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_args {
 173         struct nfs_fh *         fh;
 174         struct file_lock *      fl;
 175         struct nfs_seqid *      lock_seqid;
 176         nfs4_stateid *          lock_stateid;
 177         struct nfs_seqid *      open_seqid;
 178         nfs4_stateid *          open_stateid;
 179         struct nfs_lowner       lock_owner;
 180         unsigned char           block : 1;
 181         unsigned char           reclaim : 1;
 182         unsigned char           new_lock_owner : 1;
 183 };
 184
 185 struct nfs_lock_res {
 186         nfs4_stateid                    stateid;
 187 };
 188
 189 struct nfs_locku_args {
 190         struct nfs_fh *         fh;
 191         struct file_lock *      fl;
 192         struct nfs_seqid *      seqid;
 193         nfs4_stateid *          stateid;
 194 };
 195
 196 struct nfs_locku_res {
 197         nfs4_stateid                    stateid;
 198 };
 199
 200 struct nfs_lockt_args {
 201         struct nfs_fh *         fh;
 202         struct file_lock *      fl;
 203         struct nfs_lowner       lock_owner;
 204 };
 205
 206 struct nfs_lockt_res {
 207         struct file_lock *      denied; /* LOCK, LOCKT failed */
 208 };
 209
 210 struct nfs4_delegreturnargs {
 211         const struct nfs_fh *fhandle;
 212         const nfs4_stateid *stateid;
 213 };
 214
 215 /*
 216  * Arguments to the read call.
 217  */
 218
 219 #define NFS_READ_MAXIOV         (9U)
 220 #if (NFS_READ_MAXIOV > (MAX_IOVEC -2))
 221 #error "NFS_READ_MAXIOV is too large"
 222 #endif
 223
 224 struct nfs_readargs {
 225         struct nfs_fh *         fh;
 226         struct nfs_open_context *context;
 227         __u64                   offset;
 228         __u32                   count;
 229         unsigned int            pgbase;
 230         struct page **          pages;
 231 };
 232
 233 struct nfs_readres {
 234         struct nfs_fattr *      fattr;
 235         __u32                   count;
 236         int                     eof;
 237 };
 238
 239 /*
 240  * Arguments to the write call.
 241  */
 242 #define NFS_WRITE_MAXIOV        (9U)
 243 #if (NFS_WRITE_MAXIOV > (MAX_IOVEC -2))
 244 #error "NFS_WRITE_MAXIOV is too large"
 245 #endif
 246
 247 struct nfs_writeargs {
 248         struct nfs_fh *         fh;
 249         struct nfs_open_context *context;
 250         __u64                   offset;
 251         __u32                   count;
 252         enum nfs3_stable_how    stable;
 253         unsigned int            pgbase;
 254         struct page **          pages;
 255         const u32 *             bitmask;
 256 };
 257
 258 struct nfs_writeverf {
 259         enum nfs3_stable_how    committed;
 260         __u32                   verifier[2];
 261 };
 262
 263 struct nfs_writeres {
 264         struct nfs_fattr *      fattr;
 265         struct nfs_writeverf *  verf;
 266         __u32                   count;
 267         const struct nfs_server *server;
 268 };
 269
 270 /*
 271  * Argument struct for decode_entry function
 272  */
 273 struct nfs_entry {
 274         __u64                   ino;
 275         __u64                   cookie,
 276                                 prev_cookie;
 277         const char *            name;
 278         unsigned int            len;
 279         int                     eof;
 280         struct nfs_fh *         fh;
 281         struct nfs_fattr *      fattr;
 282 };
 283
 284 /*
 285  * The following types are for NFSv2 only.
