proc->thread stage 4: rework the VFS and DEVICE subsystems to take thread
[dragonfly.git] / sys / vfs / smbfs / smbfs_node.h
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1/*
2 * Copyright (c) 2000-2001, Boris Popov
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: src/sys/fs/smbfs/smbfs_node.h,v 1.1.2.2 2003/01/17 08:20:26 tjr Exp $
1de703da 33 * $DragonFly: src/sys/vfs/smbfs/smbfs_node.h,v 1.2 2003/06/17 04:28:33 dillon Exp $
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34 */
35#ifndef _FS_SMBFS_NODE_H_
36#define _FS_SMBFS_NODE_H_
37
38#define SMBFS_ROOT_INO 2 /* just like in UFS */
39
40/* Bits for smbnode.n_flag */
41#define NFLUSHINPROG 0x0001
42#define NFLUSHWANT 0x0002 /* they should gone ... */
43#define NMODIFIED 0x0004 /* bogus, until async IO implemented */
44/*efine NNEW 0x0008*//* smb/vnode has been allocated */
45#define NREFPARENT 0x0010 /* node holds parent from recycling */
46
47struct smbfs_fctx;
48
49struct smbnode {
50 struct lock n_lock; /* smbnode lock. (mbf) */
51 int n_flag;
52 struct vnode * n_parent;
53 struct vnode * n_vnode;
54 struct smbmount * n_mount;
55 time_t n_attrage; /* attributes cache time */
56/* time_t n_ctime;*/
57 struct timespec n_mtime; /* modify time */
58 struct timespec n_atime; /* last access time */
59 u_quad_t n_size;
60 long n_ino;
61 int n_dosattr;
62 int n_opencount;
63 u_int16_t n_fid; /* file handle */
64 int n_rwstate; /* granted access mode */
65 u_char n_nmlen;
66 u_char * n_name;
67 struct smbfs_fctx * n_dirseq; /* ff context */
68 long n_dirofs; /* last ff offset */
69 struct lockf * n_lockf; /* Locking records of file */
70 LIST_ENTRY(smbnode) n_hash;
71};
72
73#define VTOSMB(vp) ((struct smbnode *)(vp)->v_data)
74#define SMBTOV(np) ((struct vnode *)(np)->n_vnode)
75
76struct vop_getpages_args;
77struct vop_inactive_args;
78struct vop_putpages_args;
79struct vop_reclaim_args;
80struct ucred;
81struct uio;
82struct smbfattr;
83
84int smbfs_inactive(struct vop_inactive_args *);
85int smbfs_reclaim(struct vop_reclaim_args *);
86int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
87 struct smbfattr *fap, struct vnode **vpp);
88u_int32_t smbfs_hash(const u_char *name, int nmlen);
89
90int smbfs_getpages(struct vop_getpages_args *);
91int smbfs_putpages(struct vop_putpages_args *);
92int smbfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
93int smbfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
94void smbfs_attr_cacheenter(struct vnode *vp, struct smbfattr *fap);
95int smbfs_attr_cachelookup(struct vnode *vp ,struct vattr *va);
96
97#define smbfs_attr_cacheremove(vp) VTOSMB(vp)->n_attrage = 0
98
99#endif /* _FS_SMBFS_NODE_H_ */