1 #ifndef _LINUX_NFS_XDR_H
2 #define _LINUX_NFS_XDR_H
4 #include <linux/nfsacl.h>
7 * To change the maximum rsize and wsize supported by the NFS client, adjust
8 * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
9 * support a megabyte or more. The default is left at 4096 bytes, which is
10 * reasonable for NFS over UDP.
12 #define NFS_MAX_FILE_IO_SIZE (1048576U)
13 #define NFS_DEF_FILE_IO_SIZE (4096U)
14 #define NFS_MIN_FILE_IO_SIZE (1024U)
22 * Helper for checking equality between 2 fsids.
24 static inline int nfs_fsid_equal(const struct nfs_fsid
*a
, const struct nfs_fsid
*b
)
26 return a
->major
== b
->major
&& a
->minor
== b
->minor
;
30 unsigned int valid
; /* which fields are valid */
48 struct timespec atime
;
49 struct timespec mtime
;
50 struct timespec ctime
;
51 __u64 change_attr
; /* NFSv4 change attribute */
52 __u64 pre_change_attr
;/* pre-op NFSv4 change attribute */
53 __u64 pre_size
; /* pre_op_attr.size */
54 struct timespec pre_mtime
; /* pre_op_attr.mtime */
55 struct timespec pre_ctime
; /* pre_op_attr.ctime */
56 unsigned long time_start
;
57 unsigned long gencount
;
60 #define NFS_ATTR_FATTR_TYPE (1U << 0)
61 #define NFS_ATTR_FATTR_MODE (1U << 1)
62 #define NFS_ATTR_FATTR_NLINK (1U << 2)
63 #define NFS_ATTR_FATTR_OWNER (1U << 3)
64 #define NFS_ATTR_FATTR_GROUP (1U << 4)
65 #define NFS_ATTR_FATTR_RDEV (1U << 5)
66 #define NFS_ATTR_FATTR_SIZE (1U << 6)
67 #define NFS_ATTR_FATTR_PRESIZE (1U << 7)
68 #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
69 #define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
70 #define NFS_ATTR_FATTR_FSID (1U << 10)
71 #define NFS_ATTR_FATTR_FILEID (1U << 11)
72 #define NFS_ATTR_FATTR_ATIME (1U << 12)
73 #define NFS_ATTR_FATTR_MTIME (1U << 13)
74 #define NFS_ATTR_FATTR_CTIME (1U << 14)
75 #define NFS_ATTR_FATTR_PREMTIME (1U << 15)
76 #define NFS_ATTR_FATTR_PRECTIME (1U << 16)
77 #define NFS_ATTR_FATTR_CHANGE (1U << 17)
78 #define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
79 #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */
81 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
82 | NFS_ATTR_FATTR_MODE \
83 | NFS_ATTR_FATTR_NLINK \
84 | NFS_ATTR_FATTR_OWNER \
85 | NFS_ATTR_FATTR_GROUP \
86 | NFS_ATTR_FATTR_RDEV \
87 | NFS_ATTR_FATTR_SIZE \
88 | NFS_ATTR_FATTR_FSID \
89 | NFS_ATTR_FATTR_FILEID \
90 | NFS_ATTR_FATTR_ATIME \
91 | NFS_ATTR_FATTR_MTIME \
92 | NFS_ATTR_FATTR_CTIME)
93 #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
94 | NFS_ATTR_FATTR_BLOCKS_USED)
95 #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
96 | NFS_ATTR_FATTR_SPACE_USED)
97 #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
98 | NFS_ATTR_FATTR_SPACE_USED \
99 | NFS_ATTR_FATTR_CHANGE)
102 * Info on the file system
105 struct nfs_fattr
*fattr
; /* Post-op attributes */
106 __u32 rtmax
; /* max. read transfer size */
107 __u32 rtpref
; /* pref. read transfer size */
108 __u32 rtmult
; /* reads should be multiple of this */
109 __u32 wtmax
; /* max. write transfer size */
110 __u32 wtpref
; /* pref. write transfer size */
