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 __u32 lease_time
; /* in seconds */
119 struct nfs_fattr
*fattr
; /* Post-op attributes */
120 __u64 tbytes
; /* total size in bytes */
121 __u64 fbytes
; /* # of free bytes */
122 __u64 abytes
; /* # of bytes available to user */
123 __u64 tfiles
; /* # of files */
124 __u64 ffiles
; /* # of free files */
125 __u64 afiles
; /* # of files available to user */
129 __u32 tsize
; /* Server transfer size */
130 __u32 bsize
; /* Filesystem block size */
131 __u32 blocks
; /* No. of "bsize" blocks on filesystem */
132 __u32 bfree
; /* No. of free "bsize" blocks */
133 __u32 bavail
; /* No. of available "bsize" blocks */
136 struct nfs_pathconf
{
137 struct nfs_fattr
*fattr
; /* Post-op attributes */
138 __u32 max_link
; /* max # of hard links */
139 __u32 max_namelen
; /* max name length */
142 struct nfs4_change_info
{
150 /* nfs41 sessions channel attributes */
151 struct nfs4_channel_attrs
{
155 u32 max_resp_sz_cached
;
160 /* nfs41 sessions slot seqid */
165 struct nfs4_sequence_args
{
166 struct nfs4_session
*sa_session
;
171 struct nfs4_sequence_res
{
172 struct nfs4_session
*sr_session
;
173 u8 sr_slotid
; /* slot used to send request */
174 int sr_status
; /* sequence operation status */
175 unsigned long sr_renewal_time
;
179 struct nfs4_get_lease_time_args
{
180 struct nfs4_sequence_args la_seq_args
;
183 struct nfs4_get_lease_time_res
{
184 struct nfs_fsinfo
*lr_fsinfo
;
185 struct nfs4_sequence_res lr_seq_res
;
189 * Arguments to the open call.
191 struct nfs_openargs
{
192 const struct nfs_fh
* fh
;
193 struct nfs_seqid
* seqid
;
200 struct iattr
* attrs
; /* UNCHECKED, GUARDED */
201 nfs4_verifier verifier
; /* EXCLUSIVE */
203 nfs4_stateid delegation
; /* CLAIM_DELEGATE_CUR */
204 fmode_t delegation_type
; /* CLAIM_PREVIOUS */
206 const struct qstr
* name
;
207 const struct nfs_server
*server
; /* Needed for ID mapping */
210 struct nfs4_sequence_args seq_args
;
214 nfs4_stateid stateid
;
216 struct nfs4_change_info cinfo
;
218 struct nfs_fattr
* f_attr
;
219 struct nfs_fattr
* dir_attr
;
220 struct nfs_seqid
* seqid
;
221 const struct nfs_server
*server
;
222 fmode_t delegation_type
;
223 nfs4_stateid delegation
;
226 __u32 attrset
[NFS4_BITMAP_SIZE
];
227 struct nfs4_sequence_res seq_res
;
231 * Arguments to the open_confirm call.
233 struct nfs_open_confirmargs
{
234 const struct nfs_fh
* fh
;
235 nfs4_stateid
* stateid
;
236 struct nfs_seqid
* seqid
;
239 struct nfs_open_confirmres
{
240 nfs4_stateid stateid
;
241 struct nfs_seqid
* seqid
;
245 * Arguments to the close call.
247 struct nfs_closeargs
{
249 nfs4_stateid
* stateid
;
250 struct nfs_seqid
* seqid
;
253 struct nfs4_sequence_args seq_args
;
256 struct nfs_closeres
{
257 nfs4_stateid stateid
;
258 struct nfs_fattr
* fattr
;
259 struct nfs_seqid
* seqid
;
260 const struct nfs_server
*server
;
261 struct nfs4_sequence_res seq_res
;
264 * * Arguments to the lock,lockt, and locku call.
