame] | 432 | #define DIRENT_FLAG_INCLUDE_REMOVED 2 |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 433 | |
| 434 | #define DIRENT_DOT_FILE 1 |
| 435 | #define DIRENT_DOT_DOT_FILE 2 |
| 436 | #define DIRENT_OTHER_FILE 3 |
Theodore Ts'o | 8bd0c95 | 2002-01-03 03:29:19 -0500 | [diff] [blame] | 437 | #define DIRENT_DELETED_FILE 4 |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 438 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 439 | /* |
| 440 | * Inode scan definitions |
| 441 | */ |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 442 | typedef struct ext2_struct_inode_scan *ext2_inode_scan; |
| 443 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 444 | /* |
| 445 | * ext2fs_scan flags |
| 446 | */ |
| 447 | #define EXT2_SF_CHK_BADBLOCKS 0x0001 |
| 448 | #define EXT2_SF_BAD_INODE_BLK 0x0002 |
| 449 | #define EXT2_SF_BAD_EXTRA_BYTES 0x0004 |
| 450 | #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 |
Theodore Ts'o | f5fa200 | 2006-05-08 20:17:26 -0400 | [diff] [blame] | 451 | #define EXT2_SF_DO_LAZY 0x0010 |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 452 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 453 | /* |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 454 | * ext2fs_check_if_mounted flags |
| 455 | */ |
| 456 | #define EXT2_MF_MOUNTED 1 |
| 457 | #define EXT2_MF_ISROOT 2 |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 458 | #define EXT2_MF_READONLY 4 |
Theodore Ts'o | 07cefe7 | 2001-12-24 15:20:22 -0500 | [diff] [blame] | 459 | #define EXT2_MF_SWAP 8 |
Theodore Ts'o | 2fa8f37 | 2005-06-05 16:05:22 -0400 | [diff] [blame] | 460 | #define EXT2_MF_BUSY 16 |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 461 | |
| 462 | /* |
| 463 | * Ext2/linux mode flags. We define them here so that we don't need |
| 464 | * to depend on the OS's sys/stat.h, since we may be compiling on a |
| 465 | * non-Linux system. |
| 466 | */ |
| 467 | #define LINUX_S_IFMT 00170000 |
| 468 | #define LINUX_S_IFSOCK 0140000 |
| 469 | #define LINUX_S_IFLNK 0120000 |
| 470 | #define LINUX_S_IFREG 0100000 |
| 471 | #define LINUX_S_IFBLK 0060000 |
| 472 | #define LINUX_S_IFDIR 0040000 |
| 473 | #define LINUX_S_IFCHR 0020000 |
| 474 | #define LINUX_S_IFIFO 0010000 |
| 475 | #define LINUX_S_ISUID 0004000 |
| 476 | #define LINUX_S_ISGID 0002000 |
| 477 | #define LINUX_S_ISVTX 0001000 |
| 478 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 479 | #define LINUX_S_IRWXU 00700 |
| 480 | #define LINUX_S_IRUSR 00400 |
| 481 | #define LINUX_S_IWUSR 00200 |
| 482 | #define LINUX_S_IXUSR 00100 |
| 483 | |
| 484 | #define LINUX_S_IRWXG 00070 |
| 485 | #define LINUX_S_IRGRP 00040 |
| 486 | #define LINUX_S_IWGRP 00020 |
| 487 | #define LINUX_S_IXGRP 00010 |
| 488 | |
| 489 | #define LINUX_S_IRWXO 00007 |
| 490 | #define LINUX_S_IROTH 00004 |
| 491 | #define LINUX_S_IWOTH 00002 |
| 492 | #define LINUX_S_IXOTH 00001 |
| 493 | |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 494 | #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) |
| 495 | #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) |
| 496 | #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) |
| 497 | #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) |
| 498 | #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) |
| 499 | #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) |
| 500 | #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) |
| 501 | |
| 502 | /* |
Theodore Ts'o | 819157d | 2003-01-22 18:25:39 -0500 | [diff] [blame] | 503 | * ext2 size of an inode |
| 504 | */ |
| 505 | #define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) |
| 506 | |
| 507 | /* |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 508 | * ext2_icount_t abstraction |
| 509 | */ |
| 510 | #define EXT2_ICOUNT_OPT_INCREMENT 0x01 |
| 511 | |
| 512 | typedef struct ext2_icount *ext2_icount_t; |
| 513 | |
| 514 | /* |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 515 | * Flags for ext2fs_bmap |
| 516 | */ |
Theodore Ts'o | 1d66753 | 2004-12-23 13:55:34 -0500 | [diff] [blame] | 517 | #define BMAP_ALLOC 0x0001 |
| 518 | #define BMAP_SET 0x0002 |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 519 | |
| 520 | /* |
Theodore Ts'o | cc9bf5d | 2008-02-18 14:59:45 -0500 | [diff] [blame] | 521 | * Returned flags from ext2fs_bmap |
| 522 | */ |
| 523 | #define BMAP_RET_UNINIT 0x0001 |
| 524 | |
| 525 | /* |
Theodore Ts'o | 72ed126 | 2000-11-12 19:32:20 +0000 | [diff] [blame] | 526 | * Flags for imager.c functions |
| 527 | */ |
| 528 | #define IMAGER_FLAG_INODEMAP 1 |
| 529 | #define IMAGER_FLAG_SPARSEWRITE 2 |
| 530 | |
| 531 | /* |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 532 | * For checking structure magic numbers... |
| 533 | */ |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 534 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 535 | #define EXT2_CHECK_MAGIC(struct, code) \ |
| 536 | if ((struct)->magic != (code)) return (code) |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 537 | |
| 538 | |
| 539 | /* |
Theodore Ts'o | e5b38a5 | 2001-01-01 16:17:12 +0000 | [diff] [blame] | 540 | * For ext2 compression support |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 541 | */ |
Valerie Clement | 5d38ef1 | 2007-08-30 17:33:40 +0200 | [diff] [blame] | 542 | #define EXT2FS_COMPRESSED_BLKADDR ((blk_t) -1) |
Theodore Ts'o | 5a63dd2 | 2000-02-11 15:44:08 +0000 | [diff] [blame] | 543 | #define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR) |
| 544 | |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 545 | /* |
Theodore Ts'o | 426d734 | 2001-01-13 01:29:05 +0000 | [diff] [blame] | 546 | * Features supported by this version of the library |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 547 | */ |
Theodore Ts'o | 3a5f8ea | 1999-09-14 20:21:26 +0000 | [diff] [blame] | 548 | #define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ |
| 549 | EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ |
Theodore Ts'o | 342d847 | 2001-07-02 11:54:09 -0400 | [diff] [blame] | 550 | EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ |
Theodore Ts'o | d323f8f | 2004-12-15 14:39:16 -0500 | [diff] [blame] | 551 | EXT2_FEATURE_COMPAT_RESIZE_INODE|\ |
Theodore Ts'o | 52783e0 | 2002-03-11 15:04:45 -0500 | [diff] [blame] | 552 | EXT2_FEATURE_COMPAT_DIR_INDEX|\ |
Theodore Ts'o | 342d847 | 2001-07-02 11:54:09 -0400 | [diff] [blame] | 553 | EXT2_FEATURE_COMPAT_EXT_ATTR) |
Theodore Ts'o | 2fe1efe | 2000-12-31 13:39:17 +0000 | [diff] [blame] | 554 | |
Theodore Ts'o | 5a63dd2 | 2000-02-11 15:44:08 +0000 | [diff] [blame] | 555 | /* This #ifdef is temporary until compression is fully supported */ |
| 556 | #ifdef ENABLE_COMPRESSION |
Theodore Ts'o | e589f67 | 2000-04-03 13:45:40 +0000 | [diff] [blame] | 557 | #ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL |
| 558 | /* If the below warning bugs you, then have |
| 559 | `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your |
| 560 | environment at configure time. */ |
Theodore Ts'o | cdaf1fa | 2001-01-05 22:23:22 +0000 | [diff] [blame] | 561 | #warning "Compression support is experimental" |
Theodore Ts'o | e589f67 | 2000-04-03 13:45:40 +0000 | [diff] [blame] | 562 | #endif |
Theodore Ts'o | 5a63dd2 | 2000-02-11 15:44:08 +0000 | [diff] [blame] | 563 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
Theodore Ts'o | ab14676 | 2000-07-07 04:37:35 +0000 | [diff] [blame] | 564 | EXT2_FEATURE_INCOMPAT_COMPRESSION|\ |
Theodore Ts'o | a112847 | 2001-01-16 06:56:14 +0000 | [diff] [blame] | 565 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
Theodore Ts'o | c046ac7 | 2002-10-20 00:38:57 -0400 | [diff] [blame] | 566 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
Jose R. Santos | c2d4300 | 2007-08-13 23:32:57 -0500 | [diff] [blame] | 567 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
Theodore Ts'o | 15d482b | 2007-08-20 21:31:11 -0400 | [diff] [blame] | 568 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
Jose R. Santos | 02d6f47 | 2010-06-13 13:00:00 -0400 | [diff] [blame] | 569 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
Andreas Dilger | 0f5eba7 | 2011-09-24 13:48:55 -0400 | [diff] [blame] | 570 | EXT4_FEATURE_INCOMPAT_MMP|\ |
Jose R. Santos | 02d6f47 | 2010-06-13 13:00:00 -0400 | [diff] [blame] | 571 | EXT4_FEATURE_INCOMPAT_64BIT) |
Theodore Ts'o | 5a63dd2 | 2000-02-11 15:44:08 +0000 | [diff] [blame] | 572 | #else |
Theodore Ts'o | ab14676 | 2000-07-07 04:37:35 +0000 | [diff] [blame] | 573 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
Theodore Ts'o | a112847 | 2001-01-16 06:56:14 +0000 | [diff] [blame] | 574 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
Theodore Ts'o | c046ac7 | 2002-10-20 00:38:57 -0400 | [diff] [blame] | 575 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
Jose R. Santos | c2d4300 | 2007-08-13 23:32:57 -0500 | [diff] [blame] | 576 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
Theodore Ts'o | 15d482b | 2007-08-20 21:31:11 -0400 | [diff] [blame] | 577 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
Jose R. Santos | 02d6f47 | 2010-06-13 13:00:00 -0400 | [diff] [blame] | 578 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
Andreas Dilger | 0f5eba7 | 2011-09-24 13:48:55 -0400 | [diff] [blame] | 579 | EXT4_FEATURE_INCOMPAT_MMP|\ |
Jose R. Santos | 02d6f47 | 2010-06-13 13:00:00 -0400 | [diff] [blame] | 580 | EXT4_FEATURE_INCOMPAT_64BIT) |
Theodore Ts'o | 5a63dd2 | 2000-02-11 15:44:08 +0000 | [diff] [blame] | 581 | #endif |
Theodore Ts'o | 7becb20 | 2011-11-14 10:40:43 -0500 | [diff] [blame] | 582 | #ifdef CONFIG_QUOTA |
Theodore Ts'o | 674a4ee | 1998-03-23 02:06:52 +0000 | [diff] [blame] | 583 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ |
Theodore Ts'o | 1ca1059 | 2008-04-09 11:39:11 -0400 | [diff] [blame] | 584 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\ |
Andreas Dilger | a7c9cb7 | 2008-02-02 01:25:03 -0700 | [diff] [blame] | 585 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\ |
Jose R. Santos | d4f34d4 | 2007-10-21 21:03:25 -0500 | [diff] [blame] | 586 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\ |
Theodore Ts'o | 2be8fe4 | 2008-07-10 10:49:59 -0400 | [diff] [blame] | 587 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\ |
Theodore Ts'o | 44fe08f | 2011-06-10 18:58:16 -0400 | [diff] [blame] | 588 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\ |
Aditya Kali | 624e4a6 | 2011-07-20 11:40:06 -0700 | [diff] [blame] | 589 | EXT4_FEATURE_RO_COMPAT_BIGALLOC|\ |
| 590 | EXT4_FEATURE_RO_COMPAT_QUOTA) |
Theodore Ts'o | 7becb20 | 2011-11-14 10:40:43 -0500 | [diff] [blame] | 591 | #else |
| 592 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ |
