nfsrvstats.h revision 11982
1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)nfs.h 8.1 (Berkeley) 6/10/93 37 * $Id: nfs.h,v 1.12 1995/10/29 15:32:43 phk Exp $ 38 */ 39 40#ifndef _NFS_NFS_H_ 41#define _NFS_NFS_H_ 42 43#include <nfs/rpcv2.h> 44 45/* 46 * Tunable constants for nfs 47 */ 48 49#define NFS_MAXIOVEC 34 50#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 51#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 52#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 53#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 54#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 55#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 56#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 57#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 58#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 59#define NFS_MAXGRPS 16 /* Max. size of groups list */ 60#ifndef NFS_MINATTRTIMO 61#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ 62#endif 63#ifndef NFS_MAXATTRTIMO 64#define NFS_MAXATTRTIMO 60 65#endif 66#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 67#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 68#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 69#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 70#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 71#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 72#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */ 73#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 74#ifndef NFS_GATHERDELAY 75#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 76#endif 77#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 78 79/* 80 * Oddballs 81 */ 82#define NMOD(a) ((a) % nfs_asyncdaemons) 83#define NFS_CMPFH(n, f, s) \ 84 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 85#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 86#define NFS_SRVMAXDATA(n) \ 87 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 88 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 89 90/* 91 * XXX 92 * sys/buf.h should be editted to change B_APPENDWRITE --> B_NEEDCOMMIT, but 93 * until then... 94 * Same goes for sys/malloc.h, which needs M_NFSDIROFF, 95 * M_NFSRVDESC and M_NFSBIGFH added. 96 * The VA_EXCLUSIVE flag should be added for va_vaflags and set for an 97 * exclusive create. 98 * The B_INVAFTERWRITE flag should be set to whatever is required by the 99 * buffer cache code to say "Invalidate the block after it is written back". 100 */ 101#ifndef B_NEEDCOMMIT 102#define B_NEEDCOMMIT B_APPENDWRITE 103#endif 104#ifndef M_NFSRVDESC 105#define M_NFSRVDESC M_TEMP 106#endif 107#ifndef M_NFSDIROFF 108#define M_NFSDIROFF M_TEMP 109#endif 110#ifndef M_NFSBIGFH 111#define M_NFSBIGFH M_TEMP 112#endif 113#ifndef VA_EXCLUSIVE 114#define VA_EXCLUSIVE 0 115#endif 116#ifdef __FreeBSD__ 117#define B_INVAFTERWRITE B_NOCACHE 118#else 119#define B_INVAFTERWRITE B_INVAL 120#endif 121 122/* 123 * These ifdefs try to handle the differences between the various 4.4BSD-Lite 124 * based vfs interfaces. 125 * btw: NetBSD-current does have a VOP_LEASDE(), but I don't know how to 126 * differentiate between NetBSD-1.0 and NetBSD-current, so.. 127 * I also don't know about BSDi's 2.0 release. 128 */ 129#if !defined(HAS_VOPLEASE) && !defined(__FreeBSD__) && !defined(__NetBSD__) 130#define HAS_VOPLEASE 1 131#endif 132#if !defined(HAS_VOPREVOKE) && !defined(__FreeBSD__) && !defined(__NetBSD__) 133#define HAS_VOPREVOKE 1 134#endif 135 136/* 137 * The IO_METASYNC flag should be implemented for local file systems. 138 * (Until then, it is nothin at all.) 139 */ 140#ifndef IO_METASYNC 141#define IO_METASYNC 0 142#endif 143 144/* 145 * Set the attribute timeout based on how recently the file has been modified. 146 */ 147#define NFS_ATTRTIMEO(np) \ 148 ((((np)->n_flag & NMODIFIED) || \ 149 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \ 150 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \ 151 (time.tv_sec - (np)->n_mtime) / 10)) 152 153/* 154 * Expected allocation sizes for major data structures. If the actual size 155 * of the structure exceeds these sizes, then malloc() will be allocating 156 * almost twice the memory required. This is used in nfs_init() to warn 157 * the sysadmin that the size of a structure should be reduced. 