111 __u32 wtmult
; /* writes should be multiple of this */
112 __u32 dtpref
; /* pref. readdir transfer size */
114 __u32 lease_time
; /* in seconds */
118 struct nfs_fattr
*fattr
; /* Post-op attributes */
119 __u64 tbytes
; /* total size in bytes */
120 __u64 fbytes
; /* # of free bytes */
121 __u64 abytes
; /* # of bytes available to user */
122 __u64 tfiles
; /* # of files */
123 __u64 ffiles
; /* # of free files */
124 __u64 afiles
; /* # of files available to user */
128 __u32 tsize
; /* Server transfer size */
129 __u32 bsize
; /* Filesystem block size */
130 __u32 blocks
; /* No. of "bsize" blocks on filesystem */
131 __u32 bfree
; /* No. of free "bsize" blocks */
132 __u32 bavail
; /* No. of available "bsize" blocks */
135 struct nfs_pathconf
{
136 struct nfs_fattr
*fattr
; /* Post-op attributes */
137 __u32 max_link
; /* max # of hard links */
138 __u32 max_namelen
; /* max name length */
141 struct nfs4_change_info
{
149 /* nfs41 sessions channel attributes */
150 struct nfs4_channel_attrs
{
154 u32 max_resp_sz_cached
;
159 /* nfs41 sessions slot seqid */
164 struct nfs4_sequence_args
{
165 struct nfs4_session
*sa_session
;
170 struct nfs4_sequence_res
{
171 struct nfs4_session
*sr_session
;
172 u8 sr_slotid
; /* slot used to send request */
173 int sr_status
; /* sequence operation status */
174 unsigned long sr_renewal_time
;
178 struct nfs4_get_lease_time_args
{
179 struct nfs4_sequence_args la_seq_args
;
182 struct nfs4_get_lease_time_res
{
183 struct nfs_fsinfo
*lr_fsinfo
;
184 struct nfs4_sequence_res lr_seq_res
;
188 * Arguments to the open call.
190 struct nfs_openargs
{
191 const struct nfs_fh
* fh
;
192 struct nfs_seqid
* seqid
;
198 struct iattr
* attrs
; /* UNCHECKED, GUARDED */
199 nfs4_verifier verifier
; /* EXCLUSIVE */
200 nfs4_stateid delegation
; /* CLAIM_DELEGATE_CUR */
201 fmode_t delegation_type
; /* CLAIM_PREVIOUS */
203 const struct qstr
* name
;
204 const struct nfs_server
*server
; /* Needed for ID mapping */
207 struct nfs4_sequence_args seq_args
;
211 nfs4_stateid stateid
;
213 struct nfs4_change_info cinfo
;
215 struct nfs_fattr
* f_attr
;
216 struct nfs_fattr
* dir_attr
;
217 struct nfs_seqid
* seqid
;
218 const struct nfs_server
*server
;
219 fmode_t delegation_type
;
220 nfs4_stateid delegation
;
223 __u32 attrset
[NFS4_BITMAP_SIZE
];
224 struct nfs4_sequence_res seq_res
;
228 * Arguments to the open_confirm call.
230 struct nfs_open_confirmargs
{
231 const struct nfs_fh
* fh
;
232 nfs4_stateid
* stateid
;
233 struct nfs_seqid
* seqid
;
236 struct nfs_open_confirmres
{
237 nfs4_stateid stateid
;
238 struct nfs_seqid
* seqid
;
242 * Arguments to the close call.
244 struct nfs_closeargs
{
246 nfs4_stateid
* stateid
;
247 struct nfs_seqid
* seqid
;
250 struct nfs4_sequence_args seq_args
;
253 struct nfs_closeres
{
254 nfs4_stateid stateid
;
255 struct nfs_fattr
* fattr
;
256 struct nfs_seqid
* seqid
;
257 const struct nfs_server
*server
;
258 struct nfs4_sequence_res seq_res
;
261 * * Arguments to the lock,lockt, and locku call.