| 593 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\ |
| 594 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\ |
| 595 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\ |
| 596 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\ |
| 597 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\ |
| 598 | EXT4_FEATURE_RO_COMPAT_BIGALLOC) |
| 599 | #endif |
Theodore Ts'o | cf8272e | 2006-11-12 23:26:46 -0500 | [diff] [blame] | 600 | |
| 601 | /* |
| 602 | * These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed |
| 603 | * to ext2fs_openfs() |
| 604 | */ |
Theodore Ts'o | 1ca1059 | 2008-04-09 11:39:11 -0400 | [diff] [blame] | 605 | #define EXT2_LIB_SOFTSUPP_INCOMPAT (0) |
Theodore Ts'o | 991211f | 2012-02-17 13:54:47 -0500 | [diff] [blame] | 606 | #define EXT2_LIB_SOFTSUPP_RO_COMPAT (EXT4_FEATURE_RO_COMPAT_REPLICA) |
Theodore Ts'o | cf8272e | 2006-11-12 23:26:46 -0500 | [diff] [blame] | 607 | |
Theodore Ts'o | 1da5ef7 | 2011-06-04 10:20:47 -0400 | [diff] [blame] | 608 | |
| 609 | /* Translate a block number to a cluster number */ |
| 610 | #define EXT2FS_CLUSTER_RATIO(fs) (1 << (fs)->cluster_ratio_bits) |
| 611 | #define EXT2FS_CLUSTER_MASK(fs) (EXT2FS_CLUSTER_RATIO(fs) - 1) |
| 612 | #define EXT2FS_B2C(fs, blk) ((blk) >> (fs)->cluster_ratio_bits) |
| 613 | /* Translate a cluster number to a block number */ |
| 614 | #define EXT2FS_C2B(fs, cluster) ((cluster) << (fs)->cluster_ratio_bits) |
| 615 | /* Translate # of blks to # of clusters */ |
| 616 | #define EXT2FS_NUM_B2C(fs, blks) (((blks) + EXT2FS_CLUSTER_MASK(fs)) >> \ |
| 617 | (fs)->cluster_ratio_bits) |
| 618 | |
Theodore Ts'o | a9f4607 | 2011-11-10 07:33:02 -0500 | [diff] [blame] | 619 | #if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED) |
Lukas Czerner | c859cb1 | 2011-09-15 23:44:48 -0400 | [diff] [blame] | 620 | typedef struct stat64 ext2fs_struct_stat; |
| 621 | #else |
| 622 | typedef struct stat ext2fs_struct_stat; |
| 623 | #endif |
| 624 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 625 | /* |
Richard W.M. Jones | 9d9a53e | 2011-09-24 10:50:42 -0400 | [diff] [blame] | 626 | * For ext2fs_close2() and ext2fs_flush2(), this flag allows you to |
| 627 | * avoid the fsync call. |
| 628 | */ |
| 629 | #define EXT2_FLAG_FLUSH_NO_SYNC 1 |
| 630 | |
| 631 | /* |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 632 | * function prototypes |
| 633 | */ |
| 634 | |
| 635 | /* alloc.c */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 636 | extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, |
| 637 | ext2fs_inode_bitmap map, ext2_ino_t *ret); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 638 | extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 639 | ext2fs_block_bitmap map, blk_t *ret); |
Jose R. Santos | 8a5e181 | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 640 | extern errcode_t ext2fs_new_block2(ext2_filsys fs, blk64_t goal, |
| 641 | ext2fs_block_bitmap map, blk64_t *ret); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 642 | extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 643 | blk_t finish, int num, |
| 644 | ext2fs_block_bitmap map, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 645 | blk_t *ret); |
Jose R. Santos | 8a5e181 | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 646 | extern errcode_t ext2fs_get_free_blocks2(ext2_filsys fs, blk64_t start, |
| 647 | blk64_t finish, int num, |
| 648 | ext2fs_block_bitmap map, |
| 649 | blk64_t *ret); |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 650 | extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, |
| 651 | char *block_buf, blk_t *ret); |
Jose R. Santos | 8a5e181 | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 652 | extern errcode_t ext2fs_alloc_block2(ext2_filsys fs, blk64_t goal, |
| 653 | char *block_buf, blk64_t *ret); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 654 | extern void ext2fs_set_alloc_block_callback(ext2_filsys fs, |
Theodore Ts'o | f5c562e | 2008-06-02 17:21:37 -0400 | [diff] [blame] | 655 | errcode_t (*func)(ext2_filsys fs, |
| 656 | blk64_t goal, |
| 657 | blk64_t *ret), |
| 658 | errcode_t (**old)(ext2_filsys fs, |
| 659 | blk64_t goal, |
| 660 | blk64_t *ret)); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 661 | |
Theodore Ts'o | ef344e1 | 2003-11-21 09:02:21 -0500 | [diff] [blame] | 662 | /* alloc_sb.c */ |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 663 | extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, |
Theodore Ts'o | ef344e1 | 2003-11-21 09:02:21 -0500 | [diff] [blame] | 664 | dgrp_t group, |
| 665 | ext2fs_block_bitmap bmap); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 666 | extern void ext2fs_set_block_alloc_stats_callback(ext2_filsys fs, |
Theodore Ts'o | f5c562e | 2008-06-02 17:21:37 -0400 | [diff] [blame] | 667 | void (*func)(ext2_filsys fs, |
| 668 | blk64_t blk, |
| 669 | int inuse), |
| 670 | void (**old)(ext2_filsys fs, |
| 671 | blk64_t blk, |
| 672 | int inuse)); |
Theodore Ts'o | ef344e1 | 2003-11-21 09:02:21 -0500 | [diff] [blame] | 673 | |
Theodore Ts'o | 8bd0c95 | 2002-01-03 03:29:19 -0500 | [diff] [blame] | 674 | /* alloc_stats.c */ |
| 675 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); |
Theodore Ts'o | 7f961d4 | 2002-02-03 01:28:52 -0500 | [diff] [blame] | 676 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, |
| 677 | int inuse, int isdir); |
Theodore Ts'o | 8bd0c95 | 2002-01-03 03:29:19 -0500 | [diff] [blame] | 678 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); |
Jose R. Santos | e8328e3 | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 679 | void ext2fs_block_alloc_stats2(ext2_filsys fs, blk64_t blk, int inuse); |
Theodore Ts'o | 8bd0c95 | 2002-01-03 03:29:19 -0500 | [diff] [blame] | 680 | |
Theodore Ts'o | 1e1da29 | 1997-06-09 14:51:29 +0000 | [diff] [blame] | 681 | /* alloc_tables.c */ |
| 682 | extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); |
Theodore Ts'o | 2eb374c | 1998-09-03 01:22:57 +0000 | [diff] [blame] | 683 | extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, |
Theodore Ts'o | 1e1da29 | 1997-06-09 14:51:29 +0000 | [diff] [blame] | 684 | ext2fs_block_bitmap bmap); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 685 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 686 | /* badblocks.c */ |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 687 | extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); |
| 688 | extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); |
Theodore Ts'o | 5443492 | 2003-12-07 01:28:50 -0500 | [diff] [blame] | 689 | extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 690 | extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); |
| 691 | extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, |
| 692 | ext2_u32_iterate *ret); |
| 693 | extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); |
| 694 | extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); |
| 695 | extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); |
| 696 | extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); |
| 697 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 698 | extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, |
| 699 | int size); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 700 | extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, |
| 701 | blk_t blk); |
| 702 | extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, |
| 703 | blk_t blk); |
Theodore Ts'o | 7d7bdd5 | 2003-06-24 17:34:02 -0400 | [diff] [blame] | 704 | extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); |
| 705 | extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 706 | extern errcode_t |
| 707 | ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, |
| 708 | ext2_badblocks_iterate *ret); |
| 709 | extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, |
| 710 | blk_t *blk); |
| 711 | extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 712 | extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, |
| 713 | ext2_badblocks_list *dest); |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 714 | extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, |
| 715 | ext2_badblocks_list bb2); |
Theodore Ts'o | 220c004 | 2003-03-14 00:59:42 -0500 | [diff] [blame] | 716 | extern int ext2fs_u32_list_count(ext2_u32_list bb); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 717 | |
| 718 | /* bb_compat */ |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 719 | extern errcode_t badblocks_list_create(badblocks_list *ret, int size); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 720 | extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); |
| 721 | extern int badblocks_list_test(badblocks_list bb, blk_t blk); |
| 722 | extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, |
| 723 | badblocks_iterate *ret); |
| 724 | extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); |
| 725 | extern void badblocks_list_iterate_end(badblocks_iterate iter); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 726 | extern void badblocks_list_free(badblocks_list bb); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 727 | |
| 728 | /* bb_inode.c */ |
| 729 | extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 730 | ext2_badblocks_list bb_list); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 731 | |
| 732 | /* bitmaps.c */ |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 733 | extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); |
| 734 | extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 735 | extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, |
| 736 | ext2fs_generic_bitmap *dest); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 737 | extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); |
| 738 | extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); |
| 739 | extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); |
| 740 | extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 741 | extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, |
| 742 | const char *descr, |
| 743 | ext2fs_block_bitmap *ret); |
Theodore Ts'o | 94968e7 | 2011-06-10 17:55:09 -0400 | [diff] [blame] | 744 | extern errcode_t ext2fs_allocate_subcluster_bitmap(ext2_filsys fs, |
| 745 | const char *descr, |
| 746 | ext2fs_block_bitmap *ret); |
| 747 | extern int ext2fs_get_bitmap_granularity(ext2fs_block_bitmap bitmap); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 748 | extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, |
| 749 | const char *descr, |
| 750 | ext2fs_inode_bitmap *ret); |
