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.
323 struct nfs_lock_args {
325 struct file_lock * fl;
326 struct nfs_seqid * lock_seqid;
327 nfs4_stateid * lock_stateid;
328 struct nfs_seqid * open_seqid;
329 nfs4_stateid * open_stateid;
330 struct nfs_lowner lock_owner;
331 unsigned char block : 1;
332 unsigned char reclaim : 1;
333 unsigned char new_lock_owner : 1;
334 struct nfs4_sequence_args seq_args;
337 struct nfs_lock_res {
338 nfs4_stateid stateid;
339 struct nfs_seqid * lock_seqid;
340 struct nfs_seqid * open_seqid;
341 struct nfs4_sequence_res seq_res;
344 struct nfs_locku_args {
346 struct file_lock * fl;
347 struct nfs_seqid * seqid;
348 nfs4_stateid * stateid;
349 struct nfs4_sequence_args seq_args;
352 struct nfs_locku_res {
353 nfs4_stateid stateid;
354 struct nfs_seqid * seqid;
355 struct nfs4_sequence_res seq_res;
358 struct nfs_lockt_args {
360 struct file_lock * fl;
361 struct nfs_lowner lock_owner;
362 struct nfs4_sequence_args seq_args;
365 struct nfs_lockt_res {
366 struct file_lock * denied; /* LOCK, LOCKT failed */
367 struct nfs4_sequence_res seq_res;
370 struct nfs_release_lockowner_args {
371 struct nfs_lowner lock_owner;
374 struct nfs4_delegreturnargs {
375 const struct nfs_fh *fhandle;
376 const nfs4_stateid *stateid;
378 struct nfs4_sequence_args seq_args;
381 struct nfs4_delegreturnres {
382 struct nfs_fattr * fattr;
383 const struct nfs_server *server;
384 struct nfs4_sequence_res seq_res;
388 * Arguments to the read call.
390 struct nfs_readargs {
392 struct nfs_open_context *context;
393 struct nfs_lock_context *lock_context;
397 struct page ** pages;
398 struct nfs4_sequence_args seq_args;
402 struct nfs_fattr * fattr;
405 struct nfs4_sequence_res seq_res;
409 * Arguments to the write call.
411 struct nfs_writeargs {
413 struct nfs_open_context *context;
414 struct nfs_lock_context *lock_context;
417 enum nfs3_stable_how stable;
419 struct page ** pages;
421 struct nfs4_sequence_args seq_args;
424 struct nfs_writeverf {
425 enum nfs3_stable_how committed;
429 struct nfs_writeres {
430 struct nfs_fattr * fattr;
431 struct nfs_writeverf * verf;
433 const struct nfs_server *server;
434 struct nfs4_sequence_res seq_res;
438 * Common arguments to the unlink call
440 struct nfs_removeargs {
441 const struct nfs_fh *fh;
444 struct nfs4_sequence_args seq_args;
447 struct nfs_removeres {
448 const struct nfs_server *server;
449 struct nfs_fattr *dir_attr;
450 struct nfs4_change_info cinfo;
451 struct nfs4_sequence_res seq_res;
455 * Common arguments to the rename call
457 struct nfs_renameargs {
458 const struct nfs_fh *old_dir;
459 const struct nfs_fh *new_dir;
460 const struct qstr *old_name;
461 const struct qstr *new_name;
463 struct nfs4_sequence_args seq_args;
466 struct nfs_renameres {
467 const struct nfs_server *server;
468 struct nfs4_change_info old_cinfo;
469 struct nfs_fattr *old_fattr;
470 struct nfs4_change_info new_cinfo;
471 struct nfs_fattr *new_fattr;
472 struct nfs4_sequence_res seq_res;
476 * Argument struct for decode_entry function
486 struct nfs_fattr * fattr;
487 unsigned char d_type;
488 struct nfs_server * server;
492 * The following types are for NFSv2 only.
