include/linux/nfs_xdr.h

   1 #ifndef _LINUX_NFS_XDR_H
   2 #define _LINUX_NFS_XDR_H
   3
   4 #include <linux/sunrpc/xprt.h>
   5 #include <linux/nfsacl.h>
   6
   7 /*
   8  * To change the maximum rsize and wsize supported by the NFS client, adjust
   9  * NFS_MAX_FILE_IO_SIZE.  64KB is a typical maximum, but some servers can
  10  * support a megabyte or more.  The default is left at 4096 bytes, which is
  11  * reasonable for NFS over UDP.
  12  */
  13 #define NFS_MAX_FILE_IO_SIZE    (1048576U)
  14 #define NFS_DEF_FILE_IO_SIZE    (4096U)
  15 #define NFS_MIN_FILE_IO_SIZE    (1024U)
  16
  17 struct nfs4_fsid {
  18         __u64 major;
  19         __u64 minor;
  20 };
  21
  22 struct nfs_fattr {
  23         unsigned short          valid;          /* which fields are valid */
  24         __u64                   pre_size;       /* pre_op_attr.size       */
  25         struct timespec         pre_mtime;      /* pre_op_attr.mtime      */
  26         struct timespec         pre_ctime;      /* pre_op_attr.ctime      */
  27         enum nfs_ftype          type;           /* always use NFSv2 types */
  28         __u32                   mode;
  29         __u32                   nlink;
  30         __u32                   uid;
  31         __u32                   gid;
  32         __u64                   size;
  33         union {
  34                 struct {
  35                         __u32   blocksize;
  36                         __u32   blocks;
  37                 } nfs2;
  38                 struct {
  39                         __u64   used;
  40                 } nfs3;
  41         } du;
  42         dev_t                   rdev;
  43         union {
  44                 __u64           nfs3;           /* also nfs2 */
  45                 struct nfs4_fsid nfs4;
  46         } fsid_u;
  47         __u64                   fileid;
  48         struct timespec         atime;
  49         struct timespec         mtime;
  50         struct timespec         ctime;
  51         __u32                   bitmap[2];      /* NFSv4 returned attribute bitmap */
  52         __u64                   change_attr;    /* NFSv4 change attribute */
  53         __u64                   pre_change_attr;/* pre-op NFSv4 change attribute */
  54         unsigned long           time_start;
  55 };
  56
  57 #define NFS_ATTR_WCC            0x0001          /* pre-op WCC data    */
  58 #define NFS_ATTR_FATTR          0x0002          /* post-op attributes */
  59 #define NFS_ATTR_FATTR_V3       0x0004          /* NFSv3 attributes */
  60 #define NFS_ATTR_FATTR_V4       0x0008
  61 #define NFS_ATTR_PRE_CHANGE     0x0010
  62
  63 /*
  64  * Info on the file system
  65  */
  66 struct nfs_fsinfo {
  67         struct nfs_fattr        *fattr; /* Post-op attributes */
  68         __u32                   rtmax;  /* max.  read transfer size */
  69         __u32                   rtpref; /* pref. read transfer size */
  70         __u32                   rtmult; /* reads should be multiple of this */
  71         __u32                   wtmax;  /* max.  write transfer size */
  72         __u32                   wtpref; /* pref. write transfer size */
  73         __u32                   wtmult; /* writes should be multiple of this */
  74         __u32                   dtpref; /* pref. readdir transfer size */
  75         __u64                   maxfilesize;
  76         __u32                   lease_time; /* in seconds */
  77 };
  78
  79 struct nfs_fsstat {
  80         struct nfs_fattr        *fattr; /* Post-op attributes */
  81         __u64                   tbytes; /* total size in bytes */
  82         __u64                   fbytes; /* # of free bytes */
  83         __u64                   abytes; /* # of bytes available to user */
  84         __u64                   tfiles; /* # of files */
  85         __u64                   ffiles; /* # of free files */
  86         __u64                   afiles; /* # of files available to user */
  87 };
  88
  89 struct nfs2_fsstat {
  90         __u32                   tsize;  /* Server transfer size */
  91         __u32                   bsize;  /* Filesystem block size */
  92         __u32                   blocks; /* No. of "bsize" blocks on filesystem */
  93         __u32                   bfree;  /* No. of free "bsize" blocks */
  94         __u32                   bavail; /* No. of available "bsize" blocks */
  95 };
  96
  97 struct nfs_pathconf {
  98         struct nfs_fattr        *fattr; /* Post-op attributes */
  99         __u32                   max_link; /* max # of hard links */
 100         __u32                   max_namelen; /* max name length */
 101 };
 102
 103 struct nfs4_change_info {
 104         u32                     atomic;
 105         u64                     before;
 106         u64                     after;
 107 };
 108
 109 struct nfs_seqid;
 110 /*
 111  * Arguments to the open call.
