bsd/nfs/nfsm_subs.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  26 /*
  27  * Copyright (c) 1989, 1993
  28  *      The Regents of the University of California.  All rights reserved.
  29  *
  30  * This code is derived from software contributed to Berkeley by
  31  * Rick Macklem at The University of Guelph.
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  * 3. All advertising materials mentioning features or use of this software
  42  *    must display the following acknowledgement:
  43  *      This product includes software developed by the University of
  44  *      California, Berkeley and its contributors.
  45  * 4. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)nfsm_subs.h 8.2 (Berkeley) 3/30/95
  62  * FreeBSD-Id: nfsm_subs.h,v 1.13 1997/07/16 09:06:30 dfr Exp $
  63  */
  64
  65
  66 #ifndef _NFS_NFSM_SUBS_H_
  67 #define _NFS_NFSM_SUBS_H_
  68
  69 #include <sys/appleapiopts.h>
  70
  71 #ifdef __APPLE_API_PRIVATE
  72 /*
  73  * These macros do strange and peculiar things to mbuf chains for
  74  * the assistance of the nfs code. To attempt to use them for any
  75  * other purpose will be dangerous. (they make weird assumptions)
  76  */
  77
  78 /*
  79  * First define what the actual subs. return
  80  */
  81 struct mbuf *nfsm_reqh __P((struct vnode *vp, u_long procid, int hsiz,
  82                             caddr_t *bposp));
  83 struct mbuf *nfsm_rpchead __P((struct ucred *cr, int nmflag, int procid,
  84                                int auth_type, int auth_len, char *auth_str,
  85                                int verf_len, char *verf_str,
  86                                struct mbuf *mrest, int mrest_len,
  87                                struct mbuf **mbp, u_long *xidp));
  88
  89 #define M_HASCL(m)      ((m)->m_flags & M_EXT)
  90 #define NFSMINOFF(m) \
  91                 if (M_HASCL(m)) \
  92                         (m)->m_data = (m)->m_ext.ext_buf; \
  93                 else if ((m)->m_flags & M_PKTHDR) \
  94                         (m)->m_data = (m)->m_pktdat; \
  95                 else \
  96                         (m)->m_data = (m)->m_dat
  97 #define NFSMADV(m, s)   (m)->m_data += (s)
  98 #define NFSMSIZ(m)      ((M_HASCL(m))?MCLBYTES: \
  99                                 (((m)->m_flags & M_PKTHDR)?MHLEN:MLEN))
 100
 101 /*
 102  * Now for the macros that do the simple stuff and call the functions
 103  * for the hard stuff.
 104  * These macros use several vars. declared in nfsm_reqhead and these
 105  * vars. must not be used elsewhere unless you are careful not to corrupt
 106  * them. The vars. starting with pN and tN (N=1,2,3,..) are temporaries
 107  * that may be used so long as the value is not expected to retained
 108  * after a macro.
 109  * I know, this is kind of dorkey, but it makes the actual op functions
 110  * fairly clean and deals with the mess caused by the xdr discriminating
 111  * unions.