271 struct nfs_lock_args
{
273 struct file_lock
* fl
;
274 struct nfs_seqid
* lock_seqid
;
275 nfs4_stateid
* lock_stateid
;
276 struct nfs_seqid
* open_seqid
;
277 nfs4_stateid
* open_stateid
;
278 struct nfs_lowner lock_owner
;
279 unsigned char block
: 1;
280 unsigned char reclaim
: 1;
281 unsigned char new_lock_owner
: 1;
282 struct nfs4_sequence_args seq_args
;
285 struct nfs_lock_res
{
286 nfs4_stateid stateid
;
287 struct nfs_seqid
* lock_seqid
;
288 struct nfs_seqid
* open_seqid
;
289 struct nfs4_sequence_res seq_res
;
292 struct nfs_locku_args
{
294 struct file_lock
* fl
;
295 struct nfs_seqid
* seqid
;
296 nfs4_stateid
* stateid
;
297 struct nfs4_sequence_args seq_args
;
300 struct nfs_locku_res
{
301 nfs4_stateid stateid
;
302 struct nfs_seqid
* seqid
;
303 struct nfs4_sequence_res seq_res
;
306 struct nfs_lockt_args
{
308 struct file_lock
* fl
;
309 struct nfs_lowner lock_owner
;
310 struct nfs4_sequence_args seq_args
;
313 struct nfs_lockt_res
{
314 struct file_lock
* denied
; /* LOCK, LOCKT failed */
315 struct nfs4_sequence_res seq_res
;
318 struct nfs4_delegreturnargs
{
319 const struct nfs_fh
*fhandle
;
320 const nfs4_stateid
*stateid
;
322 struct nfs4_sequence_args seq_args
;
325 struct nfs4_delegreturnres
{
326 struct nfs_fattr
* fattr
;
327 const struct nfs_server
*server
;
328 struct nfs4_sequence_res seq_res
;
332 * Arguments to the read call.
334 struct nfs_readargs
{
336 struct nfs_open_context
*context
;
340 struct page
** pages
;
341 struct nfs4_sequence_args seq_args
;
345 struct nfs_fattr
* fattr
;
348 struct nfs4_sequence_res seq_res
;
352 * Arguments to the write call.
354 struct nfs_writeargs
{
356 struct nfs_open_context
*context
;
359 enum nfs3_stable_how stable
;
361 struct page
** pages
;
363 struct nfs4_sequence_args seq_args
;
366 struct nfs_writeverf
{
367 enum nfs3_stable_how committed
;
371 struct nfs_writeres
{
372 struct nfs_fattr
* fattr
;
373 struct nfs_writeverf
* verf
;
375 const struct nfs_server
*server
;
376 struct nfs4_sequence_res seq_res
;
380 * Common arguments to the unlink call
382 struct nfs_removeargs
{
383 const struct nfs_fh
*fh
;
386 struct nfs4_sequence_args seq_args
;
389 struct nfs_removeres
{
390 const struct nfs_server
*server
;
391 struct nfs_fattr
*dir_attr
;
392 struct nfs4_change_info cinfo
;
393 struct nfs4_sequence_res seq_res
;
397 * Argument struct for decode_entry function
407 struct nfs_fattr
* fattr
;
411 * The following types are for NFSv2 only.
413 struct nfs_sattrargs
{
415 struct iattr
* sattr
;
418 struct nfs_diropargs
{
424 struct nfs_createargs
{
428 struct iattr
* sattr
;
431 struct nfs_renameargs
{
432 struct nfs_fh
* fromfh
;
433 const char * fromname
;
434 unsigned int fromlen
;
435 struct nfs_fh
* tofh
;
440 struct nfs_setattrargs
{
442 nfs4_stateid stateid
;
444 const struct nfs_server
* server
; /* Needed for name mapping */
446 struct nfs4_sequence_args seq_args
;
449 struct nfs_setaclargs
{
452 unsigned int acl_pgbase
;
453 struct page
** acl_pages
;
454 struct nfs4_sequence_args seq_args
;
457 struct nfs_setaclres
{
458 struct nfs4_sequence_res seq_res
;
461 struct nfs_getaclargs
{
464 unsigned int acl_pgbase
;
465 struct page
** acl_pages
;