158 * (These sizes are always a power of 2. If the kernel malloc() changes 159 * to one that does not allocate space in powers of 2 size, then this all 160 * becomes bunk!) 161 */ 162#define NFS_NODEALLOC 256 163#define NFS_MNTALLOC 512 164#define NFS_SVCALLOC 256 165#define NFS_UIDALLOC 128 166 167/* 168 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 169 * should ever try and use it. 170 */ 171struct nfsd_args { 172 int sock; /* Socket to serve */ 173 caddr_t name; /* Client address for connection based sockets */ 174 int namelen; /* Length of name */ 175}; 176 177struct nfsd_srvargs { 178 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 179 uid_t nsd_uid; /* Effective uid mapped to cred */ 180 u_long nsd_haddr; /* Ip address of client */ 181 struct ucred nsd_cr; /* Cred. uid maps to */ 182 int nsd_authlen; /* Length of auth string (ret) */ 183 u_char *nsd_authstr; /* Auth string (ret) */ 184 int nsd_verflen; /* and the verfier */ 185 u_char *nsd_verfstr; 186 struct timeval nsd_timestamp; /* timestamp from verifier */ 187 u_long nsd_ttl; /* credential ttl (sec) */ 188 NFSKERBKEY_T nsd_key; /* Session key */ 189}; 190 191struct nfsd_cargs { 192 char *ncd_dirp; /* Mount dir path */ 193 uid_t ncd_authuid; /* Effective uid */ 194 int ncd_authtype; /* Type of authenticator */ 195 int ncd_authlen; /* Length of authenticator string */ 196 u_char *ncd_authstr; /* Authenticator string */ 197 int ncd_verflen; /* and the verifier */ 198 u_char *ncd_verfstr; 199 NFSKERBKEY_T ncd_key; /* Session key */ 200}; 201 202/* 203 * Stats structure 204 */ 205struct nfsstats { 206 int attrcache_hits; 207 int attrcache_misses; 208 int lookupcache_hits; 209 int lookupcache_misses; 210 int direofcache_hits; 211 int direofcache_misses; 212 int biocache_reads; 213 int read_bios; 214 int read_physios; 215 int biocache_writes; 216 int write_bios; 217 int write_physios; 218 int biocache_readlinks; 219 int readlink_bios; 220 int biocache_readdirs; 221 int readdir_bios; 222 int rpccnt[NFS_NPROCS]; 223 int rpcretries; 224 int srvrpccnt[NFS_NPROCS]; 225 int srvrpc_errs; 226 int srv_errs; 227 int rpcrequests; 228 int rpctimeouts; 229 int rpcunexpected; 230 int rpcinvalid; 231 int srvcache_inproghits; 232 int srvcache_idemdonehits; 233 int srvcache_nonidemdonehits; 234 int srvcache_misses; 235 int srvnqnfs_leases; 236 int srvnqnfs_maxleases; 237 int srvnqnfs_getleases; 238 int srvvop_writes; 239}; 240 241/* 242 * Flags for nfssvc() system call. 243 */ 244#define NFSSVC_BIOD 0x002 245#define NFSSVC_NFSD 0x004 246#define NFSSVC_ADDSOCK 0x008 247#define NFSSVC_AUTHIN 0x010 248#define NFSSVC_GOTAUTH 0x040 249#define NFSSVC_AUTHINFAIL 0x080 250#define NFSSVC_MNTD 0x100 251 252/* 253 * fs.nfs sysctl(3) identifiers 254 */ 255#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 256 257#define FS_NFS_NAMES { \ 258 { 0, 0 }, \ 259 { "nfsstats", CTLTYPE_STRUCT }, \ 260} 261 262/* 263 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 264 * What should be in this set is open to debate, but I believe that since 265 * I/O system calls on ufs are never interrupted by signals the set should 266 * be minimal. My reasoning is that many current programs that use signals 267 * such as SIGALRM will not expect file I/O system calls to be interrupted 268 * by them and break. 269 */ 270#if defined(KERNEL) || defined(_KERNEL) 271 272struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 273 274#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 275 sigmask(SIGHUP)|sigmask(SIGQUIT)) 276 277/* 278 * Socket errors ignored for connectionless sockets?? 279 * For now, ignore them all 280 */ 281#define NFSIGNORE_SOERROR(s, e) \ 282 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 283 ((s) & PR_CONNREQUIRED) == 0) 284 285/* 286 * Nfs outstanding request list element 287 */ 288struct nfsreq { 289 TAILQ_ENTRY(nfsreq) r_chain; 290 struct mbuf *r_mreq; 291 struct mbuf *r_mrep; 292 struct mbuf *r_md; 293 caddr_t r_dpos; 294 struct nfsmount *r_nmp; 295 struct vnode *r_vp; 296 u_long r_xid; 297 int r_flags; /* flags on request, see below */ 298 int r_retry; /* max retransmission count */ 299 int r_rexmit; /* current retrans count */ 300 int r_timer; /* tick counter on reply */ 301 int r_procnum; /* NFS procedure number */ 302 int r_rtt; /* RTT for rpc */ 303 struct proc *r_procp; /* Proc that did I/O system call */ 304}; 305 306/* 307 * Queue head for nfsreq's 308 */ 309extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 310 311/* Flag values for r_flags */ 312#define R_TIMING 0x01 /* timing request (in mntp) */ 313#define R_SENT 0x02 /* request has been sent */ 314#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 315#define R_INTR 0x08 /* intr mnt, signal pending */ 316#define R_SOCKERR 0x10 /* Fatal error on socket */ 317#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 318#define R_MUSTRESEND 0x40 /* Must resend request */ 319#define R_GETONEREP 0x80 /* Probe for one reply only */ 320 321/* 322 * A list of nfssvc_sock structures is maintained with all the sockets 323 * that require service by the nfsd. 324 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 325 * and uid hash lists. 