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 nfs_fsid { 18 uint64_t major; 19 uint64_t minor; 20 }; 21 22 /* 23 * Helper for checking equality between 2 fsids. 24 */ 25 static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b) 26 { 27 return a->major == b->major && a->minor == b->minor; 28 } 29 30 struct nfs_fattr { 31 unsigned short valid; /* which fields are valid */ 32 __u64 pre_size; /* pre_op_attr.size */ 33 struct timespec pre_mtime; /* pre_op_attr.mtime */ 34 struct timespec pre_ctime; /* pre_op_attr.ctime */ 35 enum nfs_ftype type; /* always use NFSv2 types */ 36 __u32 mode; 37 __u32 nlink; 38 __u32 uid; 39 __u32 gid; 40 __u64 size; 41 union { 42 struct { 43 __u32 blocksize; 44 __u32 blocks; 45 } nfs2; 46 struct { 47 __u64 used; 48 } nfs3; 49 } du; 50 dev_t rdev; 51 struct nfs_fsid fsid; 52 __u64 fileid; 53 struct timespec atime; 54 struct timespec mtime; 55 struct timespec ctime; 56 __u32 bitmap[2]; /* NFSv4 returned attribute bitmap */ 57 __u64 change_attr; /* NFSv4 change attribute */ 58 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */ 59 unsigned long time_start; 60 }; 61 62 #define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */ 63 #define NFS_ATTR_FATTR 0x0002 /* post-op attributes */ 64 #define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */ 65 #define NFS_ATTR_FATTR_V4 0x0008 /* NFSv4 change attribute */ 66 #define NFS_ATTR_FATTR_V4_REFERRAL 0x0010 /* NFSv4 referral */ 67 68 /* 69 * Info on the file system 70 */ 71 struct nfs_fsinfo { 72 struct nfs_fattr *fattr; /* Post-op attributes */ 73 __u32 rtmax; /* max. read transfer size */ 74 __u32 rtpref; /* pref. read transfer size */ 75 __u32 rtmult; /* reads should be multiple of this */ 76 __u32 wtmax; /* max. write transfer size */ 77 __u32 wtpref; /* pref. write transfer size */ 78 __u32 wtmult; /* writes should be multiple of this */ 79 __u32 dtpref; /* pref. readdir transfer size */ 80 __u64 maxfilesize; 81 __u32 lease_time; /* in seconds */ 82 }; 83 84 struct nfs_fsstat { 85 struct nfs_fattr *fattr; /* Post-op attributes */ 86 __u64 tbytes; /* total size in bytes */ 87 __u64 fbytes; /* # of free bytes */ 88 __u64 abytes; /* # of bytes available to user */ 89 __u64 tfiles; /* # of files */ 90 __u64 ffiles; /* # of free files */ 91 __u64 afiles; /* # of files available to user */ 92 }; 93 94 struct nfs2_fsstat { 95 __u32 tsize; /* Server transfer size */ 96 __u32 bsize; /* Filesystem block size */ 97 __u32 blocks; /* No. of "bsize" blocks on filesystem */ 98 __u32 bfree; /* No. of free "bsize" blocks */ 99 __u32 bavail; /* No. of available "bsize" blocks */ 100 }; 101 102 struct nfs_pathconf { 103 struct nfs_fattr *fattr; /* Post-op attributes */ 104 __u32 max_link; /* max # of hard links */ 105 __u32 max_namelen; /* max name length */ 106 }; 107 108 struct nfs4_change_info { 109 u32 atomic; 110 u64 before; 111 u64 after; 112 }; 113 114 struct nfs_seqid; 115 /* 116 * Arguments to the open call. 117 */ 118 struct nfs_openargs { 119 const struct nfs_fh * fh; 120 struct nfs_seqid * seqid; 121 int open_flags; 122 __u64 clientid; 123 __u32 id; 124 union { 125 struct iattr * attrs; /* UNCHECKED, GUARDED */ 126 nfs4_verifier verifier; /* EXCLUSIVE */ 127 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ 128 int delegation_type; /* CLAIM_PREVIOUS */ 129 } u; 130 const struct qstr * name; 131 const struct nfs_server *server; /* Needed for ID mapping */ 132 const