The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/fs/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: releng/6.1/sys/fs/smbfs/smbfs_node.h 139776 2005-01-06 18:10:42Z imp $
   33  */
   34 #ifndef _FS_SMBFS_NODE_H_
   35 #define _FS_SMBFS_NODE_H_
   36 
   37 #define SMBFS_ROOT_INO          2       /* just like in UFS */
   38 
   39 /* Bits for smbnode.n_flag */
   40 #define NFLUSHINPROG            0x0001
   41 #define NFLUSHWANT              0x0002  /* they should gone ... */
   42 #define NMODIFIED               0x0004  /* bogus, until async IO implemented */
   43 /*efine NNEW                    0x0008*//* smb/vnode has been allocated */
   44 #define NREFPARENT              0x0010  /* node holds parent from recycling */
   45 #define NFLUSHWIRE              0x1000  /* pending flush request */
   46 #define NOPEN                   0x2000  /* file is open */
   47 #define NGONE                   0x4000  /* file has been removed/renamed */
   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         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 
   76 struct vop_getpages_args;
   77 struct vop_inactive_args;
   78 struct vop_putpages_args;
   79 struct vop_reclaim_args;
   80 struct ucred;
   81 struct uio;
   82 struct smbfattr;
   83 
   84 int  smbfs_inactive(struct vop_inactive_args *);
   85 int  smbfs_reclaim(struct vop_reclaim_args *);
   86 int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
   87         struct smbfattr *fap, struct vnode **vpp);
   88 u_int32_t smbfs_hash(const u_char *name, int nmlen);
   89 
   90 int  smbfs_getpages(struct vop_getpages_args *);
   91 int  smbfs_putpages(struct vop_putpages_args *);
   92 int  smbfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
   93 int  smbfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
   94 void smbfs_attr_cacheenter(struct vnode *vp, struct smbfattr *fap);
   95 int  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_ */

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