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