sys/vfs/smbfs/smbfs_node.h

root/sys/vfs/smbfs/smbfs_node.h
/*
 * Copyright (c) 2000-2001, Boris Popov
 * 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 Boris Popov.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE 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 THE 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: src/sys/fs/smbfs/smbfs_node.h,v 1.1.2.2 2003/01/17 08:20:26 tjr Exp $
 * $DragonFly: src/sys/vfs/smbfs/smbfs_node.h,v 1.5 2005/06/06 15:35:09 dillon Exp $
 */
#ifndef _FS_SMBFS_NODE_H_
#define _FS_SMBFS_NODE_H_

#include <sys/lockf.h>

#define SMBFS_ROOT_INO          2       /* just like in UFS */

/* Bits for smbnode.n_flag */
#define NFLUSHINPROG            0x0001
#define NFLUSHWANT              0x0002  /* they should gone ... */
#define NMODIFIED               0x0004  /* bogus, until async IO implemented */
/*efine NNEW                    0x0008*//* smb/vnode has been allocated */
#define NREFPARENT              0x0010  /* node holds parent from recycling */

struct smbfs_fctx;

struct smbnode {
        int                     n_flag;
        struct vnode *          n_parent;
        struct vnode *          n_vnode;
        struct smbmount *       n_mount;
        time_t                  n_attrage;      /* attributes cache time */
/*      time_t                  n_ctime;*/
        struct timespec         n_mtime;        /* modify time */
        struct timespec         n_atime;        /* last access time */
        u_quad_t                n_size;
        long                    n_ino;
        int                     n_dosattr;
        int                     n_opencount;
        struct ucred            *n_cached_cred; /* cred used to open file */
        u_int16_t               n_fid;          /* file handle */
        int                     n_rwstate;      /* granted access mode */
        u_char                  n_nmlen;
        u_char *                n_name;
        struct smbfs_fctx *     n_dirseq;       /* ff context */
        long                    n_dirofs;       /* last ff offset */
        struct lockf            n_lockf;        /* Locking records of file */
        LIST_ENTRY(smbnode)     n_hash;
};

#define VTOSMB(vp)      ((struct smbnode *)(vp)->v_data)
#define SMBTOV(np)      ((struct vnode *)(np)->n_vnode)

struct vop_getpages_args;
struct vop_inactive_args;
struct vop_putpages_args;
struct vop_reclaim_args;
struct ucred;
struct uio;
struct smbfattr;

int  smbfs_inactive(struct vop_inactive_args *);
int  smbfs_reclaim(struct vop_reclaim_args *);
int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
        struct smbfattr *fap, struct vnode **vpp);
u_int32_t smbfs_hash(const u_char *name, int nmlen);

int  smbfs_getpages(struct vop_getpages_args *);
int  smbfs_putpages(struct vop_putpages_args *);
int  smbfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
int  smbfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
void smbfs_attr_cacheenter(struct vnode *vp, struct smbfattr *fap);
int  smbfs_attr_cachelookup(struct vnode *vp ,struct vattr *va);
void smbfs_attr_cacherename(struct vnode *vp, const char *name, int nmlen);

#define smbfs_attr_cacheremove(vp)      VTOSMB(vp)->n_attrage = 0

#endif /* _FS_SMBFS_NODE_H_ */
DragonflyBSD
