1 #ifndef _LINUX_NFS_XDR_H
2 #define _LINUX_NFS_XDR_H
4 #include <linux/nfsacl.h>
5 #include <linux/nfs3.h>
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.
13 #define NFS_MAX_FILE_IO_SIZE (1048576U)
14 #define NFS_DEF_FILE_IO_SIZE (4096U)
15 #define NFS_MIN_FILE_IO_SIZE (1024U)
23 * Helper for checking equality between 2 fsids.
25 static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
27 return a->major == b->major && a->minor == b->minor;
31 unsigned int valid; /* which fields are valid */
49 struct timespec atime;
50 struct timespec mtime;
51 struct timespec ctime;
52 __u64 change_attr; /* NFSv4 change attribute */
53 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
54 __u64 pre_size; /* pre_op_attr.size */
55 struct timespec pre_mtime; /* pre_op_attr.mtime */
56 struct timespec pre_ctime; /* pre_op_attr.ctime */
57 unsigned long time_start;
58 unsigned long gencount;
61 #define NFS_ATTR_FATTR_TYPE (1U << 0)
62 #define NFS_ATTR_FATTR_MODE (1U << 1)
63 #define NFS_ATTR_FATTR_NLINK (1U << 2)
64 #define NFS_ATTR_FATTR_OWNER (1U << 3)
65 #define NFS_ATTR_FATTR_GROUP (1U << 4)
66 #define NFS_ATTR_FATTR_RDEV (1U << 5)
67 #define NFS_ATTR_FATTR_SIZE (1U << 6)
68 #define NFS_ATTR_FATTR_PRESIZE (1U << 7)
69 #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
70 #define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
71 #define NFS_ATTR_FATTR_FSID (1U << 10)
72 #define NFS_ATTR_FATTR_FILEID (1U << 11)
73 #define NFS_ATTR_FATTR_ATIME (1U << 12)
74 #define NFS_ATTR_FATTR_MTIME (1U << 13)
75 #define NFS_ATTR_FATTR_CTIME (1U << 14)
76 #define NFS_ATTR_FATTR_PREMTIME (1U << 15)
77 #define NFS_ATTR_FATTR_PRECTIME (1U << 16)
78 #define NFS_ATTR_FATTR_CHANGE (1U << 17)
79 #define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
80 #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */
82 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
83 | NFS_ATTR_FATTR_MODE \
84 | NFS_ATTR_FATTR_NLINK \
85 | NFS_ATTR_FATTR_OWNER \
86 | NFS_ATTR_FATTR_GROUP \
87 | NFS_ATTR_FATTR_RDEV \
88 | NFS_ATTR_FATTR_SIZE \
89 | NFS_ATTR_FATTR_FSID \
90 | NFS_ATTR_FATTR_FILEID \
91 | NFS_ATTR_FATTR_ATIME \
92 | NFS_ATTR_FATTR_MTIME \
93 | NFS_ATTR_FATTR_CTIME)
94 #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
95 | NFS_ATTR_FATTR_BLOCKS_USED)
96 #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
97 | NFS_ATTR_FATTR_SPACE_USED)
98 #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
99 | NFS_ATTR_FATTR_SPACE_USED \
100 | NFS_ATTR_FATTR_CHANGE)
103 * Info on the file system
106 struct nfs_fattr *fattr; /* Post-op attributes */
107 __u32 rtmax; /* max. read transfer size */
108 __u32 rtpref; /* pref. read transfer size */
109 __u32 rtmult; /* reads should be multiple of this */
110 __u32 wtmax; /* max. write transfer size */
111 __u32 wtpref; /* pref. write transfer size */
112 __u32 wtmult; /* writes should be multiple of this */
113 __u32 dtpref; /* pref. readdir transfer size */
115 struct timespec time_delta; /* server time granularity */
116 __u32 lease_time; /* in seconds */
117 __u32 layouttype; /* supported pnfs layout driver */
121 struct nfs_fattr *fattr; /* Post-op attributes */
122 __u64 tbytes; /* total size in bytes */
123 __u64 fbytes; /* # of free bytes */
124 __u64 abytes; /* # of bytes available to user */
125 __u64 tfiles; /* # of files */
126 __u64 ffiles; /* # of free files */