 112  */
 113 struct nfs_openargs {
 114         const struct nfs_fh *   fh;
 115         struct nfs_seqid *      seqid;
 116         int                     open_flags;
 117         __u64                   clientid;
 118         __u32                   id;
 119         union {
 120                 struct iattr *  attrs;    /* UNCHECKED, GUARDED */
 121                 nfs4_verifier   verifier; /* EXCLUSIVE */
 122                 nfs4_stateid    delegation;             /* CLAIM_DELEGATE_CUR */
 123                 int             delegation_type;        /* CLAIM_PREVIOUS */
 124         } u;
 125         const struct qstr *     name;
 126         const struct nfs_server *server;         /* Needed for ID mapping */
 127         const u32 *             bitmask;
 128         __u32                   claim;
 129 };
 130
 131 struct nfs_openres {
 132         nfs4_stateid            stateid;
 133         struct nfs_fh           fh;
 134         struct nfs4_change_info cinfo;
 135         __u32                   rflags;
 136         struct nfs_fattr *      f_attr;
 137         struct nfs_fattr *      dir_attr;
 138         const struct nfs_server *server;
 139         int                     delegation_type;
 140         nfs4_stateid            delegation;
 141         __u32                   do_recall;
 142         __u64                   maxsize;
 143 };
 144
 145 /*
 146  * Arguments to the open_confirm call.
 147  */
 148 struct nfs_open_confirmargs {
 149         const struct nfs_fh *   fh;
 150         nfs4_stateid *          stateid;
 151         struct nfs_seqid *      seqid;
 152 };
 153
 154 struct nfs_open_confirmres {
 155         nfs4_stateid            stateid;
 156 };
 157
 158 /*
 159  * Arguments to the close call.
 160  */
 161 struct nfs_closeargs {
 162         struct nfs_fh *         fh;
 163         nfs4_stateid *          stateid;
 164         struct nfs_seqid *      seqid;
 165         int                     open_flags;
 166         const u32 *             bitmask;
 167 };
 168
 169 struct nfs_closeres {
 170         nfs4_stateid            stateid;
 171         struct nfs_fattr *      fattr;
 172         const struct nfs_server *server;
 173 };
 174 /*
 175  *  * Arguments to the lock,lockt, and locku call.
 176  *   */
 177 struct nfs_lowner {
 178         __u64                   clientid;
 179         u32                     id;
 180 };
 181
 182 struct nfs_lock_args {
 183         struct nfs_fh *         fh;
 184         struct file_lock *      fl;
 185         struct nfs_seqid *      lock_seqid;
 186         nfs4_stateid *          lock_stateid;
 187         struct nfs_seqid *      open_seqid;
 188         nfs4_stateid *          open_stateid;
 189         struct nfs_lowner       lock_owner;
 190         unsigned char           block : 1;
 191         unsigned char           reclaim : 1;
 192         unsigned char           new_lock_owner : 1;
 193 };
 194
 195 struct nfs_lock_res {
 196         nfs4_stateid                    stateid;
 197 };
 198
 199 struct nfs_locku_args {
 200         struct nfs_fh *         fh;
 201         struct file_lock *      fl;
 202         struct nfs_seqid *      seqid;
 203         nfs4_stateid *          stateid;
 204 };
 205
 206 struct nfs_locku_res {
 207         nfs4_stateid                    stateid;
 208 };
 209
 210 struct nfs_lockt_args {
 211         struct nfs_fh *         fh;
 212         struct file_lock *      fl;
 213         struct nfs_lowner       lock_owner;
 214 };
 215
 216 struct nfs_lockt_res {
 217         struct file_lock *      denied; /* LOCK, LOCKT failed */
 218 };
 219
 220 struct nfs4_delegreturnargs {
 221         const struct nfs_fh *fhandle;
 222         const nfs4_stateid *stateid;
 223 };
 224
 225 /*
 226  * Arguments to the read call.