494 struct nfs_sattrargs {
496 struct iattr * sattr;
499 struct nfs_diropargs {
505 struct nfs_createargs {
509 struct iattr * sattr;
512 struct nfs_setattrargs {
514 nfs4_stateid stateid;
516 const struct nfs_server * server; /* Needed for name mapping */
518 struct nfs4_sequence_args seq_args;
521 struct nfs_setaclargs {
524 unsigned int acl_pgbase;
525 struct page ** acl_pages;
526 struct nfs4_sequence_args seq_args;
529 struct nfs_setaclres {
530 struct nfs4_sequence_res seq_res;
533 struct nfs_getaclargs {
536 unsigned int acl_pgbase;
537 struct page ** acl_pages;
538 struct nfs4_sequence_args seq_args;
541 struct nfs_getaclres {
543 struct nfs4_sequence_res seq_res;
546 struct nfs_setattrres {
547 struct nfs_fattr * fattr;
548 const struct nfs_server * server;
549 struct nfs4_sequence_res seq_res;
552 struct nfs_linkargs {
553 struct nfs_fh * fromfh;
554 struct nfs_fh * tofh;
559 struct nfs_symlinkargs {
560 struct nfs_fh * fromfh;
561 const char * fromname;
562 unsigned int fromlen;
563 struct page ** pages;
564 unsigned int pathlen;
565 struct iattr * sattr;
568 struct nfs_readdirargs {
572 struct page ** pages;
575 struct nfs3_getaclargs {
578 struct page ** pages;
581 struct nfs3_setaclargs {
582 struct inode * inode;
584 struct posix_acl * acl_access;
585 struct posix_acl * acl_default;
588 struct page ** pages;
593 struct nfs_fattr * fattr;
596 struct nfs_readlinkargs {
600 struct page ** pages;
603 struct nfs3_sattrargs {
605 struct iattr * sattr;
607 struct timespec guardtime;
610 struct nfs3_diropargs {
616 struct nfs3_accessargs {
621 struct nfs3_createargs {
625 struct iattr * sattr;
626 enum nfs3_createmode createmode;
630 struct nfs3_mkdirargs {
634 struct iattr * sattr;
637 struct nfs3_symlinkargs {
638 struct nfs_fh * fromfh;
639 const char * fromname;
640 unsigned int fromlen;
641 struct page ** pages;
642 unsigned int pathlen;
643 struct iattr * sattr;
646 struct nfs3_mknodargs {
650 enum nfs3_ftype type;
651 struct iattr * sattr;
655 struct nfs3_linkargs {
656 struct nfs_fh * fromfh;
657 struct nfs_fh * tofh;
662 struct nfs3_readdirargs {
668 struct page ** pages;
671 struct nfs3_diropres {
672 struct nfs_fattr * dir_attr;
674 struct nfs_fattr * fattr;
677 struct nfs3_accessres {
678 struct nfs_fattr * fattr;
682 struct nfs3_readlinkargs {
686 struct page ** pages;
689 struct nfs3_linkres {
690 struct nfs_fattr * dir_attr;
691 struct nfs_fattr * fattr;
694 struct nfs3_readdirres {
695 struct nfs_fattr * dir_attr;
700 struct nfs3_getaclres {
701 struct nfs_fattr * fattr;
703 unsigned int acl_access_count;
704 unsigned int acl_default_count;
705 struct posix_acl * acl_access;
706 struct posix_acl * acl_default;
711 typedef u64 clientid4;
713 struct nfs4_accessargs {
714 const struct nfs_fh * fh;
717 struct nfs4_sequence_args seq_args;
720 struct nfs4_accessres {
721 const struct nfs_server * server;
722 struct nfs_fattr * fattr;
725 struct nfs4_sequence_res seq_res;
728 struct nfs4_create_arg {
732 struct page ** pages;
734 } symlink; /* NF4LNK */
738 } device; /* NF4BLK, NF4CHR */
740 const struct qstr * name;
741 const struct nfs_server * server;
742 const struct iattr * attrs;
743 const struct nfs_fh * dir_fh;
745 struct nfs4_sequence_args seq_args;
748 struct nfs4_create_res {
749 const struct nfs_server * server;
751 struct nfs_fattr * fattr;
752 struct nfs4_change_info dir_cinfo;
753 struct nfs_fattr * dir_fattr;
754 struct nfs4_sequence_res seq_res;
757 struct nfs4_fsinfo_arg {
758 const struct nfs_fh * fh;
760 struct nfs4_sequence_args seq_args;
763 struct nfs4_fsinfo_res {
764 struct nfs_fsinfo *fsinfo;
765 struct nfs4_sequence_res seq_res;
768 struct nfs4_getattr_arg {
769 const struct nfs_fh * fh;
771 struct nfs4_sequence_args seq_args;
774 struct nfs4_getattr_res {
775 const struct nfs_server * server;
776 struct nfs_fattr * fattr;
777 struct nfs4_sequence_res seq_res;
780 struct nfs4_link_arg {
781 const struct nfs_fh * fh;
782 const struct nfs_fh * dir_fh;
783 const struct qstr * name;
785 struct nfs4_sequence_args seq_args;
788 struct nfs4_link_res {
789 const struct nfs_server * server;
790 struct nfs_fattr * fattr;
791 struct nfs4_change_info cinfo;
792 struct nfs_fattr * dir_attr;
793 struct nfs4_sequence_res seq_res;
797 struct nfs4_lookup_arg {
798 const struct nfs_fh * dir_fh;
799 const struct qstr * name;
801 struct nfs4_sequence_args seq_args;
