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
;
213 struct nfs4_layoutget_res
{
214 __u32 return_on_close
;
215 struct pnfs_layout_range range
;
217 nfs4_stateid stateid
;
218 struct nfs4_layoutdriver_data layout
;
219 struct nfs4_sequence_res seq_res
;
222 struct nfs4_layoutget
{
223 struct nfs4_layoutget_args args
;
224 struct nfs4_layoutget_res res
;
225 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
;
490 * The following types are for NFSv2 only.
492 struct nfs_sattrargs
{
494 struct iattr
* sattr
;
497 struct nfs_diropargs
{
503 struct nfs_createargs
{
507 struct iattr
* sattr
;
510 struct nfs_setattrargs
{
512 nfs4_stateid stateid
;
514 const struct nfs_server
* server
; /* Needed for name mapping */
516 struct nfs4_sequence_args seq_args
;
519 struct nfs_setaclargs
{
522 unsigned int acl_pgbase
;
523 struct page
** acl_pages
;
524 struct nfs4_sequence_args seq_args
;
527 struct nfs_setaclres
{
528 struct nfs4_sequence_res seq_res
;
531 struct nfs_getaclargs
{
534 unsigned int acl_pgbase
;
535 struct page
** acl_pages
;
536 struct nfs4_sequence_args seq_args
;
539 struct nfs_getaclres
{
541 struct nfs4_sequence_res seq_res
;
544 struct nfs_setattrres
{
545 struct nfs_fattr
* fattr
;
546 const struct nfs_server
* server
;
547 struct nfs4_sequence_res seq_res
;
550 struct nfs_linkargs
{
551 struct nfs_fh
* fromfh
;
552 struct nfs_fh
* tofh
;
557 struct nfs_symlinkargs
{
558 struct nfs_fh
* fromfh
;
559 const char * fromname
;
560 unsigned int fromlen
;
561 struct page
** pages
;
562 unsigned int pathlen
;
563 struct iattr
* sattr
;
566 struct nfs_readdirargs
{
570 struct page
** pages
;
573 struct nfs3_getaclargs
{
576 struct page
** pages
;
579 struct nfs3_setaclargs
{
580 struct inode
* inode
;
582 struct posix_acl
* acl_access
;
583 struct posix_acl
* acl_default
;
586 struct page
** pages
;
591 struct nfs_fattr
* fattr
;
594 struct nfs_readlinkargs
{
598 struct page
** pages
;
601 struct nfs3_sattrargs
{
603 struct iattr
* sattr
;
605 struct timespec guardtime
;
608 struct nfs3_diropargs
{
614 struct nfs3_accessargs
{
619 struct nfs3_createargs
{
623 struct iattr
* sattr
;
624 enum nfs3_createmode createmode
;
628 struct nfs3_mkdirargs
{
632 struct iattr
* sattr
;
635 struct nfs3_symlinkargs
{
636 struct nfs_fh
* fromfh
;
637 const char * fromname
;
638 unsigned int fromlen
;
639 struct page
** pages
;
640 unsigned int pathlen
;
641 struct iattr
* sattr
;
644 struct nfs3_mknodargs
{
648 enum nfs3_ftype type
;
649 struct iattr
* sattr
;
653 struct nfs3_linkargs
{
654 struct nfs_fh
* fromfh
;
655 struct nfs_fh
* tofh
;
660 struct nfs3_readdirargs
{
666 struct page
** pages
;
669 struct nfs3_diropres
{
670 struct nfs_fattr
* dir_attr
;
672 struct nfs_fattr
* fattr
;
675 struct nfs3_accessres
{
676 struct nfs_fattr
* fattr
;
680 struct nfs3_readlinkargs
{
684 struct page
** pages
;
687 struct nfs3_linkres
{
688 struct nfs_fattr
* dir_attr
;
689 struct nfs_fattr
* fattr
;
692 struct nfs3_readdirres
{
693 struct nfs_fattr