 286  */
 287 struct nfs_sattrargs {
 288         struct nfs_fh *         fh;
 289         struct iattr *          sattr;
 290 };
 291
 292 struct nfs_diropargs {
 293         struct nfs_fh *         fh;
 294         const char *            name;
 295         unsigned int            len;
 296 };
 297
 298 struct nfs_createargs {
 299         struct nfs_fh *         fh;
 300         const char *            name;
 301         unsigned int            len;
 302         struct iattr *          sattr;
 303 };
 304
 305 struct nfs_renameargs {
 306         struct nfs_fh *         fromfh;
 307         const char *            fromname;
 308         unsigned int            fromlen;
 309         struct nfs_fh *         tofh;
 310         const char *            toname;
 311         unsigned int            tolen;
 312 };
 313
 314 struct nfs_setattrargs {
 315         struct nfs_fh *                 fh;
 316         nfs4_stateid                    stateid;
 317         struct iattr *                  iap;
 318         const struct nfs_server *       server; /* Needed for name mapping */
 319         const u32 *                     bitmask;
 320 };
 321
 322 struct nfs_setaclargs {
 323         struct nfs_fh *                 fh;
 324         size_t                          acl_len;
 325         unsigned int                    acl_pgbase;
 326         struct page **                  acl_pages;
 327 };
 328
 329 struct nfs_getaclargs {
 330         struct nfs_fh *                 fh;
 331         size_t                          acl_len;
 332         unsigned int                    acl_pgbase;
 333         struct page **                  acl_pages;
 334 };
 335
 336 struct nfs_setattrres {
 337         struct nfs_fattr *              fattr;
 338         const struct nfs_server *       server;
 339 };
 340
 341 struct nfs_linkargs {
 342         struct nfs_fh *         fromfh;
 343         struct nfs_fh *         tofh;
 344         const char *            toname;
 345         unsigned int            tolen;
 346 };
 347
 348 struct nfs_symlinkargs {
 349         struct nfs_fh *         fromfh;
 350         const char *            fromname;
 351         unsigned int            fromlen;
 352         const char *            topath;
 353         unsigned int            tolen;
 354         struct iattr *          sattr;
 355 };
 356
 357 struct nfs_readdirargs {
 358         struct nfs_fh *         fh;
 359         __u32                   cookie;
 360         unsigned int            count;
 361         struct page **          pages;
 362 };
 363
 364 struct nfs3_getaclargs {
 365         struct nfs_fh *         fh;
 366         int                     mask;
 367         struct page **          pages;
 368 };
 369
 370 struct nfs3_setaclargs {
 371         struct inode *          inode;
 372         int                     mask;
 373         struct posix_acl *      acl_access;
 374         struct posix_acl *      acl_default;
 375         struct page **          pages;
 376 };
 377
 378 struct nfs_diropok {
 379         struct nfs_fh *         fh;
 380         struct nfs_fattr *      fattr;
 381 };
 382
 383 struct nfs_readlinkargs {
 384         struct nfs_fh *         fh;
 385         unsigned int            pgbase;
 386         unsigned int            pglen;
 387         struct page **          pages;
 388 };
 389
 390 struct nfs3_sattrargs {
 391         struct nfs_fh *         fh;
 392         struct iattr *          sattr;
 393         unsigned int            guard;
 394         struct timespec         guardtime;
 395 };
 396
 397 struct nfs3_diropargs {
 398         struct nfs_fh *         fh;
 399         const char *            name;
 400         unsigned int            len;
 401 };
 402
 403 struct nfs3_accessargs {
 404         struct nfs_fh *         fh;
 405         __u32                   access;
 406 };
 407
 408 struct nfs3_createargs {
 409         struct nfs_fh *         fh;
 410         const char *            name;
 411         unsigned int            len;
 412         struct iattr *          sattr;
 413         enum nfs3_createmode    createmode;
 414         __u32                   verifier[2];
 415 };
 416
 417 struct nfs3_mkdirargs {
 418         struct nfs_fh *         fh;
 419         const char *            name;
 420         unsigned int            len;
 421         struct iattr *          sattr;
 422 };
 423
 424 struct nfs3_symlinkargs {
 425         struct nfs_fh *         fromfh;
 426         const char *            fromname;
 427         unsigned int            fromlen;
 428         const char *            topath;
 429         unsigned int            tolen;
 430         struct iattr *          sattr;
 431 };
 432
 433 struct nfs3_mknodargs {