 227  */
 228 struct nfs_readargs {
 229         struct nfs_fh *         fh;
 230         struct nfs_open_context *context;
 231         __u64                   offset;
 232         __u32                   count;
 233         unsigned int            pgbase;
 234         struct page **          pages;
 235 };
 236
 237 struct nfs_readres {
 238         struct nfs_fattr *      fattr;
 239         __u32                   count;
 240         int                     eof;
 241 };
 242
 243 /*
 244  * Arguments to the write call.
 245  */
 246 struct nfs_writeargs {
 247         struct nfs_fh *         fh;
 248         struct nfs_open_context *context;
 249         __u64                   offset;
 250         __u32                   count;
 251         enum nfs3_stable_how    stable;
 252         unsigned int            pgbase;
 253         struct page **          pages;
 254         const u32 *             bitmask;
 255 };
 256
 257 struct nfs_writeverf {
 258         enum nfs3_stable_how    committed;
 259         __u32                   verifier[2];
 260 };
 261
 262 struct nfs_writeres {
 263         struct nfs_fattr *      fattr;
 264         struct nfs_writeverf *  verf;
 265         __u32                   count;
 266         const struct nfs_server *server;
 267 };
 268
 269 /*
 270  * Argument struct for decode_entry function
 271  */
 272 struct nfs_entry {
 273         __u64                   ino;
 274         __u64                   cookie,
 275                                 prev_cookie;
 276         const char *            name;
 277         unsigned int            len;
 278         int                     eof;
 279         struct nfs_fh *         fh;
 280         struct nfs_fattr *      fattr;
 281 };
 282
 283 /*
 284  * The following types are for NFSv2 only.
 285  */
 286 struct nfs_sattrargs {
 287         struct nfs_fh *         fh;
 288         struct iattr *          sattr;
 289 };
 290
 291 struct nfs_diropargs {
 292         struct nfs_fh *         fh;
 293         const char *            name;
 294         unsigned int            len;
 295 };
 296
 297 struct nfs_createargs {
 298         struct nfs_fh *         fh;
 299         const char *            name;
 300         unsigned int            len;
 301         struct iattr *          sattr;
 302 };
 303
 304 struct nfs_renameargs {
 305         struct nfs_fh *         fromfh;
 306         const char *            fromname;
 307         unsigned int            fromlen;
 308         struct nfs_fh *         tofh;
 309         const char *            toname;
 310         unsigned int            tolen;
 311 };
 312
 313 struct nfs_setattrargs {
 314         struct nfs_fh *                 fh;
 315         nfs4_stateid                    stateid;
 316         struct iattr *                  iap;
 317         const struct nfs_server *       server; /* Needed for name mapping */
 318         const u32 *                     bitmask;
 319 };
 320
 321 struct nfs_setaclargs {
 322         struct nfs_fh *                 fh;
 323         size_t                          acl_len;
 324         unsigned int                    acl_pgbase;
 325         struct page **                  acl_pages;
 326 };
 327
 328 struct nfs_getaclargs {
 329         struct nfs_fh *                 fh;
 330         size_t                          acl_len;
 331         unsigned int                    acl_pgbase;
 332         struct page **                  acl_pages;
 333 };
 334
 335 struct nfs_setattrres {
 336         struct nfs_fattr *              fattr;
 337         const struct nfs_server *       server;
 338 };
 339
 340 struct nfs_linkargs {
 341         struct nfs_fh *         fromfh;
 342         struct nfs_fh *         tofh;
 343         const char *            toname;
 344         unsigned int            tolen;
 345 };
 346
 347 struct nfs_symlinkargs {
 348         struct nfs_fh *         fromfh;
 349         const char *            fromname;
 350         unsigned int            fromlen;
 351         const char *            topath;
 352         unsigned int            tolen;
 353         struct iattr *          sattr;
 354 };
 355
 356 struct nfs_readdirargs {