804 struct nfs4_lookup_res {
805 const struct nfs_server * server;
806 struct nfs_fattr * fattr;
808 struct nfs4_sequence_res seq_res;
811 struct nfs4_lookup_root_arg {
813 struct nfs4_sequence_args seq_args;
816 struct nfs4_pathconf_arg {
817 const struct nfs_fh * fh;
819 struct nfs4_sequence_args seq_args;
822 struct nfs4_pathconf_res {
823 struct nfs_pathconf *pathconf;
824 struct nfs4_sequence_res seq_res;
827 struct nfs4_readdir_arg {
828 const struct nfs_fh * fh;
830 nfs4_verifier verifier;
832 struct page ** pages; /* zero-copy data */
833 unsigned int pgbase; /* zero-copy data */
836 struct nfs4_sequence_args seq_args;
839 struct nfs4_readdir_res {
840 nfs4_verifier verifier;
842 struct nfs4_sequence_res seq_res;
845 struct nfs4_readlink {
846 const struct nfs_fh * fh;
848 unsigned int pglen; /* zero-copy data */
849 struct page ** pages; /* zero-copy data */
850 struct nfs4_sequence_args seq_args;
853 struct nfs4_readlink_res {
854 struct nfs4_sequence_res seq_res;
857 #define NFS4_SETCLIENTID_NAMELEN (127)
858 struct nfs4_setclientid {
859 const nfs4_verifier * sc_verifier;
860 unsigned int sc_name_len;
861 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
863 unsigned int sc_netid_len;
864 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
865 unsigned int sc_uaddr_len;
866 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
870 struct nfs4_setclientid_res {
872 nfs4_verifier confirm;
875 struct nfs4_statfs_arg {
876 const struct nfs_fh * fh;
878 struct nfs4_sequence_args seq_args;
881 struct nfs4_statfs_res {
882 struct nfs_fsstat *fsstat;
883 struct nfs4_sequence_res seq_res;
886 struct nfs4_server_caps_arg {
887 struct nfs_fh *fhandle;
888 struct nfs4_sequence_args seq_args;
891 struct nfs4_server_caps_res {
896 struct nfs4_sequence_res seq_res;
904 #define NFS4_PATHNAME_MAXCOMPONENTS 512
905 struct nfs4_pathname {
906 unsigned int ncomponents;
907 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
910 #define NFS4_FS_LOCATION_MAXSERVERS 10
911 struct nfs4_fs_location {
912 unsigned int nservers;
913 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
914 struct nfs4_pathname rootpath;
917 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
918 struct nfs4_fs_locations {
919 struct nfs_fattr fattr;
920 const struct nfs_server *server;
921 struct nfs4_pathname fs_path;
923 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
926 struct nfs4_fs_locations_arg {
927 const struct nfs_fh *dir_fh;
928 const struct qstr *name;
931 struct nfs4_sequence_args seq_args;
934 struct nfs4_fs_locations_res {
935 struct nfs4_fs_locations *fs_locations;
936 struct nfs4_sequence_res seq_res;
939 #endif /* CONFIG_NFS_V4 */
946 #ifdef CONFIG_NFS_V4_1
947 struct nfs_impl_id4 {
952 struct nfstime4 date;
955 #define NFS4_EXCHANGE_ID_LEN (48)
956 struct nfs41_exchange_id_args {
957 struct nfs_client *client;
958 nfs4_verifier *verifier;
960 char id[NFS4_EXCHANGE_ID_LEN];
964 struct server_owner {
966 uint32_t major_id_sz;
967 char major_id[NFS4_OPAQUE_LIMIT];
970 struct server_scope {
971 uint32_t server_scope_sz;
972 char server_scope[NFS4_OPAQUE_LIMIT];
975 struct nfs41_exchange_id_res {
976 struct nfs_client *client;
980 struct nfs41_create_session_args {
981 struct nfs_client *client;
984 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
985 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
988 struct nfs41_create_session_res {
989 struct nfs_client *client;
992 struct nfs41_reclaim_complete_args {
993 /* In the future extend to include curr_fh for use with migration */
994 unsigned char one_fs:1;
995 struct nfs4_sequence_args seq_args;
998 struct nfs41_reclaim_complete_res {
999 struct nfs4_sequence_res seq_res;
1001 #endif /* CONFIG_NFS_V4_1 */
1005 #define NFS_PAGEVEC_SIZE (8U)
1007 struct nfs_read_data {
1009 struct rpc_task task;
1010 struct inode *inode;
1011 struct rpc_cred *cred;
1012 struct nfs_fattr fattr; /* fattr storage */
1013 struct list_head pages; /* Coalesced read requests */
1014 struct nfs_page *req; /* multi ops per nfs_page */
1015 struct page **pagevec;
1016 unsigned int npages; /* Max length of pagevec */
1017 struct nfs_readargs args;
1018 struct nfs_readres res;
1019 unsigned long timestamp; /* For lease renewal */
1020 struct pnfs_layout_segment *lseg;
1021 struct nfs_client *ds_clp; /* pNFS data server */
1022 const struct rpc_call_ops *mds_ops;
