FreeBSD/Linux Kernel Cross Reference
sys/fs/smbfs/smbfs_node.h

     /*      $NetBSD: smbfs_node.h,v 1.9 2004/02/29 11:47:08 jdolecek Exp $  */
     
     /*
      * 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 2001/04/10 07:59:05 bp Exp
     */
    #ifndef _FS_SMBFS_NODE_H_
    #define _FS_SMBFS_NODE_H_
    
    #include <sys/hash.h>                   /* for hash32_strn() */
    #include <miscfs/genfs/genfs_node.h>    /* for struct genfs_node */
    
    #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 NOPEN                   0x2000  /* file is open */
    
    #define SMBFS_ATTRTIMO          5       /* Attribute cache timeout in sec */
    
    struct smbfs_fctx;
    
    struct smbnode {
            struct genfs_node       n_gnode;
            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;        /* Prev create time. */
            time_t                  n_nctime;       /* last neg cache entry (dir) */
            struct timespec         n_mtime;        /* modify time */
            struct timespec         n_atime;        /* last access time */
            u_quad_t                n_size;
            long                    n_ino;
            int                     n_dosattr;
            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 smbfattr;
    
    int  smbfs_inactive(void *);
    int  smbfs_reclaim(void *);
    int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
            struct smbfattr *fap, struct vnode **vpp);
    #define smbfs_hash(x, y)        hash32_strn((x), (y), HASH32_STR_INIT)
    
    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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