 112  */
 113
 114 #define nfsm_build(a,c,s) \
 115                 { if ((s) > M_TRAILINGSPACE(mb)) { \
 116                         MGET(mb2, M_WAIT, MT_DATA); \
 117                         if ((s) > MLEN) \
 118                                 panic("build > MLEN"); \
 119                         mb->m_next = mb2; \
 120                         mb = mb2; \
 121                         mb->m_len = 0; \
 122                         bpos = mtod(mb, caddr_t); \
 123                 } \
 124                 (a) = (c)(bpos); \
 125                 mb->m_len += (s); \
 126                 bpos += (s); }
 127
 128 #define nfsm_dissect(a, c, s) \
 129                 { t1 = mtod(md, caddr_t)+md->m_len-dpos; \
 130                 if (t1 >= (s)) { \
 131                         (a) = (c)(dpos); \
 132                         dpos += (s); \
 133                 } else if ((t1 = nfsm_disct(&md, &dpos, (s), t1, &cp2))) { \
 134                         error = t1; \
 135                         m_freem(mrep); \
 136                         goto nfsmout; \
 137                 } else { \
 138                         (a) = (c)cp2; \
 139                 } }
 140
 141 #define nfsm_fhtom(v, v3) \
 142               { if (v3) { \
 143                         t2 = nfsm_rndup(VTONFS(v)->n_fhsize) + NFSX_UNSIGNED; \
 144                         if (t2 <= M_TRAILINGSPACE(mb)) { \
 145                                 nfsm_build(tl, u_long *, t2); \
 146                                 *tl++ = txdr_unsigned(VTONFS(v)->n_fhsize); \
 147                                 *(tl + ((t2>>2) - 2)) = 0; \
 148                                 bcopy((caddr_t)VTONFS(v)->n_fhp,(caddr_t)tl, \
 149                                         VTONFS(v)->n_fhsize); \
 150                         } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, \
 151                                 (caddr_t)VTONFS(v)->n_fhp, VTONFS(v)->n_fhsize))) { \
 152                                 error = t2; \
 153                                 m_freem(mreq); \
 154                                 goto nfsmout; \
 155                         } \
 156                 } else { \
 157                         nfsm_build(cp, caddr_t, NFSX_V2FH); \
 158                         bcopy((caddr_t)VTONFS(v)->n_fhp, cp, NFSX_V2FH); \
 159                 } }
 160
 161 #define nfsm_srvfhtom(f, v3) \
 162                 { if (v3) { \
 163                         nfsm_build(tl, u_long *, NFSX_UNSIGNED + NFSX_V3FH); \
 164                         *tl++ = txdr_unsigned(NFSX_V3FH); \
 165                         bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \
 166                 } else { \
 167                         nfsm_build(cp, caddr_t, NFSX_V2FH); \
 168                         bcopy((caddr_t)(f), cp, NFSX_V2FH); \
 169                 } }
 170
 171 #define nfsm_srvpostop_fh(f) \
 172                 { nfsm_build(tl, u_long *, 2 * NFSX_UNSIGNED + NFSX_V3FH); \
 173                 *tl++ = nfs_true; \
 174                 *tl++ = txdr_unsigned(NFSX_V3FH); \
 175                 bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \
 176                 }
 177
 178 #define nfsm_mtofh(d, v, v3, f, x) \
 179                 { struct nfsnode *ttnp; nfsfh_t *ttfhp; int ttfhsize; \
 180                 if (v3) { \
 181                         nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 182                         (f) = fxdr_unsigned(int, *tl); \
 183                 } else \
 184                         (f) = 1; \
 185                 if (f) { \
 186                         nfsm_getfh(ttfhp, ttfhsize, (v3)); \
 187                         if ((t1 = nfs_nget((d)->v_mount, ttfhp, ttfhsize, \
 188                                 &ttnp))) { \
 189                                 error = t1; \
 190                                 m_freem(mrep); \
 191                                 goto nfsmout; \
 192                         } \
 193                         (v) = NFSTOV(ttnp); \
 194                 } \
 195                 if (v3) { \
 196                         nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 197                         if (f) \
 198                                 (f) = fxdr_unsigned(int, *tl); \
 199                         else if (fxdr_unsigned(int, *tl)) \
 200                                 nfsm_adv(NFSX_V3FATTR); \
 201                 } \
 202                 if (f) \
 203                         nfsm_loadattr((v), (struct vattr *)0, (x)); \
 204                 }
 205
 206 #define nfsm_getfh(f, s, v3) \
 207                 { if (v3) { \
 208                         nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 209                         if (((s) = fxdr_unsigned(int, *tl)) <= 0 || \
 210                                 (s) > NFSX_V3FHMAX) { \
 211                                 m_freem(mrep); \
 212                                 error = EBADRPC; \
 213                                 goto nfsmout; \
 214                         } \
 215                 } else \
 216                         (s) = NFSX_V2FH; \
 217                 nfsm_dissect((f), nfsfh_t *, nfsm_rndup(s)); }
 218
 219 #define nfsm_loadattr(v, a, x) \