 357         struct nfs_fh *         fh;
 358         __u32                   cookie;
 359         unsigned int            count;
 360         struct page **          pages;
 361 };
 362
 363 struct nfs3_getaclargs {
 364         struct nfs_fh *         fh;
 365         int                     mask;
 366         struct page **          pages;
 367 };
 368
 369 struct nfs3_setaclargs {
 370         struct inode *          inode;
 371         int                     mask;
 372         struct posix_acl *      acl_access;
 373         struct posix_acl *      acl_default;
 374         struct page **          pages;
 375 };
 376
 377 struct nfs_diropok {
 378         struct nfs_fh *         fh;
 379         struct nfs_fattr *      fattr;
 380 };
 381
 382 struct nfs_readlinkargs {
 383         struct nfs_fh *         fh;
 384         unsigned int            pgbase;
 385         unsigned int            pglen;
 386         struct page **          pages;
 387 };
 388
 389 struct nfs3_sattrargs {
 390         struct nfs_fh *         fh;
 391         struct iattr *          sattr;
 392         unsigned int            guard;
 393         struct timespec         guardtime;
 394 };
 395
 396 struct nfs3_diropargs {
 397         struct nfs_fh *         fh;
 398         const char *            name;
 399         unsigned int            len;
 400 };
 401
 402 struct nfs3_accessargs {
 403         struct nfs_fh *         fh;
 404         __u32                   access;
 405 };
 406
 407 struct nfs3_createargs {
 408         struct nfs_fh *         fh;
 409         const char *            name;
 410         unsigned int            len;
 411         struct iattr *          sattr;
 412         enum nfs3_createmode    createmode;
 413         __u32                   verifier[2];
 414 };
 415
 416 struct nfs3_mkdirargs {
 417         struct nfs_fh *         fh;
 418         const char *            name;
 419         unsigned int            len;
 420         struct iattr *          sattr;
 421 };
 422
 423 struct nfs3_symlinkargs {
 424         struct nfs_fh *         fromfh;
 425         const char *            fromname;
 426         unsigned int            fromlen;
 427         const char *            topath;
 428         unsigned int            tolen;
 429         struct iattr *          sattr;
 430 };
 431
 432 struct nfs3_mknodargs {
 433         struct nfs_fh *         fh;
 434         const char *            name;
 435         unsigned int            len;
 436         enum nfs3_ftype         type;
 437         struct iattr *          sattr;
 438         dev_t                   rdev;
 439 };
 440
 441 struct nfs3_renameargs {
 442         struct nfs_fh *         fromfh;
 443         const char *            fromname;
 444         unsigned int            fromlen;
 445         struct nfs_fh *         tofh;
 446         const char *            toname;
 447         unsigned int            tolen;
 448 };
 449
 450 struct nfs3_linkargs {
 451         struct nfs_fh *         fromfh;
 452         struct nfs_fh *         tofh;
 453         const char *            toname;
 454         unsigned int            tolen;
 455 };
 456
 457 struct nfs3_readdirargs {
 458         struct nfs_fh *         fh;
 459         __u64                   cookie;
 460         __u32                   verf[2];
 461         int                     plus;
 462         unsigned int            count;
 463         struct page **          pages;
 464 };
 465
 466 struct nfs3_diropres {
 467         struct nfs_fattr *      dir_attr;
 468         struct nfs_fh *         fh;
 469         struct nfs_fattr *      fattr;
 470 };
 471
 472 struct nfs3_accessres {
 473         struct nfs_fattr *      fattr;
 474         __u32                   access;
 475 };
 476
 477 struct nfs3_readlinkargs {
 478         struct nfs_fh *         fh;
 479         unsigned int            pgbase;
 480         unsigned int            pglen;
 481         struct page **          pages;
 482 };
 483
 484 struct nfs3_renameres {
 485         struct nfs_fattr *      fromattr;
 486         struct nfs_fattr *      toattr;
 487 };
 488
 489 struct nfs3_linkres {
 490         struct nfs_fattr *      dir_attr;