* dir_attr
;
698 struct nfs3_getaclres
{
699 struct nfs_fattr
* fattr
;
701 unsigned int acl_access_count
;
702 unsigned int acl_default_count
;
703 struct posix_acl
* acl_access
;
704 struct posix_acl
* acl_default
;
709 typedef u64 clientid4
;
711 struct nfs4_accessargs
{
712 const struct nfs_fh
* fh
;
715 struct nfs4_sequence_args seq_args
;
718 struct nfs4_accessres
{
719 const struct nfs_server
* server
;
720 struct nfs_fattr
* fattr
;
723 struct nfs4_sequence_res seq_res
;
726 struct nfs4_create_arg
{
730 struct page
** pages
;
732 } symlink
; /* NF4LNK */
736 } device
; /* NF4BLK, NF4CHR */
738 const struct qstr
* name
;
739 const struct nfs_server
* server
;
740 const struct iattr
* attrs
;
741 const struct nfs_fh
* dir_fh
;
743 struct nfs4_sequence_args seq_args
;
746 struct nfs4_create_res
{
747 const struct nfs_server
* server
;
749 struct nfs_fattr
* fattr
;
750 struct nfs4_change_info dir_cinfo
;
751 struct nfs_fattr
* dir_fattr
;
752 struct nfs4_sequence_res seq_res
;
755 struct nfs4_fsinfo_arg
{
756 const struct nfs_fh
* fh
;
758 struct nfs4_sequence_args seq_args
;
761 struct nfs4_fsinfo_res
{
762 struct nfs_fsinfo
*fsinfo
;
763 struct nfs4_sequence_res seq_res
;
766 struct nfs4_getattr_arg
{
767 const struct nfs_fh
* fh
;
769 struct nfs4_sequence_args seq_args
;
772 struct nfs4_getattr_res
{
773 const struct nfs_server
* server
;
774 struct nfs_fattr
* fattr
;
775 struct nfs4_sequence_res seq_res
;
778 struct nfs4_link_arg
{
779 const struct nfs_fh
* fh
;
780 const struct nfs_fh
* dir_fh
;
781 const struct qstr
* name
;
783 struct nfs4_sequence_args seq_args
;
786 struct nfs4_link_res
{
787 const struct nfs_server
* server
;
788 struct nfs_fattr
* fattr
;
789 struct nfs4_change_info cinfo
;
790 struct nfs_fattr
* dir_attr
;
791 struct nfs4_sequence_res seq_res
;
795 struct nfs4_lookup_arg
{
796 const struct nfs_fh
* dir_fh
;
797 const struct qstr
* name
;
799 struct nfs4_sequence_args seq_args
;
802 struct nfs4_lookup_res
{
803 const struct nfs_server
* server
;
804 struct nfs_fattr
* fattr
;
806 struct nfs4_sequence_res seq_res
;
809 struct nfs4_lookup_root_arg
{
811 struct nfs4_sequence_args seq_args
;
814 struct nfs4_pathconf_arg
{
815 const struct nfs_fh
* fh
;
817 struct nfs4_sequence_args seq_args
;
820 struct nfs4_pathconf_res
{
821 struct nfs_pathconf
*pathconf
;
822 struct nfs4_sequence_res seq_res
;
825 struct nfs4_readdir_arg
{
826 const struct nfs_fh
* fh
;
828 nfs4_verifier verifier
;
830 struct page
** pages
; /* zero-copy data */
831 unsigned int pgbase
; /* zero-copy data */
834 struct nfs4_sequence_args seq_args
;
837 struct nfs4_readdir_res
{
838 nfs4_verifier verifier
;
840 struct nfs4_sequence_res seq_res
;
843 struct nfs4_readlink
{
844 const struct nfs_fh
* fh
;
846 unsigned int pglen
; /* zero-copy data */
847 struct page
** pages
; /* zero-copy data */
848 struct nfs4_sequence_args seq_args
;
851 struct nfs4_readlink_res
{
852 struct nfs4_sequence_res seq_res
;
