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107 lines
4.5 KiB
C
107 lines
4.5 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)nfsmount.h 8.3 (Berkeley) 3/30/95
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* $FreeBSD$
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*/
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#ifndef _NFS_NFSMOUNT_H_
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#define _NFS_NFSMOUNT_H_
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/*
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* Mount structure.
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* One allocated on every NFS mount.
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* Holds NFS specific information for mount.
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*/
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struct nfsmount {
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int nm_flag; /* Flags for soft/hard... */
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int nm_state; /* Internal state flags */
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struct mount *nm_mountp; /* Vfs structure for this filesystem */
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int nm_numgrps; /* Max. size of groupslist */
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u_char nm_fh[NFSX_V3FHMAX]; /* File handle of root dir */
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int nm_fhsize; /* Size of root file handle */
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struct socket *nm_so; /* Rpc socket */
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int nm_sotype; /* Type of socket */
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int nm_soproto; /* and protocol */
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int nm_soflags; /* pr_flags for socket protocol */
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struct sockaddr *nm_nam; /* Addr of server */
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int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */
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int nm_retry; /* Max retries */
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int nm_srtt[4]; /* Timers for rpcs */
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int nm_sdrtt[4];
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int nm_sent; /* Request send count */
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int nm_cwnd; /* Request send window */
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int nm_timeouts; /* Request timeouts */
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int nm_deadthresh; /* Threshold of timeouts-->dead server*/
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int nm_rsize; /* Max size of read rpc */
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int nm_wsize; /* Max size of write rpc */
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int nm_readdirsize; /* Size of a readdir rpc */
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int nm_readahead; /* Num. of blocks to readahead */
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int nm_leaseterm; /* Term (sec) for NQNFS lease */
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int nm_acdirmin; /* Directory attr cache min lifetime */
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int nm_acdirmax; /* Directory attr cache max lifetime */
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int nm_acregmin; /* Reg file attr cache min lifetime */
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int nm_acregmax; /* Reg file attr cache max lifetime */
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CIRCLEQ_HEAD(, nfsnode) nm_timerhead; /* Head of lease timer queue */
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struct vnode *nm_inprog; /* Vnode in prog by nqnfs_clientd() */
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uid_t nm_authuid; /* Uid for authenticator */
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int nm_authtype; /* Authenticator type */
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int nm_authlen; /* and length */
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char *nm_authstr; /* Authenticator string */
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char *nm_verfstr; /* and the verifier */
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int nm_verflen;
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u_char nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */
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NFSKERBKEY_T nm_key; /* and the session key */
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int nm_numuids; /* Number of nfsuid mappings */
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TAILQ_HEAD(, nfsuid) nm_uidlruhead; /* Lists of nfsuid mappings */
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LIST_HEAD(, nfsuid) nm_uidhashtbl[NFS_MUIDHASHSIZ];
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TAILQ_HEAD(, buf) nm_bufq; /* async io buffer queue */
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short nm_bufqlen; /* number of buffers in queue */
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short nm_bufqwant; /* process wants to add to the queue */
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int nm_bufqiods; /* number of iods processing queue */
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u_int64_t nm_maxfilesize; /* maximum file size */
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};
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#if defined(_KERNEL)
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/*
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* Convert mount ptr to nfsmount ptr.
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*/
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#define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data))
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#endif
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#endif
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