 220                 { struct vnode *ttvp = (v); \
 221                 if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, (a), 0, \
 222                                             (x)))) { \
 223                         error = t1; \
 224                         m_freem(mrep); \
 225                         goto nfsmout; \
 226                 } \
 227                 (v) = ttvp; }
 228
 229 #define nfsm_postop_attr(v, f, x) \
 230                 { struct vnode *ttvp = (v); \
 231                 nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 232                 if (((f) = fxdr_unsigned(int, *tl))) { \
 233                         if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, \
 234                                         (struct vattr *)0, 1, (x)))) { \
 235                                 error = t1; \
 236                                 (f) = 0; \
 237                                 m_freem(mrep); \
 238                                 goto nfsmout; \
 239                         } \
 240                         if (*(x) == 0) \
 241                                 (f) = 0; \
 242                         (v) = ttvp; \
 243                 } }
 244
 245 /* Used as (f) for nfsm_wcc_data() */
 246 #define NFSV3_WCCRATTR  0
 247 #define NFSV3_WCCCHK    1
 248
 249 #define nfsm_wcc_data(v, f, x) \
 250                 { int ttattrf, ttretf = 0; \
 251                 nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 252                 if (*tl == nfs_true) { \
 253                         nfsm_dissect(tl, u_long *, 6 * NFSX_UNSIGNED); \
 254                         if (f) \
 255                                 ttretf = (VTONFS(v)->n_mtime == \
 256                                         fxdr_unsigned(u_long, *(tl + 2))); \
 257                 } \
 258                 nfsm_postop_attr((v), ttattrf, (x)); \
 259                 if (f) { \
 260                         (f) = ttretf; \
 261                 } else { \
 262                         (f) = ttattrf; \
 263                 } }
 264
 265 #define nfsm_v3sattr(s, a, u, g) \
 266                 { (s)->sa_modetrue = nfs_true; \
 267                 (s)->sa_mode = vtonfsv3_mode((a)->va_mode); \
 268                 (s)->sa_uidtrue = nfs_true; \
 269                 (s)->sa_uid = txdr_unsigned(u); \
 270                 (s)->sa_gidtrue = nfs_true; \
 271                 (s)->sa_gid = txdr_unsigned(g); \
 272                 (s)->sa_sizefalse = nfs_false; \
 273                 (s)->sa_atimetype = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
 274                 (s)->sa_mtimetype = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
 275                 }
 276
 277 #define nfsm_strsiz(s,m) \
 278                 { nfsm_dissect(tl,u_long *,NFSX_UNSIGNED); \
 279                 if (((s) = fxdr_unsigned(long,*tl)) > (m)) { \
 280                         m_freem(mrep); \
 281                         error = EBADRPC; \
 282                         goto nfsmout; \
 283                 } }
 284
 285 #define nfsm_srvstrsiz(s,m) \
 286                 { nfsm_dissect(tl,u_long *,NFSX_UNSIGNED); \
 287                 if (((s) = fxdr_unsigned(long,*tl)) > (m) || (s) <= 0) { \
 288                         error = EBADRPC; \
 289                         nfsm_reply(0); \
 290                 } }
 291
 292 #define nfsm_srvnamesiz(s) \
 293                 { nfsm_dissect(tl,u_long *,NFSX_UNSIGNED); \
 294                 if (((s) = fxdr_unsigned(long,*tl)) > NFS_MAXNAMLEN) \
 295                         error = NFSERR_NAMETOL; \
 296                 if ((s) <= 0) \
 297                         error = EBADRPC; \
 298                 if (error) \
 299                         nfsm_reply(0); \
 300                 }
 301
 302 #define nfsm_mtouio(p,s) \
 303                 if ((s) > 0 && \
 304                    (t1 = nfsm_mbuftouio(&md,(p),(s),&dpos))) { \
 305                         error = t1; \
 306                         m_freem(mrep); \
 307                         goto nfsmout; \
 308                 }
 309
 310 #define nfsm_uiotom(p,s) \
 311                 if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos))) { \
 312                         error = t1; \
 313                         m_freem(mreq); \
 314                         goto nfsmout; \
 315                 }
 316
 317 #define nfsm_reqhead(v,a,s) \
 318                 mb = mreq = nfsm_reqh((v),(a),(s),&bpos)
 319
 320 #define nfsm_reqdone    m_freem(mrep); \
 321                 nfsmout:
 322
 323 #define nfsm_rndup(a)   (((a)+3)&(~0x3))
 324
 325 /*
 326 * We seem to see cases mainly on shutdown where the vnode got recycled
 327 * on use while waiting on server. Maybe nfs vnode locking will help if
 328 * we implement that, but for now, check for bad vnodes and return an
 329 * error. This call spot should catch most of them. Note that NFSv2
 330 * just goes to nfsmout here, while nfsV3 goes back to caller's next
 331 * line for post-processing. It will do a nfsm_reqdone also making
 332 * m_freem(mrep). Wondering if some of our freeing problems could be
 333 * due to nfsv3 calling nfsm_reqdone unlike nfsv2. Separate problem.