u32 * bitmask; 133 __u32 claim; 134 }; 135 136 struct nfs_openres { 137 nfs4_stateid stateid; 138 struct nfs_fh fh; 139 struct nfs4_change_info cinfo; 140 __u32 rflags; 141 struct nfs_fattr * f_attr; 142 struct nfs_fattr * dir_attr; 143 const struct nfs_server *server; 144 int delegation_type; 145 nfs4_stateid delegation; 146 __u32 do_recall; 147 __u64 maxsize; 148 }; 149 150 /* 151 * Arguments to the open_confirm call. 152 */ 153 struct nfs_open_confirmargs { 154 const struct nfs_fh * fh; 155 nfs4_stateid * stateid; 156 struct nfs_seqid * seqid; 157 }; 158 159 struct nfs_open_confirmres { 160 nfs4_stateid stateid; 161 }; 162 163 /* 164 * Arguments to the close call. 165 */ 166 struct nfs_closeargs { 167 struct nfs_fh * fh; 168 nfs4_stateid * stateid; 169 struct nfs_seqid * seqid; 170 int open_flags; 171 const u32 * bitmask; 172 }; 173 174 struct nfs_closeres { 175 nfs4_stateid stateid; 176 struct nfs_fattr * fattr; 177 const struct nfs_server *server; 178 }; 179 /* 180 * * Arguments to the lock,lockt, and locku call. 181 * */ 182 struct nfs_lowner { 183 __u64 clientid; 184 u32 id; 185 }; 186 187 struct nfs_lock_args { 188 struct nfs_fh * fh; 189 struct file_lock * fl; 190 struct nfs_seqid * lock_seqid; 191 nfs4_stateid * lock_stateid; 192 struct nfs_seqid * open_seqid; 193 nfs4_stateid * open_stateid; 194 struct nfs_lowner lock_owner; 195 unsigned char block : 1; 196 unsigned char reclaim : 1; 197 unsigned char new_lock_owner : 1; 198 }; 199 200 struct nfs_lock_res { 201 nfs4_stateid stateid; 202 }; 203 204 struct nfs_locku_args { 205 struct nfs_fh * fh; 206 struct file_lock * fl; 207 struct nfs_seqid * seqid; 208 nfs4_stateid * stateid; 209 }; 210 211 struct nfs_locku_res { 212 nfs4_stateid stateid; 213 }; 214 215 struct nfs_lockt_args { 216 struct nfs_fh * fh; 217 struct file_lock * fl; 218 struct nfs_lowner lock_owner; 219 }; 220 221 struct nfs_lockt_res { 222 struct file_lock * denied; /* LOCK, LOCKT failed */ 223 }; 224 225 struct nfs4_delegreturnargs { 226 const struct nfs_fh *fhandle; 227 const nfs4_stateid *stateid; 228 const u32 * bitmask; 229 }; 230 231 struct nfs4_delegreturnres { 232 struct nfs_fattr * fattr; 233 const struct nfs_server *server; 234 }; 235 236 /* 237 * Arguments to the read call. 238 */ 239 struct nfs_readargs { 240 struct nfs_fh * fh; 241 struct nfs_open_context *context; 242 __u64 offset; 243 __u32 count; 244 unsigned int pgbase; 245 struct page ** pages; 246 }; 247 248 struct nfs_readres { 249 struct nfs_fattr * fattr; 250 __u32 count; 251 int eof; 252 }; 253 254 /* 255 * Arguments to the write call. 256 */ 257 struct nfs_writeargs { 258 struct nfs_fh * fh; 259 struct nfs_open_context *context; 260 __u64 offset; 261 __u32 count; 262 enum nfs3_stable_how stable; 263 unsigned int pgbase; 264 struct page ** pages; 265 const u32 * bitmask; 266 }; 267 268 struct nfs_writeverf { 269 enum nfs3_stable_how committed; 270 __u32 verifier[2]; 271 }; 272 273 struct nfs_writeres { 274 struct nfs_fattr * fattr; 275 struct nfs_writeverf * verf; 276 __u32 count; 277 const struct nfs_server *server; 278 }; 279 280 /* 281 * Argument struct for decode_entry function 282 */ 283 struct nfs_entry { 284 __u64 ino; 285 __u64 cookie, 286 prev_cookie; 287 const char * name; 288 unsigned int len; 289 int eof; 290 struct nfs_fh * fh; 291 struct nfs_fattr * fattr; 292 }; 293 294 /* 295 * The following types are for NFSv2 only. 296 */ 297 struct