 434         struct nfs_fh *         fh;
 435         const char *            name;
 436         unsigned int            len;
 437         enum nfs3_ftype         type;
 438         struct iattr *          sattr;
 439         dev_t                   rdev;
 440 };
 441
 442 struct nfs3_renameargs {
 443         struct nfs_fh *         fromfh;
 444         const char *            fromname;
 445         unsigned int            fromlen;
 446         struct nfs_fh *         tofh;
 447         const char *            toname;
 448         unsigned int            tolen;
 449 };
 450
 451 struct nfs3_linkargs {
 452         struct nfs_fh *         fromfh;
 453         struct nfs_fh *         tofh;
 454         const char *            toname;
 455         unsigned int            tolen;
 456 };
 457
 458 struct nfs3_readdirargs {
 459         struct nfs_fh *         fh;
 460         __u64                   cookie;
 461         __u32                   verf[2];
 462         int                     plus;
 463         unsigned int            count;
 464         struct page **          pages;
 465 };
 466
 467 struct nfs3_diropres {
 468         struct nfs_fattr *      dir_attr;
 469         struct nfs_fh *         fh;
 470         struct nfs_fattr *      fattr;
 471 };
 472
 473 struct nfs3_accessres {
 474         struct nfs_fattr *      fattr;
 475         __u32                   access;
 476 };
 477
 478 struct nfs3_readlinkargs {
 479         struct nfs_fh *         fh;
 480         unsigned int            pgbase;
 481         unsigned int            pglen;
 482         struct page **          pages;
 483 };
 484
 485 struct nfs3_renameres {
 486         struct nfs_fattr *      fromattr;
 487         struct nfs_fattr *      toattr;
 488 };
 489
 490 struct nfs3_linkres {
 491         struct nfs_fattr *      dir_attr;
 492         struct nfs_fattr *      fattr;
 493 };
 494
 495 struct nfs3_readdirres {
 496         struct nfs_fattr *      dir_attr;
 497         __u32 *                 verf;
 498         int                     plus;
 499 };
 500
 501 struct nfs3_getaclres {
 502         struct nfs_fattr *      fattr;
 503         int                     mask;
 504         unsigned int            acl_access_count;
 505         unsigned int            acl_default_count;
 506         struct posix_acl *      acl_access;
 507         struct posix_acl *      acl_default;
 508 };
 509
 510 #ifdef CONFIG_NFS_V4
 511
 512 typedef u64 clientid4;
 513
 514 struct nfs4_accessargs {
 515         const struct nfs_fh *           fh;
 516         u32                             access;
 517 };
 518
 519 struct nfs4_accessres {
 520         u32                             supported;
 521         u32                             access;
 522 };
 523
 524 struct nfs4_create_arg {
 525         u32                             ftype;
 526         union {
 527                 struct qstr *           symlink;    /* NF4LNK */
 528                 struct {
 529                         u32             specdata1;
 530                         u32             specdata2;
 531                 } device;    /* NF4BLK, NF4CHR */
 532         } u;
 533         const struct qstr *             name;
 534         const struct nfs_server *       server;
 535         const struct iattr *            attrs;
 536         const struct nfs_fh *           dir_fh;
 537         const u32 *                     bitmask;
 538 };
 539
 540 struct nfs4_create_res {
 541         const struct nfs_server *       server;
 542         struct nfs_fh *                 fh;
 543         struct nfs_fattr *              fattr;
 544         struct nfs4_change_info         dir_cinfo;
 545         struct nfs_fattr *              dir_fattr;
 546 };
 547
 548 struct nfs4_fsinfo_arg {
 549         const struct nfs_fh *           fh;
 550         const u32 *                     bitmask;
 551 };
 552
 553 struct nfs4_getattr_arg {
 554         const struct nfs_fh *           fh;
 555         const u32 *                     bitmask;
 556 };
 557
 558 struct nfs4_getattr_res {
 559         const struct nfs_server *       server;
 560         struct nfs_fattr *              fattr;
 561 };
 562
 563 struct nfs4_link_arg {
 564         const struct nfs_fh *           fh;
 565         const struct nfs_fh *           dir_fh;
 566         const struct qstr *             name;
 567         const u32 *                     bitmask;
 568 };
 569
 570 struct nfs4_link_res {
 571         const struct nfs_server *       server;
 572         struct nfs_fattr *              fattr;
 573         struct nfs4_change_info         cinfo;
 574         struct nfs_fattr *              dir_attr;
 575 };
 576
 577
 578 struct nfs4_lookup_arg {