466 struct nfs4_sequence_args seq_args
;
469 struct nfs_getaclres
{
471 struct nfs4_sequence_res seq_res
;
474 struct nfs_setattrres
{
475 struct nfs_fattr
* fattr
;
476 const struct nfs_server
* server
;
477 struct nfs4_sequence_res seq_res
;
480 struct nfs_linkargs
{
481 struct nfs_fh
* fromfh
;
482 struct nfs_fh
* tofh
;
487 struct nfs_symlinkargs
{
488 struct nfs_fh
* fromfh
;
489 const char * fromname
;
490 unsigned int fromlen
;
491 struct page
** pages
;
492 unsigned int pathlen
;
493 struct iattr
* sattr
;
496 struct nfs_readdirargs
{
500 struct page
** pages
;
503 struct nfs3_getaclargs
{
506 struct page
** pages
;
509 struct nfs3_setaclargs
{
510 struct inode
* inode
;
512 struct posix_acl
* acl_access
;
513 struct posix_acl
* acl_default
;
516 struct page
** pages
;
521 struct nfs_fattr
* fattr
;
524 struct nfs_readlinkargs
{
528 struct page
** pages
;
531 struct nfs3_sattrargs
{
533 struct iattr
* sattr
;
535 struct timespec guardtime
;
538 struct nfs3_diropargs
{
544 struct nfs3_accessargs
{
549 struct nfs3_createargs
{
553 struct iattr
* sattr
;
554 enum nfs3_createmode createmode
;
558 struct nfs3_mkdirargs
{
562 struct iattr
* sattr
;
565 struct nfs3_symlinkargs
{
566 struct nfs_fh
* fromfh
;
567 const char * fromname
;
568 unsigned int fromlen
;
569 struct page
** pages
;
570 unsigned int pathlen
;
571 struct iattr
* sattr
;
574 struct nfs3_mknodargs
{
578 enum nfs3_ftype type
;
579 struct iattr
* sattr
;
583 struct nfs3_renameargs
{
584 struct nfs_fh
* fromfh
;
585 const char * fromname
;
586 unsigned int fromlen
;
587 struct nfs_fh
* tofh
;
592 struct nfs3_linkargs
{
593 struct nfs_fh
* fromfh
;
594 struct nfs_fh
* tofh
;
599 struct nfs3_readdirargs
{
605 struct page
** pages
;
608 struct nfs3_diropres
{
609 struct nfs_fattr
* dir_attr
;
611 struct nfs_fattr
* fattr
;
614 struct nfs3_accessres
{
615 struct nfs_fattr
* fattr
;
619 struct nfs3_readlinkargs
{
623 struct page
** pages
;
626 struct nfs3_renameres
{
627 struct nfs_fattr
* fromattr
;
628 struct nfs_fattr
* toattr
;
631 struct nfs3_linkres
{
632 struct nfs_fattr
* dir_attr
;
633 struct nfs_fattr
* fattr
;
636 struct nfs3_readdirres
{
637 struct nfs_fattr
* dir_attr
;
642 struct nfs3_getaclres
{
643 struct nfs_fattr
* fattr
;
645 unsigned int acl_access_count
;
646 unsigned int acl_default_count
;
647 struct posix_acl
* acl_access
;
648 struct posix_acl
* acl_default
;
653 typedef u64 clientid4
;
655 struct nfs4_accessargs
{
656 const struct nfs_fh
* fh
;
659 struct nfs4_sequence_args seq_args
;
662 struct nfs4_accessres
{
663 const struct nfs_server
* server
;
664 struct nfs_fattr
* fattr
;
667 struct nfs4_sequence_res seq_res
;
670 struct nfs4_create_arg
{
674 struct page
** pages
;
676 } symlink
; /* NF4LNK */
680 } device
; /* NF4BLK, NF4CHR */
682 const struct qstr
* name
;
683 const struct nfs_server
* server
;
684 const struct iattr
* attrs
;
685 const struct nfs_fh
* dir_fh
;
687 struct nfs4_sequence_args seq_args
;
690 struct nfs4_create_res
{
691 const struct nfs_server
* server
;
693 struct nfs_fattr
* fattr
;
694 struct nfs4_change_info dir_cinfo
;
695 struct nfs_fattr
* dir_fattr
;
696 struct nfs4_sequence_res seq_res
;
699 struct nfs4_fsinfo_arg
{
700 const struct nfs_fh
* fh
