ext2_dinode.h revision 217585
1202283Slulf/*- 2202283Slulf * Copyright (c) 2009 Aditya Sarawgi 3202283Slulf * All rights reserved. 4202283Slulf * 5202283Slulf * Redistribution and use in source and binary forms, with or without 6202283Slulf * modification, are permitted provided that the following conditions 7202283Slulf * are met: 8202283Slulf * 1. Redistributions of source code must retain the above copyright 9202283Slulf * notice, this list of conditions and the following disclaimer. 10202283Slulf * 2. Redistributions in binary form must reproduce the above copyright 11202283Slulf * notice, this list of conditions and the following disclaimer in the 12202283Slulf * documentation and/or other materials provided with the distribution. 13202283Slulf * 14202283Slulf * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15202283Slulf * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16202283Slulf * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17202283Slulf * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18202283Slulf * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19202283Slulf * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20202283Slulf * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21202283Slulf * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22202283Slulf * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23202283Slulf * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24202283Slulf * SUCH DAMAGE. 25202283Slulf * 26202283Slulf * $FreeBSD: head/sys/fs/ext2fs/ext2_dinode.h 217585 2011-01-19 16:55:32Z jhb $ 27202283Slulf */ 28202283Slulf 29202283Slulf#ifndef _FS_EXT2FS_EXT2_DINODE_H_ 30202283Slulf#define _FS_EXT2FS_EXT2_DINODE_H_ 31202283Slulf 32202283Slulf#define e2di_size_high e2di_dacl 33202283Slulf 34202283Slulf/* 35202283Slulf * Inode flags 36202283Slulf * The current implementation uses only EXT2_IMMUTABLE and EXT2_APPEND flags 37202283Slulf */ 38202283Slulf#define EXT2_SECRM 0x00000001 /* Secure deletion */ 39202283Slulf#define EXT2_UNRM 0x00000002 /* Undelete */ 40202283Slulf#define EXT2_COMPR 0x00000004 /* Compress file */ 41202283Slulf#define EXT2_SYNC 0x00000008 /* Synchronous updates */ 42202283Slulf#define EXT2_IMMUTABLE 0x00000010 /* Immutable file */ 43202283Slulf#define EXT2_APPEND 0x00000020 /* writes to file may only append */ 44202283Slulf#define EXT2_NODUMP 0x00000040 /* do not dump file */ 45202283Slulf#define EXT2_NOATIME 0x00000080 /* do not update atime */ 46202283Slulf 47202283Slulf 48202283Slulf/* 49202283Slulf * Structure of an inode on the disk 50202283Slulf */ 51202283Slulfstruct ext2fs_dinode { 52202283Slulf u_int16_t e2di_mode; /* 0: IFMT, permissions; see below. */ 53202283Slulf u_int16_t e2di_uid; /* 2: Owner UID */ 54202283Slulf u_int32_t e2di_size; /* 4: Size (in bytes) */ 55202283Slulf u_int32_t e2di_atime; /* 8: Access time */ 56202283Slulf u_int32_t e2di_ctime; /* 12: Create time */ 57202283Slulf u_int32_t e2di_mtime; /* 16: Modification time */ 58202283Slulf u_int32_t e2di_dtime; /* 20: Deletion time */ 59202283Slulf u_int16_t e2di_gid; /* 24: Owner GID */ 60202283Slulf u_int16_t e2di_nlink; /* 26: File link count */ 61202283Slulf u_int32_t e2di_nblock; /* 28: Blocks count */ 62202283Slulf u_int32_t e2di_flags; /* 32: Status flags (chflags) */ 63202283Slulf u_int32_t e2di_linux_reserved1; /* 36 */ 64202283Slulf u_int32_t e2di_blocks[EXT2_N_BLOCKS]; /* 40: disk blocks */ 65202283Slulf u_int32_t e2di_gen; /* 100: generation number */ 66202283Slulf u_int32_t e2di_facl; /* 104: file ACL (not implemented) */ 67202283Slulf u_int32_t e2di_dacl; /* 108: dir ACL (not implemented) */ 68202283Slulf u_int32_t e2di_faddr; /* 112: fragment address */ 69202283Slulf u_int8_t e2di_nfrag; /* 116: fragment number */ 70202283Slulf u_int8_t e2di_fsize; /* 117: fragment size */ 71202283Slulf u_int16_t e2di_linux_reserved2; /* 118 */ 72202283Slulf u_int16_t e2di_uid_high; /* 120: Owner UID top 16 bits */ 73202283Slulf u_int16_t e2di_gid_high; /* 122: Owner GID top 16 bits */ 74202283Slulf u_int32_t e2di_linux_reserved3; /* 124 */ 75202283Slulf}; 76202283Slulf 77217585Sjhb#endif /* !_FS_EXT2FS_EXT2_DINODE_H_ */ 78202283Slulf 79