| 751 | extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 752 | ext2_ino_t end, ext2_ino_t *oend); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 753 | extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, |
| 754 | blk_t end, blk_t *oend); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 755 | extern errcode_t ext2fs_fudge_block_bitmap_end2(ext2fs_block_bitmap bitmap, |
| 756 | blk64_t end, blk64_t *oend); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 757 | extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); |
| 758 | extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 759 | extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); |
| 760 | extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 761 | extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, |
| 762 | ext2fs_inode_bitmap bmap); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 763 | extern errcode_t ext2fs_resize_inode_bitmap2(__u64 new_end, |
| 764 | __u64 new_real_end, |
| 765 | ext2fs_inode_bitmap bmap); |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 766 | extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, |
| 767 | ext2fs_block_bitmap bmap); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 768 | extern errcode_t ext2fs_resize_block_bitmap2(__u64 new_end, |
| 769 | __u64 new_real_end, |
| 770 | ext2fs_block_bitmap bmap); |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 771 | extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, |
| 772 | ext2fs_block_bitmap bm2); |
| 773 | extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, |
| 774 | ext2fs_inode_bitmap bm2); |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 775 | extern errcode_t ext2fs_set_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
| 776 | ext2_ino_t start, unsigned int num, |
| 777 | void *in); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 778 | extern errcode_t ext2fs_set_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
| 779 | __u64 start, size_t num, |
| 780 | void *in); |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 781 | extern errcode_t ext2fs_get_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
| 782 | ext2_ino_t start, unsigned int num, |
| 783 | void *out); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 784 | extern errcode_t ext2fs_get_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
| 785 | __u64 start, size_t num, |
| 786 | void *out); |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 787 | extern errcode_t ext2fs_set_block_bitmap_range(ext2fs_block_bitmap bmap, |
| 788 | blk_t start, unsigned int num, |
| 789 | void *in); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 790 | extern errcode_t ext2fs_set_block_bitmap_range2(ext2fs_block_bitmap bmap, |
| 791 | blk64_t start, size_t num, |
| 792 | void *in); |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 793 | extern errcode_t ext2fs_get_block_bitmap_range(ext2fs_block_bitmap bmap, |
| 794 | blk_t start, unsigned int num, |
| 795 | void *out); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 796 | extern errcode_t ext2fs_get_block_bitmap_range2(ext2fs_block_bitmap bmap, |
| 797 | blk64_t start, size_t num, |
| 798 | void *out); |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 799 | |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 800 | /* blknum.c */ |
| 801 | extern dgrp_t ext2fs_group_of_blk2(ext2_filsys fs, blk64_t); |
| 802 | extern blk64_t ext2fs_group_first_block2(ext2_filsys fs, dgrp_t group); |
| 803 | extern blk64_t ext2fs_group_last_block2(ext2_filsys fs, dgrp_t group); |
Eric Sandeen | 98f4547 | 2011-09-16 09:21:53 -0400 | [diff] [blame] | 804 | extern int ext2fs_group_blocks_count(ext2_filsys fs, dgrp_t group); |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 805 | extern blk64_t ext2fs_inode_data_blocks2(ext2_filsys fs, |
| 806 | struct ext2_inode *inode); |
| 807 | extern blk64_t ext2fs_inode_i_blocks(ext2_filsys fs, |
| 808 | struct ext2_inode *inode); |
| 809 | extern blk64_t ext2fs_blocks_count(struct ext2_super_block *super); |
| 810 | extern void ext2fs_blocks_count_set(struct ext2_super_block *super, |
| 811 | blk64_t blk); |
| 812 | extern void ext2fs_blocks_count_add(struct ext2_super_block *super, |
| 813 | blk64_t blk); |
| 814 | extern blk64_t ext2fs_r_blocks_count(struct ext2_super_block *super); |
| 815 | extern void ext2fs_r_blocks_count_set(struct ext2_super_block *super, |
| 816 | blk64_t blk); |
| 817 | extern void ext2fs_r_blocks_count_add(struct ext2_super_block *super, |
| 818 | blk64_t blk); |
| 819 | extern blk64_t ext2fs_free_blocks_count(struct ext2_super_block *super); |
| 820 | extern void ext2fs_free_blocks_count_set(struct ext2_super_block *super, |
| 821 | blk64_t blk); |
| 822 | extern void ext2fs_free_blocks_count_add(struct ext2_super_block *super, |
| 823 | blk64_t blk); |
| 824 | /* Block group descriptor accessor functions */ |
| 825 | extern struct ext2_group_desc *ext2fs_group_desc(ext2_filsys fs, |
Eric Sandeen | efe0b40 | 2010-06-13 21:00:00 -0400 | [diff] [blame] | 826 | struct opaque_ext2_group_desc *gdp, |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 827 | dgrp_t group); |
| 828 | extern blk64_t ext2fs_block_bitmap_loc(ext2_filsys fs, dgrp_t group); |
| 829 | extern void ext2fs_block_bitmap_loc_set(ext2_filsys fs, dgrp_t group, |
| 830 | blk64_t blk); |
| 831 | extern blk64_t ext2fs_inode_bitmap_loc(ext2_filsys fs, dgrp_t group); |
| 832 | extern void ext2fs_inode_bitmap_loc_set(ext2_filsys fs, dgrp_t group, |
| 833 | blk64_t blk); |
| 834 | extern blk64_t ext2fs_inode_table_loc(ext2_filsys fs, dgrp_t group); |
| 835 | extern void ext2fs_inode_table_loc_set(ext2_filsys fs, dgrp_t group, |
| 836 | blk64_t blk); |
Nick Dokos | d62d218 | 2009-09-07 21:13:59 -0400 | [diff] [blame] | 837 | extern __u32 ext2fs_bg_free_blocks_count(ext2_filsys fs, dgrp_t group); |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 838 | extern void ext2fs_bg_free_blocks_count_set(ext2_filsys fs, dgrp_t group, |
Nick Dokos | d62d218 | 2009-09-07 21:13:59 -0400 | [diff] [blame] | 839 | __u32 n); |
| 840 | extern __u32 ext2fs_bg_free_inodes_count(ext2_filsys fs, dgrp_t group); |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 841 | extern void ext2fs_bg_free_inodes_count_set(ext2_filsys fs, dgrp_t group, |
Nick Dokos | d62d218 | 2009-09-07 21:13:59 -0400 | [diff] [blame] | 842 | __u32 n); |
| 843 | extern __u32 ext2fs_bg_used_dirs_count(ext2_filsys fs, dgrp_t group); |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 844 | extern void ext2fs_bg_used_dirs_count_set(ext2_filsys fs, dgrp_t group, |
Nick Dokos | d62d218 | 2009-09-07 21:13:59 -0400 | [diff] [blame] | 845 | __u32 n); |
| 846 | extern __u32 ext2fs_bg_itable_unused(ext2_filsys fs, dgrp_t group); |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 847 | extern void ext2fs_bg_itable_unused_set(ext2_filsys fs, dgrp_t group, |
Nick Dokos | d62d218 | 2009-09-07 21:13:59 -0400 | [diff] [blame] | 848 | __u32 n); |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 849 | extern __u16 ext2fs_bg_flags(ext2_filsys fs, dgrp_t group); |
Eric Sandeen | e633b58 | 2009-10-25 21:41:32 -0400 | [diff] [blame] | 850 | extern void ext2fs_bg_flags_zap(ext2_filsys fs, dgrp_t group); |
Theodore Ts'o | cd65a24 | 2009-10-25 21:42:12 -0400 | [diff] [blame] | 851 | extern int ext2fs_bg_flags_test(ext2_filsys fs, dgrp_t group, __u16 bg_flag); |
Eric Sandeen | e633b58 | 2009-10-25 21:41:32 -0400 | [diff] [blame] | 852 | extern void ext2fs_bg_flags_set(ext2_filsys fs, dgrp_t group, __u16 bg_flags); |
| 853 | extern void ext2fs_bg_flags_clear(ext2_filsys fs, dgrp_t group, __u16 bg_flags); |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 854 | extern __u16 ext2fs_bg_checksum(ext2_filsys fs, dgrp_t group); |
| 855 | extern void ext2fs_bg_checksum_set(ext2_filsys fs, dgrp_t group, __u16 checksum); |
Theodore Ts'o | 0c80c44 | 2011-10-16 20:29:00 -0400 | [diff] [blame] | 856 | extern blk64_t ext2fs_file_acl_block(ext2_filsys fs, |
| 857 | const struct ext2_inode *inode); |
| 858 | extern void ext2fs_file_acl_block_set(ext2_filsys fs, |
| 859 | struct ext2_inode *inode, blk64_t blk); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 860 | |
| 861 | /* block.c */ |
| 862 | extern errcode_t ext2fs_block_iterate(ext2_filsys fs, |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 863 | ext2_ino_t ino, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 864 | int flags, |
| 865 | char *block_buf, |
| 866 | int (*func)(ext2_filsys fs, |
| 867 | blk_t *blocknr, |
| 868 | int blockcnt, |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 869 | void *priv_data), |
| 870 | void *priv_data); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 871 | errcode_t ext2fs_block_iterate2(ext2_filsys fs, |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 872 | ext2_ino_t ino, |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 873 | int flags, |
| 874 | char *block_buf, |
| 875 | int (*func)(ext2_filsys fs, |
| 876 | blk_t *blocknr, |
Theodore Ts'o | 03673db | 1998-06-10 20:39:43 +0000 | [diff] [blame] | 877 | e2_blkcnt_t blockcnt, |
Theodore Ts'o | 674a4ee | 1998-03-23 02:06:52 +0000 | [diff] [blame] | 878 | blk_t ref_blk, |
| 879 | int ref_offset, |
| 880 | void *priv_data), |
| 881 | void *priv_data); |
Theodore Ts'o | 272631e | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 882 | errcode_t ext2fs_block_iterate3(ext2_filsys fs, |
| 883 | ext2_ino_t ino, |
| 884 | int flags, |
| 885 | char *block_buf, |
| 886 | int (*func)(ext2_filsys fs, |
| 887 | blk64_t *blocknr, |
| 888 | e2_blkcnt_t blockcnt, |
| 889 | blk64_t ref_blk, |
| 890 | int ref_offset, |
| 891 | void *priv_data), |
| 892 | void *priv_data); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 893 | |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 894 | /* bmap.c */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 895 | extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 896 | struct ext2_inode *inode, |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 897 | char *block_buf, int bmap_flags, |
| 898 | blk_t block, blk_t *phys_blk); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 899 | extern errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | cc9bf5d | 2008-02-18 14:59:45 -0500 | [diff] [blame] | 900 | struct ext2_inode *inode, |
| 901 | char *block_buf, int bmap_flags, blk64_t block, |
| 902 | int *ret_flags, blk64_t *phys_blk); |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 903 | |
Theodore Ts'o | 4a31c48 | 1998-03-30 01:27:25 +0000 | [diff] [blame] | 904 | #if 0 |
Theodore Ts'o | 1e1da29 | 1997-06-09 14:51:29 +0000 | [diff] [blame] | 905 | /* bmove.c */ |