 334 */
 335 #define nfsm_request(v, t, p, c, x)     \
 336                 { \
 337                 int nfsv3 = (VFSTONFS((v)->v_mount))->nm_flag & NFSMNT_NFSV3; \
 338                 if ((error = nfs_request((v), mreq, (t), (p), \
 339                    (c), &mrep, &md, &dpos, (x)))) { \
 340                         if (error & NFSERR_RETERR) \
 341                                 error &= ~NFSERR_RETERR; \
 342                         else \
 343                                 goto nfsmout; \
 344                 } \
 345                 else if ((v)->v_type==VBAD) { \
 346                     error = EINVAL; \
 347                     if (!nfsv3) \
 348                         goto nfsmout; \
 349                 } \
 350                 }
 351
 352 #define nfsm_strtom(a,s,m) \
 353                 if ((s) > (m)) { \
 354                         m_freem(mreq); \
 355                         error = ENAMETOOLONG; \
 356                         goto nfsmout; \
 357                 } \
 358                 t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \
 359                 if (t2 <= M_TRAILINGSPACE(mb)) { \
 360                         nfsm_build(tl,u_long *,t2); \
 361                         *tl++ = txdr_unsigned(s); \
 362                         *(tl+((t2>>2)-2)) = 0; \
 363                         bcopy((caddr_t)(a), (caddr_t)tl, (s)); \
 364                 } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s)))) { \
 365                         error = t2; \
 366                         m_freem(mreq); \
 367                         goto nfsmout; \
 368                 }
 369
 370 #define nfsm_srvdone \
 371                 nfsmout: \
 372                 return(error)
 373
 374 #define nfsm_reply(s) \
 375                 { \
 376                 nfsd->nd_repstat = error; \
 377                 if (error && !(nfsd->nd_flag & ND_NFSV3)) \
 378                    (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
 379                         mrq, &mb, &bpos); \
 380                 else \
 381                    (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
 382                         mrq, &mb, &bpos); \
 383                 m_freem(mrep); \
 384                 mreq = *mrq; \
 385                 if (error && (!(nfsd->nd_flag & ND_NFSV3) || \
 386                         error == EBADRPC)) \
 387                         return(0); \
 388                 }
 389
 390 #define nfsm_writereply(s, v3) \
 391                 { \
 392                 nfsd->nd_repstat = error; \
 393                 if (error && !(v3)) \
 394                    (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
 395                         &mreq, &mb, &bpos); \
 396                 else \
 397                    (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
 398                         &mreq, &mb, &bpos); \
 399                 }
 400
 401 #define nfsm_adv(s) \
 402                 { t1 = mtod(md, caddr_t)+md->m_len-dpos; \
 403                 if (t1 >= (s)) { \
 404                         dpos += (s); \
 405                 } else if ((t1 = nfs_adv(&md, &dpos, (s), t1))) { \
 406                         error = t1; \
 407                         m_freem(mrep); \
 408                         goto nfsmout; \
 409                 } }
 410
 411 #define nfsm_srvmtofh(f) \
 412                 { if (nfsd->nd_flag & ND_NFSV3) { \
 413                         nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 414                         if (fxdr_unsigned(int, *tl) != NFSX_V3FH) { \
 415                                 error = EBADRPC; \
 416                                 nfsm_reply(0); \
 417                         } \
 418                 } \