nfs_sattrargs { 298 struct nfs_fh * fh; 299 struct iattr * sattr; 300 }; 301 302 struct nfs_diropargs { 303 struct nfs_fh * fh; 304 const char * name; 305 unsigned int len; 306 }; 307 308 struct nfs_createargs { 309 struct nfs_fh * fh; 310 const char * name; 311 unsigned int len; 312 struct iattr * sattr; 313 }; 314 315 struct nfs_renameargs { 316 struct nfs_fh * fromfh; 317 const char * fromname; 318 unsigned int fromlen; 319 struct nfs_fh * tofh; 320 const char * toname; 321 unsigned int tolen; 322 }; 323 324 struct nfs_setattrargs { 325 struct nfs_fh * fh; 326 nfs4_stateid stateid; 327 struct iattr * iap; 328 const struct nfs_server * server; /* Needed for name mapping */ 329 const u32 * bitmask; 330 }; 331 332 struct nfs_setaclargs { 333 struct nfs_fh * fh; 334 size_t acl_len; 335 unsigned int acl_pgbase; 336 struct page ** acl_pages; 337 }; 338 339 struct nfs_getaclargs { 340 struct nfs_fh * fh; 341 size_t acl_len; 342 unsigned int acl_pgbase; 343 struct page ** acl_pages; 344 }; 345 346 struct nfs_setattrres { 347 struct nfs_fattr * fattr; 348 const struct nfs_server * server; 349 }; 350 351 struct nfs_linkargs { 352 struct nfs_fh * fromfh; 353 struct nfs_fh * tofh; 354 const char * toname; 355 unsigned int tolen; 356 }; 357 358 struct nfs_symlinkargs { 359 struct nfs_fh * fromfh; 360 const char * fromname; 361 unsigned int fromlen; 362 const char * topath; 363 unsigned int tolen; 364 struct iattr * sattr; 365 }; 366 367 struct nfs_readdirargs { 368 struct nfs_fh * fh; 369 __u32 cookie; 370 unsigned int count; 371 struct page ** pages; 372 }; 373 374 struct nfs3_getaclargs { 375 struct nfs_fh * fh; 376 int mask; 377 struct page ** pages; 378 }; 379 380 struct nfs3_setaclargs { 381 struct inode * inode; 382 int mask; 383 struct posix_acl * acl_access; 384 struct posix_acl * acl_default; 385 struct page ** pages; 386 }; 387 388 struct nfs_diropok { 389 struct nfs_fh * fh; 390 struct nfs_fattr * fattr; 391 }; 392 393 struct nfs_readlinkargs { 394 struct nfs_fh * fh; 395 unsigned int pgbase; 396 unsigned int pglen; 397 struct page ** pages; 398 }; 399 400 struct nfs3_sattrargs { 401 struct nfs_fh * fh; 402 struct iattr * sattr; 403 unsigned int guard; 404 struct timespec guardtime; 405 }; 406 407 struct nfs3_diropargs { 408 struct nfs_fh * fh; 409 const char * name; 410 unsigned int len; 411 }; 412 413 struct nfs3_accessargs { 414 struct nfs_fh * fh; 415 __u32 access; 416 }; 417 418 struct nfs3_createargs { 419 struct nfs_fh * fh; 420 const char * name; 421 unsigned int len; 422 struct iattr * sattr; 423 enum nfs3_createmode createmode; 424 __u32 verifier[2]; 425 }; 426 427 struct nfs3_mkdirargs { 428 struct nfs_fh * fh; 429 const char * name; 430 unsigned int len; 431 struct iattr * sattr; 432 }; 433 434 struct nfs3_symlinkargs { 435 struct nfs_fh * fromfh; 436 const char * fromname; 437 unsigned int fromlen; 438 const char * topath; 439 unsigned int tolen; 440 struct iattr * sattr; 441 }; 442 443 struct nfs3_mknodargs { 444 struct nfs_fh * fh; 445 const char * name; 446 unsigned int len; 447 enum nfs3_ftype type; 448 struct iattr * sattr; 449 dev_t rdev; 450 }; 451 452 struct nfs3_renameargs { 453 struct nfs_fh * fromfh; 454 const char * fromname; 455 unsigned int fromlen; 456 struct nfs_fh * tofh; 457 const char * toname; 458 unsigned int tolen; 459 }; 460 461 struct nfs3_linkargs { 462 struct nfs_fh * fromfh; 463 struct nfs_fh * tofh; 464 const char * toname; 465 unsigned int tolen; 466 }; 467 468 struct nfs3_readdirargs { 469 struct nfs_fh * fh; 470 __u64 cookie; 471 __u32 verf[2]; 472 int plus; 473 unsigned int count; 474 struct page ** pages; 475 }; 476 477 struct nfs3_diropres { 478 struct nfs_fattr * dir_attr; 479 struct nfs_fh * fh; 480 struct nfs_fattr * fattr; 481 }; 482 483 struct nfs3_accessres { 484 struct nfs_fattr * fattr; 485 __u32 access; 486 }; 487 488 struct nfs3_readlinkargs { 489 struct nfs_fh * fh; 490 unsigned int pgbase; 491 unsigned int pglen; 492 struct page ** pages; 493 }; 494 495 struct nfs3_renameres { 496 struct nfs_fattr * fromattr; 497 struct nfs_fattr * toattr; 498 }; 499 500 struct nfs3_linkres { 501 struct nfs_fattr * dir_attr; 502 struct nfs_fattr * fattr; 503 }; 504 505 struct nfs3_readdirres { 506 struct nfs_fattr * dir_attr; 507 __u32 * verf; 508 int plus; 509 }; 510 511 struct nfs3_getaclres { 512 struct nfs_fattr * fattr; 513 int mask; 514 unsigned int acl_access_count; 515 unsigned int acl_default_count; 516 struct posix_acl * acl_access; 517 struct posix_acl * acl_default; 518 }; 519 520 #ifdef CONFIG_NFS_V4 521 522 typedef u64 clientid4; 523 524 struct nfs4_accessargs { 525 const struct nfs_fh * fh; 526 u32 access; 527 }; 528 529 struct nfs4_accessres { 530 u32 supported; 531 u32 access; 532 }; 533 534 struct nfs4_create_arg { 535 u32 ftype; 536 union { 537 struct qstr * symlink; /* NF4LNK */ 538 struct { 539 u32 specdata1; 540 u32 specdata2; 541 } device; /* NF4BLK, NF4CHR */ 542 } u; 543 const struct qstr * name; 544 const struct nfs_server * server; 545 const struct iattr * attrs; 546 const struct nfs_fh * dir_fh; 547 const u32 * bitmask; 548 }; 549 550 struct nfs4_create_res { 551 const struct nfs_server * server; 552 struct nfs_fh * fh; 553 struct nfs_fattr * fattr; 554 struct nfs4_change_info dir_cinfo; 555 struct nfs_fattr * dir_fattr; 556 }; 557 558 struct nfs4_fsinfo_arg { 559 const struct nfs_fh * fh; 560 const u32 * bitmask; 561 }; 562 563 struct nfs4_getattr_arg { 564 const struct nfs_fh * fh; 565 const u32 * bitmask; 566 }; 567 568 struct nfs4_getattr_res { 569 const struct nfs_server * server; 570 struct nfs_fattr * fattr; 571 }; 572 573 struct nfs4_link_arg { 574 const struct nfs_fh * fh; 575 const struct nfs_fh * dir_fh; 576 const struct qstr * name; 577 const u32 * bitmask; 578 }; 579 580 struct nfs4_link_res { 581 const struct nfs_server * server; 582 struct nfs_fattr * fattr; 583 struct nfs4_change_info cinfo; 584 struct nfs_fattr * dir_attr; 585 }; 586 587 588 struct nfs4_lookup_arg { 589 const struct nfs_fh * dir_fh; 590 const struct qstr * name; 591 const u32 * bitmask; 592 }; 593 594 struct nfs4_lookup_res { 595 const struct nfs_server * server; 596 struct nfs_fattr * fattr; 597 struct nfs_fh * fh; 598 }; 599 600 struct nfs4_lookup_root_arg { 601 const u32 * bitmask; 602 }; 603 604 struct nfs4_pathconf_arg { 605 const struct nfs_fh * fh; 606 const u32 * bitmask; 607 }; 608 609 struct nfs4_readdir_arg { 610 const struct nfs_fh * fh; 611 u64 cookie; 612 nfs4_verifier verifier; 613 u32 count; 614 struct page ** pages; /* zero-copy data */ 615 unsigned int pgbase; /* zero-copy data */ 616 const u32 * bitmask; 617 }; 618 619 struct nfs4_readdir_res { 620 nfs4_verifier verifier; 621 unsigned int pgbase; 622 }; 623 624 struct nfs4_readlink { 625 const struct nfs_fh * fh; 626 unsigned int pgbase; 627 unsigned int pglen; /* zero-copy data */ 628 