| 906 | extern errcode_t ext2fs_move_blocks(ext2_filsys fs, |
| 907 | ext2fs_block_bitmap reserve, |
Theodore Ts'o | 9941fb7 | 1997-06-11 22:27:41 +0000 | [diff] [blame] | 908 | ext2fs_block_bitmap alloc_map, |
Theodore Ts'o | 1e1da29 | 1997-06-09 14:51:29 +0000 | [diff] [blame] | 909 | int flags); |
Theodore Ts'o | 4a31c48 | 1998-03-30 01:27:25 +0000 | [diff] [blame] | 910 | #endif |
Theodore Ts'o | 1e1da29 | 1997-06-09 14:51:29 +0000 | [diff] [blame] | 911 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 912 | /* check_desc.c */ |
| 913 | extern errcode_t ext2fs_check_desc(ext2_filsys fs); |
| 914 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 915 | /* closefs.c */ |
| 916 | extern errcode_t ext2fs_close(ext2_filsys fs); |
Richard W.M. Jones | 9d9a53e | 2011-09-24 10:50:42 -0400 | [diff] [blame] | 917 | extern errcode_t ext2fs_close2(ext2_filsys fs, int flags); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 918 | extern errcode_t ext2fs_flush(ext2_filsys fs); |
Richard W.M. Jones | 9d9a53e | 2011-09-24 10:50:42 -0400 | [diff] [blame] | 919 | extern errcode_t ext2fs_flush2(ext2_filsys fs, int flags); |
Theodore Ts'o | 4718395 | 2013-06-15 18:29:52 -0400 | [diff] [blame] | 920 | extern int ext2fs_bg_has_super(ext2_filsys fs, dgrp_t group_block); |
Jose R. Santos | 71300f3 | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 921 | extern errcode_t ext2fs_super_and_bgd_loc2(ext2_filsys fs, |
| 922 | dgrp_t group, |
| 923 | blk64_t *ret_super_blk, |
| 924 | blk64_t *ret_old_desc_blk, |
| 925 | blk64_t *ret_new_desc_blk, |
| 926 | blk_t *ret_used_blks); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 927 | extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, |
Theodore Ts'o | ef344e1 | 2003-11-21 09:02:21 -0500 | [diff] [blame] | 928 | dgrp_t group, |
| 929 | blk_t *ret_super_blk, |
| 930 | blk_t *ret_old_desc_blk, |
| 931 | blk_t *ret_new_desc_blk, |
| 932 | int *ret_meta_bg); |
Theodore Ts'o | 1b4cd9c | 2004-12-15 18:06:52 -0500 | [diff] [blame] | 933 | extern void ext2fs_update_dynamic_rev(ext2_filsys fs); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 934 | |
Darrick J. Wong | db8bbf2 | 2011-09-15 23:46:37 -0400 | [diff] [blame] | 935 | /* crc32c.c */ |
Darrick J. Wong | a7a6367 | 2011-09-30 12:38:43 -0700 | [diff] [blame] | 936 | extern __u32 ext2fs_crc32c_be(__u32 crc, unsigned char const *p, size_t len); |
| 937 | extern __u32 ext2fs_crc32c_le(__u32 crc, unsigned char const *p, size_t len); |
Darrick J. Wong | db8bbf2 | 2011-09-15 23:46:37 -0400 | [diff] [blame] | 938 | |
Jose R. Santos | ca2634a | 2007-10-21 21:03:19 -0500 | [diff] [blame] | 939 | /* csum.c */ |
| 940 | extern void ext2fs_group_desc_csum_set(ext2_filsys fs, dgrp_t group); |
| 941 | extern int ext2fs_group_desc_csum_verify(ext2_filsys fs, dgrp_t group); |
Andreas Dilger | f628ace | 2008-03-31 10:50:19 -0400 | [diff] [blame] | 942 | extern errcode_t ext2fs_set_gdt_csum(ext2_filsys fs); |
Theodore Ts'o | 8714178 | 2012-03-15 12:13:25 -0400 | [diff] [blame] | 943 | extern __u16 ext2fs_group_desc_csum(ext2_filsys fs, dgrp_t group); |
Jose R. Santos | ca2634a | 2007-10-21 21:03:19 -0500 | [diff] [blame] | 944 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 945 | /* dblist.c */ |
| 946 | |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 947 | extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 948 | extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 949 | extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 950 | blk_t blk, int blockcnt); |
Theodore Ts'o | ab13b5a | 2010-06-13 10:00:00 -0400 | [diff] [blame] | 951 | extern errcode_t ext2fs_add_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
| 952 | blk64_t blk, e2_blkcnt_t blockcnt); |
Theodore Ts'o | ea1959f | 2002-08-31 02:32:41 -0400 | [diff] [blame] | 953 | extern void ext2fs_dblist_sort(ext2_dblist dblist, |
| 954 | EXT2_QSORT_TYPE (*sortfunc)(const void *, |
| 955 | const void *)); |
Theodore Ts'o | ab13b5a | 2010-06-13 10:00:00 -0400 | [diff] [blame] | 956 | extern void ext2fs_dblist_sort2(ext2_dblist dblist, |
| 957 | EXT2_QSORT_TYPE (*sortfunc)(const void *, |
| 958 | const void *)); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 959 | extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, |
| 960 | int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 961 | void *priv_data), |
| 962 | void *priv_data); |
Theodore Ts'o | ab13b5a | 2010-06-13 10:00:00 -0400 | [diff] [blame] | 963 | extern errcode_t ext2fs_dblist_iterate2(ext2_dblist dblist, |
| 964 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, |
| 965 | void *priv_data), |
| 966 | void *priv_data); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 967 | extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 968 | blk_t blk, int blockcnt); |
Theodore Ts'o | ab13b5a | 2010-06-13 10:00:00 -0400 | [diff] [blame] | 969 | extern errcode_t ext2fs_set_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
| 970 | blk64_t blk, e2_blkcnt_t blockcnt); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 971 | extern errcode_t ext2fs_copy_dblist(ext2_dblist src, |
| 972 | ext2_dblist *dest); |
Theodore Ts'o | 549860c | 1997-06-17 03:55:00 +0000 | [diff] [blame] | 973 | extern int ext2fs_dblist_count(ext2_dblist dblist); |
Theodore Ts'o | ab13b5a | 2010-06-13 10:00:00 -0400 | [diff] [blame] | 974 | extern blk64_t ext2fs_dblist_count2(ext2_dblist dblist); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 975 | extern errcode_t ext2fs_dblist_get_last(ext2_dblist dblist, |
Theodore Ts'o | 52b1dd5 | 2008-03-13 00:34:16 -0400 | [diff] [blame] | 976 | struct ext2_db_entry **entry); |
Theodore Ts'o | ab13b5a | 2010-06-13 10:00:00 -0400 | [diff] [blame] | 977 | extern errcode_t ext2fs_dblist_get_last2(ext2_dblist dblist, |
| 978 | struct ext2_db_entry2 **entry); |
Theodore Ts'o | 52b1dd5 | 2008-03-13 00:34:16 -0400 | [diff] [blame] | 979 | extern errcode_t ext2fs_dblist_drop_last(ext2_dblist dblist); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 980 | |
| 981 | /* dblist_dir.c */ |
| 982 | extern errcode_t |
| 983 | ext2fs_dblist_dir_iterate(ext2_dblist dblist, |
| 984 | int flags, |
| 985 | char *block_buf, |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 986 | int (*func)(ext2_ino_t dir, |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 987 | int entry, |
| 988 | struct ext2_dir_entry *dirent, |
| 989 | int offset, |
| 990 | int blocksize, |
| 991 | char *buf, |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 992 | void *priv_data), |
| 993 | void *priv_data); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 994 | |
| 995 | /* dirblock.c */ |
| 996 | extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, |
| 997 | void *buf); |
Theodore Ts'o | f9190c8 | 2002-03-12 01:05:06 -0500 | [diff] [blame] | 998 | extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, |
| 999 | void *buf, int flags); |
Jose R. Santos | 57e2467 | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 1000 | extern errcode_t ext2fs_read_dir_block3(ext2_filsys fs, blk64_t block, |
| 1001 | void *buf, int flags); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 1002 | extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, |
| 1003 | void *buf); |
Theodore Ts'o | f9190c8 | 2002-03-12 01:05:06 -0500 | [diff] [blame] | 1004 | extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, |
| 1005 | void *buf, int flags); |
Jose R. Santos | 57e2467 | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 1006 | extern errcode_t ext2fs_write_dir_block3(ext2_filsys fs, blk64_t block, |
| 1007 | void *buf, int flags); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 1008 | |
Theodore Ts'o | 52783e0 | 2002-03-11 15:04:45 -0500 | [diff] [blame] | 1009 | /* dirhash.c */ |
| 1010 | extern errcode_t ext2fs_dirhash(int version, const char *name, int len, |
Theodore Ts'o | b33278c | 2002-08-17 10:52:51 -0400 | [diff] [blame] | 1011 | const __u32 *seed, |
Theodore Ts'o | 503f9e7 | 2002-06-26 16:52:10 -0400 | [diff] [blame] | 1012 | ext2_dirhash_t *ret_hash, |
| 1013 | ext2_dirhash_t *ret_minor_hash); |
Theodore Ts'o | 52783e0 | 2002-03-11 15:04:45 -0500 | [diff] [blame] | 1014 | |
| 1015 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1016 | /* dir_iterate.c */ |
Theodore Ts'o | 8a48035 | 2009-06-21 21:07:38 -0400 | [diff] [blame] | 1017 | extern errcode_t ext2fs_get_rec_len(ext2_filsys fs, |
| 1018 | struct ext2_dir_entry *dirent, |
| 1019 | unsigned int *rec_len); |
| 1020 | extern errcode_t ext2fs_set_rec_len(ext2_filsys fs, |
| 1021 | unsigned int len, |
| 1022 | struct ext2_dir_entry *dirent); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1023 | extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1024 | ext2_ino_t dir, |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1025 | int flags, |
| 1026 | char *block_buf, |
| 1027 | int (*func)(struct ext2_dir_entry *dirent, |
| 1028 | int offset, |
| 1029 | int blocksize, |
| 1030 | char *buf, |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 1031 | void *priv_data), |
| 1032 | void *priv_data); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1033 | extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, |
Theodore Ts'o | 8bd0c95 | 2002-01-03 03:29:19 -0500 | [diff] [blame] | 1034 | ext2_ino_t dir, |
| 1035 | int flags, |
| 1036 | char *block_buf, |
| 1037 | int (*func)(ext2_ino_t dir, |
| 1038 | int entry, |
| 1039 | struct ext2_dir_entry *dirent, |
| 1040 | int offset, |
| 1041 | int blocksize, |
| 1042 | char *buf, |
| 1043 | void *priv_data), |
| 1044 | void *priv_data); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1045 | |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 1046 | /* dupfs.c */ |
| 1047 | extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1048 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1049 | /* expanddir.c */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1050 | extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1051 | |
Theodore Ts'o | 342d847 | 2001-07-02 11:54:09 -0400 | [diff] [blame] | 1052 | /* ext_attr.c */ |
Andreas Dilger | fefaef3 | 2008-02-02 01:16:32 -0700 | [diff] [blame] | 1053 | extern __u32 ext2fs_ext_attr_hash_entry(struct ext2_ext_attr_entry *entry, |
| 1054 | void *data); |
Theodore Ts'o | 342d847 | 2001-07-02 11:54:09 -0400 | [diff] [blame] | 1055 | extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); |
Jose R. Santos | b91f14b | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 1056 | extern errcode_t ext2fs_read_ext_attr2(ext2_filsys fs, blk64_t block, |
| 1057 | void *buf); |