 419                 nfsm_dissect(tl, u_long *, NFSX_V3FH); \
 420                 bcopy((caddr_t)tl, (caddr_t)(f), NFSX_V3FH); \
 421                 if ((nfsd->nd_flag & ND_NFSV3) == 0) \
 422                         nfsm_adv(NFSX_V2FH - NFSX_V3FH); \
 423                 }
 424
 425 #define nfsm_clget \
 426                 if (bp >= be) { \
 427                         if (mp == mb) \
 428                                 mp->m_len += bp-bpos; \
 429                         MGET(mp, M_WAIT, MT_DATA); \
 430                         MCLGET(mp, M_WAIT); \
 431                         mp->m_len = NFSMSIZ(mp); \
 432                         mp2->m_next = mp; \
 433                         mp2 = mp; \
 434                         bp = mtod(mp, caddr_t); \
 435                         be = bp+mp->m_len; \
 436                 } \
 437                 tl = (u_long *)bp
 438
 439 #define nfsm_srvfillattr(a, f) \
 440                 nfsm_srvfattr(nfsd, (a), (f))
 441
 442 #define nfsm_srvwcc_data(br, b, ar, a) \
 443                 nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos)
 444
 445 #define nfsm_srvpostop_attr(r, a) \
 446                 nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos)
 447
 448 #define nfsm_srvsattr(a) \
 449                 { nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 450                 if (*tl == nfs_true) { \
 451                         nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 452                         (a)->va_mode = nfstov_mode(*tl); \
 453                 } \
 454                 nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 455                 if (*tl == nfs_true) { \
 456                         nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 457                         (a)->va_uid = fxdr_unsigned(uid_t, *tl); \
 458                 } \
 459                 nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 460                 if (*tl == nfs_true) { \
 461                         nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 462                         (a)->va_gid = fxdr_unsigned(gid_t, *tl); \
 463                 } \
 464                 nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 465                 if (*tl == nfs_true) { \
 466                         nfsm_dissect(tl, u_long *, 2 * NFSX_UNSIGNED); \
 467                         fxdr_hyper(tl, &(a)->va_size); \
 468                 } \
 469                 nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 470                 switch (fxdr_unsigned(int, *tl)) { \
 471                 case NFSV3SATTRTIME_TOCLIENT: \
 472                         nfsm_dissect(tl, u_long *, 2 * NFSX_UNSIGNED); \
 473                         fxdr_nfsv3time(tl, &(a)->va_atime); \
 474                         break; \
 475                 case NFSV3SATTRTIME_TOSERVER: \
 476                         (a)->va_atime.tv_sec = time.tv_sec; \
 477                         (a)->va_atime.tv_nsec = time.tv_usec * 1000; \
 478                         break; \
 479                 }; \
 480                 nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
 481                 switch (fxdr_unsigned(int, *tl)) { \
 482                 case NFSV3SATTRTIME_TOCLIENT: \
 483                         nfsm_dissect(tl, u_long *, 2 * NFSX_UNSIGNED); \
 484                         fxdr_nfsv3time(tl, &(a)->va_mtime); \
 485                         break; \
 486                 case NFSV3SATTRTIME_TOSERVER: \
 487                         (a)->va_mtime.tv_sec = time.tv_sec; \
 488                         (a)->va_mtime.tv_nsec = time.tv_usec * 1000; \
 489                         break; \
 490                 }; }
 491
 492 #endif /* __APPLE_API_PRIVATE */
 493 #endif /* _NFS_NFSM_SUBS_H_ */