326 */ 327#ifndef NFS_UIDHASHSIZ 328#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 329#endif 330#define NUIDHASH(sock, uid) \ 331 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 332#ifndef NFS_WDELAYHASHSIZ 333#define NFS_WDELAYHASHSIZ 16 /* and with this */ 334#endif 335#define NWDELAYHASH(sock, f) \ 336 (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ]) 337#ifndef NFS_MUIDHASHSIZ 338#define NFS_MUIDHASHSIZ 67 /* Tune the size of nfsmount with this */ 339#endif 340#define NMUIDHASH(nmp, uid) \ 341 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 342#define NFSNOHASH(fhsum) \ 343 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 344 345/* 346 * Network address hash list element 347 */ 348union nethostaddr { 349 u_long had_inetaddr; 350 struct mbuf *had_nam; 351}; 352 353struct nfsuid { 354 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 355 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 356 int nu_flag; /* Flags */ 357 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 358 struct ucred nu_cr; /* Cred uid mapped to */ 359 int nu_expire; /* Expiry time (sec) */ 360 struct timeval nu_timestamp; /* Kerb. timestamp */ 361 u_long nu_nickname; /* Nickname on server */ 362 NFSKERBKEY_T nu_key; /* and session key */ 363}; 364 365#define nu_inetaddr nu_haddr.had_inetaddr 366#define nu_nam nu_haddr.had_nam 367/* Bits for nu_flag */ 368#define NU_INETADDR 0x1 369#define NU_NAM 0x2 370#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 371 372struct nfssvc_sock { 373 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 374 TAILQ_HEAD(, nfsuid) ns_uidlruhead; 375 struct file *ns_fp; 376 struct socket *ns_so; 377 struct mbuf *ns_nam; 378 struct mbuf *ns_raw; 379 struct mbuf *ns_rawend; 380 struct mbuf *ns_rec; 381 struct mbuf *ns_recend; 382 struct mbuf *ns_frag; 383 int ns_flag; 384 int ns_solock; 385 int ns_cc; 386 int ns_reclen; 387 int ns_numuids; 388 u_long ns_sref; 389 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 390 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 391 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 392}; 393 394/* Bits for "ns_flag" */ 395#define SLP_VALID 0x01 396#define SLP_DOREC 0x02 397#define SLP_NEEDQ 0x04 398#define SLP_DISCONN 0x08 399#define SLP_GETSTREAM 0x10 400#define SLP_LASTFRAG 0x20 401#define SLP_ALLFLAGS 0xff 402 403extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 404extern int nfssvc_sockhead_flag; 405#define SLP_INIT 0x01 406#define SLP_WANTINIT 0x02 407 408/* 409 * One of these structures is allocated for each nfsd. 410 */ 411struct nfsd { 412 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 413 int nfsd_flag; /* NFSD_ flags */ 414 struct nfssvc_sock *nfsd_slp; /* Current socket */ 415 int nfsd_authlen; /* Authenticator len */ 416 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 417 int nfsd_verflen; /* and the Verifier */ 418 u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 419 struct proc *nfsd_procp; /* Proc ptr */ 420 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 421}; 422 423/* Bits for "nfsd_flag" */ 424#define NFSD_WAITING 0x01 425#define NFSD_REQINPROG 0x02 426#define NFSD_NEEDAUTH 0x04 427#define NFSD_AUTHFAIL 0x08 428 429/* 430 * This structure is used by the server for describing each request. 431 * Some fields are used only when write request gathering is performed. 432 */ 433struct nfsrv_descript { 434 u_quad_t nd_time; /* Write deadline (usec) */ 435 off_t nd_off; /* Start byte offset */ 436 off_t nd_eoff; /* and end byte offset */ 437 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 438 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 439 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 440 struct mbuf *nd_mrep; /* Request mbuf list */ 441 struct mbuf *nd_md; /* Current dissect mbuf */ 442 struct mbuf *nd_mreq; /* Reply mbuf list */ 443 struct mbuf *nd_nam; /* and socket addr */ 444 struct mbuf *nd_nam2; /* return socket addr */ 445 caddr_t nd_dpos; /* Current dissect pos */ 446 int nd_procnum; /* RPC # */ 447 int nd_stable; /* storage type */ 448 int nd_flag; /* nd_flag */ 449 int nd_len; /* Length of this write */ 450 int nd_repstat; /* Reply status */ 451 u_long nd_retxid; /* Reply xid */ 452 u_long nd_duration; /* Lease duration */ 453 struct timeval nd_starttime; /* Time RPC initiated */ 454 fhandle_t nd_fh; /* File handle */ 455 struct ucred nd_cr; /* Credentials */ 456}; 457 458/* Bits for "nd_flag" */ 459#define ND_READ LEASE_READ 460#define ND_WRITE LEASE_WRITE 461#define ND_CHECK 0x04 462#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 463#define ND_NFSV3 0x08 464#define ND_NQNFS 0x10 465#define ND_KERBNICK 0x20 466#define ND_KERBFULL 0x40 467#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 468 469extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 470extern int nfsd_head_flag; 471#define NFSD_CHECKSLP 0x01 472 473/* 474 * These macros compare nfsrv_descript structures. 