Theodore Ts'o | 0684a4f | 2002-08-17 10:19:44 -0400 | [diff] [blame] | 1058 | extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, |
| 1059 | void *buf); |
Jose R. Santos | b91f14b | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 1060 | extern errcode_t ext2fs_write_ext_attr2(ext2_filsys fs, blk64_t block, |
| 1061 | void *buf); |
Theodore Ts'o | 0684a4f | 2002-08-17 10:19:44 -0400 | [diff] [blame] | 1062 | extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, |
| 1063 | char *block_buf, |
| 1064 | int adjust, __u32 *newcount); |
Jose R. Santos | b91f14b | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 1065 | extern errcode_t ext2fs_adjust_ea_refcount2(ext2_filsys fs, blk64_t blk, |
| 1066 | char *block_buf, |
| 1067 | int adjust, __u32 *newcount); |
Theodore Ts'o | 0684a4f | 2002-08-17 10:19:44 -0400 | [diff] [blame] | 1068 | |
Theodore Ts'o | 3eb07f6 | 2007-10-14 23:04:58 -0400 | [diff] [blame] | 1069 | /* extent.c */ |
| 1070 | extern errcode_t ext2fs_extent_header_verify(void *ptr, int size); |
| 1071 | extern errcode_t ext2fs_extent_open(ext2_filsys fs, ext2_ino_t ino, |
| 1072 | ext2_extent_handle_t *handle); |
number9652 | 84b239a | 2009-05-19 13:34:12 -0700 | [diff] [blame] | 1073 | extern errcode_t ext2fs_extent_open2(ext2_filsys fs, ext2_ino_t ino, |
| 1074 | struct ext2_inode *inode, |
| 1075 | ext2_extent_handle_t *ret_handle); |
Theodore Ts'o | 2d328bb | 2008-03-17 23:17:13 -0400 | [diff] [blame] | 1076 | extern void ext2fs_extent_free(ext2_extent_handle_t handle); |
Theodore Ts'o | 3eb07f6 | 2007-10-14 23:04:58 -0400 | [diff] [blame] | 1077 | extern errcode_t ext2fs_extent_get(ext2_extent_handle_t handle, |
| 1078 | int flags, struct ext2fs_extent *extent); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 1079 | extern errcode_t ext2fs_extent_node_split(ext2_extent_handle_t handle); |
Theodore Ts'o | 3eb07f6 | 2007-10-14 23:04:58 -0400 | [diff] [blame] | 1080 | extern errcode_t ext2fs_extent_replace(ext2_extent_handle_t handle, int flags, |
| 1081 | struct ext2fs_extent *extent); |
| 1082 | extern errcode_t ext2fs_extent_insert(ext2_extent_handle_t handle, int flags, |
| 1083 | struct ext2fs_extent *extent); |
Eric Sandeen | f4e9963 | 2008-05-20 10:17:46 -0500 | [diff] [blame] | 1084 | extern errcode_t ext2fs_extent_set_bmap(ext2_extent_handle_t handle, |
| 1085 | blk64_t logical, blk64_t physical, |
| 1086 | int flags); |
Theodore Ts'o | 3eb07f6 | 2007-10-14 23:04:58 -0400 | [diff] [blame] | 1087 | extern errcode_t ext2fs_extent_delete(ext2_extent_handle_t handle, int flags); |
| 1088 | extern errcode_t ext2fs_extent_get_info(ext2_extent_handle_t handle, |
| 1089 | struct ext2_extent_info *info); |
| 1090 | extern errcode_t ext2fs_extent_goto(ext2_extent_handle_t handle, |
| 1091 | blk64_t blk); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 1092 | extern errcode_t ext2fs_extent_goto2(ext2_extent_handle_t handle, |
| 1093 | int leaf_level, blk64_t blk); |
Eric Sandeen | 789bd40 | 2012-12-20 14:05:01 -0500 | [diff] [blame] | 1094 | extern errcode_t ext2fs_extent_fix_parents(ext2_extent_handle_t handle); |
Theodore Ts'o | 3eb07f6 | 2007-10-14 23:04:58 -0400 | [diff] [blame] | 1095 | |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 1096 | /* fileio.c */ |
Theodore Ts'o | a435ec3 | 2003-08-21 00:40:26 -0400 | [diff] [blame] | 1097 | extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, |
| 1098 | struct ext2_inode *inode, |
| 1099 | int flags, ext2_file_t *ret); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1100 | extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 1101 | int flags, ext2_file_t *ret); |
Theodore Ts'o | 79a90bd | 1997-11-03 19:16:55 +0000 | [diff] [blame] | 1102 | extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); |
Renzo Davoli | 6dc058b | 2010-07-10 15:32:46 +0200 | [diff] [blame] | 1103 | struct ext2_inode *ext2fs_file_get_inode(ext2_file_t file); |
Darrick J. Wong | 3ae682b | 2012-02-17 09:56:33 -0500 | [diff] [blame] | 1104 | extern ext2_ino_t ext2fs_file_get_inode_num(ext2_file_t file); |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 1105 | extern errcode_t ext2fs_file_close(ext2_file_t file); |
Theodore Ts'o | f12e285 | 2002-02-20 01:06:25 -0500 | [diff] [blame] | 1106 | extern errcode_t ext2fs_file_flush(ext2_file_t file); |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 1107 | extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, |
Theodore Ts'o | 79a90bd | 1997-11-03 19:16:55 +0000 | [diff] [blame] | 1108 | unsigned int wanted, unsigned int *got); |
Theodore Ts'o | f12e285 | 2002-02-20 01:06:25 -0500 | [diff] [blame] | 1109 | extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, |
Theodore Ts'o | 79a90bd | 1997-11-03 19:16:55 +0000 | [diff] [blame] | 1110 | unsigned int nbytes, unsigned int *written); |
Theodore Ts'o | 819157d | 2003-01-22 18:25:39 -0500 | [diff] [blame] | 1111 | extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, |
| 1112 | int whence, __u64 *ret_pos); |
Theodore Ts'o | 674a4ee | 1998-03-23 02:06:52 +0000 | [diff] [blame] | 1113 | extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, |
| 1114 | int whence, ext2_off_t *ret_pos); |
Theodore Ts'o | 819157d | 2003-01-22 18:25:39 -0500 | [diff] [blame] | 1115 | errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); |
Theodore Ts'o | 79a90bd | 1997-11-03 19:16:55 +0000 | [diff] [blame] | 1116 | extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); |
| 1117 | extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); |
Theodore Ts'o | 27a0e95 | 2010-07-22 09:51:23 -0400 | [diff] [blame] | 1118 | extern errcode_t ext2fs_file_set_size2(ext2_file_t file, ext2_off64_t size); |
Theodore Ts'o | 30fab29 | 1997-10-25 22:37:42 +0000 | [diff] [blame] | 1119 | |
Theodore Ts'o | de23aa1 | 2000-08-19 17:00:47 +0000 | [diff] [blame] | 1120 | /* finddev.c */ |
| 1121 | extern char *ext2fs_find_block_device(dev_t device); |
| 1122 | |
Theodore Ts'o | 4d0f3e1 | 2001-01-11 15:48:50 +0000 | [diff] [blame] | 1123 | /* flushb.c */ |
| 1124 | extern errcode_t ext2fs_sync_device(int fd, int flushb); |
| 1125 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1126 | /* freefs.c */ |
| 1127 | extern void ext2fs_free(ext2_filsys fs); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 1128 | extern void ext2fs_free_dblist(ext2_dblist dblist); |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 1129 | extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); |
| 1130 | extern void ext2fs_u32_list_free(ext2_u32_list bb); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 1131 | |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 1132 | /* gen_bitmap.c */ |
| 1133 | extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1134 | extern errcode_t ext2fs_make_generic_bitmap(errcode_t magic, ext2_filsys fs, |
| 1135 | __u32 start, __u32 end, |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 1136 | __u32 real_end, |
| 1137 | const char *descr, char *init_map, |
| 1138 | ext2fs_generic_bitmap *ret); |
| 1139 | extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, |
| 1140 | __u32 end, |
| 1141 | __u32 real_end, |
| 1142 | const char *descr, |
| 1143 | ext2fs_generic_bitmap *ret); |
| 1144 | extern errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap src, |
| 1145 | ext2fs_generic_bitmap *dest); |
| 1146 | extern void ext2fs_clear_generic_bitmap(ext2fs_generic_bitmap bitmap); |
| 1147 | extern errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap bitmap, |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1148 | errcode_t magic, |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 1149 | errcode_t neq, |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1150 | ext2_ino_t end, |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 1151 | ext2_ino_t *oend); |
| 1152 | extern void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap map); |
Theodore Ts'o | 50448d3 | 2007-07-22 23:42:14 -0400 | [diff] [blame] | 1153 | extern errcode_t ext2fs_resize_generic_bitmap(errcode_t magic, |
| 1154 | __u32 new_end, |
| 1155 | __u32 new_real_end, |
| 1156 | ext2fs_generic_bitmap bmap); |
| 1157 | extern errcode_t ext2fs_compare_generic_bitmap(errcode_t magic, errcode_t neq, |
| 1158 | ext2fs_generic_bitmap bm1, |
| 1159 | ext2fs_generic_bitmap bm2); |
Theodore Ts'o | f1f115a | 2007-07-23 04:32:48 -0400 | [diff] [blame] | 1160 | extern errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap bmap, |
| 1161 | errcode_t magic, |
| 1162 | __u32 start, __u32 num, |
| 1163 | void *out); |
| 1164 | extern errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap bmap, |
| 1165 | errcode_t magic, |
| 1166 | __u32 start, __u32 num, |
| 1167 | void *in); |
Theodore Ts'o | 664c332 | 2012-04-06 11:44:54 -0700 | [diff] [blame] | 1168 | extern errcode_t ext2fs_find_first_zero_generic_bitmap(ext2fs_generic_bitmap bitmap, |
| 1169 | __u32 start, __u32 end, |
| 1170 | __u32 *out); |
Theodore Ts'o | a0553c9 | 2007-07-22 22:59:50 -0400 | [diff] [blame] | 1171 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 1172 | /* gen_bitmap64.c */ |
Lukas Czerner | 9288e3b | 2011-12-16 17:31:07 -0500 | [diff] [blame] | 1173 | |
| 1174 | /* Generate and print bitmap usage statistics */ |
| 1175 | #define BMAP_STATS |
| 1176 | |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 1177 | void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap); |
| 1178 | errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic, |
| 1179 | int type, __u64 start, __u64 end, |
| 1180 | __u64 real_end, |
| 1181 | const char *descr, |
| 1182 | ext2fs_generic_bitmap *ret); |
| 1183 | errcode_t ext2fs_copy_generic_bmap(ext2fs_generic_bitmap src, |
| 1184 | ext2fs_generic_bitmap *dest); |
| 1185 | void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap); |
| 1186 | errcode_t ext2fs_fudge_generic_bmap_end(ext2fs_generic_bitmap bitmap, |
| 1187 | errcode_t neq, |
| 1188 | __u64 end, __u64 *oend); |
| 1189 | void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap); |
| 1190 | errcode_t ext2fs_resize_generic_bmap(ext2fs_generic_bitmap bmap, |
| 1191 | __u64 new_end, |
| 1192 | __u64 new_real_end); |
| 1193 | errcode_t ext2fs_compare_generic_bmap(errcode_t neq, |
| 1194 | ext2fs_generic_bitmap bm1, |
| 1195 | ext2fs_generic_bitmap bm2); |
| 1196 | errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bmap, |
| 1197 | __u64 start, unsigned int num, |
| 1198 | void *out); |
| 1199 | errcode_t ext2fs_set_generic_bmap_range(ext2fs_generic_bitmap bmap, |
| 1200 | __u64 start, unsigned int num, |
| 1201 | void *in); |
Theodore Ts'o | 94968e7 | 2011-06-10 17:55:09 -0400 | [diff] [blame] | 1202 | errcode_t ext2fs_convert_subcluster_bitmap(ext2_filsys fs, |