 491         struct nfs_fattr *      fattr;
 492 };
 493
 494 struct nfs3_readdirres {
 495         struct nfs_fattr *      dir_attr;
 496         __u32 *                 verf;
 497         int                     plus;
 498 };
 499
 500 struct nfs3_getaclres {
 501         struct nfs_fattr *      fattr;
 502         int                     mask;
 503         unsigned int            acl_access_count;
 504         unsigned int            acl_default_count;
 505         struct posix_acl *      acl_access;
 506         struct posix_acl *      acl_default;
 507 };
 508
 509 #ifdef CONFIG_NFS_V4
 510
 511 typedef u64 clientid4;
 512
 513 struct nfs4_accessargs {
 514         const struct nfs_fh *           fh;
 515         u32                             access;
 516 };
 517
 518 struct nfs4_accessres {
 519         u32                             supported;
 520         u32                             access;
 521 };
 522
 523 struct nfs4_create_arg {
 524         u32                             ftype;
 525         union {
 526                 struct qstr *           symlink;    /* NF4LNK */
 527                 struct {
 528                         u32             specdata1;
 529                         u32             specdata2;
 530                 } device;    /* NF4BLK, NF4CHR */
 531         } u;
 532         const struct qstr *             name;
 533         const struct nfs_server *       server;
 534         const struct iattr *            attrs;
 535         const struct nfs_fh *           dir_fh;
 536         const u32 *                     bitmask;
 537 };
 538
 539 struct nfs4_create_res {
 540         const struct nfs_server *       server;
 541         struct nfs_fh *                 fh;
 542         struct nfs_fattr *              fattr;
 543         struct nfs4_change_info         dir_cinfo;
 544         struct nfs_fattr *              dir_fattr;
 545 };
 546
 547 struct nfs4_fsinfo_arg {
 548         const struct nfs_fh *           fh;
 549         const u32 *                     bitmask;
 550 };
 551
 552 struct nfs4_getattr_arg {
 553         const struct nfs_fh *           fh;
 554         const u32 *                     bitmask;
 555 };
 556
 557 struct nfs4_getattr_res {
 558         const struct nfs_server *       server;
 559         struct nfs_fattr *              fattr;
 560 };
 561
 562 struct nfs4_link_arg {
 563         const struct nfs_fh *           fh;
 564         const struct nfs_fh *           dir_fh;
 565         const struct qstr *             name;
 566         const u32 *                     bitmask;
 567 };
 568
 569 struct nfs4_link_res {
 570         const struct nfs_server *       server;
 571         struct nfs_fattr *              fattr;
 572         struct nfs4_change_info         cinfo;
 573         struct nfs_fattr *              dir_attr;
 574 };
 575
 576
 577 struct nfs4_lookup_arg {
 578         const struct nfs_fh *           dir_fh;
 579         const struct qstr *             name;
 580         const u32 *                     bitmask;
 581 };
 582
 583 struct nfs4_lookup_res {
 584         const struct nfs_server *       server;
 585         struct nfs_fattr *              fattr;
 586         struct nfs_fh *                 fh;
 587 };
 588
 589 struct nfs4_lookup_root_arg {
 590         const u32 *                     bitmask;
 591 };
 592
 593 struct nfs4_pathconf_arg {
 594         const struct nfs_fh *           fh;
 595         const u32 *                     bitmask;
 596 };
 597
 598 struct nfs4_readdir_arg {
 599         const struct nfs_fh *           fh;
 600         u64                             cookie;
 601         nfs4_verifier                   verifier;
 602         u32                             count;
 603         struct page **                  pages;  /* zero-copy data */
 604         unsigned int                    pgbase; /* zero-copy data */
 605         const u32 *                     bitmask;
 606 };
 607
 608 struct nfs4_readdir_res {
 609         nfs4_verifier                   verifier;
 610         unsigned int                    pgbase;
 611 };
 612
 613 struct nfs4_readlink {
 614         const struct nfs_fh *           fh;