268 struct nfs_lock_args
{
270 struct file_lock
* fl
;
271 struct nfs_seqid
* lock_seqid
;
272 nfs4_stateid
* lock_stateid
;
273 struct nfs_seqid
* open_seqid
;
274 nfs4_stateid
* open_stateid
;
275 struct nfs_lowner lock_owner
;
276 unsigned char block
: 1;
277 unsigned char reclaim
: 1;
278 unsigned char new_lock_owner
: 1;
279 struct nfs4_sequence_args seq_args
;
282 struct nfs_lock_res
{
283 nfs4_stateid stateid
;
284 struct nfs_seqid
* lock_seqid
;
285 struct nfs_seqid
* open_seqid
;
286 struct nfs4_sequence_res seq_res
;
289 struct nfs_locku_args
{
291 struct file_lock
* fl
;
292 struct nfs_seqid
* seqid
;
293 nfs4_stateid
* stateid
;
294 struct nfs4_sequence_args seq_args
;
297 struct nfs_locku_res
{
298 nfs4_stateid stateid
;
299 struct nfs_seqid
* seqid
;
300 struct nfs4_sequence_res seq_res
;
303 struct nfs_lockt_args
{
305 struct file_lock
* fl
;
306 struct nfs_lowner lock_owner
;
307 struct nfs4_sequence_args seq_args
;
310 struct nfs_lockt_res
{
311 struct file_lock
* denied
; /* LOCK, LOCKT failed */
312 struct nfs4_sequence_res seq_res
;
315 struct nfs4_delegreturnargs
{
316 const struct nfs_fh
*fhandle
;
317 const nfs4_stateid
*stateid
;
319 struct nfs4_sequence_args seq_args
;
322 struct nfs4_delegreturnres
{
323 struct nfs_fattr
* fattr
;
324 const struct nfs_server
*server
;
325 struct nfs4_sequence_res seq_res
;
329 * Arguments to the read call.
331 struct nfs_readargs
{
333 struct nfs_open_context
*context
;
337 struct page
** pages
;
338 struct nfs4_sequence_args seq_args
;
342 struct nfs_fattr
* fattr
;
345 struct nfs4_sequence_res seq_res
;
349 * Arguments to the write call.
351 struct nfs_writeargs
{
353 struct nfs_open_context
*context
;
356 enum nfs3_stable_how stable
;
358 struct page
** pages
;
360 struct nfs4_sequence_args seq_args
;
363 struct nfs_writeverf
{
364 enum nfs3_stable_how committed
;
368 struct nfs_writeres
{
369 struct nfs_fattr
* fattr
;
370 struct nfs_writeverf
* verf
;
372 const struct nfs_server
*server
;
373 struct nfs4_sequence_res seq_res
;
377 * Common arguments to the unlink call
379 struct nfs_removeargs
{
380 const struct nfs_fh
*fh
;
383 struct nfs4_sequence_args seq_args
;
386 struct nfs_removeres
{
387 const struct nfs_server
*server
;
388 struct nfs4_change_info cinfo
;
389 struct nfs_fattr dir_attr
;
390 struct nfs4_sequence_res seq_res
;
394 * Argument struct for decode_entry function
404 struct nfs_fattr
* fattr
;
408 * The following types are for NFSv2 only.
410 struct nfs_sattrargs
{
412 struct iattr
* sattr
;
415 struct nfs_diropargs
{
421 struct nfs_createargs
{
425 struct iattr
* sattr
;
428 struct nfs_renameargs
{
429 struct nfs_fh
* fromfh
;
430 const char * fromname
;
431 unsigned int fromlen
;
432 struct nfs_fh
* tofh
;
437 struct nfs_setattrargs
{
439 nfs4_stateid stateid
;
441 const struct nfs_server
* server
; /* Needed for name mapping */
443 struct nfs4_sequence_args seq_args
;
446 struct nfs_setaclargs
{
449 unsigned int acl_pgbase
;
450 struct page
** acl_pages
;
451 struct nfs4_sequence_args seq_args
;
454 struct nfs_setaclres
{
455 struct nfs4_sequence_res seq_res
;
458 struct nfs_getaclargs
{
461 unsigned int acl_pgbase
;
462 struct page
** acl_pages
;
