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freebsd-skq/sys/nfsserver/nfs.h
jkh 808a36ef65 Make the long-awaited change from $Id$ to $FreeBSD$ 
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
1997-01-14 07:20:47 +00:00

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/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Macklem at The University of Guelph.
*
* 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)nfs.h 8.1 (Berkeley) 6/10/93
* $FreeBSD$
*/
#ifndef _NFS_NFS_H_
#define _NFS_NFS_H_
#include <nfs/rpcv2.h>
/*
* Tunable constants for nfs
*/
#define NFS_MAXIOVEC 34
#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
#define NFS_MAXREXMIT 100 /* Stop counting after this many */
#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
#define NFS_MAXGRPS 16 /* Max. size of groups list */
#ifndef NFS_MINATTRTIMO
#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
#endif
#ifndef NFS_MAXATTRTIMO
#define NFS_MAXATTRTIMO 60
#endif
#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
#define NFS_READDIRSIZE 8192 /* Def. readdir size */
#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */
#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
#ifndef NFS_GATHERDELAY
#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */
#endif
#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
/*
* Oddballs
*/
#define NMOD(a) ((a) % nfs_asyncdaemons)
#define NFS_CMPFH(n, f, s) \
((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
#define NFS_SRVMAXDATA(n) \
(((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
/*
* XXX
* sys/buf.h should be edited to change B_APPENDWRITE --> B_NEEDCOMMIT, but
* until then...
* Same goes for sys/malloc.h, which needs M_NFSDIROFF,
* M_NFSRVDESC and M_NFSBIGFH added.
* The VA_EXCLUSIVE flag should be added for va_vaflags and set for an
* exclusive create.
* The B_INVAFTERWRITE flag should be set to whatever is required by the
* buffer cache code to say "Invalidate the block after it is written back".
*/
#ifndef B_NEEDCOMMIT
#define B_NEEDCOMMIT B_APPENDWRITE
#endif
#ifndef M_NFSRVDESC
#define M_NFSRVDESC M_TEMP
#endif
#ifndef M_NFSDIROFF
#define M_NFSDIROFF M_TEMP
#endif
#ifndef M_NFSBIGFH
#define M_NFSBIGFH M_TEMP
#endif
#ifndef VA_EXCLUSIVE
#define VA_EXCLUSIVE 0
#endif
#ifdef __FreeBSD__
#define B_INVAFTERWRITE B_NOCACHE
#else
#define B_INVAFTERWRITE B_INVAL
#endif
/*
* These ifdefs try to handle the differences between the various 4.4BSD-Lite
* based vfs interfaces.
* btw: NetBSD-current does have a VOP_LEASDE(), but I don't know how to
* differentiate between NetBSD-1.0 and NetBSD-current, so..
* I also don't know about BSDi's 2.0 release.
*/
#if !defined(HAS_VOPLEASE) && !defined(__FreeBSD__) && !defined(__NetBSD__)
#define HAS_VOPLEASE 1
#endif
#if !defined(HAS_VOPREVOKE) && !defined(__FreeBSD__) && !defined(__NetBSD__)
#define HAS_VOPREVOKE 1
#endif
/*
* The IO_METASYNC flag should be implemented for local file systems.
* (Until then, it is nothin at all.)
*/
#ifndef IO_METASYNC
#define IO_METASYNC 0
#endif
/*
* Set the attribute timeout based on how recently the file has been modified.
*/
#define NFS_ATTRTIMEO(np) \
((((np)->n_flag & NMODIFIED) || \
(time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \
((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \
(time.tv_sec - (np)->n_mtime) / 10))
/*
* Expected allocation sizes for major data structures. If the actual size
* of the structure exceeds these sizes, then malloc() will be allocating
* almost twice the memory required. This is used in nfs_init() to warn
* the sysadmin that the size of a structure should be reduced.
* (These sizes are always a power of 2. If the kernel malloc() changes
* to one that does not allocate space in powers of 2 size, then this all
* becomes bunk!)