855 #define NFS4_SETCLIENTID_NAMELEN (127)
856 struct nfs4_setclientid
{
857 const nfs4_verifier
* sc_verifier
;
858 unsigned int sc_name_len
;
859 char sc_name
[NFS4_SETCLIENTID_NAMELEN
+ 1];
861 unsigned int sc_netid_len
;
862 char sc_netid
[RPCBIND_MAXNETIDLEN
+ 1];
863 unsigned int sc_uaddr_len
;
864 char sc_uaddr
[RPCBIND_MAXUADDRLEN
+ 1];
868 struct nfs4_setclientid_res
{
870 nfs4_verifier confirm
;
873 struct nfs4_statfs_arg
{
874 const struct nfs_fh
* fh
;
876 struct nfs4_sequence_args seq_args
;
879 struct nfs4_statfs_res
{
880 struct nfs_fsstat
*fsstat
;
881 struct nfs4_sequence_res seq_res
;
884 struct nfs4_server_caps_arg
{
885 struct nfs_fh
*fhandle
;
886 struct nfs4_sequence_args seq_args
;
889 struct nfs4_server_caps_res
{
894 struct nfs4_sequence_res seq_res
;
902 #define NFS4_PATHNAME_MAXCOMPONENTS 512
903 struct nfs4_pathname
{
904 unsigned int ncomponents
;
905 struct nfs4_string components
[NFS4_PATHNAME_MAXCOMPONENTS
];
908 #define NFS4_FS_LOCATION_MAXSERVERS 10
909 struct nfs4_fs_location
{
910 unsigned int nservers
;
911 struct nfs4_string servers
[NFS4_FS_LOCATION_MAXSERVERS
];
912 struct nfs4_pathname rootpath
;
915 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
916 struct nfs4_fs_locations
{
917 struct nfs_fattr fattr
;
918 const struct nfs_server
*server
;
919 struct nfs4_pathname fs_path
;
921 struct nfs4_fs_location locations
[NFS4_FS_LOCATIONS_MAXENTRIES
];
924 struct nfs4_fs_locations_arg
{
925 const struct nfs_fh
*dir_fh
;
926 const struct qstr
*name
;
929 struct nfs4_sequence_args seq_args
;
932 struct nfs4_fs_locations_res
{
933 struct nfs4_fs_locations
*fs_locations
;
934 struct nfs4_sequence_res seq_res
;
937 #endif /* CONFIG_NFS_V4 */
944 #ifdef CONFIG_NFS_V4_1
945 struct nfs_impl_id4
{
950 struct nfstime4 date
;
953 #define NFS4_EXCHANGE_ID_LEN (48)
954 struct nfs41_exchange_id_args
{
955 struct nfs_client
*client
;
956 nfs4_verifier
*verifier
;
958 char id
[NFS4_EXCHANGE_ID_LEN
];
962 struct server_owner
{
964 uint32_t major_id_sz
;
965 char major_id
[NFS4_OPAQUE_LIMIT
];
968 struct server_scope
{
969 uint32_t server_scope_sz
;
970 char server_scope
[NFS4_OPAQUE_LIMIT
];
973 struct nfs41_exchange_id_res
{
974 struct nfs_client
*client
;
978 struct nfs41_create_session_args
{
979 struct nfs_client
*client
;
982 struct nfs4_channel_attrs fc_attrs
; /* Fore Channel */
983 struct nfs4_channel_attrs bc_attrs
; /* Back Channel */
986 struct nfs41_create_session_res
{
987 struct nfs_client
*client
;
990 struct nfs41_reclaim_complete_args
{
991 /* In the future extend to include curr_fh for use with migration */
992 unsigned char one_fs
:1;
993 struct nfs4_sequence_args seq_args
;
996 struct nfs41_reclaim_complete_res
{
997 struct nfs4_sequence_res seq_res
;
999 #endif /* CONFIG_NFS_V4_1 */
1003 #define NFS_PAGEVEC_SIZE (8U)
1005 struct nfs_read_data
{
1007 struct rpc_task task
;
1008 struct inode
*inode
;
1009 struct rpc_cred
*cred
;
1010 struct nfs_fattr fattr
; /* fattr storage */
1011 struct list_head pages
