diff options
author | Jason Downs <downsj@cvs.openbsd.org> | 1997-05-30 05:18:52 +0000 |
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committer | Jason Downs <downsj@cvs.openbsd.org> | 1997-05-30 05:18:52 +0000 |
commit | d908a83a81adfc346b70e30ce4fc7853f62e0df6 (patch) | |
tree | db8ae64ff36c9b327a35d028e87f85c91ea87565 /sys/ufs/ext2fs/ext2fs_dinode.h | |
parent | 033264ad4b94e60bb5c7599637dfd6ef0cfe6bd5 (diff) |
Non-GPLd ext2fs code from Manuel, unmodified.
Diffstat (limited to 'sys/ufs/ext2fs/ext2fs_dinode.h')
-rw-r--r-- | sys/ufs/ext2fs/ext2fs_dinode.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/sys/ufs/ext2fs/ext2fs_dinode.h b/sys/ufs/ext2fs/ext2fs_dinode.h new file mode 100644 index 00000000000..db0ce26ec92 --- /dev/null +++ b/sys/ufs/ext2fs/ext2fs_dinode.h @@ -0,0 +1,132 @@ +/* $NetBSD: dinode.h,v 1.7 1995/06/15 23:22:48 cgd Exp $ */ + +/* Modified for EXT2FS on NetBSD by Manuel Bouyer, April 1997 */ + +/* + * Copyright (c) 1982, 1989, 1993 + * The Regents of the University of California. All rights reserved. + * (c) UNIX System Laboratories, Inc. + * All or some portions of this file are derived from material licensed + * to the University of California by American Telephone and Telegraph + * Co. or Unix System Laboratories, Inc. and are reproduced herein with + * the permission of UNIX System Laboratories, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)dinode.h 8.6 (Berkeley) 9/13/94 + */ + +#include <sys/stat.h> + +/* + * The root inode is the root of the file system. Inode 0 can't be used for + * normal purposes and bad blocks are normally linked to inode 1, thus + * the root inode is 2. + * Inode 3 to 10 are reserved in ext2fs. + */ +#define EXT2_ROOTINO ((ino_t)2) +#define EXT2_FIRSTINO ((ino_t)11) + +/* + * A dinode contains all the meta-data associated with a UFS file. + * This structure defines the on-disk format of a dinode. Since + * this structure describes an on-disk structure, all its fields + * are defined by types with precise widths. + */ + +#define NDADDR 12 /* Direct addresses in inode. */ +#define NIADDR 3 /* Indirect addresses in inode. */ + +#define EXT2_MAXSYMLINKLEN ((NDADDR+NIADDR) * sizeof (u_int32_t)) + +struct ext2fs_dinode { + u_int16_t e2di_mode; /* 0: IFMT, permissions; see below. */ + u_int16_t e2di_uid; /* 2: Owner UID */ + u_int32_t e2di_size; /* 4: Size (in bytes) */ + u_int32_t e2di_atime; /* 8: Acces time */ + u_int32_t e2di_ctime; /* 12: Create time */ + u_int32_t e2di_mtime; /* 16: Modification time */ + u_int32_t e2di_dtime; /* 20: Deletion time */ + u_int16_t e2di_gid; /* 24: Owner GID */ + u_int16_t e2di_nlink; /* 26: File link count */ + u_int32_t e2di_nblock;/* 28: Blocks count */ + u_int32_t e2di_flags; /* 32: Status flags (chflags) */ + u_int32_t e2di_linux_reserved1; /* 36 */ + u_int32_t e2di_blocks[NDADDR+NIADDR]; /* 40: disk blocks */ + u_int32_t e2di_gen; /* 100: generation number (file version) */ + u_int32_t e2di_facl; /* 104: file ACL (not implemented) */ + u_int32_t e2di_dacl; /* 108: dir ACL (not implemented) */ + u_int32_t e2di_faddr; /* 112: fragment address */ + u_int8_t e2di_nfrag; /* 116: fragment number */ + u_int8_t e2di_fsize; /* 117: fragment size */ + u_int16_t e2di_linux_reserved2; /* 118 */ + u_int32_t e2di_linux_reserved3[2]; /* 120 */ +}; + + + +#define E2MAXSYMLINKLEN ((NDADDR + NIADDR) * sizeof(u_int32_t)) + +/* File permissions. */ +#define EXT2_IEXEC 0000100 /* Executable. */ +#define EXT2_IWRITE 0000200 /* Writeable. */ +#define EXT2_IREAD 0000400 /* Readable. */ +#define EXT2_ISVTX 0001000 /* Sticky bit. */ +#define EXT2_ISGID 0002000 /* Set-gid. */ +#define EXT2_ISUID 0004000 /* Set-uid. */ + +/* File types. */ +#define EXT2_IFMT 0170000 /* Mask of file type. */ +#define EXT2_IFIFO 0010000 /* Named pipe (fifo). */ +#define EXT2_IFCHR 0020000 /* Character device. */ +#define EXT2_IFDIR 0040000 /* Directory file. */ +#define EXT2_IFBLK 0060000 /* Block device. */ +#define EXT2_IFREG 0100000 /* Regular file. */ +#define EXT2_IFLNK 0120000 /* Symbolic link. */ +#define EXT2_IFSOCK 0140000 /* UNIX domain socket. */ + +/* file flags */ +#define EXT2_SECRM 0x00000001 /* Secure deletion */ +#define EXT2_UNRM 0x00000002 /* Undelete */ +#define EXT2_COMPR 0x00000004 /* Compress file */ +#define EXT2_SYNC 0x00000008 /* Synchronous updates */ +#define EXT2_IMMUTABLE 0x00000010 /* Immutable file */ +#define EXT2_APPEND 0x00000020 /* writes to file may only append */ +#define EXT2_NODUMP 0x00000040 /* do not dump file */ + +/* + * The e2di_blocks fields may be overlaid with other information for + * file types that do not have associated disk storage. Block + * and character devices overlay the first data block with their + * dev_t value. Short symbolic links place their path in the + * di_db area. + */ + +#define e2di_rdev e2di_blocks[0] +#define e2di_shortlink e2di_blocks |