*/
#define NFS_NODEALLOC 256
#define NFS_MNTALLOC 512
#define NFS_SVCALLOC 256
#define NFS_UIDALLOC 128
/*
* Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
* should ever try and use it.
*/
struct nfsd_args {
int sock; /* Socket to serve */
caddr_t name; /* Client address for connection based sockets */
int namelen; /* Length of name */
};
struct nfsd_srvargs {
struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
uid_t nsd_uid; /* Effective uid mapped to cred */
u_long nsd_haddr; /* Ip address of client */
struct ucred nsd_cr; /* Cred. uid maps to */
int nsd_authlen; /* Length of auth string (ret) */
u_char *nsd_authstr; /* Auth string (ret) */
int nsd_verflen; /* and the verfier */
u_char *nsd_verfstr;
struct timeval nsd_timestamp; /* timestamp from verifier */
u_long nsd_ttl; /* credential ttl (sec) */
NFSKERBKEY_T nsd_key; /* Session key */
};
struct nfsd_cargs {
char *ncd_dirp; /* Mount dir path */
uid_t ncd_authuid; /* Effective uid */
int ncd_authtype; /* Type of authenticator */
int ncd_authlen; /* Length of authenticator string */
u_char *ncd_authstr; /* Authenticator string */
int ncd_verflen; /* and the verifier */
u_char *ncd_verfstr;
NFSKERBKEY_T ncd_key; /* Session key */
};
/*
* Stats structure
*/
struct nfsstats {
int attrcache_hits;
int attrcache_misses;
int lookupcache_hits;
int lookupcache_misses;
int direofcache_hits;
int direofcache_misses;
int biocache_reads;
int read_bios;
int read_physios;
int biocache_writes;
int write_bios;
int write_physios;
int biocache_readlinks;
int readlink_bios;
int biocache_readdirs;
int readdir_bios;
int rpccnt[NFS_NPROCS];
int rpcretries;
int srvrpccnt[NFS_NPROCS];
int srvrpc_errs;
int srv_errs;
int rpcrequests;
int rpctimeouts;
int rpcunexpected;
int rpcinvalid;
int srvcache_inproghits;
int srvcache_idemdonehits;
int srvcache_nonidemdonehits;
int srvcache_misses;
int srvnqnfs_leases;
int srvnqnfs_maxleases;
int srvnqnfs_getleases;
int srvvop_writes;
};
/*
* Flags for nfssvc() system call.
*/
#define NFSSVC_BIOD 0x002
#define NFSSVC_NFSD 0x004
#define NFSSVC_ADDSOCK 0x008
#define NFSSVC_AUTHIN 0x010
#define NFSSVC_GOTAUTH 0x040
#define NFSSVC_AUTHINFAIL 0x080
#define NFSSVC_MNTD 0x100
/*
* fs.nfs sysctl(3) identifiers
*/
#define NFS_NFSSTATS 1 /* struct: struct nfsstats */
#define FS_NFS_NAMES { \
{ 0, 0 }, \
{ "nfsstats", CTLTYPE_STRUCT }, \
}
/*
* The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
* What should be in this set is open to debate, but I believe that since
* I/O system calls on ufs are never interrupted by signals the set should
* be minimal. My reasoning is that many current programs that use signals
* such as SIGALRM will not expect file I/O system calls to be interrupted
* by them and break.
*/
#if defined(KERNEL) || defined(_KERNEL)
struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
sigmask(SIGHUP)|sigmask(SIGQUIT))
/*
* Socket errors ignored for connectionless sockets??