;
702 struct nfs4_sequence_args seq_args
;
705 struct nfs4_fsinfo_res
{
706 struct nfs_fsinfo
*fsinfo
;
707 struct nfs4_sequence_res seq_res
;
710 struct nfs4_getattr_arg
{
711 const struct nfs_fh
* fh
;
713 struct nfs4_sequence_args seq_args
;
716 struct nfs4_getattr_res
{
717 const struct nfs_server
* server
;
718 struct nfs_fattr
* fattr
;
719 struct nfs4_sequence_res seq_res
;
722 struct nfs4_link_arg
{
723 const struct nfs_fh
* fh
;
724 const struct nfs_fh
* dir_fh
;
725 const struct qstr
* name
;
727 struct nfs4_sequence_args seq_args
;
730 struct nfs4_link_res
{
731 const struct nfs_server
* server
;
732 struct nfs_fattr
* fattr
;
733 struct nfs4_change_info cinfo
;
734 struct nfs_fattr
* dir_attr
;
735 struct nfs4_sequence_res seq_res
;
739 struct nfs4_lookup_arg
{
740 const struct nfs_fh
* dir_fh
;
741 const struct qstr
* name
;
743 struct nfs4_sequence_args seq_args
;
746 struct nfs4_lookup_res
{
747 const struct nfs_server
* server
;
748 struct nfs_fattr
* fattr
;
750 struct nfs4_sequence_res seq_res
;
753 struct nfs4_lookup_root_arg
{
755 struct nfs4_sequence_args seq_args
;
758 struct nfs4_pathconf_arg
{
759 const struct nfs_fh
* fh
;
761 struct nfs4_sequence_args seq_args
;
764 struct nfs4_pathconf_res
{
765 struct nfs_pathconf
*pathconf
;
766 struct nfs4_sequence_res seq_res
;
769 struct nfs4_readdir_arg
{
770 const struct nfs_fh
* fh
;
772 nfs4_verifier verifier
;
774 struct page
** pages
; /* zero-copy data */
775 unsigned int pgbase
; /* zero-copy data */
777 struct nfs4_sequence_args seq_args
;
780 struct nfs4_readdir_res
{
781 nfs4_verifier verifier
;
783 struct nfs4_sequence_res seq_res
;
786 struct nfs4_readlink
{
787 const struct nfs_fh
* fh
;
789 unsigned int pglen
; /* zero-copy data */
790 struct page
** pages
; /* zero-copy data */
791 struct nfs4_sequence_args seq_args
;
794 struct nfs4_readlink_res
{
795 struct nfs4_sequence_res seq_res
;
798 struct nfs4_rename_arg
{
799 const struct nfs_fh
* old_dir
;
800 const struct nfs_fh
* new_dir
;
801 const struct qstr
* old_name
;
802 const struct qstr
* new_name
;
804 struct nfs4_sequence_args seq_args
;
807 struct nfs4_rename_res
{
808 const struct nfs_server
* server
;
809 struct nfs4_change_info old_cinfo
;
810 struct nfs_fattr
* old_fattr
;
811 struct nfs4_change_info new_cinfo
;
812 struct nfs_fattr
* new_fattr
;
813 struct nfs4_sequence_res seq_res
;
816 #define NFS4_SETCLIENTID_NAMELEN (127)
817 struct nfs4_setclientid
{
818 const nfs4_verifier
* sc_verifier
;
819 unsigned int sc_name_len
;
820 char sc_name
[NFS4_SETCLIENTID_NAMELEN
+ 1];
822 unsigned int sc_netid_len
;
823 char sc_netid
[RPCBIND_MAXNETIDLEN
+ 1];
824 unsigned int sc_uaddr_len
;
825 char sc_uaddr
[RPCBIND_MAXUADDRLEN
+ 1];
829 struct nfs4_setclientid_res
{
831 nfs4_verifier confirm
;
834 struct nfs4_statfs_arg
{
835 const struct nfs_fh
* fh
;
837 struct nfs4_sequence_args seq_args
;
840 struct nfs4_statfs_res
{
841 struct nfs_fsstat
*fsstat
;
842 struct nfs4_sequence_res seq_res
;
845 struct nfs4_server_caps_arg
{
846 struct nfs_fh
*fhandle
;
847 struct nfs4_sequence_args seq_args
;
850 struct nfs4_server_caps_res
{
855 struct nfs4_sequence_res seq_res
;
863 #define NFS4_PATHNAME_MAXCOMPONENTS 512