127 __u64 afiles; /* # of files available to user */
131 __u32 tsize; /* Server transfer size */
132 __u32 bsize; /* Filesystem block size */
133 __u32 blocks; /* No. of "bsize" blocks on filesystem */
134 __u32 bfree; /* No. of free "bsize" blocks */
135 __u32 bavail; /* No. of available "bsize" blocks */
138 struct nfs_pathconf {
139 struct nfs_fattr *fattr; /* Post-op attributes */
140 __u32 max_link; /* max # of hard links */
141 __u32 max_namelen; /* max name length */
144 struct nfs4_change_info {
152 /* nfs41 sessions channel attributes */
153 struct nfs4_channel_attrs {
157 u32 max_resp_sz_cached;
162 /* nfs41 sessions slot seqid */
167 struct nfs4_sequence_args {
168 struct nfs4_session *sa_session;
173 struct nfs4_sequence_res {
174 struct nfs4_session *sr_session;
175 struct nfs4_slot *sr_slot; /* slot used to send request */
176 int sr_status; /* sequence operation status */
177 unsigned long sr_renewal_time;
181 struct nfs4_get_lease_time_args {
182 struct nfs4_sequence_args la_seq_args;
185 struct nfs4_get_lease_time_res {
186 struct nfs_fsinfo *lr_fsinfo;
187 struct nfs4_sequence_res lr_seq_res;
190 #define PNFS_LAYOUT_MAXSIZE 4096
192 struct nfs4_layoutdriver_data {
197 struct pnfs_layout_range {
203 struct nfs4_layoutget_args {
205 struct pnfs_layout_range range;
209 struct nfs_open_context *ctx;
210 struct nfs4_sequence_args seq_args;
211 nfs4_stateid stateid;
214 struct nfs4_layoutget_res {
215 __u32 return_on_close;
216 struct pnfs_layout_range range;
218 nfs4_stateid stateid;
219 struct nfs4_layoutdriver_data layout;
220 struct nfs4_sequence_res seq_res;
223 struct nfs4_layoutget {
224 struct nfs4_layoutget_args args;
225 struct nfs4_layoutget_res res;
226 struct pnfs_layout_segment **lsegpp;
229 struct nfs4_getdeviceinfo_args {
230 struct pnfs_device *pdev;
231 struct nfs4_sequence_args seq_args;
234 struct nfs4_getdeviceinfo_res {
235 struct pnfs_device *pdev;
236 struct nfs4_sequence_res seq_res;
240 * Arguments to the open call.
242 struct nfs_openargs {
243 const struct nfs_fh * fh;
244 struct nfs_seqid * seqid;
251 struct iattr * attrs; /* UNCHECKED, GUARDED */
252 nfs4_verifier verifier; /* EXCLUSIVE */
254 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
255 fmode_t delegation_type; /* CLAIM_PREVIOUS */
257 const struct qstr * name;
258 const struct nfs_server *server; /* Needed for ID mapping */
261 struct nfs4_sequence_args seq_args;
265 nfs4_stateid stateid;
267 struct nfs4_change_info cinfo;
269 struct nfs_fattr * f_attr;
270 struct nfs_fattr * dir_attr;
271 struct nfs_seqid * seqid;
272 const struct nfs_server *server;
273 fmode_t delegation_type;
274 nfs4_stateid delegation;
277 __u32 attrset[NFS4_BITMAP_SIZE];
278 struct nfs4_sequence_res seq_res;
282 * Arguments to the open_confirm call.
284 struct nfs_open_confirmargs {
285 const struct nfs_fh * fh;
286 nfs4_stateid * stateid;
287 struct nfs_seqid * seqid;
290 struct nfs_open_confirmres {
291 nfs4_stateid stateid;
292 struct nfs_seqid * seqid;
296 * Arguments to the close call.
298 struct nfs_closeargs {
300 nfs4_stateid * stateid;
301 struct nfs_seqid * seqid;
304 struct nfs4_sequence_args seq_args;
307 struct nfs_closeres {
308 nfs4_stateid stateid;
309 struct nfs_fattr * fattr;
310 struct nfs_seqid * seqid;
311 const struct nfs_server *server;
312 struct nfs4_sequence_res seq_res;
315 * * Arguments to the lock,lockt, and locku call.