* For now, ignore them all
*/
#define NFSIGNORE_SOERROR(s, e) \
((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
((s) & PR_CONNREQUIRED) == 0)
/*
* Nfs outstanding request list element
*/
struct nfsreq {
TAILQ_ENTRY(nfsreq) r_chain;
struct mbuf *r_mreq;
struct mbuf *r_mrep;
struct mbuf *r_md;
caddr_t r_dpos;
struct nfsmount *r_nmp;
struct vnode *r_vp;
u_long r_xid;
int r_flags; /* flags on request, see below */
int r_retry; /* max retransmission count */
int r_rexmit; /* current retrans count */
int r_timer; /* tick counter on reply */
int r_procnum; /* NFS procedure number */
int r_rtt; /* RTT for rpc */
struct proc *r_procp; /* Proc that did I/O system call */
};
/*
* Queue head for nfsreq's
*/
extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
/* Flag values for r_flags */
#define R_TIMING 0x01 /* timing request (in mntp) */
#define R_SENT 0x02 /* request has been sent */
#define R_SOFTTERM 0x04 /* soft mnt, too many retries */
#define R_INTR 0x08 /* intr mnt, signal pending */
#define R_SOCKERR 0x10 /* Fatal error on socket */
#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
#define R_MUSTRESEND 0x40 /* Must resend request */
#define R_GETONEREP 0x80 /* Probe for one reply only */
/*
* A list of nfssvc_sock structures is maintained with all the sockets
* that require service by the nfsd.
* The nfsuid structs hang off of the nfssvc_sock structs in both lru
* and uid hash lists.
*/
#ifndef NFS_UIDHASHSIZ
#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
#endif
#define NUIDHASH(sock, uid) \
(&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
#ifndef NFS_WDELAYHASHSIZ
#define NFS_WDELAYHASHSIZ 16 /* and with this */
#endif
#define NWDELAYHASH(sock, f) \
(&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ])
#ifndef NFS_MUIDHASHSIZ
#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
#endif
#define NMUIDHASH(nmp, uid) \
(&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
#define NFSNOHASH(fhsum) \
(&nfsnodehashtbl[(fhsum) & nfsnodehash])
/*
* Network address hash list element
*/
union nethostaddr {
u_long had_inetaddr;
struct mbuf *had_nam;
};
struct nfsuid {
TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
int nu_flag; /* Flags */
union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
struct ucred nu_cr; /* Cred uid mapped to */
int nu_expire; /* Expiry time (sec) */
struct timeval nu_timestamp; /* Kerb. timestamp */
u_long nu_nickname; /* Nickname on server */
NFSKERBKEY_T nu_key; /* and session key */
};
#define nu_inetaddr nu_haddr.had_inetaddr
#define nu_nam nu_haddr.had_nam
/* Bits for nu_flag */
#define NU_INETADDR 0x1
#define NU_NAM 0x2
#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
struct nfssvc_sock {
TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
TAILQ_HEAD(, nfsuid) ns_uidlruhead;
struct file *ns_fp;
struct socket *ns_so;
struct mbuf *ns_nam;
struct mbuf *ns_raw;
struct mbuf *ns_rawend;
struct mbuf *ns_rec;
struct mbuf *ns_recend;
struct mbuf *ns_frag;
int ns_flag;
int ns_solock;
int ns_cc;
int ns_reclen;
int ns_numuids;
u_long ns_sref;
LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
};
/* Bits for "ns_flag" */
#define SLP_VALID 0x01
#define SLP_DOREC 0x02
#define SLP_NEEDQ 0x04
#define SLP_DISCONN 0x08
#define SLP_GETSTREAM 0x10
#define SLP_LASTFRAG 0x20
#define SLP_ALLFLAGS 0xff
extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
extern int nfssvc_sockhead_flag;
#define SLP_INIT 0x01
#define SLP_WANTINIT 0x02
/*
* One of these structures is allocated for each nfsd.
*/
struct nfsd {
TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
int nfsd_flag; /* NFSD_ flags */
struct nfssvc_sock *nfsd_slp; /* Current socket */
int nfsd_authlen; /* Authenticator len */
u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
int nfsd_verflen; /* and the Verifier */
u_char nfsd_verfstr[RPCVERF_MAXSIZ];
struct proc *nfsd_procp; /* Proc ptr */
struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
};
/* Bits for "nfsd_flag" */
#define NFSD_WAITING 0x01
#define NFSD_REQINPROG 0x02
#define NFSD_NEEDAUTH 0x04
#define NFSD_AUTHFAIL 0x08
/*
* This structure is used by the server for describing each request.
* Some fields are used only when write request gathering is performed.
