1/*-
2 * Copyright (c) 2009 Aditya Sarawgi
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
| 1/*-
2 * Copyright (c) 2009 Aditya Sarawgi
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
|
27 */
28
29#ifndef _FS_EXT2FS_EXT2_DINODE_H_
30#define _FS_EXT2FS_EXT2_DINODE_H_
31
32#define e2di_size_high e2di_dacl
33
34/*
35 * Special inode numbers
36 * The root inode is the root of the file system. Inode 0 can't be used for
37 * normal purposes and bad blocks are normally linked to inode 1, thus
38 * the root inode is 2.
39 * Inode 3 to 10 are reserved in ext2fs.
40 */
41#define EXT2_BADBLKINO ((ino_t)1)
42#define EXT2_ROOTINO ((ino_t)2)
43#define EXT2_ACLIDXINO ((ino_t)3)
44#define EXT2_ACLDATAINO ((ino_t)4)
45#define EXT2_BOOTLOADERINO ((ino_t)5)
46#define EXT2_UNDELDIRINO ((ino_t)6)
47#define EXT2_RESIZEINO ((ino_t)7)
48#define EXT2_JOURNALINO ((ino_t)8)
49#define EXT2_FIRSTINO ((ino_t)11)
50
51/*
52 * Inode flags
53 * The current implementation uses only EXT2_IMMUTABLE and EXT2_APPEND flags
54 */
55#define EXT2_SECRM 0x00000001 /* Secure deletion */
56#define EXT2_UNRM 0x00000002 /* Undelete */
57#define EXT2_COMPR 0x00000004 /* Compress file */
58#define EXT2_SYNC 0x00000008 /* Synchronous updates */
59#define EXT2_IMMUTABLE 0x00000010 /* Immutable file */
60#define EXT2_APPEND 0x00000020 /* writes to file may only append */
61#define EXT2_NODUMP 0x00000040 /* do not dump file */
62#define EXT2_NOATIME 0x00000080 /* do not update atime */
63
64
65/*
66 * Structure of an inode on the disk
67 */
68struct ext2fs_dinode {
| 27 */
28
29#ifndef _FS_EXT2FS_EXT2_DINODE_H_
30#define _FS_EXT2FS_EXT2_DINODE_H_
31
32#define e2di_size_high e2di_dacl
33
34/*
35 * Special inode numbers
36 * The root inode is the root of the file system. Inode 0 can't be used for
37 * normal purposes and bad blocks are normally linked to inode 1, thus
38 * the root inode is 2.
39 * Inode 3 to 10 are reserved in ext2fs.
40 */
41#define EXT2_BADBLKINO ((ino_t)1)
42#define EXT2_ROOTINO ((ino_t)2)
43#define EXT2_ACLIDXINO ((ino_t)3)
44#define EXT2_ACLDATAINO ((ino_t)4)
45#define EXT2_BOOTLOADERINO ((ino_t)5)
46#define EXT2_UNDELDIRINO ((ino_t)6)
47#define EXT2_RESIZEINO ((ino_t)7)
48#define EXT2_JOURNALINO ((ino_t)8)
49#define EXT2_FIRSTINO ((ino_t)11)
50
51/*
52 * Inode flags
53 * The current implementation uses only EXT2_IMMUTABLE and EXT2_APPEND flags
54 */
55#define EXT2_SECRM 0x00000001 /* Secure deletion */
56#define EXT2_UNRM 0x00000002 /* Undelete */
57#define EXT2_COMPR 0x00000004 /* Compress file */
58#define EXT2_SYNC 0x00000008 /* Synchronous updates */
59#define EXT2_IMMUTABLE 0x00000010 /* Immutable file */
60#define EXT2_APPEND 0x00000020 /* writes to file may only append */
61#define EXT2_NODUMP 0x00000040 /* do not dump file */
62#define EXT2_NOATIME 0x00000080 /* do not update atime */
63
64
65/*
66 * Structure of an inode on the disk
67 */
68struct ext2fs_dinode {
|
69 u_int16_t e2di_mode; /* 0: IFMT, permissions; see below. */
70 u_int16_t e2di_uid; /* 2: Owner UID */
71 u_int32_t e2di_size; /* 4: Size (in bytes) */
72 u_int32_t e2di_atime; /* 8: Access time */
73 u_int32_t e2di_ctime; /* 12: Create time */
74 u_int32_t e2di_mtime; /* 16: Modification time */
75 u_int32_t e2di_dtime; /* 20: Deletion time */
76 u_int16_t e2di_gid; /* 24: Owner GID */
77 u_int16_t e2di_nlink; /* 26: File link count */
78 u_int32_t e2di_nblock; /* 28: Blocks count */
79 u_int32_t e2di_flags; /* 32: Status flags (chflags) */
80 u_int32_t e2di_linux_reserved1; /* 36 */
81 u_int32_t e2di_blocks[EXT2_N_BLOCKS]; /* 40: disk blocks */
82 u_int32_t e2di_gen; /* 100: generation number */
83 u_int32_t e2di_facl; /* 104: file ACL (not implemented) */
84 u_int32_t e2di_dacl; /* 108: dir ACL (not implemented) */
85 u_int32_t e2di_faddr; /* 112: fragment address */
86 u_int8_t e2di_nfrag; /* 116: fragment number */
87 u_int8_t e2di_fsize; /* 117: fragment size */
88 u_int16_t e2di_linux_reserved2; /* 118 */
89 u_int16_t e2di_uid_high; /* 120: Owner UID top 16 bits */
90 u_int16_t e2di_gid_high; /* 122: Owner GID top 16 bits */
91 u_int32_t e2di_linux_reserved3; /* 124 */
| 69 uint16_t e2di_mode; /* 0: IFMT, permissions; see below. */
70 uint16_t e2di_uid; /* 2: Owner UID */
71 uint32_t e2di_size; /* 4: Size (in bytes) */
72 uint32_t e2di_atime; /* 8: Access time */
73 uint32_t e2di_ctime; /* 12: Create time */
74 uint32_t e2di_mtime; /* 16: Modification time */
75 uint32_t e2di_dtime; /* 20: Deletion time */
76 uint16_t e2di_gid; /* 24: Owner GID */
77 uint16_t e2di_nlink; /* 26: File link count */
78 uint32_t e2di_nblock; /* 28: Blocks count */
79 uint32_t e2di_flags; /* 32: Status flags (chflags) */
80 uint32_t e2di_linux_reserved1; /* 36 */
81 uint32_t e2di_blocks[EXT2_N_BLOCKS]; /* 40: disk blocks */
82 uint32_t e2di_gen; /* 100: generation number */
83 uint32_t e2di_facl; /* 104: file ACL (not implemented) */
84 uint32_t e2di_dacl; /* 108: dir ACL (not implemented) */
85 uint32_t e2di_faddr; /* 112: fragment address */
86 uint8_t e2di_nfrag; /* 116: fragment number */
87 uint8_t e2di_fsize; /* 117: fragment size */
88 uint16_t e2di_linux_reserved2; /* 118 */
89 uint16_t e2di_uid_high; /* 120: Owner UID top 16 bits */
90 uint16_t e2di_gid_high; /* 122: Owner GID top 16 bits */
91 uint32_t e2di_linux_reserved3; /* 124 */
|