322 struct nfs_lock_args {
324 struct file_lock * fl;
325 struct nfs_seqid * lock_seqid;
326 nfs4_stateid * lock_stateid;
327 struct nfs_seqid * open_seqid;
328 nfs4_stateid * open_stateid;
329 struct nfs_lowner lock_owner;
330 unsigned char block : 1;
331 unsigned char reclaim : 1;
332 unsigned char new_lock_owner : 1;
333 struct nfs4_sequence_args seq_args;
336 struct nfs_lock_res {
337 nfs4_stateid stateid;
338 struct nfs_seqid * lock_seqid;
339 struct nfs_seqid * open_seqid;
340 struct nfs4_sequence_res seq_res;
343 struct nfs_locku_args {
345 struct file_lock * fl;
346 struct nfs_seqid * seqid;
347 nfs4_stateid * stateid;
348 struct nfs4_sequence_args seq_args;
351 struct nfs_locku_res {
352 nfs4_stateid stateid;
353 struct nfs_seqid * seqid;
354 struct nfs4_sequence_res seq_res;
357 struct nfs_lockt_args {
359 struct file_lock * fl;
360 struct nfs_lowner lock_owner;
361 struct nfs4_sequence_args seq_args;
364 struct nfs_lockt_res {
365 struct file_lock * denied; /* LOCK, LOCKT failed */
366 struct nfs4_sequence_res seq_res;
369 struct nfs_release_lockowner_args {
370 struct nfs_lowner lock_owner;
373 struct nfs4_delegreturnargs {
374 const struct nfs_fh *fhandle;
375 const nfs4_stateid *stateid;
377 struct nfs4_sequence_args seq_args;
380 struct nfs4_delegreturnres {
381 struct nfs_fattr * fattr;
382 const struct nfs_server *server;
383 struct nfs4_sequence_res seq_res;
387 * Arguments to the read call.
389 struct nfs_readargs {
391 struct nfs_open_context *context;
392 struct nfs_lock_context *lock_context;
396 struct page ** pages;
397 struct nfs4_sequence_args seq_args;
401 struct nfs_fattr * fattr;
404 struct nfs4_sequence_res seq_res;
408 * Arguments to the write call.
410 struct nfs_writeargs {
412 struct nfs_open_context *context;
413 struct nfs_lock_context *lock_context;
416 enum nfs3_stable_how stable;
418 struct page ** pages;
420 struct nfs4_sequence_args seq_args;
423 struct nfs_writeverf {
424 enum nfs3_stable_how committed;
428 struct nfs_writeres {
429 struct nfs_fattr * fattr;
430 struct nfs_writeverf * verf;
432 const struct nfs_server *server;
433 struct nfs4_sequence_res seq_res;
437 * Common arguments to the unlink call
439 struct nfs_removeargs {
440 const struct nfs_fh *fh;
443 struct nfs4_sequence_args seq_args;
446 struct nfs_removeres {
447 const struct nfs_server *server;
448 struct nfs_fattr *dir_attr;
449 struct nfs4_change_info cinfo;
450 struct nfs4_sequence_res seq_res;
454 * Common arguments to the rename call
456 struct nfs_renameargs {
457 const struct nfs_fh *old_dir;
458 const struct nfs_fh *new_dir;
459 const struct qstr *old_name;
460 const struct qstr *new_name;
462 struct nfs4_sequence_args seq_args;
465 struct nfs_renameres {
466 const struct nfs_server *server;
467 struct nfs4_change_info old_cinfo;
468 struct nfs_fattr *old_fattr;
469 struct nfs4_change_info new_cinfo;
470 struct nfs_fattr *new_fattr;
471 struct nfs4_sequence_res seq_res;
475 * Argument struct for decode_entry function
485 struct nfs_fattr * fattr;
486 unsigned char d_type;
487 struct nfs_server * server;
491 * The following types are for NFSv2 only.
