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FreeBSD/Linux Kernel Cross Reference
sys/nfs/nfs_mountcommon.h

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    1 /*-
    2  * Copyright (c) 2009 Rick Macklem, University of Guelph
    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  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: stable/8/sys/nfs/nfs_mountcommon.h 217495 2011-01-17 01:26:13Z rmacklem $
   27  */
   28 
   29 #ifndef _NFS_MOUNTCOMMON_H_
   30 #define _NFS_MOUNTCOMMON_H_
   31 
   32 /*
   33  * The common fields of the nfsmount structure for the two clients
   34  * used by the nlm. It includes a function pointer that provides
   35  * a mechanism for getting the client specific info for an nfs vnode.
   36  */
   37 typedef void    nfs_getinfofromvp_ftype(struct vnode *, uint8_t *, size_t *,
   38                     struct sockaddr_storage *, int *, off_t *,
   39                     struct timeval *);
   40 typedef int     nfs_vinvalbuf_ftype(struct vnode *, int, struct thread *, int);
   41 
   42 struct  nfsmount_common {
   43         struct mtx      nmcom_mtx;
   44         int     nmcom_flag;             /* Flags for soft/hard... */
   45         int     nmcom_state;            /* Internal state flags */
   46         struct  mount *nmcom_mountp;    /* Vfs structure for this filesystem */
   47         int     nmcom_timeo;            /* Init timer for NFSMNT_DUMBTIMR */
   48         int     nmcom_retry;            /* Max retries */
   49         char    nmcom_hostname[MNAMELEN];       /* server's name */
   50         nfs_getinfofromvp_ftype *nmcom_getinfo; /* Get info from nfsnode */
   51         nfs_vinvalbuf_ftype     *nmcom_vinvalbuf; /* Invalidate buffers */
   52 };
   53 
   54 #endif  /* _NFS_MOUNTCOMMON_H_ */

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