 579         const struct nfs_fh *           dir_fh;
 580         const struct qstr *             name;
 581         const u32 *                     bitmask;
 582 };
 583
 584 struct nfs4_lookup_res {
 585         const struct nfs_server *       server;
 586         struct nfs_fattr *              fattr;
 587         struct nfs_fh *                 fh;
 588 };
 589
 590 struct nfs4_lookup_root_arg {
 591         const u32 *                     bitmask;
 592 };
 593
 594 struct nfs4_pathconf_arg {
 595         const struct nfs_fh *           fh;
 596         const u32 *                     bitmask;
 597 };
 598
 599 struct nfs4_readdir_arg {
 600         const struct nfs_fh *           fh;
 601         u64                             cookie;
 602         nfs4_verifier                   verifier;
 603         u32                             count;
 604         struct page **                  pages;  /* zero-copy data */
 605         unsigned int                    pgbase; /* zero-copy data */
 606         const u32 *                     bitmask;
 607 };
 608
 609 struct nfs4_readdir_res {
 610         nfs4_verifier                   verifier;
 611         unsigned int                    pgbase;
 612 };
 613
 614 struct nfs4_readlink {
 615         const struct nfs_fh *           fh;
 616         unsigned int                    pgbase;
 617         unsigned int                    pglen;   /* zero-copy data */
 618         struct page **                  pages;   /* zero-copy data */
 619 };
 620
 621 struct nfs4_remove_arg {
 622         const struct nfs_fh *           fh;
 623         const struct qstr *             name;
 624         const u32 *                     bitmask;
 625 };
 626
 627 struct nfs4_remove_res {
 628         const struct nfs_server *       server;
 629         struct nfs4_change_info         cinfo;
 630         struct nfs_fattr *              dir_attr;
 631 };
 632
 633 struct nfs4_rename_arg {
 634         const struct nfs_fh *           old_dir;
 635         const struct nfs_fh *           new_dir;
 636         const struct qstr *             old_name;
 637         const struct qstr *             new_name;
 638         const u32 *                     bitmask;
 639 };
 640
 641 struct nfs4_rename_res {
 642         const struct nfs_server *       server;
 643         struct nfs4_change_info         old_cinfo;
 644         struct nfs_fattr *              old_fattr;
 645         struct nfs4_change_info         new_cinfo;
 646         struct nfs_fattr *              new_fattr;
 647 };
 648
 649 struct nfs4_setclientid {
 650         const nfs4_verifier *           sc_verifier;      /* request */
 651         unsigned int                    sc_name_len;
 652         char                            sc_name[32];      /* request */
 653         u32                             sc_prog;          /* request */
 654         unsigned int                    sc_netid_len;
 655         char                            sc_netid[4];      /* request */
 656         unsigned int                    sc_uaddr_len;
 657         char                            sc_uaddr[24];     /* request */
 658         u32                             sc_cb_ident;      /* request */
 659 };
 660
 661 struct nfs4_statfs_arg {
 662         const struct nfs_fh *           fh;
 663         const u32 *                     bitmask;
 664 };
 665
 666 struct nfs4_server_caps_res {
 667         u32                             attr_bitmask[2];
 668         u32                             acl_bitmask;
 669         u32                             has_links;
 670         u32                             has_symlinks;
 671 };
 672
 673 #endif /* CONFIG_NFS_V4 */
 674
 675 struct nfs_page;
 676
 677 struct nfs_read_data {
 678         int                     flags;
 679         struct rpc_task         task;
 680         struct inode            *inode;
 681         struct rpc_cred         *cred;
 682         struct nfs_fattr        fattr;  /* fattr storage */
 683         struct list_head        pages;  /* Coalesced read requests */
 684         struct nfs_page         *req;   /* multi ops per nfs_page */
 685         struct page             *pagevec[NFS_READ_MAXIOV];
 686         struct nfs_readargs args;
 687         struct nfs_readres  res;
 688 #ifdef CONFIG_NFS_V4
 689         unsigned long           timestamp;      /* For lease renewal */
 690 #endif
 691         void (*complete) (struct nfs_read_data *, int);
 692 };
 693
 694 struct nfs_write_data {
 695         int                     flags;
 696         struct rpc_task         task;
 697         struct inode            *inode;
 698         struct rpc_cred         *cred;
 699         struct nfs_fattr        fattr;
 700         struct nfs_writeverf    verf;