493 struct nfs_sattrargs {
495 struct iattr * sattr;
498 struct nfs_diropargs {
504 struct nfs_createargs {
508 struct iattr * sattr;
511 struct nfs_setattrargs {
513 nfs4_stateid stateid;
515 const struct nfs_server * server; /* Needed for name mapping */
517 struct nfs4_sequence_args seq_args;
520 struct nfs_setaclargs {
523 unsigned int acl_pgbase;
524 struct page ** acl_pages;
525 struct nfs4_sequence_args seq_args;
528 struct nfs_setaclres {
529 struct nfs4_sequence_res seq_res;
532 struct nfs_getaclargs {
535 unsigned int acl_pgbase;
536 struct page ** acl_pages;
537 struct nfs4_sequence_args seq_args;
540 struct nfs_getaclres {
542 struct nfs4_sequence_res seq_res;
545 struct nfs_setattrres {
546 struct nfs_fattr * fattr;
547 const struct nfs_server * server;
548 struct nfs4_sequence_res seq_res;
551 struct nfs_linkargs {
552 struct nfs_fh * fromfh;
553 struct nfs_fh * tofh;
558 struct nfs_symlinkargs {
559 struct nfs_fh * fromfh;
560 const char * fromname;
561 unsigned int fromlen;
562 struct page ** pages;
563 unsigned int pathlen;
564 struct iattr * sattr;
567 struct nfs_readdirargs {
571 struct page ** pages;
574 struct nfs3_getaclargs {
577 struct page ** pages;
580 struct nfs3_setaclargs {
581 struct inode * inode;
583 struct posix_acl * acl_access;
584 struct posix_acl * acl_default;
587 struct page ** pages;
592 struct nfs_fattr * fattr;
595 struct nfs_readlinkargs {
599 struct page ** pages;
602 struct nfs3_sattrargs {
604 struct iattr * sattr;
606 struct timespec guardtime;
609 struct nfs3_diropargs {
615 struct nfs3_accessargs {
620 struct nfs3_createargs {
624 struct iattr * sattr;
625 enum nfs3_createmode createmode;
629 struct nfs3_mkdirargs {
633 struct iattr * sattr;
636 struct nfs3_symlinkargs {
637 struct nfs_fh * fromfh;
638 const char * fromname;
639 unsigned int fromlen;
640 struct page ** pages;
641 unsigned int pathlen;
642 struct iattr * sattr;
645 struct nfs3_mknodargs {
649 enum nfs3_ftype type;
650 struct iattr * sattr;
654 struct nfs3_linkargs {
655 struct nfs_fh * fromfh;
656 struct nfs_fh * tofh;
661 struct nfs3_readdirargs {
667 struct page ** pages;
670 struct nfs3_diropres {
671 struct nfs_fattr * dir_attr;
673 struct nfs_fattr * fattr;
676 struct nfs3_accessres {
677 struct nfs_fattr * fattr;
681 struct nfs3_readlinkargs {
685 struct page ** pages;
688 struct nfs3_linkres {
689 struct nfs_fattr * dir_attr;
690 struct nfs_fattr * fattr;
693 struct nfs3_readdirres {
694 struct nfs_fattr * dir_attr;
699 struct nfs3_getaclres {
700 struct nfs_fattr * fattr;
702 unsigned int acl_access_count;
703 unsigned int acl_default_count;
704 struct posix_acl * acl_access;
705 struct posix_acl * acl_default;
710 typedef u64 clientid4;
712 struct nfs4_accessargs {
713 const struct nfs_fh * fh;
716 struct nfs4_sequence_args seq_args;
719 struct nfs4_accessres {
720 const struct nfs_server * server;
721 struct nfs_fattr * fattr;
724 struct nfs4_sequence_res seq_res;
727 struct nfs4_create_arg {
731 struct page ** pages;
733 } symlink; /* NF4LNK */
737 } device; /* NF4BLK, NF4CHR */
739 const struct qstr * name;
740 const struct nfs_server * server;
741 const struct iattr * attrs;
742 const struct nfs_fh * dir_fh;
744 struct nfs4_sequence_args seq_args;
747 struct nfs4_create_res {
748 const struct nfs_server * server;
750 struct nfs_fattr * fattr;
751 struct nfs4_change_info dir_cinfo;
752 struct nfs_fattr * dir_fattr;
753 struct nfs4_sequence_res seq_res;
756 struct nfs4_fsinfo_arg {
757 const struct nfs_fh * fh;
759 struct nfs4_sequence_args seq_args;
762 struct nfs4_fsinfo_res {
763 struct nfs_fsinfo *fsinfo;
764 struct nfs4_sequence_res seq_res;
767 struct nfs4_getattr_arg {
768 const struct nfs_fh * fh;
770 struct nfs4_sequence_args seq_args;
773 struct nfs4_getattr_res {
774 const struct nfs_server * server;
775 struct nfs_fattr * fattr;
776 struct nfs4_sequence_res seq_res;
779 struct nfs4_link_arg {
780 const struct nfs_fh * fh;
781 const struct nfs_fh * dir_fh;
782 const struct qstr * name;
784 struct nfs4_sequence_args seq_args;
787 struct nfs4_link_res {
788 const struct nfs_server * server;
789 struct nfs_fattr * fattr;
790 struct nfs4_change_info cinfo;
791 struct nfs_fattr * dir_attr;
792 struct nfs4_sequence_res seq_res;
796 struct nfs4_lookup_arg {