*/
struct nfsrv_descript {
u_quad_t nd_time; /* Write deadline (usec) */
off_t nd_off; /* Start byte offset */
off_t nd_eoff; /* and end byte offset */
LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
struct mbuf *nd_mrep; /* Request mbuf list */
struct mbuf *nd_md; /* Current dissect mbuf */
struct mbuf *nd_mreq; /* Reply mbuf list */
struct mbuf *nd_nam; /* and socket addr */
struct mbuf *nd_nam2; /* return socket addr */
caddr_t nd_dpos; /* Current dissect pos */
int nd_procnum; /* RPC # */
int nd_stable; /* storage type */
int nd_flag; /* nd_flag */
int nd_len; /* Length of this write */
int nd_repstat; /* Reply status */
u_long nd_retxid; /* Reply xid */
u_long nd_duration; /* Lease duration */
struct timeval nd_starttime; /* Time RPC initiated */
fhandle_t nd_fh; /* File handle */
struct ucred nd_cr; /* Credentials */
};
/* Bits for "nd_flag" */
#define ND_READ LEASE_READ
#define ND_WRITE LEASE_WRITE
#define ND_CHECK 0x04
#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK)
#define ND_NFSV3 0x08
#define ND_NQNFS 0x10
#define ND_KERBNICK 0x20
#define ND_KERBFULL 0x40
#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
extern int nfsd_head_flag;
#define NFSD_CHECKSLP 0x01
/*
* These macros compare nfsrv_descript structures.
*/
#define NFSW_CONTIG(o, n) \
((o)->nd_eoff >= (n)->nd_off && \
!bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
#define NFSW_SAMECRED(o, n) \
(((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
!bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
sizeof (struct ucred)))
int nfs_reply __P((struct nfsreq *));
int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *));
int nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *));
int nfs_sndlock __P((int *,struct nfsreq *));
void nfs_sndunlock __P((int *flagp));
int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int));
int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *));
int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *));
int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *));
int nfs_asyncio __P((struct buf *,struct ucred *));
int nfs_doio __P((struct buf *,struct ucred *,struct proc *));
int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *));
int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *));
int nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *));
int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
void nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *));
void nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **));
void nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **));
int netaddr_match __P((int,union nethostaddr *,struct mbuf *));
int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *));
int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *));
int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int));
void nfsm_adj __P((struct mbuf *,int,int));
int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *));
void nfsrv_initcache __P((void));
int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T));
int nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int));
int nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *));
int nfs_adv __P((struct mbuf **,caddr_t *,int,int));
void nfs_nhinit __P((void));
void nfs_timer __P((void*));
u_long nfs_hash __P((nfsfh_t *,int));
void nfsrv_slpderef __P((struct nfssvc_sock *slp));
int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **));
void nfsrv_cleancache __P((void));
int nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **));
int nfs_init __P((void));
void nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *));
int nfs_connect __P((struct nfsmount *,struct nfsreq *));
void nfs_disconnect __P((struct nfsmount *nmp));
int nfs_getattrcache __P((struct vnode *,struct vattr *));
int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long));
int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *));
int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *));
void nfsrv_init __P((int));
void nfs_clearcommit __P((struct mount *));
int nfsrv_errmap __P((struct nfsrv_descript *, int));
void nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag));
void nfsrvw_sort __P((gid_t [],int));
void nfsrv_setcred __P((struct ucred *,struct ucred *));
int nfs_writebp __P((struct buf *,int));
int nfsrv_object_create __P(( struct vnode * ));
void nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
struct proc *, struct mbuf **));
int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
struct proc *p));
int nfsrv3_access __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,
struct ucred *,struct nfssvc_sock *,struct mbuf *,
int *,int));
int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
struct nfssvc_sock *slp, struct proc *procp,
struct mbuf **mrq));
int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_readdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
struct nfssvc_sock *slp, struct proc *procp,
struct mbuf **mrq));
int nfsrv_readlink __P((struct nfsrv_descript *nfsd,
struct nfssvc_sock *slp, struct proc *procp,
struct mbuf **mrq));
int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_setattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_statfs __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_symlink __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
#endif /* KERNEL */
#endif
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