 615         unsigned int                    pgbase;
 616         unsigned int                    pglen;   /* zero-copy data */
 617         struct page **                  pages;   /* zero-copy data */
 618 };
 619
 620 struct nfs4_remove_arg {
 621         const struct nfs_fh *           fh;
 622         const struct qstr *             name;
 623         const u32 *                     bitmask;
 624 };
 625
 626 struct nfs4_remove_res {
 627         const struct nfs_server *       server;
 628         struct nfs4_change_info         cinfo;
 629         struct nfs_fattr *              dir_attr;
 630 };
 631
 632 struct nfs4_rename_arg {
 633         const struct nfs_fh *           old_dir;
 634         const struct nfs_fh *           new_dir;
 635         const struct qstr *             old_name;
 636         const struct qstr *             new_name;
 637         const u32 *                     bitmask;
 638 };
 639
 640 struct nfs4_rename_res {
 641         const struct nfs_server *       server;
 642         struct nfs4_change_info         old_cinfo;
 643         struct nfs_fattr *              old_fattr;
 644         struct nfs4_change_info         new_cinfo;
 645         struct nfs_fattr *              new_fattr;
 646 };
 647
 648 struct nfs4_setclientid {
 649         const nfs4_verifier *           sc_verifier;      /* request */
 650         unsigned int                    sc_name_len;
 651         char                            sc_name[32];      /* request */
 652         u32                             sc_prog;          /* request */
 653         unsigned int                    sc_netid_len;
 654         char                            sc_netid[4];      /* request */
 655         unsigned int                    sc_uaddr_len;
 656         char                            sc_uaddr[24];     /* request */
 657         u32                             sc_cb_ident;      /* request */
 658 };
 659
 660 struct nfs4_statfs_arg {
 661         const struct nfs_fh *           fh;
 662         const u32 *                     bitmask;
 663 };
 664
 665 struct nfs4_server_caps_res {
 666         u32                             attr_bitmask[2];
 667         u32                             acl_bitmask;
 668         u32                             has_links;
 669         u32                             has_symlinks;
 670 };
 671
 672 #endif /* CONFIG_NFS_V4 */
 673
 674 struct nfs_page;
 675
 676 #define NFS_PAGEVEC_SIZE        (8U)
 677
 678 struct nfs_read_data {
 679         int                     flags;
 680         struct rpc_task         task;
 681         struct inode            *inode;
 682         struct rpc_cred         *cred;
 683         struct nfs_fattr        fattr;  /* fattr storage */
 684         struct list_head        pages;  /* Coalesced read requests */
 685         struct nfs_page         *req;   /* multi ops per nfs_page */
 686         struct page             **pagevec;
 687         struct nfs_readargs args;
 688         struct nfs_readres  res;
 689 #ifdef CONFIG_NFS_V4
 690         unsigned long           timestamp;      /* For lease renewal */
 691 #endif
 692         void (*complete) (struct nfs_read_data *, int);
 693         struct page             *page_array[NFS_PAGEVEC_SIZE + 1];
 694 };
 695
 696 struct nfs_write_data {
 697         int                     flags;
 698         struct rpc_task         task;
 699         struct inode            *inode;
 700         struct rpc_cred         *cred;
 701         struct nfs_fattr        fattr;
 702         struct nfs_writeverf    verf;
 703         struct list_head        pages;          /* Coalesced requests we wish to flush */
 704         struct nfs_page         *req;           /* multi ops per nfs_page */
 705         struct page             **pagevec;
 706         struct nfs_writeargs    args;           /* argument struct */
 707         struct nfs_writeres     res;            /* result struct */
 708 #ifdef CONFIG_NFS_V4
 709         unsigned long           timestamp;      /* For lease renewal */
 710 #endif
 711         void (*complete) (struct nfs_write_data *, int);
 712         struct page             *page_array[NFS_PAGEVEC_SIZE + 1];