797 const struct nfs_fh * dir_fh;
798 const struct qstr * name;
800 struct nfs4_sequence_args seq_args;
803 struct nfs4_lookup_res {
804 const struct nfs_server * server;
805 struct nfs_fattr * fattr;
807 struct nfs4_sequence_res seq_res;
810 struct nfs4_lookup_root_arg {
812 struct nfs4_sequence_args seq_args;
815 struct nfs4_pathconf_arg {
816 const struct nfs_fh * fh;
818 struct nfs4_sequence_args seq_args;
821 struct nfs4_pathconf_res {
822 struct nfs_pathconf *pathconf;
823 struct nfs4_sequence_res seq_res;
826 struct nfs4_readdir_arg {
827 const struct nfs_fh * fh;
829 nfs4_verifier verifier;
831 struct page ** pages; /* zero-copy data */
832 unsigned int pgbase; /* zero-copy data */
835 struct nfs4_sequence_args seq_args;
838 struct nfs4_readdir_res {
839 nfs4_verifier verifier;
841 struct nfs4_sequence_res seq_res;
844 struct nfs4_readlink {
845 const struct nfs_fh * fh;
847 unsigned int pglen; /* zero-copy data */
848 struct page ** pages; /* zero-copy data */
849 struct nfs4_sequence_args seq_args;
852 struct nfs4_readlink_res {
853 struct nfs4_sequence_res seq_res;
856 #define NFS4_SETCLIENTID_NAMELEN (127)
857 struct nfs4_setclientid {
858 const nfs4_verifier * sc_verifier;
859 unsigned int sc_name_len;
860 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
862 unsigned int sc_netid_len;
863 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
864 unsigned int sc_uaddr_len;
865 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
869 struct nfs4_setclientid_res {
871 nfs4_verifier confirm;
874 struct nfs4_statfs_arg {
875 const struct nfs_fh * fh;
877 struct nfs4_sequence_args seq_args;
880 struct nfs4_statfs_res {
881 struct nfs_fsstat *fsstat;
882 struct nfs4_sequence_res seq_res;
885 struct nfs4_server_caps_arg {
886 struct nfs_fh *fhandle;
887 struct nfs4_sequence_args seq_args;
890 struct nfs4_server_caps_res {
895 struct nfs4_sequence_res seq_res;
903 #define NFS4_PATHNAME_MAXCOMPONENTS 512
904 struct nfs4_pathname {
905 unsigned int ncomponents;
906 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
909 #define NFS4_FS_LOCATION_MAXSERVERS 10
910 struct nfs4_fs_location {
911 unsigned int nservers;
912 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
913 struct nfs4_pathname rootpath;
916 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
917 struct nfs4_fs_locations {
918 struct nfs_fattr fattr;
919 const struct nfs_server *server;
920 struct nfs4_pathname fs_path;
922 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
925 struct nfs4_fs_locations_arg {
926 const struct nfs_fh *dir_fh;
927 const struct qstr *name;
930 struct nfs4_sequence_args seq_args;
933 struct nfs4_fs_locations_res {
934 struct nfs4_fs_locations *fs_locations;
935 struct nfs4_sequence_res seq_res;
938 #endif /* CONFIG_NFS_V4 */
945 #ifdef CONFIG_NFS_V4_1
946 struct nfs_impl_id4 {
951 struct nfstime4 date;
954 #define NFS4_EXCHANGE_ID_LEN (48)
955 struct nfs41_exchange_id_args {
956 struct nfs_client *client;
957 nfs4_verifier *verifier;
959 char id[NFS4_EXCHANGE_ID_LEN];
963 struct server_owner {
965 uint32_t major_id_sz;
966 char major_id[NFS4_OPAQUE_LIMIT];
969 struct server_scope {
970 uint32_t server_scope_sz;
971 char server_scope[NFS4_OPAQUE_LIMIT];
974 struct nfs41_exchange_id_res {
975 struct nfs_client *client;
979 struct nfs41_create_session_args {
980 struct nfs_client *client;
983 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
984 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
987 struct nfs41_create_session_res {
988 struct nfs_client *client;
991 struct nfs41_reclaim_complete_args {
992 /* In the future extend to include curr_fh for use with migration */
993 unsigned char one_fs:1;
994 struct nfs4_sequence_args seq_args;
997 struct nfs41_reclaim_complete_res {
998 struct nfs4_sequence_res seq_res;
1000 #endif /* CONFIG_NFS_V4_1 */
1004 #define NFS_PAGEVEC_SIZE (8U)
1006 struct nfs_read_data {
1008 struct rpc_task task;
1009 struct inode *inode;
1010 struct rpc_cred *cred;
1011 struct nfs_fattr fattr; /* fattr storage */
1012 struct list_head pages; /* Coalesced read requests */
1013 struct nfs_page *req; /* multi ops per nfs_page */
1014 struct page **pagevec;
1015 unsigned int npages; /* Max length of pagevec */
1016 struct nfs_readargs args;