463 struct nfs4_sequence_args seq_args
;
466 struct nfs_getaclres
{
468 struct nfs4_sequence_res seq_res
;
471 struct nfs_setattrres
{
472 struct nfs_fattr
* fattr
;
473 const struct nfs_server
* server
;
474 struct nfs4_sequence_res seq_res
;
477 struct nfs_linkargs
{
478 struct nfs_fh
* fromfh
;
479 struct nfs_fh
* tofh
;
484 struct nfs_symlinkargs
{
485 struct nfs_fh
* fromfh
;
486 const char * fromname
;
487 unsigned int fromlen
;
488 struct page
** pages
;
489 unsigned int pathlen
;
490 struct iattr
* sattr
;
493 struct nfs_readdirargs
{
497 struct page
** pages
;
500 struct nfs3_getaclargs
{
503 struct page
** pages
;
506 struct nfs3_setaclargs
{
507 struct inode
* inode
;
509 struct posix_acl
* acl_access
;
510 struct posix_acl
* acl_default
;
513 struct page
** pages
;
518 struct nfs_fattr
* fattr
;
521 struct nfs_readlinkargs
{
525 struct page
** pages
;
528 struct nfs3_sattrargs
{
530 struct iattr
* sattr
;
532 struct timespec guardtime
;
535 struct nfs3_diropargs
{
541 struct nfs3_accessargs
{
546 struct nfs3_createargs
{
550 struct iattr
* sattr
;
551 enum nfs3_createmode createmode
;
555 struct nfs3_mkdirargs
{
559 struct iattr
* sattr
;
562 struct nfs3_symlinkargs
{
563 struct nfs_fh
* fromfh
;
564 const char * fromname
;
565 unsigned int fromlen
;
566 struct page
** pages
;
567 unsigned int pathlen
;
568 struct iattr
* sattr
;
571 struct nfs3_mknodargs
{
575 enum nfs3_ftype type
;
576 struct iattr
* sattr
;
580 struct nfs3_renameargs
{
581 struct nfs_fh
* fromfh
;
582 const char * fromname
;
583 unsigned int fromlen
;
584 struct nfs_fh
* tofh
;
589 struct nfs3_linkargs
{
590 struct nfs_fh
* fromfh
;
591 struct nfs_fh
* tofh
;
596 struct nfs3_readdirargs
{
602 struct page
** pages
;
605 struct nfs3_diropres
{
606 struct nfs_fattr
* dir_attr
;
608 struct nfs_fattr
* fattr
;
611 struct nfs3_accessres
{
612 struct nfs_fattr
* fattr
;
616 struct nfs3_readlinkargs
{
620 struct page
** pages
;
623 struct nfs3_renameres
{
624 struct nfs_fattr
* fromattr
;
625 struct nfs_fattr
* toattr
;
628 struct nfs3_linkres
{
629 struct nfs_fattr
* dir_attr
;
630 struct nfs_fattr
* fattr
;
633 struct nfs3_readdirres
{
634 struct nfs_fattr
* dir_attr
;
639 struct nfs3_getaclres
{
640 struct nfs_fattr
* fattr
;
642 unsigned int acl_access_count
;
643 unsigned int acl_default_count
;
644 struct posix_acl
* acl_access
;
645 struct posix_acl
* acl_default
;
650 typedef u64 clientid4
;
652 struct nfs4_accessargs
{
653 const struct nfs_fh
* fh
;
656 struct nfs4_sequence_args seq_args
;
659 struct nfs4_accessres
{
660 const struct nfs_server
* server
;
661 struct nfs_fattr
* fattr
;
664 struct nfs4_sequence_res seq_res
;
667 struct nfs4_create_arg
{
671 struct page
** pages
;
673 } symlink
; /* NF4LNK */
677 } device
; /* NF4BLK, NF4CHR */
679 const struct qstr
* name
;
680 const struct nfs_server
* server
;
681 const struct iattr
* attrs
;
682 const struct nfs_fh
* dir_fh
;
684 struct nfs4_sequence_args seq_args
;
687 struct nfs4_create_res
{
688 const struct nfs_server
* server
;
690 struct nfs_fattr
* fattr
;
691 struct nfs4_change_info dir_cinfo
;
692 struct nfs_fattr
* dir_fattr
;
693 struct nfs4_sequence_res seq_res
;
696 struct nfs4_fsinfo_arg
{
