cd2895aab0
NetBSD. - Add a constant for the HASJOURNAL compat flag. PR: kern/153584 Submitted by: Pedro F. Giffuni giffunip at yahoo
96 lines
3.8 KiB
C
Executable File
96 lines
3.8 KiB
C
Executable File
/*-
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* Copyright (c) 2009 Aditya Sarawgi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _FS_EXT2FS_EXT2_DINODE_H_
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#define _FS_EXT2FS_EXT2_DINODE_H_
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#define e2di_size_high e2di_dacl
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/*
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* Special inode numbers
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* The root inode is the root of the file system. Inode 0 can't be used for
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* normal purposes and bad blocks are normally linked to inode 1, thus
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* the root inode is 2.
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* Inode 3 to 10 are reserved in ext2fs.
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*/
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#define EXT2_BADBLKINO ((ino_t)1)
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#define EXT2_ROOTINO ((ino_t)2)
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#define EXT2_ACLIDXINO ((ino_t)3)
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#define EXT2_ACLDATAINO ((ino_t)4)
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#define EXT2_BOOTLOADERINO ((ino_t)5)
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#define EXT2_UNDELDIRINO ((ino_t)6)
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#define EXT2_RESIZEINO ((ino_t)7)
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#define EXT2_JOURNALINO ((ino_t)8)
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#define EXT2_FIRSTINO ((ino_t)11)
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/*
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* Inode flags
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* The current implementation uses only EXT2_IMMUTABLE and EXT2_APPEND flags
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*/
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#define EXT2_SECRM 0x00000001 /* Secure deletion */
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#define EXT2_UNRM 0x00000002 /* Undelete */
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#define EXT2_COMPR 0x00000004 /* Compress file */
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#define EXT2_SYNC 0x00000008 /* Synchronous updates */
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#define EXT2_IMMUTABLE 0x00000010 /* Immutable file */
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#define EXT2_APPEND 0x00000020 /* writes to file may only append */
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#define EXT2_NODUMP 0x00000040 /* do not dump file */
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#define EXT2_NOATIME 0x00000080 /* do not update atime */
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/*
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* Structure of an inode on the disk
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*/
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struct ext2fs_dinode {
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u_int16_t e2di_mode; /* 0: IFMT, permissions; see below. */
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u_int16_t e2di_uid; /* 2: Owner UID */
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u_int32_t e2di_size; /* 4: Size (in bytes) */
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u_int32_t e2di_atime; /* 8: Access time */
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u_int32_t e2di_ctime; /* 12: Create time */
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u_int32_t e2di_mtime; /* 16: Modification time */
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u_int32_t e2di_dtime; /* 20: Deletion time */
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u_int16_t e2di_gid; /* 24: Owner GID */
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u_int16_t e2di_nlink; /* 26: File link count */
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u_int32_t e2di_nblock; /* 28: Blocks count */
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u_int32_t e2di_flags; /* 32: Status flags (chflags) */
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u_int32_t e2di_linux_reserved1; /* 36 */
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u_int32_t e2di_blocks[EXT2_N_BLOCKS]; /* 40: disk blocks */
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u_int32_t e2di_gen; /* 100: generation number */
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u_int32_t e2di_facl; /* 104: file ACL (not implemented) */
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u_int32_t e2di_dacl; /* 108: dir ACL (not implemented) */
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u_int32_t e2di_faddr; /* 112: fragment address */
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u_int8_t e2di_nfrag; /* 116: fragment number */
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u_int8_t e2di_fsize; /* 117: fragment size */
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u_int16_t e2di_linux_reserved2; /* 118 */
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u_int16_t e2di_uid_high; /* 120: Owner UID top 16 bits */
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u_int16_t e2di_gid_high; /* 122: Owner GID top 16 bits */
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u_int32_t e2di_linux_reserved3; /* 124 */
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};
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#endif /* !_FS_EXT2FS_EXT2_DINODE_H_ */
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