ext2_dinode.h revision 221126
1139804Simp/*- 22729Sdfr * Copyright (c) 2009 Aditya Sarawgi 32729Sdfr * All rights reserved. 42729Sdfr * 52729Sdfr * Redistribution and use in source and binary forms, with or without 62729Sdfr * modification, are permitted provided that the following conditions 72729Sdfr * are met: 82729Sdfr * 1. Redistributions of source code must retain the above copyright 92729Sdfr * notice, this list of conditions and the following disclaimer. 102729Sdfr * 2. Redistributions in binary form must reproduce the above copyright 112729Sdfr * notice, this list of conditions and the following disclaimer in the 122729Sdfr * documentation and/or other materials provided with the distribution. 132729Sdfr * 142729Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 152729Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 162729Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 172729Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 182729Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19140614Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20140614Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21140614Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22140614Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23140614Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24140614Srwatson * SUCH DAMAGE. 25140614Srwatson * 26140614Srwatson * $FreeBSD: head/sys/fs/ext2fs/ext2_dinode.h 221126 2011-04-27 18:15:34Z jhb $ 27140614Srwatson */ 28140614Srwatson 29140614Srwatson#ifndef _FS_EXT2FS_EXT2_DINODE_H_ 30140614Srwatson#define _FS_EXT2FS_EXT2_DINODE_H_ 31140614Srwatson 32140614Srwatson#define e2di_size_high e2di_dacl 33140614Srwatson 34140614Srwatson/* 35140614Srwatson * Special inode numbers 36140614Srwatson * The root inode is the root of the file system. Inode 0 can't be used for 37140614Srwatson * normal purposes and bad blocks are normally linked to inode 1, thus 38140614Srwatson * the root inode is 2. 39140614Srwatson * Inode 3 to 10 are reserved in ext2fs. 40140614Srwatson */ 41140614Srwatson#define EXT2_BADBLKINO ((ino_t)1) 42140614Srwatson#define EXT2_ROOTINO ((ino_t)2) 43140614Srwatson#define EXT2_ACLIDXINO ((ino_t)3) 44140614Srwatson#define EXT2_ACLDATAINO ((ino_t)4) 45140614Srwatson#define EXT2_BOOTLOADERINO ((ino_t)5) 46140614Srwatson#define EXT2_UNDELDIRINO ((ino_t)6) 47140614Srwatson#define EXT2_RESIZEINO ((ino_t)7) 48140614Srwatson#define EXT2_JOURNALINO ((ino_t)8) 492729Sdfr#define EXT2_FIRSTINO ((ino_t)11) 50116182Sobrien 51116182Sobrien/* 52116182Sobrien * Inode flags 5359839Speter * The current implementation uses only EXT2_IMMUTABLE and EXT2_APPEND flags 54140614Srwatson */ 5559839Speter#define EXT2_SECRM 0x00000001 /* Secure deletion */ 562729Sdfr#define EXT2_UNRM 0x00000002 /* Undelete */ 572729Sdfr#define EXT2_COMPR 0x00000004 /* Compress file */ 5811626Sbde#define EXT2_SYNC 0x00000008 /* Synchronous updates */ 592729Sdfr#define EXT2_IMMUTABLE 0x00000010 /* Immutable file */ 60164033Srwatson#define EXT2_APPEND 0x00000020 /* writes to file may only append */ 612729Sdfr#define EXT2_NODUMP 0x00000040 /* do not dump file */ 6282607Sdillon#define EXT2_NOATIME 0x00000080 /* do not update atime */ 6382607Sdillon 64129882Sphk 652729Sdfr/* 6669449Salfred * Structure of an inode on the disk 67140839Ssobomax */ 6811626Sbdestruct ext2fs_dinode { 6959839Speter uint16_t e2di_mode; /* 0: IFMT, permissions; see below. */ 7059839Speter uint16_t e2di_uid; /* 2: Owner UID */ 7168024Srwatson uint32_t e2di_size; /* 4: Size (in bytes) */ 722729Sdfr uint32_t e2di_atime; /* 8: Access time */ 73163606Srwatson uint32_t e2di_ctime; /* 12: Create time */ 74163606Srwatson uint32_t e2di_mtime; /* 16: Modification time */ 7559839Speter uint32_t e2di_dtime; /* 20: Deletion time */ 7659839Speter uint16_t e2di_gid; /* 24: Owner GID */ 7792723Salfred uint16_t e2di_nlink; /* 26: File link count */ 7892723Salfred uint32_t e2di_nblock; /* 28: Blocks count */ 7992723Salfred uint32_t e2di_flags; /* 32: Status flags (chflags) */ 8010358Sjulian uint32_t e2di_linux_reserved1; /* 36 */ 81100523Salfred uint32_t e2di_blocks[EXT2_N_BLOCKS]; /* 40: disk blocks */ 82100523Salfred uint32_t e2di_gen; /* 100: generation number */ 83100523Salfred uint32_t e2di_facl; /* 104: file ACL (not implemented) */ 84100523Salfred uint32_t e2di_dacl; /* 108: dir ACL (not implemented) */ 85100523Salfred uint32_t e2di_faddr; /* 112: fragment address */ 862729Sdfr uint8_t e2di_nfrag; /* 116: fragment number */ 8792723Salfred uint8_t e2di_fsize; /* 117: fragment size */ 882729Sdfr uint16_t e2di_linux_reserved2; /* 118 */ 8911626Sbde uint16_t e2di_uid_high; /* 120: Owner UID top 16 bits */ 9012819Sphk uint16_t e2di_gid_high; /* 122: Owner GID top 16 bits */ 9111626Sbde uint32_t e2di_linux_reserved3; /* 124 */ 9211626Sbde}; 9311626Sbde 942729Sdfr#endif /* !_FS_EXT2FS_EXT2_DINODE_H_ */ 9559839Speter 9659839Speter