diff options
Diffstat (limited to 'sys/gnu/fs/ext2fs/inode.h')
| -rw-r--r-- | sys/gnu/fs/ext2fs/inode.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/sys/gnu/fs/ext2fs/inode.h b/sys/gnu/fs/ext2fs/inode.h deleted file mode 100644 index 75d9b1b..0000000 --- a/sys/gnu/fs/ext2fs/inode.h +++ /dev/null @@ -1,170 +0,0 @@ -/*- - * 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. - * 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. - * - * @(#)inode.h 8.9 (Berkeley) 5/14/95 - * $FreeBSD$ - */ - -#ifndef _SYS_GNU_EXT2FS_INODE_H_ -#define _SYS_GNU_EXT2FS_INODE_H_ - -#include <sys/lock.h> -#include <sys/queue.h> - -#define ROOTINO ((ino_t)2) - -#define NDADDR 12 /* Direct addresses in inode. */ -#define NIADDR 3 /* Indirect addresses in inode. */ - -/* - * This must agree with the definition in <ufs/ufs/dir.h>. - */ -#define doff_t int32_t - -/* - * The inode is used to describe each active (or recently active) file in the - * EXT2FS filesystem. It is composed of two types of information. The first - * part is the information that is needed only while the file is active (such - * as the identity of the file and linkage to speed its lookup). The second - * part is the permanent meta-data associated with the file which is read in - * from the permanent dinode from long term storage when the file becomes - * active, and is put back when the file is no longer being used. - */ -struct inode { - struct vnode *i_vnode;/* Vnode associated with this inode. */ - struct vnode *i_devvp;/* Vnode for block I/O. */ - u_int32_t i_flag; /* flags, see below */ - ino_t i_number; /* The identity of the inode. */ - - struct ext2_sb_info *i_e2fs; /* EXT2FS */ - u_quad_t i_modrev; /* Revision level for NFS lease. */ - /* - * Side effects; used during directory lookup. - */ - int32_t i_count; /* Size of free slot in directory. */ - doff_t i_endoff; /* End of useful stuff in directory. */ - doff_t i_diroff; /* Offset in dir, where we found last entry. */ - doff_t i_offset; /* Offset of free space in directory. */ - ino_t i_ino; /* Inode number of found directory. */ - u_int32_t i_reclen; /* Size of found directory entry. */ - - u_int32_t i_block_group; - u_int32_t i_next_alloc_block; - u_int32_t i_next_alloc_goal; - u_int32_t i_prealloc_block; - u_int32_t i_prealloc_count; - - /* Fields from struct dinode in UFS. */ - u_int16_t i_mode; /* IFMT, permissions; see below. */ - int16_t i_nlink; /* File link count. */ - u_int64_t i_size; /* File byte count. */ - int32_t i_atime; /* Last access time. */ - int32_t i_atimensec; /* Last access time. */ - int32_t i_mtime; /* Last modified time. */ - int32_t i_mtimensec; /* Last modified time. */ - int32_t i_ctime; /* Last inode change time. */ - int32_t i_ctimensec; /* Last inode change time. */ - int32_t i_db[NDADDR]; /* Direct disk blocks. */ - int32_t i_ib[NIADDR]; /* Indirect disk blocks. */ - u_int32_t i_flags; /* Status flags (chflags). */ - int32_t i_blocks; /* Blocks actually held. */ - int32_t i_gen; /* Generation number. */ - u_int32_t i_uid; /* File owner. */ - u_int32_t i_gid; /* File group. */ -}; - -/* - * 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 i_shortlink i_db -#define i_rdev i_db[0] -#define MAXSYMLINKLEN ((NDADDR + NIADDR) * sizeof(int32_t)) - -/* File permissions. */ -#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. */ -#define IFWHT 0160000 /* Whiteout. */ - -/* These flags are kept in i_flag. */ -#define IN_ACCESS 0x0001 /* Access time update request. */ -#define IN_CHANGE 0x0002 /* Inode change time update request. */ -#define IN_UPDATE 0x0004 /* Modification time update request. */ -#define IN_MODIFIED 0x0008 /* Inode has been modified. */ -#define IN_RENAME 0x0010 /* Inode is being renamed. */ -#define IN_HASHED 0x0020 /* Inode is on hash list */ -#define IN_LAZYMOD 0x0040 /* Modified, but don't write yet. */ -#define IN_SPACECOUNTED 0x0080 /* Blocks to be freed in free count. */ - -#ifdef _KERNEL -/* - * Structure used to pass around logical block paths generated by - * ext2_getlbns and used by truncate and bmap code. - */ -struct indir { - int32_t in_lbn; /* Logical block number. */ - int in_off; /* Offset in buffer. */ - int in_exists; /* Flag if the block exists. */ -}; - -/* Convert between inode pointers and vnode pointers. */ -#define VTOI(vp) ((struct inode *)(vp)->v_data) -#define ITOV(ip) ((ip)->i_vnode) - -/* This overlays the fid structure (see mount.h). */ -struct ufid { - u_int16_t ufid_len; /* Length of structure. */ - u_int16_t ufid_pad; /* Force 32-bit alignment. */ - ino_t ufid_ino; /* File number (ino). */ - int32_t ufid_gen; /* Generation number. */ -}; -#endif /* _KERNEL */ - -#endif /* !_SYS_GNU_EXT2FS_INODE_H_ */ |