struct page ** pages; /* zero-copy data */ 629 }; 630 631 struct nfs4_remove_arg { 632 const struct nfs_fh * fh; 633 const struct qstr * name; 634 const u32 * bitmask; 635 }; 636 637 struct nfs4_remove_res { 638 const struct nfs_server * server; 639 struct nfs4_change_info cinfo; 640 struct nfs_fattr * dir_attr; 641 }; 642 643 struct nfs4_rename_arg { 644 const struct nfs_fh * old_dir; 645 const struct nfs_fh * new_dir; 646 const struct qstr * old_name; 647 const struct qstr * new_name; 648 const u32 * bitmask; 649 }; 650 651 struct nfs4_rename_res { 652 const struct nfs_server * server; 653 struct nfs4_change_info old_cinfo; 654 struct nfs_fattr * old_fattr; 655 struct nfs4_change_info new_cinfo; 656 struct nfs_fattr * new_fattr; 657 }; 658 659 struct nfs4_setclientid { 660 const nfs4_verifier * sc_verifier; /* request */ 661 unsigned int sc_name_len; 662 char sc_name[48]; /* request */ 663 u32 sc_prog; /* request */ 664 unsigned int sc_netid_len; 665 char sc_netid[4]; /* request */ 666 unsigned int sc_uaddr_len; 667 char sc_uaddr[24]; /* request */ 668 u32 sc_cb_ident; /* request */ 669 }; 670 671 struct nfs4_statfs_arg { 672 const struct nfs_fh * fh; 673 const u32 * bitmask; 674 }; 675 676 struct nfs4_server_caps_res { 677 u32 attr_bitmask[2]; 678 u32 acl_bitmask; 679 u32 has_links; 680 u32 has_symlinks; 681 }; 682 683 struct nfs4_string { 684 unsigned int len; 685 char *data; 686 }; 687 688 #define NFS4_PATHNAME_MAXCOMPONENTS 512 689 struct nfs4_pathname { 690 unsigned int ncomponents; 691 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; 692 }; 693 694 #define NFS4_FS_LOCATION_MAXSERVERS 10 695 struct nfs4_fs_location { 696 unsigned int nservers; 697 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; 698 struct nfs4_pathname rootpath; 699 }; 700 701 #define NFS4_FS_LOCATIONS_MAXENTRIES 10 702 struct nfs4_fs_locations { 703 struct nfs_fattr fattr; 704 const struct nfs_server *server; 705 struct nfs4_pathname fs_path; 706 int nlocations; 707 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; 708 }; 709 710 struct nfs4_fs_locations_arg { 711 const struct nfs_fh *dir_fh; 712 const struct qstr *name; 713 struct page *page; 714 const u32 *bitmask; 715 }; 716 717 #endif /* CONFIG_NFS_V4 */ 718 719 struct nfs_page; 720 721 #define NFS_PAGEVEC_SIZE (8U) 722 723 struct nfs_read_data { 724 int flags; 725 struct rpc_task task; 726 struct inode *inode; 727 struct rpc_cred *cred; 728 struct nfs_fattr fattr; /* fattr storage */ 729 struct list_head pages; /* Coalesced read requests */ 730 struct nfs_page *req; /* multi ops per nfs_page */ 731 struct page **pagevec; 732 unsigned int npages; /* Max length of pagevec */ 733 struct nfs_readargs args; 734 struct nfs_readres res; 735 #ifdef CONFIG_NFS_V4 736 unsigned long timestamp; /* For lease renewal */ 737 #endif 738 struct page *page_array[NFS_PAGEVEC_SIZE]; 739 }; 740 741 struct nfs_write_data { 742 int flags; 743 struct rpc_task task; 744 struct inode *inode; 745 struct rpc_cred *cred; 746 struct nfs_fattr fattr; 747 struct nfs_writeverf verf; 748 struct list_head pages; /* Coalesced requests we wish to flush */ 749 struct nfs_page *req; /* multi ops per nfs_page */ 750 struct page **pagevec; 751 unsigned int npages; /* Max length of pagevec */ 752 struct nfs_writeargs args; /* argument struct */ 753 struct nfs_writeres res; /* result struct */ 754 #ifdef CONFIG_NFS_V4 755 unsigned long timestamp; /* For