| 1203 | ext2fs_block_bitmap *bitmap); |
Valerie Aurora Henson | 8f82ef9 | 2009-08-05 00:27:10 -0400 | [diff] [blame] | 1204 | |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 1205 | /* getsize.c */ |
| 1206 | extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, |
| 1207 | blk_t *retblocks); |
Jose R. Santos | beab8de | 2008-08-20 12:34:07 -0500 | [diff] [blame] | 1208 | extern errcode_t ext2fs_get_device_size2(const char *file, int blocksize, |
| 1209 | blk64_t *retblocks); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1210 | |
Theodore Ts'o | 93d5c38 | 2003-05-21 17:28:29 -0400 | [diff] [blame] | 1211 | /* getsectsize.c */ |
Theodore Ts'o | dd0a267 | 2012-05-07 13:25:44 -0400 | [diff] [blame] | 1212 | extern int ext2fs_get_dio_alignment(int fd); |
Theodore Ts'o | 93d5c38 | 2003-05-21 17:28:29 -0400 | [diff] [blame] | 1213 | errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); |
Theodore Ts'o | bb1158b | 2010-05-17 22:31:45 -0400 | [diff] [blame] | 1214 | errcode_t ext2fs_get_device_phys_sectsize(const char *file, int *sectsize); |
Theodore Ts'o | 93d5c38 | 2003-05-21 17:28:29 -0400 | [diff] [blame] | 1215 | |
Theodore Ts'o | 1ca1059 | 2008-04-09 11:39:11 -0400 | [diff] [blame] | 1216 | /* i_block.c */ |
| 1217 | errcode_t ext2fs_iblk_add_blocks(ext2_filsys fs, struct ext2_inode *inode, |
| 1218 | blk64_t num_blocks); |
| 1219 | errcode_t ext2fs_iblk_sub_blocks(ext2_filsys fs, struct ext2_inode *inode, |
| 1220 | blk64_t num_blocks); |
| 1221 | errcode_t ext2fs_iblk_set(ext2_filsys fs, struct ext2_inode *inode, blk64_t b); |
| 1222 | |
Theodore Ts'o | 72ed126 | 2000-11-12 19:32:20 +0000 | [diff] [blame] | 1223 | /* imager.c */ |
| 1224 | extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); |
| 1225 | extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); |
| 1226 | extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); |
| 1227 | extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); |
| 1228 | extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); |
| 1229 | extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); |
| 1230 | |
Theodore Ts'o | dc8ce34 | 2005-01-06 00:04:24 -0500 | [diff] [blame] | 1231 | /* ind_block.c */ |
| 1232 | errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf); |
| 1233 | errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf); |
| 1234 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1235 | /* initialize.c */ |
| 1236 | extern errcode_t ext2fs_initialize(const char *name, int flags, |
| 1237 | struct ext2_super_block *param, |
| 1238 | io_manager manager, ext2_filsys *ret_fs); |
| 1239 | |
Theodore Ts'o | f12e285 | 2002-02-20 01:06:25 -0500 | [diff] [blame] | 1240 | /* icount.c */ |
| 1241 | extern void ext2fs_free_icount(ext2_icount_t icount); |
Theodore Ts'o | 1b9d8cb | 2007-04-06 14:30:39 -0400 | [diff] [blame] | 1242 | extern errcode_t ext2fs_create_icount_tdb(ext2_filsys fs, char *tdb_dir, |
| 1243 | int flags, ext2_icount_t *ret); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1244 | extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, |
Theodore Ts'o | 5443492 | 2003-12-07 01:28:50 -0500 | [diff] [blame] | 1245 | unsigned int size, |
Theodore Ts'o | f12e285 | 2002-02-20 01:06:25 -0500 | [diff] [blame] | 1246 | ext2_icount_t hint, ext2_icount_t *ret); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1247 | extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, |
Theodore Ts'o | 5443492 | 2003-12-07 01:28:50 -0500 | [diff] [blame] | 1248 | unsigned int size, |
Theodore Ts'o | f12e285 | 2002-02-20 01:06:25 -0500 | [diff] [blame] | 1249 | ext2_icount_t *ret); |
| 1250 | extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, |
| 1251 | __u16 *ret); |
| 1252 | extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, |
| 1253 | __u16 *ret); |
| 1254 | extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, |
| 1255 | __u16 *ret); |
| 1256 | extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, |
| 1257 | __u16 count); |
| 1258 | extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); |
| 1259 | errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); |
| 1260 | |
Theodore Ts'o | ab3f5c5 | 2012-09-09 21:35:39 -0400 | [diff] [blame] | 1261 | /* inline.c */ |
| 1262 | |
| 1263 | extern errcode_t ext2fs_get_memalign(unsigned long size, |
| 1264 | unsigned long align, void *ptr); |
| 1265 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1266 | /* inode.c */ |
Theodore Ts'o | 72ed126 | 2000-11-12 19:32:20 +0000 | [diff] [blame] | 1267 | extern errcode_t ext2fs_flush_icache(ext2_filsys fs); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1268 | extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, |
Theodore Ts'o | 7331196 | 2005-01-25 23:42:56 -0500 | [diff] [blame] | 1269 | ext2_ino_t *ino, |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1270 | struct ext2_inode *inode, |
Theodore Ts'o | 7331196 | 2005-01-25 23:42:56 -0500 | [diff] [blame] | 1271 | int bufsize); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1272 | extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, |
| 1273 | ext2_inode_scan *ret_scan); |
| 1274 | extern void ext2fs_close_inode_scan(ext2_inode_scan scan); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1275 | extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1276 | struct ext2_inode *inode); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1277 | extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, |
| 1278 | int group); |
| 1279 | extern void ext2fs_set_inode_callback |
| 1280 | (ext2_inode_scan scan, |
| 1281 | errcode_t (*done_group)(ext2_filsys fs, |
| 1282 | ext2_inode_scan scan, |
| 1283 | dgrp_t group, |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 1284 | void * priv_data), |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1285 | void *done_group_data); |
| 1286 | extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, |
| 1287 | int clear_flags); |
Theodore Ts'o | 7331196 | 2005-01-25 23:42:56 -0500 | [diff] [blame] | 1288 | extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1289 | struct ext2_inode * inode, |
Theodore Ts'o | 7331196 | 2005-01-25 23:42:56 -0500 | [diff] [blame] | 1290 | int bufsize); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1291 | extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1292 | struct ext2_inode * inode); |
Theodore Ts'o | 7331196 | 2005-01-25 23:42:56 -0500 | [diff] [blame] | 1293 | extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1294 | struct ext2_inode * inode, |
Theodore Ts'o | 7331196 | 2005-01-25 23:42:56 -0500 | [diff] [blame] | 1295 | int bufsize); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1296 | extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1297 | struct ext2_inode * inode); |
Theodore Ts'o | 030970e | 2005-03-20 20:05:22 -0500 | [diff] [blame] | 1298 | extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, |
| 1299 | struct ext2_inode * inode); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1300 | extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
| 1301 | extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1302 | |
Theodore Ts'o | f12e285 | 2002-02-20 01:06:25 -0500 | [diff] [blame] | 1303 | /* inode_io.c */ |
| 1304 | extern io_manager inode_io_manager; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1305 | extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, |
Theodore Ts'o | 546a1ff | 2002-03-07 23:52:56 -0500 | [diff] [blame] | 1306 | char **name); |
Theodore Ts'o | a435ec3 | 2003-08-21 00:40:26 -0400 | [diff] [blame] | 1307 | extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, |
| 1308 | struct ext2_inode *inode, |
| 1309 | char **name); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1310 | |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 1311 | /* ismounted.c */ |
| 1312 | extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); |
Theodore Ts'o | 43ec873 | 2001-01-03 14:56:46 +0000 | [diff] [blame] | 1313 | extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, |
| 1314 | char *mtpt, int mtlen); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 1315 | |
Theodore Ts'o | 3adb937 | 2010-07-22 09:37:35 -0400 | [diff] [blame] | 1316 | /* punch.c */ |
Darrick J. Wong | 4ee4ad8 | 2013-10-07 09:51:20 -0400 | [diff] [blame] | 1317 | /* |
| 1318 | * NOTE: This function removes from an inode the blocks "start", "end", and |
| 1319 | * every block in between. |
| 1320 | */ |
Theodore Ts'o | 3adb937 | 2010-07-22 09:37:35 -0400 | [diff] [blame] | 1321 | extern errcode_t ext2fs_punch(ext2_filsys fs, ext2_ino_t ino, |
| 1322 | struct ext2_inode *inode, |
| 1323 | char *block_buf, blk64_t start, |
| 1324 | blk64_t end); |
| 1325 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1326 | /* namei.c */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1327 | extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, |
| 1328 | int namelen, char *buf, ext2_ino_t *inode); |
| 1329 | extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, |
| 1330 | const char *name, ext2_ino_t *inode); |
| 1331 | errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, |
| 1332 | const char *name, ext2_ino_t *inode); |
| 1333 | extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, |
| 1334 | ext2_ino_t inode, ext2_ino_t *res_inode); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 1335 | |
| 1336 | /* native.c */ |
| 1337 | int ext2fs_native_flag(void); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1338 | |
| 1339 | /* newdir.c */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1340 | extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, |
| 1341 | ext2_ino_t parent_ino, char **block); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1342 | |
| 1343 | /* mkdir.c */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1344 | extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1345 | const char *name); |
| 1346 | |
Theodore Ts'o | d3cd93c | 2000-10-24 18:33:16 +0000 | [diff] [blame] | 1347 | /* mkjournal.c */ |
Theodore Ts'o | c860850 | 2008-04-27 16:10:32 -0400 | [diff] [blame] | 1348 | extern errcode_t ext2fs_zero_blocks(ext2_filsys fs, blk_t blk, int num, |
| 1349 | blk_t *ret_blk, int *ret_count); |
Jose R. Santos | 73d0c4c | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 1350 | extern errcode_t ext2fs_zero_blocks2(ext2_filsys fs, blk64_t blk, int num, |
Andreas Dilger | 931b58e | 2011-06-11 12:17:29 -0400 | [diff] [blame] | 1351 | blk64_t *ret_blk, int *ret_count); |
Theodore Ts'o | a112847 | 2001-01-16 06:56:14 +0000 | [diff] [blame] | 1352 | extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, |