475 */ 476#define NFSW_CONTIG(o, n) \ 477 ((o)->nd_eoff >= (n)->nd_off && \ 478 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 479 480#define NFSW_SAMECRED(o, n) \ 481 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 482 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 483 sizeof (struct ucred))) 484 485int nfs_reply __P((struct nfsreq *)); 486int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 487int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *)); 488int nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *)); 489int nfs_sndlock __P((int *,struct nfsreq *)); 490int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 491int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int)); 492int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *)); 493int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *)); 494int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *)); 495int nfs_asyncio __P((struct buf *,struct ucred *)); 496int nfs_doio __P((struct buf *,struct ucred *,struct proc *)); 497int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *)); 498int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *)); 499int nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *)); 500int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 501void nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *)); 502void nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **)); 503void nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **)); 504int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,struct ucred *,struct nfssvc_sock *,struct mbuf *,int *,int)); 505int nfsrv_access __P((struct vnode *,int,struct ucred *,int,struct proc *)); 506int netaddr_match __P((int,union nethostaddr *,struct mbuf *)); 507int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *)); 508int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *)); 509int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int)); 510void nfsm_adj __P((struct mbuf *,int,int)); 511int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *)); 512void nfsrv_initcache __P((void)); 513int nfs_rcvlock __P((struct nfsreq *)); 514int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T)); 515int nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int)); 516int nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *)); 517int nfs_msg __P((struct proc *,char *,char *)); 518int nfs_adv __P((struct mbuf **,caddr_t *,int,int)); 519int nfsrv_getstream __P((struct nfssvc_sock *,int)); 520void nfs_nhinit __P((void)); 521void nfs_timer __P((void*)); 522u_long nfs_hash __P((nfsfh_t *,int)); 523int nfssvc_iod __P((struct proc *)); 524int nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t,struct proc *)); 525int nfssvc_addsock __P((struct file *,struct mbuf *)); 526int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **)); 527int nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **)); 528void nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *)); 529int mountnfs __P((struct nfs_args *,struct mount *,struct mbuf *,char *,char *,struct vnode **)); 530int nfs_connect __P((struct nfsmount *,struct nfsreq *)); 531int nfs_getattrcache __P((struct vnode *,struct vattr *)); 532int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long)); 533int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *)); 534int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *)); 535void nfsrv_init __P((int)); 536void nfs_clearcommit __P((struct mount *)); 537int nfsrv_errmap __P((struct nfsrv_descript *, int)); 538void nfsrvw_coalesce __P((struct nfsrv_descript *,struct nfsrv_descript *)); 539void nfsrvw_sort __P((gid_t [],int)); 540void nfsrv_setcred __P((struct ucred *,struct ucred *)); 541int nfs_writebp __P((struct buf *,int)); 542int nfsrv_vput __P(( struct vnode * )); 543int nfsrv_vrele __P(( struct vnode * )); 544int nfsrv_vmio __P(( struct vnode * )); 545int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 546 struct proc *, struct mbuf **)); 547int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 548 struct proc *p)); 549 550#endif /* KERNEL */ 551 552#endif 553