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freebsd/sys/fs/smbfs/smbfs_node.h
Boris Popov 681a5bbef2 Import kernel part of SMB/CIFS requester.
Add smbfs(CIFS) filesystem.

Userland part will be in the ports tree for a while.

Obtained from:	smbfs-1.3.7-dev package.
2001-04-10 07:59:06 +00:00

101 lines
3.8 KiB
C

/*
* 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.
*
* $FreeBSD$
*/
#ifndef _FS_SMBFS_NODE_H_
#define _FS_SMBFS_NODE_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 {
#ifndef FB_CURRENT
struct lock n_lock; /* smbnode lock. (mbf) */
#endif
int n_flag;
struct smbnode * 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;
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);
#define smbfs_attr_cacheremove(vp) VTOSMB(vp)->n_attrage = 0
#endif /* _FS_SMBFS_NODE_H_ */