74 lines
2.8 KiB
C
74 lines
2.8 KiB
C
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/* $NetBSD: efs_inode.h,v 1.1 2007/06/29 23:30:29 rumble Exp $ */
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/*
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* Copyright (c) 2006 Stephen M. Rumble <rumble@ephemeral.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _FS_EFS_EFS_INODE_H_
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#define _FS_EFS_EFS_INODE_H_
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#include <fs/efs/efs_subr.h>
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/*
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* The efs_inode structure represents an in-core inode. It contains meta-data
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* corresponding directly to the efs_dinode structure in host byte order and
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* with native NetBSD flags and fields, a copy of the on-disk dinode structure,
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* as well as other bookkeeping information.
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*/
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struct efs_inode {
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struct genfs_node ei_gnode;
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struct lockf *ei_lockf; /* advisory lock */
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ino_t ei_number; /* inode number */
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dev_t ei_dev; /* associated device */
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struct vnode *ei_vp; /* associated vnode */
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LIST_ENTRY(efs_inode) ei_hash; /* inode hash chain */
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/*
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* Host-ordered on-disk fields with native NetBSD types and flags.
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*/
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uint16_t ei_mode; /* file type and permissions */
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int16_t ei_nlink; /* link count (minimum 2) */
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uid_t ei_uid; /* user ID */
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gid_t ei_gid; /* group ID */
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int32_t ei_size; /* file size (in bytes) */
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time_t ei_atime; /* file access time */
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time_t ei_mtime; /* file modification time */
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time_t ei_ctime; /* inode modification time */
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int32_t ei_gen; /* inode generation number */
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int16_t ei_numextents; /* number of extents in file */
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uint8_t ei_version; /* inode version */
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/*
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* Copy of the on-disk inode structure, in EFS native format and
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* endianness.
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*/
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struct efs_dinode ei_di;
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};
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#define EFS_VTOI(vp) ((struct efs_inode *)(vp)->v_data)
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#define EFS_ITOV(eip) ((struct vnode *)(eip)->ei_vp)
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/*
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* File handle. The first two fields must match struct fid (see sys/fstypes.h).
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*/
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struct efs_fid {
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unsigned short ef_len; /* length of data in bytes */
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unsigned short ef_pad; /* compat: historic align */
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int32_t ef_ino; /* inode number */
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int32_t ef_gen; /* inode generation number */
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};
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#endif /* !_FS_EFS_EFS_INODE_H_ */
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