FreeBSD/Linux Kernel Cross Reference
sys/fs/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: releng/5.0/sys/fs/smbfs/smbfs_node.h 103533 2002-09-18 09:27:04Z bp $
     */
    #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 */
    #define NFLUSHWIRE              0x1000  /* pending flush request */
    
    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_ */

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