lease renewal */ 756 #endif 757 struct page *page_array[NFS_PAGEVEC_SIZE]; 758 }; 759 760 struct nfs_access_entry; 761 762 /* 763 * RPC procedure vector for NFSv2/NFSv3 demuxing 764 */ 765 struct nfs_rpc_ops { 766 int version; /* Protocol version */ 767 struct dentry_operations *dentry_ops; 768 struct inode_operations *dir_inode_ops; 769 struct inode_operations *file_inode_ops; 770 771 int (*getroot) (struct nfs_server *, struct nfs_fh *, 772 struct nfs_fsinfo *); 773 int (*getattr) (struct nfs_server *, struct nfs_fh *, 774 struct nfs_fattr *); 775 int (*setattr) (struct dentry *, struct nfs_fattr *, 776 struct iattr *); 777 int (*lookup) (struct inode *, struct qstr *, 778 struct nfs_fh *, struct nfs_fattr *); 779 int (*access) (struct inode *, struct nfs_access_entry *); 780 int (*readlink)(struct inode *, struct page *, unsigned int, 781 unsigned int); 782 int (*read) (struct nfs_read_data *); 783 int (*write) (struct nfs_write_data *); 784 int (*commit) (struct nfs_write_data *); 785 int (*create) (struct inode *, struct dentry *, 786 struct iattr *, int, struct nameidata *); 787 int (*remove) (struct inode *, struct qstr *); 788 int (*unlink_setup) (struct rpc_message *, 789 struct dentry *, struct qstr *); 790 int (*unlink_done) (struct dentry *, struct rpc_task *); 791 int (*rename) (struct inode *, struct qstr *, 792 struct inode *, struct qstr *); 793 int (*link) (struct inode *, struct inode *, struct qstr *); 794 int (*symlink) (struct inode *, struct qstr *, struct qstr *, 795 struct iattr *, struct nfs_fh *, 796 struct nfs_fattr *); 797 int (*mkdir) (struct inode *, struct dentry *, struct iattr *); 798 int (*rmdir) (struct inode *, struct qstr *); 799 int (*readdir) (struct dentry *, struct rpc_cred *, 800 u64, struct page *, unsigned int, int); 801 int (*mknod) (struct inode *, struct dentry *, struct iattr *, 802 dev_t); 803 int (*statfs) (struct nfs_server *, struct nfs_fh *, 804 struct nfs_fsstat *); 805 int (*fsinfo) (struct nfs_server *, struct nfs_fh *, 806 struct nfs_fsinfo *); 807 int (*pathconf) (struct nfs_server *, struct nfs_fh *, 808 struct nfs_pathconf *); 809 u32 * (*decode_dirent)(u32 *, struct nfs_entry *, int plus); 810 void (*read_setup) (struct nfs_read_data *); 811 int (*read_done) (struct rpc_task *, struct nfs_read_data *); 812 void (*write_setup) (struct nfs_write_data *, int how); 813 int (*write_done) (struct rpc_task *, struct nfs_write_data *); 814 void (*commit_setup) (struct nfs_write_data *, int how); 815 int (*commit_done) (struct rpc_task *, struct nfs_write_data *); 816 int (*file_open) (struct inode *, struct file *); 817 int (*file_release) (struct inode *, struct file *); 818 int (*lock)(struct file *, int, struct file_lock *); 819 void (*clear_acl_cache)(struct inode *); 820 }; 821 822 /* 823 * NFS_CALL(getattr, inode, (fattr)); 824 * into 825 * NFS_PROTO(inode)->getattr(fattr); 826 */ 827 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args 828 829 /* 830 * Function vectors etc. for the NFS client 831 */ 832 extern struct nfs_rpc_ops nfs_v2_clientops; 833 extern struct nfs_rpc_ops nfs_v3_clientops; 834 extern struct nfs_rpc_ops nfs_v4_clientops; 835 extern struct rpc_version nfs_version2; 836 extern struct rpc_version nfs_version3; 837 extern struct rpc_version nfs_version4; 838 839 extern struct rpc_version nfsacl_version3; 840 extern struct rpc_program nfsacl_program; 841 842 #endif 843