1017 struct nfs_readres res;
1018 #ifdef CONFIG_NFS_V4
1019 unsigned long timestamp; /* For lease renewal */
1021 struct page *page_array[NFS_PAGEVEC_SIZE];
1024 struct nfs_write_data {
1026 struct rpc_task task;
1027 struct inode *inode;
1028 struct rpc_cred *cred;
1029 struct nfs_fattr fattr;
1030 struct nfs_writeverf verf;
1031 struct list_head pages; /* Coalesced requests we wish to flush */
1032 struct nfs_page *req; /* multi ops per nfs_page */
1033 struct page **pagevec;
1034 unsigned int npages; /* Max length of pagevec */
1035 struct nfs_writeargs args; /* argument struct */
1036 struct nfs_writeres res; /* result struct */
1037 #ifdef CONFIG_NFS_V4
1038 unsigned long timestamp; /* For lease renewal */
1040 struct page *page_array[NFS_PAGEVEC_SIZE];
1043 struct nfs_access_entry;
1046 * RPC procedure vector for NFSv2/NFSv3 demuxing
1048 struct nfs_rpc_ops {
1049 u32 version; /* Protocol version */
1050 const struct dentry_operations *dentry_ops;
1051 const struct inode_operations *dir_inode_ops;
1052 const struct inode_operations *file_inode_ops;
1054 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1055 struct nfs_fsinfo *);
1056 int (*lookupfh)(struct nfs_server *, struct nfs_fh *,
1057 struct qstr *, struct nfs_fh *,
1058 struct nfs_fattr *);
1059 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1060 struct nfs_fattr *);
1061 int (*setattr) (struct dentry *, struct nfs_fattr *,
1063 int (*lookup) (struct inode *, struct qstr *,
1064 struct nfs_fh *, struct nfs_fattr *);
1065 int (*access) (struct inode *, struct nfs_access_entry *);
1066 int (*readlink)(struct inode *, struct page *, unsigned int,
1068 int (*create) (struct inode *, struct dentry *,
1069 struct iattr *, int, struct nfs_open_context *);
1070 int (*remove) (struct inode *, struct qstr *);
1071 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1072 int (*unlink_done) (struct rpc_task *, struct inode *);
1073 int (*rename) (struct inode *, struct qstr *,
1074 struct inode *, struct qstr *);
1075 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1076 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1077 int (*link) (struct inode *, struct inode *, struct qstr *);
1078 int (*symlink) (struct inode *, struct dentry *, struct page *,
1079 unsigned int, struct iattr *);
1080 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1081 int (*rmdir) (struct inode *, struct qstr *);
1082 int (*readdir) (struct dentry *, struct rpc_cred *,
1083 u64, struct page **, unsigned int, int);
1084 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1086 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1087 struct nfs_fsstat *);
1088 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1089 struct nfs_fsinfo *);
1090 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1091 struct nfs_pathconf *);
1092 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1093 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1094 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1095 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
1096 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
1097 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
1098 void (*commit_setup) (struct nfs_write_data *, struct rpc_message *);
1099 int (*commit_done) (struct rpc_task *, struct nfs_write_data *);
1100 int (*lock)(struct file *, int, struct file_lock *);
1101 int (*lock_check_bounds)(const struct file_lock *);
1102 void (*clear_acl_cache)(struct inode *);
1103 void (*close_context)(struct nfs_open_context *ctx, int);
1104 struct inode * (*open_context) (struct inode *dir,
1105 struct nfs_open_context *ctx,
1107 struct iattr *iattr);
1111 * NFS_CALL(getattr, inode, (fattr));
1113 * NFS_PROTO(inode)->getattr(fattr);
1115 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1118 * Function vectors etc. for the NFS client
1120 extern const struct nfs_rpc_ops nfs_v2_clientops;
1121 extern const struct nfs_rpc_ops nfs_v3_clientops;
1122 extern const struct nfs_rpc_ops nfs_v4_clientops;
1123 extern struct rpc_version nfs_version2;
1124 extern struct rpc_version nfs_version3;
1125 extern struct rpc_version nfs_version4;
1127 extern struct rpc_version nfsacl_version3;
1128 extern struct rpc_program nfsacl_program;