sys/vfs/smbfs/smbfs_node.h

   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 $
  33  * $DragonFly: src/sys/vfs/smbfs/smbfs_node.h,v 1.5 2005/06/06 15:35:09 dillon Exp $
  34  */
  35 #ifndef _FS_SMBFS_NODE_H_
  36 #define _FS_SMBFS_NODE_H_
  37
  38 #include <sys/lockf.h>
  39
  40 #define SMBFS_ROOT_INO          2       /* just like in UFS */
  41
  42 /* Bits for smbnode.n_flag */
  43 #define NFLUSHINPROG            0x0001
  44 #define NFLUSHWANT              0x0002  /* they should gone ... */
  45 #define NMODIFIED               0x0004  /* bogus, until async IO implemented */
  46 /*efine NNEW                    0x0008*//* smb/vnode has been allocated */
  47 #define NREFPARENT              0x0010  /* node holds parent from recycling */
  48
  49 struct smbfs_fctx;
  50
  51 struct smbnode {
  52         int                     n_flag;
  53         struct vnode *          n_parent;
  54         struct vnode *          n_vnode;
  55         struct smbmount *       n_mount;
  56         time_t                  n_attrage;      /* attributes cache time */
  57 /*      time_t                  n_ctime;*/
  58         struct timespec         n_mtime;        /* modify time */
  59         struct timespec         n_atime;        /* last access time */
  60         u_quad_t                n_size;
  61         long                    n_ino;
  62         int                     n_dosattr;
  63         int                     n_opencount;
  64         struct ucred            *n_cached_cred; /* cred used to open file */
  65         u_int16_t               n_fid;          /* file handle */
  66         int                     n_rwstate;      /* granted access mode */
  67         u_char                  n_nmlen;
  68         u_char *                n_name;
  69         struct smbfs_fctx *     n_dirseq;       /* ff context */
  70         long                    n_dirofs;       /* last ff offset */
  71         struct lockf            n_lockf;        /* Locking records of file */
  72         LIST_ENTRY(smbnode)     n_hash;
  73 };
  74
  75 #define VTOSMB(vp)      ((struct smbnode *)(vp)->v_data)
  76 #define SMBTOV(np)      ((struct vnode *)(np)->n_vnode)
  77
  78 struct vop_getpages_args;
  79 struct vop_inactive_args;
  80 struct vop_putpages_args;
  81 struct vop_reclaim_args;
  82 struct ucred;
  83 struct uio;
  84 struct smbfattr;
  85
  86 int  smbfs_inactive(struct vop_inactive_args *);
  87 int  smbfs_reclaim(struct vop_reclaim_args *);
  88 int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
  89         struct smbfattr *fap, struct vnode **vpp);
  90 u_int32_t smbfs_hash(const u_char *name, int nmlen);
  91
  92 int  smbfs_getpages(struct vop_getpages_args *);
  93 int  smbfs_putpages(struct vop_putpages_args *);
  94 int  smbfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
  95 int  smbfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
  96 void smbfs_attr_cacheenter(struct vnode *vp, struct smbfattr *fap);
  97 int  smbfs_attr_cachelookup(struct vnode *vp ,struct vattr *va);
  98 void smbfs_attr_cacherename(struct vnode *vp, const char *name, int nmlen);
  99
 100 #define smbfs_attr_cacheremove(vp)      VTOSMB(vp)->n_attrage = 0
 101
 102 #endif /* _FS_SMBFS_NODE_H_ */