697 const struct nfs_fh
* fh
;
699 struct nfs4_sequence_args seq_args
;
702 struct nfs4_fsinfo_res
{
703 struct nfs_fsinfo
*fsinfo
;
704 struct nfs4_sequence_res seq_res
;
707 struct nfs4_getattr_arg
{
708 const struct nfs_fh
* fh
;
710 struct nfs4_sequence_args seq_args
;
713 struct nfs4_getattr_res
{
714 const struct nfs_server
* server
;
715 struct nfs_fattr
* fattr
;
716 struct nfs4_sequence_res seq_res
;
719 struct nfs4_link_arg
{
720 const struct nfs_fh
* fh
;
721 const struct nfs_fh
* dir_fh
;
722 const struct qstr
* name
;
724 struct nfs4_sequence_args seq_args
;
727 struct nfs4_link_res
{
728 const struct nfs_server
* server
;
729 struct nfs_fattr
* fattr
;
730 struct nfs4_change_info cinfo
;
731 struct nfs_fattr
* dir_attr
;
732 struct nfs4_sequence_res seq_res
;
736 struct nfs4_lookup_arg
{
737 const struct nfs_fh
* dir_fh
;
738 const struct qstr
* name
;
740 struct nfs4_sequence_args seq_args
;
743 struct nfs4_lookup_res
{
744 const struct nfs_server
* server
;
745 struct nfs_fattr
* fattr
;
747 struct nfs4_sequence_res seq_res
;
750 struct nfs4_lookup_root_arg
{
752 struct nfs4_sequence_args seq_args
;
755 struct nfs4_pathconf_arg
{
756 const struct nfs_fh
* fh
;
758 struct nfs4_sequence_args seq_args
;
761 struct nfs4_pathconf_res
{
762 struct nfs_pathconf
*pathconf
;
763 struct nfs4_sequence_res seq_res
;
766 struct nfs4_readdir_arg
{
767 const struct nfs_fh
* fh
;
769 nfs4_verifier verifier
;
771 struct page
** pages
; /* zero-copy data */
772 unsigned int pgbase
; /* zero-copy data */
774 struct nfs4_sequence_args seq_args
;
777 struct nfs4_readdir_res
{
778 nfs4_verifier verifier
;
780 struct nfs4_sequence_res seq_res
;
783 struct nfs4_readlink
{
784 const struct nfs_fh
* fh
;
786 unsigned int pglen
; /* zero-copy data */
787 struct page
** pages
; /* zero-copy data */
788 struct nfs4_sequence_args seq_args
;
791 struct nfs4_readlink_res
{
792 struct nfs4_sequence_res seq_res
;
795 struct nfs4_rename_arg
{
796 const struct nfs_fh
* old_dir
;
797 const struct nfs_fh
* new_dir
;
798 const struct qstr
* old_name
;
799 const struct qstr
* new_name
;
801 struct nfs4_sequence_args seq_args
;
804 struct nfs4_rename_res
{
805 const struct nfs_server
* server
;
806 struct nfs4_change_info old_cinfo
;
807 struct nfs_fattr
* old_fattr
;
808 struct nfs4_change_info new_cinfo
;
809 struct nfs_fattr
* new_fattr
;
810 struct nfs4_sequence_res seq_res
;
813 #define NFS4_SETCLIENTID_NAMELEN (127)
814 struct nfs4_setclientid
{
815 const nfs4_verifier
* sc_verifier
;
816 unsigned int sc_name_len
;
817 char sc_name
[NFS4_SETCLIENTID_NAMELEN
+ 1];
819 unsigned int sc_netid_len
;
820 char sc_netid
[RPCBIND_MAXNETIDLEN
+ 1];
821 unsigned int sc_uaddr_len
;
822 char sc_uaddr
[RPCBIND_MAXUADDRLEN
+ 1];
826 struct nfs4_statfs_arg
{
827 const struct nfs_fh
* fh
;
829 struct nfs4_sequence_args seq_args
;
832 struct nfs4_statfs_res
{
833 struct nfs_fsstat
*fsstat
;
834 struct nfs4_sequence_res seq_res
;
837 struct nfs4_server_caps_arg
{
838 struct nfs_fh
*fhandle
;
839 struct nfs4_sequence_args seq_args
;
842 struct nfs4_server_caps_res
{
847 struct nfs4_sequence_res seq_res
;
855 #define NFS4_PATHNAME_MAXCOMPONENTS 512
856 struct nfs4_pathname
{