 713 };
 714
 715 struct nfs_access_entry;
 716
 717 /*
 718  * RPC procedure vector for NFSv2/NFSv3 demuxing
 719  */
 720 struct nfs_rpc_ops {
 721         int     version;                /* Protocol version */
 722         struct dentry_operations *dentry_ops;
 723         struct inode_operations *dir_inode_ops;
 724         struct inode_operations *file_inode_ops;
 725
 726         int     (*getroot) (struct nfs_server *, struct nfs_fh *,
 727                             struct nfs_fsinfo *);
 728         int     (*getattr) (struct nfs_server *, struct nfs_fh *,
 729                             struct nfs_fattr *);
 730         int     (*setattr) (struct dentry *, struct nfs_fattr *,
 731                             struct iattr *);
 732         int     (*lookup)  (struct inode *, struct qstr *,
 733                             struct nfs_fh *, struct nfs_fattr *);
 734         int     (*access)  (struct inode *, struct nfs_access_entry *);
 735         int     (*readlink)(struct inode *, struct page *, unsigned int,
 736                             unsigned int);
 737         int     (*read)    (struct nfs_read_data *);
 738         int     (*write)   (struct nfs_write_data *);
 739         int     (*commit)  (struct nfs_write_data *);
 740         int     (*create)  (struct inode *, struct dentry *,
 741                             struct iattr *, int, struct nameidata *);
 742         int     (*remove)  (struct inode *, struct qstr *);
 743         int     (*unlink_setup)  (struct rpc_message *,
 744                             struct dentry *, struct qstr *);
 745         int     (*unlink_done) (struct dentry *, struct rpc_task *);
 746         int     (*rename)  (struct inode *, struct qstr *,
 747                             struct inode *, struct qstr *);
 748         int     (*link)    (struct inode *, struct inode *, struct qstr *);
 749         int     (*symlink) (struct inode *, struct qstr *, struct qstr *,
 750                             struct iattr *, struct nfs_fh *,
 751                             struct nfs_fattr *);
 752         int     (*mkdir)   (struct inode *, struct dentry *, struct iattr *);
 753         int     (*rmdir)   (struct inode *, struct qstr *);
 754         int     (*readdir) (struct dentry *, struct rpc_cred *,
 755                             u64, struct page *, unsigned int, int);
 756         int     (*mknod)   (struct inode *, struct dentry *, struct iattr *,
 757                             dev_t);
 758         int     (*statfs)  (struct nfs_server *, struct nfs_fh *,
 759                             struct nfs_fsstat *);
 760         int     (*fsinfo)  (struct nfs_server *, struct nfs_fh *,
 761                             struct nfs_fsinfo *);
 762         int     (*pathconf) (struct nfs_server *, struct nfs_fh *,
 763                              struct nfs_pathconf *);
 764         u32 *   (*decode_dirent)(u32 *, struct nfs_entry *, int plus);
 765         void    (*read_setup)   (struct nfs_read_data *);
 766         void    (*write_setup)  (struct nfs_write_data *, int how);
 767         void    (*commit_setup) (struct nfs_write_data *, int how);
 768         int     (*file_open)   (struct inode *, struct file *);
 769         int     (*file_release) (struct inode *, struct file *);
 770         int     (*lock)(struct file *, int, struct file_lock *);
 771         void    (*clear_acl_cache)(struct inode *);
 772 };
 773
 774 /*
 775  *      NFS_CALL(getattr, inode, (fattr));
 776  * into
 777  *      NFS_PROTO(inode)->getattr(fattr);
 778  */
 779 #define NFS_CALL(op, inode, args)       NFS_PROTO(inode)->op args
 780
 781 /*
 782  * Function vectors etc. for the NFS client
 783  */
 784 extern struct nfs_rpc_ops       nfs_v2_clientops;
 785 extern struct nfs_rpc_ops       nfs_v3_clientops;
 786 extern struct nfs_rpc_ops       nfs_v4_clientops;
 787 extern struct rpc_version       nfs_version2;
 788 extern struct rpc_version       nfs_version3;
 789 extern struct rpc_version       nfs_version4;
 790
 791 extern struct rpc_version       nfsacl_version3;
 792 extern struct rpc_program       nfsacl_program;
 793
 794 #endif