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Diffstat (limited to 'ufs/dinode.h')
-rw-r--r-- | ufs/dinode.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/ufs/dinode.h b/ufs/dinode.h deleted file mode 100644 index 00be0d94..00000000 --- a/ufs/dinode.h +++ /dev/null @@ -1,137 +0,0 @@ -/* - Copyright (C) 1994 Free Software Foundation - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* - * 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 8.3 (Berkeley) 1/21/94 - */ - -/* - * The root inode is the root of the file system. Inode 0 can't be used for - * normal purposes and historically bad blocks were linked to inode 1, thus - * the root inode is 2. (Inode 1 is no longer used for this purpose, however - * numerous dump tapes make this assumption, so we are stuck with it). - */ -#define ROOTINO ((ino_t)2) - -/* - * A dinode contains all the meta-data associated with a UFS file. - * This structure defines the on-disk format of a dinode. - */ - -#define NDADDR 12 /* Direct addresses in inode. */ -#define NIADDR 3 /* Indirect addresses in inode. */ - -/* Maximum value of di_nlink field. */ -#define LINK_MAX 32767 - -/* Indexes into di_ib */ -#define INDIR_SINGLE 0 -#define INDIR_DOUBLE 1 -#define INDIR_TRIPLE 2 /* NOT SUPPORTED */ - -struct dinode { - u_short di_model; /* 0: IFMT and permissions. */ - short di_nlink; /* 2: File link count. */ - union - { - u_long diu_author; /* 4: File author */ - u_short diu_oldids[2]; /* Old format uid and gid */ - } di_u; - u_quad_t di_size; /* 8: File byte count. */ - struct timespec di_atime; /* 16: Last access time. */ - struct timespec di_mtime; /* 24: Last modified time. */ - struct timespec di_ctime; /* 32: Last inode change time. */ - daddr_t di_db[NDADDR]; /* 40: Direct disk blocks. */ - daddr_t di_ib[NIADDR]; /* 88: Indirect disk blocks. */ - u_long di_flags; /* 100: Status flags (chflags). */ - long di_blocks; /* 104: Blocks actually held. */ - long di_gen; /* 108: Generation number. */ - u_long di_uid; /* 112: File owner. */ - u_long di_gid; /* 116: File group. */ - u_short di_modeh; /* 120: Mode high bits */ - u_short di_spare; /* 122: unused */ - long di_trans; /* 124: filesystem translator */ -}; - -#define di_author di_u.diu_author /* GNU extension */ -#define di_ouid di_u.diu_oldids[0] -#define di_ogid di_u.diu_oldids[1] - -/* - * The di_db 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 di_rdev di_db[0] -#define di_shortlink di_db -#define MAXSYMLINKLEN ((NDADDR + NIADDR) * sizeof(daddr_t)) - -/* File modes. */ -#define IEXEC 0000100 /* Executable. */ -#define IWRITE 0000200 /* Writeable. */ -#define IREAD 0000400 /* Readable. */ -#define ISVTX 0001000 /* Sticky bit. */ -#define ISGID 0002000 /* Set-gid. */ -#define ISUID 0004000 /* Set-uid. */ - -/* File types. */ -#define IFMT 0170000 /* Mask of file type. */ -#define IFIFO 0010000 /* Named pipe (fifo). */ -#define IFCHR 0020000 /* Character device. */ -#define IFDIR 0040000 /* Directory file. */ -#define IFBLK 0060000 /* Block device. */ -#define IFREG 0100000 /* Regular file. */ -#define IFLNK 0120000 /* Symbolic link. */ -#define IFSOCK 0140000 /* UNIX domain socket. */ |