857 unsigned int ncomponents
;
858 struct nfs4_string components
[NFS4_PATHNAME_MAXCOMPONENTS
];
861 #define NFS4_FS_LOCATION_MAXSERVERS 10
862 struct nfs4_fs_location
{
863 unsigned int nservers
;
864 struct nfs4_string servers
[NFS4_FS_LOCATION_MAXSERVERS
];
865 struct nfs4_pathname rootpath
;
868 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
869 struct nfs4_fs_locations
{
870 struct nfs_fattr fattr
;
871 const struct nfs_server
*server
;
872 struct nfs4_pathname fs_path
;
874 struct nfs4_fs_location locations
[NFS4_FS_LOCATIONS_MAXENTRIES
];
877 struct nfs4_fs_locations_arg
{
878 const struct nfs_fh
*dir_fh
;
879 const struct qstr
*name
;
882 struct nfs4_sequence_args seq_args
;
885 struct nfs4_fs_locations_res
{
886 struct nfs4_fs_locations
*fs_locations
;
887 struct nfs4_sequence_res seq_res
;
890 #endif /* CONFIG_NFS_V4 */
897 #ifdef CONFIG_NFS_V4_1
898 struct nfs_impl_id4
{
903 struct nfstime4 date
;
906 #define NFS4_EXCHANGE_ID_LEN (48)
907 struct nfs41_exchange_id_args
{
908 struct nfs_client
*client
;
909 nfs4_verifier
*verifier
;
911 char id
[NFS4_EXCHANGE_ID_LEN
];
915 struct server_owner
{
917 uint32_t major_id_sz
;
918 char major_id
[NFS4_OPAQUE_LIMIT
];
921 struct server_scope
{
922 uint32_t server_scope_sz
;
923 char server_scope
[NFS4_OPAQUE_LIMIT
];
926 struct nfs41_exchange_id_res
{
927 struct nfs_client
*client
;
931 struct nfs41_create_session_args
{
932 struct nfs_client
*client
;
935 struct nfs4_channel_attrs fc_attrs
; /* Fore Channel */
936 struct nfs4_channel_attrs bc_attrs
; /* Back Channel */
939 struct nfs41_create_session_res
{
940 struct nfs_client
*client
;
943 struct nfs41_reclaim_complete_args
{
944 /* In the future extend to include curr_fh for use with migration */
945 unsigned char one_fs
:1;
946 struct nfs4_sequence_args seq_args
;
949 struct nfs41_reclaim_complete_res
{
950 struct nfs4_sequence_res seq_res
;
952 #endif /* CONFIG_NFS_V4_1 */
956 #define NFS_PAGEVEC_SIZE (8U)
958 struct nfs_read_data
{
960 struct rpc_task task
;
962 struct rpc_cred
*cred
;
963 struct nfs_fattr fattr
; /* fattr storage */
964 struct list_head pages
; /* Coalesced read requests */
965 struct nfs_page
*req
; /* multi ops per nfs_page */
966 struct page
**pagevec
;
967 unsigned int npages
; /* Max length of pagevec */
968 struct nfs_readargs args
;
969 struct nfs_readres res
;
971 unsigned long timestamp
; /* For lease renewal */
973 struct page
*page_array
[NFS_PAGEVEC_SIZE
];
976 struct nfs_write_data
{
978 struct rpc_task task
;
980 struct rpc_cred
*cred
;
981 struct nfs_fattr fattr
;
982 struct nfs_writeverf verf
;
983 struct list_head pages
; /* Coalesced requests we wish to flush */
984 struct nfs_page
*req
; /* multi ops per nfs_page */
985 struct page
**pagevec
;
986 unsigned int npages
; /* Max length of pagevec */
987 struct nfs_writeargs args
; /* argument struct */
988 struct nfs_writeres res
; /* result struct */
990 unsigned long timestamp
; /* For lease renewal */
992 struct page
*page_array
[NFS_PAGEVEC_SIZE
];
995 struct nfs_access_entry
;
998 * RPC procedure vector for NFSv2/NFSv3 demuxing
1000 struct nfs_rpc_ops
{
1001 u32 version
; /* Protocol version */
1002 const struct dentry_operations
*dentry_ops
