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/* $OpenBSD: xfs_fs.h,v 1.2 1998/08/31 05:13:26 art Exp $ */
/*
* Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska H�gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* 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 Kungliga Tekniska
* H�gskolan and its contributors.
*
* 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*/
/* $KTH: xfs_fs.h,v 1.8 1998/04/04 01:17:26 art Exp $ */
#ifndef _XFS_XFS_H_
#define _XFS_XFS_H_
#include <sys/types.h>
#include <xfs/xfs_node.h>
#include <xfs/xfs_attr.h>
#include <xfs/nxfs.h>
/*
* Filesystem struct.
*/
struct xfs {
u_int status; /* Inited, opened or mounted */
#define XFS_MOUNTED 0x1
struct mount *mp;
struct xfs_node *root;
u_int nnodes;
int fd;
};
#define VFS_TO_XFS(v) ((struct xfs *) ((v)->mnt_data))
#define XFS_TO_VFS(x) ((x)->mp)
#define XFS_FROM_VNODE(vp) VFS_TO_XFS((vp)->v_mount)
#define XFS_FROM_XNODE(xp) XFS_FROM_VNODE(XNODE_TO_VNODE(xp))
extern struct xfs xfs[];
extern struct vnodeops xfs_vnodeops;
struct xfs_node *xfs_node_find __P((struct xfs *, struct xfs_handle *));
int new_xfs_node __P((struct xfs *, struct xfs_msg_node *, struct xfs_node **,
struct proc *));
void free_xfs_node __P((struct xfs_node *));
int free_all_xfs_nodes __P((struct xfs *, int));
int xfs_dnlc_enter __P((struct vnode *, char *, struct vnode *));
void xfs_dnlc_purge __P((struct mount *));
int xfs_dnlc_lookup __P((struct vnode *, struct componentname *,
struct vnode **));
void vattr2xfs_attr __P((const struct vattr * va, struct xfs_attr *xa));
void xfs_attr2vattr __P((const struct xfs_attr *xa, struct vattr * va));
int xfs_has_pag __P((const struct xfs_node *xn, pag_t pag));
#endif
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