Andreas Dilger | 931b58e | 2011-06-11 12:17:29 -0400 | [diff] [blame] | 1353 | __u32 num_blocks, int flags, |
Theodore Ts'o | a112847 | 2001-01-16 06:56:14 +0000 | [diff] [blame] | 1354 | char **ret_jsb); |
| 1355 | extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, |
| 1356 | ext2_filsys journal_dev); |
Andreas Dilger | 931b58e | 2011-06-11 12:17:29 -0400 | [diff] [blame] | 1357 | extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t num_blocks, |
Theodore Ts'o | 31a17b3 | 2001-01-03 13:04:12 +0000 | [diff] [blame] | 1358 | int flags); |
Andreas Dilger | 931b58e | 2011-06-11 12:17:29 -0400 | [diff] [blame] | 1359 | extern int ext2fs_default_journal_size(__u64 num_blocks); |
Theodore Ts'o | d3cd93c | 2000-10-24 18:33:16 +0000 | [diff] [blame] | 1360 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1361 | /* openfs.c */ |
| 1362 | extern errcode_t ext2fs_open(const char *name, int flags, int superblock, |
Theodore Ts'o | 5443492 | 2003-12-07 01:28:50 -0500 | [diff] [blame] | 1363 | unsigned int block_size, io_manager manager, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1364 | ext2_filsys *ret_fs); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1365 | extern errcode_t ext2fs_open2(const char *name, const char *io_options, |
| 1366 | int flags, int superblock, |
Theodore Ts'o | 2e8ca9a | 2004-11-30 14:07:11 -0500 | [diff] [blame] | 1367 | unsigned int block_size, io_manager manager, |
| 1368 | ext2_filsys *ret_fs); |
Jose R. Santos | 4f8d6ab | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 1369 | extern blk64_t ext2fs_descriptor_block_loc2(ext2_filsys fs, |
| 1370 | blk64_t group_block, dgrp_t i); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1371 | extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, |
Theodore Ts'o | c046ac7 | 2002-10-20 00:38:57 -0400 | [diff] [blame] | 1372 | dgrp_t i); |
Theodore Ts'o | 1ad54a9 | 2004-07-28 21:11:48 -0400 | [diff] [blame] | 1373 | errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); |
| 1374 | errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); |
| 1375 | errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1376 | |
| 1377 | /* get_pathname.c */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1378 | extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1379 | char **name); |
| 1380 | |
| 1381 | /* link.c */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1382 | errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, |
| 1383 | ext2_ino_t ino, int flags); |
| 1384 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, |
| 1385 | ext2_ino_t ino, int flags); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1386 | |
Jan Kara | 5084088 | 2013-02-25 05:55:07 +0000 | [diff] [blame] | 1387 | /* symlink.c */ |
| 1388 | errcode_t ext2fs_symlink(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t ino, |
| 1389 | const char *name, char *target); |
| 1390 | |
Andreas Dilger | 0f5eba7 | 2011-09-24 13:48:55 -0400 | [diff] [blame] | 1391 | /* mmp.c */ |
| 1392 | errcode_t ext2fs_mmp_read(ext2_filsys fs, blk64_t mmp_blk, void *buf); |
| 1393 | errcode_t ext2fs_mmp_write(ext2_filsys fs, blk64_t mmp_blk, void *buf); |
| 1394 | errcode_t ext2fs_mmp_clear(ext2_filsys fs); |
| 1395 | errcode_t ext2fs_mmp_init(ext2_filsys fs); |
| 1396 | errcode_t ext2fs_mmp_start(ext2_filsys fs); |
| 1397 | errcode_t ext2fs_mmp_update(ext2_filsys fs); |
| 1398 | errcode_t ext2fs_mmp_stop(ext2_filsys fs); |
Theodore Ts'o | edbfd75 | 2011-10-04 11:20:50 -0400 | [diff] [blame] | 1399 | unsigned ext2fs_mmp_new_seq(void); |
Andreas Dilger | 0f5eba7 | 2011-09-24 13:48:55 -0400 | [diff] [blame] | 1400 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1401 | /* read_bb.c */ |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1402 | extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, |
| 1403 | ext2_badblocks_list *bb_list); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1404 | |
| 1405 | /* read_bb_file.c */ |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1406 | extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 1407 | ext2_badblocks_list *bb_list, |
Theodore Ts'o | 50cd7e0 | 2002-07-14 16:00:50 -0400 | [diff] [blame] | 1408 | void *priv_data, |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 1409 | void (*invalid)(ext2_filsys fs, |
| 1410 | blk_t blk, |
| 1411 | char *badstr, |
Theodore Ts'o | 50cd7e0 | 2002-07-14 16:00:50 -0400 | [diff] [blame] | 1412 | void *priv_data)); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1413 | extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1414 | ext2_badblocks_list *bb_list, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1415 | void (*invalid)(ext2_filsys fs, |
| 1416 | blk_t blk)); |
| 1417 | |
Theodore Ts'o | d323f8f | 2004-12-15 14:39:16 -0500 | [diff] [blame] | 1418 | /* res_gdt.c */ |
| 1419 | extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); |
| 1420 | |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 1421 | /* swapfs.c */ |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1422 | extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, |
Theodore Ts'o | 7331196 | 2005-01-25 23:42:56 -0500 | [diff] [blame] | 1423 | int has_header); |
Andreas Dilger | fefaef3 | 2008-02-02 01:16:32 -0700 | [diff] [blame] | 1424 | extern void ext2fs_swap_ext_attr_header(struct ext2_ext_attr_header *to_header, |
| 1425 | struct ext2_ext_attr_header *from_hdr); |
| 1426 | extern void ext2fs_swap_ext_attr_entry(struct ext2_ext_attr_entry *to_entry, |
| 1427 | struct ext2_ext_attr_entry *from_entry); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 1428 | extern void ext2fs_swap_super(struct ext2_super_block * super); |
| 1429 | extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); |
Theodore Ts'o | cf828f1 | 2009-10-25 21:46:01 -0400 | [diff] [blame] | 1430 | extern void ext2fs_swap_group_desc2(ext2_filsys, struct ext2_group_desc *gdp); |
Theodore Ts'o | 7331196 | 2005-01-25 23:42:56 -0500 | [diff] [blame] | 1431 | extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, |
| 1432 | struct ext2_inode_large *f, int hostorder, |
| 1433 | int bufsize); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 1434 | extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, |
| 1435 | struct ext2_inode *f, int hostorder); |
Andreas Dilger | 0f5eba7 | 2011-09-24 13:48:55 -0400 | [diff] [blame] | 1436 | extern void ext2fs_swap_mmp(struct mmp_struct *mmp); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 1437 | |
Theodore Ts'o | ab3f5c5 | 2012-09-09 21:35:39 -0400 | [diff] [blame] | 1438 | /* unix_io.c */ |
| 1439 | extern int ext2fs_open_file(const char *pathname, int flags, mode_t mode); |
| 1440 | extern int ext2fs_stat(const char *path, ext2fs_struct_stat *buf); |
| 1441 | extern int ext2fs_fstat(int fd, ext2fs_struct_stat *buf); |
| 1442 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1443 | /* valid_blk.c */ |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 1444 | extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); |
Theodore Ts'o | 0c80c44 | 2011-10-16 20:29:00 -0400 | [diff] [blame] | 1445 | extern int ext2fs_inode_has_valid_blocks2(ext2_filsys fs, |
| 1446 | struct ext2_inode *inode); |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 1447 | |
| 1448 | /* version.c */ |
| 1449 | extern int ext2fs_parse_version_string(const char *ver_string); |
| 1450 | extern int ext2fs_get_library_version(const char **ver_string, |
| 1451 | const char **date_string); |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 1452 | |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1453 | /* write_bb_file.c */ |
| 1454 | extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, |
| 1455 | unsigned int flags, |
| 1456 | FILE *f); |
| 1457 | |
| 1458 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1459 | /* inline functions */ |
Theodore Ts'o | ab3f5c5 | 2012-09-09 21:35:39 -0400 | [diff] [blame] | 1460 | #ifdef NO_INLINE_FUNCS |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 1461 | extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); |
Theodore Ts'o | d32c915 | 2011-07-07 13:50:22 -0400 | [diff] [blame] | 1462 | extern errcode_t ext2fs_get_memzero(unsigned long size, void *ptr); |
| 1463 | extern errcode_t ext2fs_get_array(unsigned long count, |
| 1464 | unsigned long size, void *ptr); |
| 1465 | extern errcode_t ext2fs_get_arrayzero(unsigned long count, |
| 1466 | unsigned long size, void *ptr); |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 1467 | extern errcode_t ext2fs_free_mem(void *ptr); |
Theodore Ts'o | 76f875d | 1998-04-27 01:41:13 +0000 | [diff] [blame] | 1468 | extern errcode_t ext2fs_resize_mem(unsigned long old_size, |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 1469 | unsigned long size, void *ptr); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1470 | extern void ext2fs_mark_super_dirty(ext2_filsys fs); |
| 1471 | extern void ext2fs_mark_changed(ext2_filsys fs); |
| 1472 | extern int ext2fs_test_changed(ext2_filsys fs); |
| 1473 | extern void ext2fs_mark_valid(ext2_filsys fs); |
| 1474 | extern void ext2fs_unmark_valid(ext2_filsys fs); |
| 1475 | extern int ext2fs_test_valid(ext2_filsys fs); |
| 1476 | extern void ext2fs_mark_ib_dirty(ext2_filsys fs); |
| 1477 | extern void ext2fs_mark_bb_dirty(ext2_filsys fs); |
| 1478 | extern int ext2fs_test_ib_dirty(ext2_filsys fs); |
| 1479 | extern int ext2fs_test_bb_dirty(ext2_filsys fs); |
| 1480 | extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1481 | extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); |
Eric Sandeen | abf2343 | 2006-09-12 14:56:16 -0400 | [diff] [blame] | 1482 | extern blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group); |
| 1483 | extern blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group); |
Theodore Ts'o | 0684a4f | 2002-08-17 10:19:44 -0400 | [diff] [blame] | 1484 | extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
| 1485 | struct ext2_inode *inode); |
Theodore Ts'o | 69022e0 | 2006-08-30 01:57:00 -0400 | [diff] [blame] | 1486 | extern unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b); |
Jose R. Santos | 743011f | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 1487 | extern __u64 ext2fs_div64_ceil(__u64 a, __u64 b); |
Theodore Ts'o | ab3f5c5 | 2012-09-09 21:35:39 -0400 | [diff] [blame] | 1488 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1489 | |
| 1490 | /* |
| 1491 | * The actual inlined functions definitions themselves... |
| 1492 | * |
| 1493 | * If NO_INLINE_FUNCS is defined, then we won't try to do inline |
| 1494 | * functions at all! |
| 1495 | */ |
| 1496 | #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) |
