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/*
* Copyright (c) 2007-2009 Google Inc. and Amit Singh
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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 COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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.
*
* Copyright (C) 2005 Csaba Henk.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _FUSE_NODE_H_
#define _FUSE_NODE_H_
#include <sys/types.h>
#include <sys/mutex.h>
#include "fuse_file.h"
#define FN_REVOKED 0x00000020
#define FN_FLUSHINPROG 0x00000040
#define FN_FLUSHWANT 0x00000080
#define FN_SIZECHANGE 0x00000100
struct fuse_vnode_data {
/** self **/
uint64_t nid;
/** parent **/
/* XXXIP very likely to be stale, it's not updated in rename() */
uint64_t parent_nid;
/** I/O **/
struct fuse_filehandle fufh[FUFH_MAXTYPE];
/** flags **/
uint32_t flag;
/** meta **/
struct vattr cached_attrs;
off_t filesize;
uint64_t nlookup;
enum vtype vtype;
};
#define VTOFUD(vp) \
((struct fuse_vnode_data *)((vp)->v_data))
#define VTOI(vp) (VTOFUD(vp)->nid)
#define VTOVA(vp) (&(VTOFUD(vp)->cached_attrs))
#define VTOILLU(vp) ((uint64_t)(VTOFUD(vp) ? VTOI(vp) : 0))
#define FUSE_NULL_ID 0
extern struct vop_vector fuse_vnops;
static __inline void
fuse_vnode_setparent(struct vnode *vp, struct vnode *dvp)
{
if (dvp != NULL && vp->v_type == VDIR) {
MPASS(dvp->v_type == VDIR);
VTOFUD(vp)->parent_nid = VTOI(dvp);
}
}
void fuse_vnode_destroy(struct vnode *vp);
int fuse_vnode_get(struct mount *mp,
uint64_t nodeid,
struct vnode *dvp,
struct vnode **vpp,
struct componentname *cnp,
enum vtype vtyp);
void fuse_vnode_open(struct vnode *vp,
int32_t fuse_open_flags,
struct thread *td);
void fuse_vnode_refreshsize(struct vnode *vp, struct ucred *cred);
int fuse_vnode_savesize(struct vnode *vp, struct ucred *cred);
int fuse_vnode_setsize(struct vnode *vp, struct ucred *cred, off_t newsize);
#endif /* _FUSE_NODE_H_ */
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