 701         struct list_head        pages;          /* Coalesced requests we wish to flush */
 702         struct nfs_page         *req;           /* multi ops per nfs_page */
 703         struct page             *pagevec[NFS_WRITE_MAXIOV];
 704         struct nfs_writeargs    args;           /* argument struct */
 705         struct nfs_writeres     res;            /* result struct */
 706 #ifdef CONFIG_NFS_V4
 707         unsigned long           timestamp;      /* For lease renewal */
 708 #endif
 709         void (*complete) (struct nfs_write_data *, int);
 710 };
 711
 712 struct nfs_access_entry;
 713
 714 /*
 715  * RPC procedure vector for NFSv2/NFSv3 demuxing
 716  */
 717 struct nfs_rpc_ops {
 718         int     version;                /* Protocol version */
 719         struct dentry_operations *dentry_ops;
 720         struct inode_operations *dir_inode_ops;
 721         struct inode_operations *file_inode_ops;
 722
 723         int     (*getroot) (struct nfs_server *, struct nfs_fh *,
 724                             struct nfs_fsinfo *);
 725         int     (*getattr) (struct nfs_server *, struct nfs_fh *,
 726                             struct nfs_fattr *);
 727         int     (*setattr) (struct dentry *, struct nfs_fattr *,
 728                             struct iattr *);
 729         int     (*lookup)  (struct inode *, struct qstr *,
 730                             struct nfs_fh *, struct nfs_fattr *);
 731         int     (*access)  (struct inode *, struct nfs_access_entry *);
 732         int     (*readlink)(struct inode *, struct page *, unsigned int,
 733                             unsigned int);
 734         int     (*read)    (struct nfs_read_data *);
 735         int     (*write)   (struct nfs_write_data *);
 736         int     (*commit)  (struct nfs_write_data *);
 737         int     (*create)  (struct inode *, struct dentry *,
 738                             struct iattr *, int, struct nameidata *);
 739         int     (*remove)  (struct inode *, struct qstr *);
 740         int     (*unlink_setup)  (struct rpc_message *,
 741                             struct dentry *, struct qstr *);
 742         int     (*unlink_done) (struct dentry *, struct rpc_task *);
 743         int     (*rename)  (struct inode *, struct qstr *,
 744                             struct inode *, struct qstr *);
 745         int     (*link)    (struct inode *, struct inode *, struct qstr *);
 746         int     (*symlink) (struct inode *, struct qstr *, struct qstr *,
 747                             struct iattr *, struct nfs_fh *,
 748                             struct nfs_fattr *);
 749         int     (*mkdir)   (struct inode *, struct dentry *, struct iattr *);
 750         int     (*rmdir)   (struct inode *, struct qstr *);
 751         int     (*readdir) (struct dentry *, struct rpc_cred *,
 752                             u64, struct page *, unsigned int, int);
 753         int     (*mknod)   (struct inode *, struct dentry *, struct iattr *,
 754                             dev_t);
 755         int     (*statfs)  (struct nfs_server *, struct nfs_fh *,
 756                             struct nfs_fsstat *);
 757         int     (*fsinfo)  (struct nfs_server *, struct nfs_fh *,
 758                             struct nfs_fsinfo *);
 759         int     (*pathconf) (struct nfs_server *, struct nfs_fh *,
 760                              struct nfs_pathconf *);
 761         u32 *   (*decode_dirent)(u32 *, struct nfs_entry *, int plus);
 762         void    (*read_setup)   (struct nfs_read_data *);
 763         void    (*write_setup)  (struct nfs_write_data *, int how);
 764         void    (*commit_setup) (struct nfs_write_data *, int how);
 765         int     (*file_open)   (struct inode *, struct file *);
 766         int     (*file_release) (struct inode *, struct file *);
 767         int     (*lock)(struct file *, int, struct file_lock *);
 768         void    (*clear_acl_cache)(struct inode *);
 769 };
 770
 771 /*
 772  *      NFS_CALL(getattr, inode, (fattr));
 773  * into
 774  *      NFS_PROTO(inode)->getattr(fattr);
 775  */
 776 #define NFS_CALL(op, inode, args)       NFS_PROTO(inode)->op args
 777
 778 /*
 779  * Function vectors etc. for the NFS client
 780  */
 781 extern struct nfs_rpc_ops       nfs_v2_clientops;
 782 extern struct nfs_rpc_ops       nfs_v3_clientops;
 783 extern struct nfs_rpc_ops       nfs_v4_clientops;
 784 extern struct rpc_version       nfs_version2;
 785 extern struct rpc_version       nfs_version3;
 786 extern struct rpc_version       nfs_version4;
 787
 788 extern struct rpc_version       nfsacl_version3;
 789 extern struct rpc_program       nfsacl_program;
 790
 791 #endif