| 1497 | #ifdef INCLUDE_INLINE_FUNCS |
| 1498 | #define _INLINE_ extern |
| 1499 | #else |
Theodore Ts'o | ab3f5c5 | 2012-09-09 21:35:39 -0400 | [diff] [blame] | 1500 | #if (__STDC_VERSION__ >= 199901L) |
| 1501 | #define _INLINE_ inline |
| 1502 | #else |
Theodore Ts'o | 76f875d | 1998-04-27 01:41:13 +0000 | [diff] [blame] | 1503 | #ifdef __GNUC__ |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1504 | #define _INLINE_ extern __inline__ |
Theodore Ts'o | 76f875d | 1998-04-27 01:41:13 +0000 | [diff] [blame] | 1505 | #else /* For Watcom C */ |
| 1506 | #define _INLINE_ extern inline |
Theodore Ts'o | ab3f5c5 | 2012-09-09 21:35:39 -0400 | [diff] [blame] | 1507 | #endif /* __GNUC__ */ |
| 1508 | #endif /* __STDC_VERSION__ >= 199901L */ |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1509 | #endif |
| 1510 | |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1511 | #ifndef EXT2_CUSTOM_MEMORY_ROUTINES |
Matthias Andree | 68a7f95 | 2005-09-06 05:59:52 -0400 | [diff] [blame] | 1512 | #include <string.h> |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1513 | /* |
| 1514 | * Allocate memory |
| 1515 | */ |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 1516 | _INLINE_ errcode_t ext2fs_get_mem(unsigned long size, void *ptr) |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1517 | { |
Theodore Ts'o | 2694f31 | 2006-11-14 00:34:34 -0500 | [diff] [blame] | 1518 | void *pp; |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 1519 | |
Theodore Ts'o | 2694f31 | 2006-11-14 00:34:34 -0500 | [diff] [blame] | 1520 | pp = malloc(size); |
| 1521 | if (!pp) |
Theodore Ts'o | 291c904 | 1997-10-31 06:17:08 +0000 | [diff] [blame] | 1522 | return EXT2_ET_NO_MEMORY; |
Theodore Ts'o | 2694f31 | 2006-11-14 00:34:34 -0500 | [diff] [blame] | 1523 | memcpy(ptr, &pp, sizeof (pp)); |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1524 | return 0; |
| 1525 | } |
Theodore Ts'o | e5aace9 | 2007-12-27 10:08:13 -0500 | [diff] [blame] | 1526 | |
Lukas Czerner | ffec46f | 2011-05-18 14:19:52 +0200 | [diff] [blame] | 1527 | _INLINE_ errcode_t ext2fs_get_memzero(unsigned long size, void *ptr) |
| 1528 | { |
| 1529 | void *pp; |
| 1530 | |
| 1531 | pp = malloc(size); |
| 1532 | if (!pp) |
| 1533 | return EXT2_ET_NO_MEMORY; |
| 1534 | memset(pp, 0, size); |
| 1535 | memcpy(ptr, &pp, sizeof(pp)); |
| 1536 | return 0; |
| 1537 | } |
| 1538 | |
Theodore Ts'o | ee01079 | 2007-11-09 19:01:06 -0500 | [diff] [blame] | 1539 | _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr) |
| 1540 | { |
| 1541 | if (count && (-1UL)/count<size) |
Lukas Czerner | ffec46f | 2011-05-18 14:19:52 +0200 | [diff] [blame] | 1542 | return EXT2_ET_NO_MEMORY; |
Theodore Ts'o | ee01079 | 2007-11-09 19:01:06 -0500 | [diff] [blame] | 1543 | return ext2fs_get_mem(count*size, ptr); |
| 1544 | } |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1545 | |
Lukas Czerner | ffec46f | 2011-05-18 14:19:52 +0200 | [diff] [blame] | 1546 | _INLINE_ errcode_t ext2fs_get_arrayzero(unsigned long count, |
| 1547 | unsigned long size, void *ptr) |
| 1548 | { |
| 1549 | void *pp; |
| 1550 | |
| 1551 | if (count && (-1UL)/count<size) |
| 1552 | return EXT2_ET_NO_MEMORY; |
| 1553 | pp = calloc(count, size); |
| 1554 | if (!pp) |
| 1555 | return EXT2_ET_NO_MEMORY; |
| 1556 | memcpy(ptr, &pp, sizeof(pp)); |
| 1557 | return 0; |
| 1558 | } |
| 1559 | |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1560 | /* |
| 1561 | * Free memory |
| 1562 | */ |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 1563 | _INLINE_ errcode_t ext2fs_free_mem(void *ptr) |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1564 | { |
Theodore Ts'o | 2694f31 | 2006-11-14 00:34:34 -0500 | [diff] [blame] | 1565 | void *p; |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 1566 | |
Theodore Ts'o | 2694f31 | 2006-11-14 00:34:34 -0500 | [diff] [blame] | 1567 | memcpy(&p, ptr, sizeof(p)); |
| 1568 | free(p); |
| 1569 | p = 0; |
| 1570 | memcpy(ptr, &p, sizeof(p)); |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1571 | return 0; |
| 1572 | } |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 1573 | |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1574 | /* |
| 1575 | * Resize memory |
| 1576 | */ |
Theodore Ts'o | e47fd84 | 2004-02-21 21:04:30 -0500 | [diff] [blame] | 1577 | _INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 1578 | unsigned long size, void *ptr) |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1579 | { |
| 1580 | void *p; |
| 1581 | |
Stephen Tweedie | 39c191f | 2005-06-27 11:47:21 -0400 | [diff] [blame] | 1582 | /* Use "memcpy" for pointer assignments here to avoid problems |
| 1583 | * with C99 strict type aliasing rules. */ |
Theodore Ts'o | 2694f31 | 2006-11-14 00:34:34 -0500 | [diff] [blame] | 1584 | memcpy(&p, ptr, sizeof(p)); |
Stephen Tweedie | 39c191f | 2005-06-27 11:47:21 -0400 | [diff] [blame] | 1585 | p = realloc(p, size); |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1586 | if (!p) |
Theodore Ts'o | 291c904 | 1997-10-31 06:17:08 +0000 | [diff] [blame] | 1587 | return EXT2_ET_NO_MEMORY; |
Theodore Ts'o | 2694f31 | 2006-11-14 00:34:34 -0500 | [diff] [blame] | 1588 | memcpy(ptr, &p, sizeof(p)); |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 1589 | return 0; |
| 1590 | } |
| 1591 | #endif /* Custom memory routines */ |
| 1592 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1593 | /* |
| 1594 | * Mark a filesystem superblock as dirty |
| 1595 | */ |
| 1596 | _INLINE_ void ext2fs_mark_super_dirty(ext2_filsys fs) |
| 1597 | { |
| 1598 | fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; |
| 1599 | } |
| 1600 | |
| 1601 | /* |
| 1602 | * Mark a filesystem as changed |
| 1603 | */ |
| 1604 | _INLINE_ void ext2fs_mark_changed(ext2_filsys fs) |
| 1605 | { |
| 1606 | fs->flags |= EXT2_FLAG_CHANGED; |
| 1607 | } |
| 1608 | |
| 1609 | /* |
| 1610 | * Check to see if a filesystem has changed |
| 1611 | */ |
| 1612 | _INLINE_ int ext2fs_test_changed(ext2_filsys fs) |
| 1613 | { |
| 1614 | return (fs->flags & EXT2_FLAG_CHANGED); |
| 1615 | } |
| 1616 | |
| 1617 | /* |
| 1618 | * Mark a filesystem as valid |
| 1619 | */ |
| 1620 | _INLINE_ void ext2fs_mark_valid(ext2_filsys fs) |
| 1621 | { |
| 1622 | fs->flags |= EXT2_FLAG_VALID; |
| 1623 | } |
| 1624 | |
| 1625 | /* |
| 1626 | * Mark a filesystem as NOT valid |
| 1627 | */ |
| 1628 | _INLINE_ void ext2fs_unmark_valid(ext2_filsys fs) |
| 1629 | { |
| 1630 | fs->flags &= ~EXT2_FLAG_VALID; |
| 1631 | } |
| 1632 | |
| 1633 | /* |
| 1634 | * Check to see if a filesystem is valid |
| 1635 | */ |
| 1636 | _INLINE_ int ext2fs_test_valid(ext2_filsys fs) |
| 1637 | { |
| 1638 | return (fs->flags & EXT2_FLAG_VALID); |
| 1639 | } |
| 1640 | |
| 1641 | /* |
| 1642 | * Mark the inode bitmap as dirty |
| 1643 | */ |
| 1644 | _INLINE_ void ext2fs_mark_ib_dirty(ext2_filsys fs) |
| 1645 | { |
| 1646 | fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; |
| 1647 | } |
| 1648 | |
| 1649 | /* |
| 1650 | * Mark the block bitmap as dirty |
| 1651 | */ |
| 1652 | _INLINE_ void ext2fs_mark_bb_dirty(ext2_filsys fs) |
| 1653 | { |
| 1654 | fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; |
| 1655 | } |
| 1656 | |
| 1657 | /* |
| 1658 | * Check to see if a filesystem's inode bitmap is dirty |
| 1659 | */ |
| 1660 | _INLINE_ int ext2fs_test_ib_dirty(ext2_filsys fs) |
| 1661 | { |
| 1662 | return (fs->flags & EXT2_FLAG_IB_DIRTY); |
| 1663 | } |
| 1664 | |
| 1665 | /* |
| 1666 | * Check to see if a filesystem's block bitmap is dirty |
| 1667 | */ |
| 1668 | _INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs) |
| 1669 | { |
| 1670 | return (fs->flags & EXT2_FLAG_BB_DIRTY); |
| 1671 | } |
| 1672 | |
| 1673 | /* |
| 1674 | * Return the group # of a block |
| 1675 | */ |
| 1676 | _INLINE_ int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) |
| 1677 | { |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 1678 | return ext2fs_group_of_blk2(fs, blk); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1679 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1680 | /* |
| 1681 | * Return the group # of an inode number |
| 1682 | */ |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 1683 | _INLINE_ int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1684 | { |
| 1685 | return (ino - 1) / fs->super->s_inodes_per_group; |
| 1686 | } |
Theodore Ts'o | 0684a4f | 2002-08-17 10:19:44 -0400 | [diff] [blame] | 1687 | |
Eric Sandeen | abf2343 | 2006-09-12 14:56:16 -0400 | [diff] [blame] | 1688 | /* |
| 1689 | * Return the first block (inclusive) in a group |
| 1690 | */ |
| 1691 | _INLINE_ blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group) |
| 1692 | { |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 1693 | return ext2fs_group_first_block2(fs, group); |
Eric Sandeen | abf2343 | 2006-09-12 14:56:16 -0400 | [diff] [blame] | 1694 | } |
| 1695 | |
| 1696 | /* |
| 1697 | * Return the last block (inclusive) in a group |
| 1698 | */ |
| 1699 | _INLINE_ blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group) |
| 1700 | { |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 1701 | return ext2fs_group_last_block2(fs, group); |
Eric Sandeen | abf2343 | 2006-09-12 14:56:16 -0400 | [diff] [blame] | 1702 | } |
| 1703 | |
Theodore Ts'o | 0684a4f | 2002-08-17 10:19:44 -0400 | [diff] [blame] | 1704 | _INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
| 1705 | struct ext2_inode *inode) |
| 1706 | { |
Jose R. Santos | e3854b3 | 2009-06-06 15:22:43 -0400 | [diff] [blame] | 1707 | return ext2fs_inode_data_blocks2(fs, inode); |
Theodore Ts'o | 0684a4f | 2002-08-17 10:19:44 -0400 | [diff] [blame] | 1708 | } |
Theodore Ts'o | 69022e0 | 2006-08-30 01:57:00 -0400 | [diff] [blame] | 1709 | |
| 1710 | /* |
| 1711 | * This is an efficient, overflow safe way of calculating ceil((1.0 * a) / b) |
| 1712 | */ |
| 1713 | _INLINE_ unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b) |
| 1714 | { |
| 1715 | if (!a) |
| 1716 | return 0; |
| 1717 | return ((a - 1) / b) + 1; |
| 1718 | } |
Jose R. Santos | 743011f | 2009-06-01 16:15:40 -0400 | [diff] [blame] | 1719 | |
| 1720 | _INLINE_ __u64 ext2fs_div64_ceil(__u64 a, __u64 b) |
| 1721 | { |
| 1722 | if (!a) |
| 1723 | return 0; |
| 1724 | return ((a - 1) / b) + 1; |
| 1725 | } |
| 1726 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1727 | #undef _INLINE_ |
| 1728 | #endif |
| 1729 | |
Theodore Ts'o | fa7ef71 | 2000-05-19 02:11:41 +0000 | [diff] [blame] | 1730 | #ifdef __cplusplus |
| 1731 | } |
| 1732 | #endif |
| 1733 | |
Theodore Ts'o | 9abd2ce | 1998-02-16 22:00:37 +0000 | [diff] [blame] | 1734 | #endif /* _EXT2FS_EXT2FS_H */ |