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 * 26 * $FreeBSD$ 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 * Inode flags 36 * The current implementation uses only EXT2_IMMUTABLE and EXT2_APPEND flags 37 */ 38 #define EXT2_SECRM 0x00000001 /* Secure deletion */ 39 #define EXT2_UNRM 0x00000002 /* Undelete */ 40 #define EXT2_COMPR 0x00000004 /* Compress file */ 41 #define EXT2_SYNC 0x00000008 /* Synchronous updates */ 42 #define EXT2_IMMUTABLE 0x00000010 /* Immutable file */ 43 #define EXT2_APPEND 0x00000020 /* writes to file may only append */ 44 #define EXT2_NODUMP 0x00000040 /* do not dump file */ 45 #define EXT2_NOATIME 0x00000080 /* do not update atime */ 46 47 48 /* 49 * Structure of an inode on the disk 50 */ 51 struct ext2fs_dinode { 52 u_int16_t e2di_mode; /* 0: IFMT, permissions; see below. */ 53 u_int16_t e2di_uid; /* 2: Owner UID */ 54 u_int32_t e2di_size; /* 4: Size (in bytes) */ 55 u_int32_t e2di_atime; /* 8: Access time */ 56 u_int32_t e2di_ctime; /* 12: Create time */ 57 u_int32_t e2di_mtime; /* 16: Modification time */ 58 u_int32_t e2di_dtime; /* 20: Deletion time */ 59 u_int16_t e2di_gid; /* 24: Owner GID */ 60 u_int16_t e2di_nlink; /* 26: File link count */ 61 u_int32_t e2di_nblock; /* 28: Blocks count */ 62 u_int32_t e2di_flags; /* 32: Status flags (chflags) */ 63 u_int32_t e2di_linux_reserved1; /* 36 */ 64 u_int32_t e2di_blocks[EXT2_N_BLOCKS]; /* 40: disk blocks */ 65 u_int32_t e2di_gen; /* 100: generation number */ 66 u_int32_t e2di_facl; /* 104: file ACL (not implemented) */ 67 u_int32_t e2di_dacl; /* 108: dir ACL (not implemented) */ 68 u_int32_t e2di_faddr; /* 112: fragment address */ 69 u_int8_t e2di_nfrag; /* 116: fragment number */ 70 u_int8_t e2di_fsize; /* 117: fragment size */ 71 u_int16_t e2di_linux_reserved2; /* 118 */ 72 u_int16_t e2di_uid_high; /* 120: Owner UID top 16 bits */ 73 u_int16_t e2di_gid_high; /* 122: Owner GID top 16 bits */ 74 u_int32_t e2di_linux_reserved3; /* 124 */ 75 }; 76 77 #endif /* _FS_EXT2FS_EXT2_DINODE_H_ */ 78 79