;
1003 const struct inode_operations
*dir_inode_ops
;
1004 const struct inode_operations
*file_inode_ops
;
1006 int (*getroot
) (struct nfs_server
*, struct nfs_fh
*,
1007 struct nfs_fsinfo
*);
1008 int (*lookupfh
)(struct nfs_server
*, struct nfs_fh
*,
1009 struct qstr
*, struct nfs_fh
*,
1010 struct nfs_fattr
*);
1011 int (*getattr
) (struct nfs_server
*, struct nfs_fh
*,
1012 struct nfs_fattr
*);
1013 int (*setattr
) (struct dentry
*, struct nfs_fattr
*,
1015 int (*lookup
) (struct inode
*, struct qstr
*,
1016 struct nfs_fh
*, struct nfs_fattr
*);
1017 int (*access
) (struct inode
*, struct nfs_access_entry
*);
1018 int (*readlink
)(struct inode
*, struct page
*, unsigned int,
1020 int (*create
) (struct inode
*, struct dentry
*,
1021 struct iattr
*, int, struct nameidata
*);
1022 int (*remove
) (struct inode
*, struct qstr
*);
1023 void (*unlink_setup
) (struct rpc_message
*, struct inode
*dir
);
1024 int (*unlink_done
) (struct rpc_task
*, struct inode
*);
1025 int (*rename
) (struct inode
*, struct qstr
*,
1026 struct inode
*, struct qstr
*);
1027 int (*link
) (struct inode
*, struct inode
*, struct qstr
*);
1028 int (*symlink
) (struct inode
*, struct dentry
*, struct page
*,
1029 unsigned int, struct iattr
*);
1030 int (*mkdir
) (struct inode
*, struct dentry
*, struct iattr
*);
1031 int (*rmdir
) (struct inode
*, struct qstr
*);
1032 int (*readdir
) (struct dentry
*, struct rpc_cred
*,
1033 u64
, struct page
*, unsigned int, int);
1034 int (*mknod
) (struct inode
*, struct dentry
*, struct iattr
*,
1036 int (*statfs
) (struct nfs_server
*, struct nfs_fh
*,
1037 struct nfs_fsstat
*);
1038 int (*fsinfo
) (struct nfs_server
*, struct nfs_fh
*,
1039 struct nfs_fsinfo
*);
1040 int (*pathconf
) (struct nfs_server
*, struct nfs_fh
*,
1041 struct nfs_pathconf
*);
1042 int (*set_capabilities
)(struct nfs_server
*, struct nfs_fh
*);
1043 __be32
*(*decode_dirent
)(__be32
*, struct nfs_entry
*, int plus
);
1044 void (*read_setup
) (struct nfs_read_data
*, struct rpc_message
*);
1045 int (*read_done
) (struct rpc_task
*, struct nfs_read_data
*);
1046 void (*write_setup
) (struct nfs_write_data
*, struct rpc_message
*);
1047 int (*write_done
) (struct rpc_task
*, struct nfs_write_data
*);
1048 void (*commit_setup
) (struct nfs_write_data
*, struct rpc_message
*);
1049 int (*commit_done
) (struct rpc_task
*, struct nfs_write_data
*);
1050 int (*lock
)(struct file
*, int, struct file_lock
*);
1051 int (*lock_check_bounds
)(const struct file_lock
*);
1052 void (*clear_acl_cache
)(struct inode
*);
1053 void (*close_context
)(struct nfs_open_context
*ctx
, int);
1057 * NFS_CALL(getattr, inode, (fattr));
1059 * NFS_PROTO(inode)->getattr(fattr);
1061 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1064 * Function vectors etc. for the NFS client
1066 extern const struct nfs_rpc_ops nfs_v2_clientops
;
1067 extern const struct nfs_rpc_ops nfs_v3_clientops
;
1068 extern const struct nfs_rpc_ops nfs_v4_clientops
;
1069 extern struct rpc_version nfs_version2
;
1070 extern struct rpc_version nfs_version3
;
1071 extern struct rpc_version nfs_version4
;
1073 extern struct rpc_version nfsacl_version3
;
1074 extern struct rpc_program nfsacl_program
;