864 struct nfs4_pathname
{
865 unsigned int ncomponents
;
866 struct nfs4_string components
[NFS4_PATHNAME_MAXCOMPONENTS
];
869 #define NFS4_FS_LOCATION_MAXSERVERS 10
870 struct nfs4_fs_location
{
871 unsigned int nservers
;
872 struct nfs4_string servers
[NFS4_FS_LOCATION_MAXSERVERS
];
873 struct nfs4_pathname rootpath
;
876 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
877 struct nfs4_fs_locations
{
878 struct nfs_fattr fattr
;
879 const struct nfs_server
*server
;
880 struct nfs4_pathname fs_path
;
882 struct nfs4_fs_location locations
[NFS4_FS_LOCATIONS_MAXENTRIES
];
885 struct nfs4_fs_locations_arg
{
886 const struct nfs_fh
*dir_fh
;
887 const struct qstr
*name
;
890 struct nfs4_sequence_args seq_args
;
893 struct nfs4_fs_locations_res
{
894 struct nfs4_fs_locations
*fs_locations
;
895 struct nfs4_sequence_res seq_res
;
898 #endif /* CONFIG_NFS_V4 */
905 #ifdef CONFIG_NFS_V4_1
906 struct nfs_impl_id4
{
911 struct nfstime4 date
;
914 #define NFS4_EXCHANGE_ID_LEN (48)
915 struct nfs41_exchange_id_args
{
916 struct nfs_client
*client
;
917 nfs4_verifier
*verifier
;
919 char id
[NFS4_EXCHANGE_ID_LEN
];
923 struct server_owner
{
925 uint32_t major_id_sz
;
926 char major_id
[NFS4_OPAQUE_LIMIT
];
929 struct server_scope
{
930 uint32_t server_scope_sz
;
931 char server_scope
[NFS4_OPAQUE_LIMIT
];
934 struct nfs41_exchange_id_res
{
935 struct nfs_client
*client
;
939 struct nfs41_create_session_args
{
940 struct nfs_client
*client
;
943 struct nfs4_channel_attrs fc_attrs
; /* Fore Channel */
944 struct nfs4_channel_attrs bc_attrs
; /* Back Channel */
947 struct nfs41_create_session_res
{
948 struct nfs_client
*client
;
951 struct nfs41_reclaim_complete_args
{
952 /* In the future extend to include curr_fh for use with migration */
953 unsigned char one_fs
:1;
954 struct nfs4_sequence_args seq_args
;
957 struct nfs41_reclaim_complete_res
{
958 struct nfs4_sequence_res seq_res
;
960 #endif /* CONFIG_NFS_V4_1 */
964 #define NFS_PAGEVEC_SIZE (8U)
966 struct nfs_read_data
{
968 struct rpc_task task
;
970 struct rpc_cred
*cred
;
971 struct nfs_fattr fattr
; /* fattr storage */
972 struct list_head pages
; /* Coalesced read requests */
973 struct nfs_page
*req
; /* multi ops per nfs_page */
974 struct page
**pagevec
;
975 unsigned int npages
; /* Max length of pagevec */
976 struct nfs_readargs args
;
977 struct nfs_readres res
;
979 unsigned long timestamp
; /* For lease renewal */
981 struct page
*page_array
[NFS_PAGEVEC_SIZE
];
984 struct nfs_write_data
{
986 struct rpc_task task
;
988 struct rpc_cred
*cred
;
989 struct nfs_fattr fattr
;
990 struct nfs_writeverf verf
;
991 struct list_head pages
; /* Coalesced requests we wish to flush */
992 struct nfs_page
*req
; /* multi ops per nfs_page */
993 struct page
**pagevec
;
994 unsigned int npages
; /* Max length of pagevec */
995 struct nfs_writeargs args
; /* argument struct */
996 struct nfs_writeres res
; /* result struct */
998 unsigned long timestamp
; /* For lease renewal */
1000 struct page
*page_array
[NFS_PAGEVEC_SIZE
];
1003 struct nfs_access_entry
;
1006 * RPC procedure vector for NFSv2/NFSv3 demuxing
1008 struct nfs_rpc_ops
{
1009 u32 version
; /* Protocol version */
1010 const struct dentry_operations