1023 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
1025 struct page *page_array[NFS_PAGEVEC_SIZE];
1028 struct nfs_write_data {
1030 struct rpc_task task;
1031 struct inode *inode;
1032 struct rpc_cred *cred;
1033 struct nfs_fattr fattr;
1034 struct nfs_writeverf verf;
1035 struct list_head pages; /* Coalesced requests we wish to flush */
1036 struct nfs_page *req; /* multi ops per nfs_page */
1037 struct page **pagevec;
1038 unsigned int npages; /* Max length of pagevec */
1039 struct nfs_writeargs args; /* argument struct */
1040 struct nfs_writeres res; /* result struct */
1041 struct pnfs_layout_segment *lseg;
1042 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
1043 #ifdef CONFIG_NFS_V4
1044 unsigned long timestamp; /* For lease renewal */
1046 struct page *page_array[NFS_PAGEVEC_SIZE];
1049 struct nfs_access_entry;
1053 * RPC procedure vector for NFSv2/NFSv3 demuxing
1055 struct nfs_rpc_ops {
1056 u32 version; /* Protocol version */
1057 const struct dentry_operations *dentry_ops;
1058 const struct inode_operations *dir_inode_ops;
1059 const struct inode_operations *file_inode_ops;
1061 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1062 struct nfs_fsinfo *);
1063 int (*lookupfh)(struct nfs_server *, struct nfs_fh *,
1064 struct qstr *, struct nfs_fh *,
1065 struct nfs_fattr *);
1066 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1067 struct nfs_fattr *);
1068 int (*setattr) (struct dentry *, struct nfs_fattr *,
1070 int (*lookup) (struct inode *, struct qstr *,
1071 struct nfs_fh *, struct nfs_fattr *);
1072 int (*access) (struct inode *, struct nfs_access_entry *);
1073 int (*readlink)(struct inode *, struct page *, unsigned int,
1075 int (*create) (struct inode *, struct dentry *,
1076 struct iattr *, int, struct nfs_open_context *);
1077 int (*remove) (struct inode *, struct qstr *);
1078 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1079 int (*unlink_done) (struct rpc_task *, struct inode *);
1080 int (*rename) (struct inode *, struct qstr *,
1081 struct inode *, struct qstr *);
1082 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1083 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1084 int (*link) (struct inode *, struct inode *, struct qstr *);
1085 int (*symlink) (struct inode *, struct dentry *, struct page *,
1086 unsigned int, struct iattr *);
1087 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1088 int (*rmdir) (struct inode *, struct qstr *);
1089 int (*readdir) (struct dentry *, struct rpc_cred *,
1090 u64, struct page **, unsigned int, int);
1091 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1093 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1094 struct nfs_fsstat *);
1095 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1096 struct nfs_fsinfo *);
1097 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1098 struct nfs_pathconf *);
1099 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1100 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1101 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1102 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
1103 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
1104 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
1105 void (*commit_setup) (struct nfs_write_data *, struct rpc_message *);
1106 int (*commit_done) (struct rpc_task *, struct nfs_write_data *);
1107 int (*lock)(struct file *, int, struct file_lock *);
1108 int (*lock_check_bounds)(const struct file_lock *);
1109 void (*clear_acl_cache)(struct inode *);
1110 void (*close_context)(struct nfs_open_context *ctx, int);
1111 struct inode * (*open_context) (struct inode *dir,
1112 struct nfs_open_context *ctx,
1114 struct iattr *iattr);
1115 int (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1116 const char *, rpc_authflavor_t, int);
1120 * NFS_CALL(getattr, inode, (fattr));
1122 * NFS_PROTO(inode)->getattr(fattr);
1124 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1127 * Function vectors etc. for the NFS client
1129 extern const struct nfs_rpc_ops nfs_v2_clientops;
1130 extern const struct nfs_rpc_ops nfs_v3_clientops;
1131 extern const struct nfs_rpc_ops nfs_v4_clientops;
1132 extern struct rpc_version nfs_version2;
1133 extern struct rpc_version nfs_version3;
1134 extern struct rpc_version nfs_version4;
1136 extern struct rpc_version nfsacl_version3;
1137 extern struct rpc_program nfsacl_program;