*dentry_ops
;
1011 const struct inode_operations
*dir_inode_ops
;
1012 const struct inode_operations
*file_inode_ops
;
1014 int (*getroot
) (struct nfs_server
*, struct nfs_fh
*,
1015 struct nfs_fsinfo
*);
1016 int (*lookupfh
)(struct nfs_server
*, struct nfs_fh
*,
1017 struct qstr
*, struct nfs_fh
*,
1018 struct nfs_fattr
*);
1019 int (*getattr
) (struct nfs_server
*, struct nfs_fh
*,
1020 struct nfs_fattr
*);
1021 int (*setattr
) (struct dentry
*, struct nfs_fattr
*,
1023 int (*lookup
) (struct inode
*, struct qstr
*,
1024 struct nfs_fh
*, struct nfs_fattr
*);
1025 int (*access
) (struct inode
*, struct nfs_access_entry
*);
1026 int (*readlink
)(struct inode
*, struct page
*, unsigned int,
1028 int (*create
) (struct inode
*, struct dentry
*,
1029 struct iattr
*, int, struct nameidata
*);
1030 int (*remove
) (struct inode
*, struct qstr
*);
1031 void (*unlink_setup
) (struct rpc_message
*, struct inode
*dir
);
1032 int (*unlink_done
) (struct rpc_task
*, struct inode
*);
1033 int (*rename
) (struct inode
*, struct qstr
*,
1034 struct inode
*, struct qstr
*);
1035 int (*link
) (struct inode
*, struct inode
*, struct qstr
*);
1036 int (*symlink
) (struct inode
*, struct dentry
*, struct page
*,
1037 unsigned int, struct iattr
*);
1038 int (*mkdir
) (struct inode
*, struct dentry
*, struct iattr
*);
1039 int (*rmdir
) (struct inode
*, struct qstr
*);
1040 int (*readdir
) (struct dentry
*, struct rpc_cred
*,
1041 u64
, struct page
*, unsigned int, int);
1042 int (*mknod
) (struct inode
*, struct dentry
*, struct iattr
*,
1044 int (*statfs
) (struct nfs_server
*, struct nfs_fh
*,
1045 struct nfs_fsstat
*);
1046 int (*fsinfo
) (struct nfs_server
*, struct nfs_fh
*,
1047 struct nfs_fsinfo
*);
1048 int (*pathconf
) (struct nfs_server
*, struct nfs_fh
*,
1049 struct nfs_pathconf
*);
1050 int (*set_capabilities
)(struct nfs_server
*, struct nfs_fh
*);
1051 __be32
*(*decode_dirent
)(__be32
*, struct nfs_entry
*, int plus
);
1052 void (*read_setup
) (struct nfs_read_data
*, struct rpc_message
*);
1053 int (*read_done
) (struct rpc_task
*, struct nfs_read_data
*);
1054 void (*write_setup
) (struct nfs_write_data
*, struct rpc_message
*);
1055 int (*write_done
) (struct rpc_task
*, struct nfs_write_data
*);
1056 void (*commit_setup
) (struct nfs_write_data
*, struct rpc_message
*);
1057 int (*commit_done
) (struct rpc_task
*, struct nfs_write_data
*);
1058 int (*lock
)(struct file
*, int, struct file_lock
*);
1059 int (*lock_check_bounds
)(const struct file_lock
*);
1060 void (*clear_acl_cache
)(struct inode
*);
1061 void (*close_context
)(struct nfs_open_context
*ctx
, int);
1065 * NFS_CALL(getattr, inode, (fattr));
1067 * NFS_PROTO(inode)->getattr(fattr);
1069 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1072 * Function vectors etc. for the NFS client
1074 extern const struct nfs_rpc_ops nfs_v2_clientops
;
1075 extern const struct nfs_rpc_ops nfs_v3_clientops
;
1076 extern const struct nfs_rpc_ops nfs_v4_clientops
;
1077 extern struct rpc_version nfs_version2
;
1078 extern struct rpc_version nfs_version3
;
1079 extern struct rpc_version nfs_version4
;
1081 extern struct rpc_version nfsacl_version3
;
1082 extern struct rpc_program nfsacl_program
;