; /* Coalesced read requests */
1012 struct nfs_page
*req
; /* multi ops per nfs_page */
1013 struct page
**pagevec
;
1014 unsigned int npages
; /* Max length of pagevec */
1015 struct nfs_readargs args
;
1016 struct nfs_readres res
;
1017 #ifdef CONFIG_NFS_V4
1018 unsigned long timestamp
; /* For lease renewal */
1020 struct page
*page_array
[NFS_PAGEVEC_SIZE
];
1023 struct nfs_write_data
{
1025 struct rpc_task task
;
1026 struct inode
*inode
;
1027 struct rpc_cred
*cred
;
1028 struct nfs_fattr fattr
;
1029 struct nfs_writeverf verf
;
1030 struct list_head pages
; /* Coalesced requests we wish to flush */
1031 struct nfs_page
*req
; /* multi ops per nfs_page */
1032 struct page
**pagevec
;
1033 unsigned int npages
; /* Max length of pagevec */
1034 struct nfs_writeargs args
; /* argument struct */
1035 struct nfs_writeres res
; /* result struct */
1036 #ifdef CONFIG_NFS_V4
1037 unsigned long timestamp
; /* For lease renewal */
1039 struct page
*page_array
[NFS_PAGEVEC_SIZE
];
1042 struct nfs_access_entry
;
1045 * RPC procedure vector for NFSv2/NFSv3 demuxing
1047 struct nfs_rpc_ops
{
1048 u32 version
; /* Protocol version */
1049 const struct dentry_operations
*dentry_ops
;
1050 const struct inode_operations
*dir_inode_ops
;
1051 const struct inode_operations
*file_inode_ops
;
1053 int (*getroot
) (struct nfs_server
*, struct nfs_fh
*,
1054 struct nfs_fsinfo
*);
1055 int (*lookupfh
)(struct nfs_server
*, struct nfs_fh
*,
1056 struct qstr
*, struct nfs_fh
*,
1057 struct nfs_fattr
*);
1058 int (*getattr
) (struct nfs_server
*, struct nfs_fh
*,
1059 struct nfs_fattr
*);
1060 int (*setattr
) (struct dentry
*, struct nfs_fattr
*,
1062 int (*lookup
) (struct inode
*, struct qstr
*,
1063 struct nfs_fh
*, struct nfs_fattr
*);
1064 int (*access
) (struct inode
*, struct nfs_access_entry
*);
1065 int (*readlink
)(struct inode
*, struct page
*, unsigned int,
1067 int (*create
) (struct inode
*, struct dentry
*,
1068 struct iattr
*, int, struct nfs_open_context
*);
1069 int (*remove
) (struct inode
*, struct qstr
*);
1070 void (*unlink_setup
) (struct rpc_message
*, struct inode
*dir
);
1071 int (*unlink_done
) (struct rpc_task
*, struct inode
*);
1072 int (*rename
) (struct inode
*, struct qstr
*,
1073 struct inode
*, struct qstr
*);
1074 void (*rename_setup
) (struct rpc_message
*msg
, struct inode
*dir
);
1075 int (*rename_done
) (struct rpc_task
*task
, struct inode
*old_dir
, struct inode
*new_dir
);
1076 int (*link
) (struct inode
*, struct inode
*, struct qstr
*);
1077 int (*symlink
) (struct inode
*, struct dentry
*, struct page
*,
1078 unsigned int, struct iattr
*);
1079 int (*mkdir
) (struct inode
*, struct dentry
*, struct iattr
*);
1080 int (*rmdir
) (struct inode
*, struct qstr
*);
1081 int (*readdir
) (struct dentry
*, struct rpc_cred
*,
1082 u64
, struct page
**, unsigned int, int);
1083 int (*mknod
) (struct inode
*, struct dentry
*, struct iattr
*,
1085 int (*statfs
) (struct nfs_server
*, struct nfs_fh
*,
1086 struct nfs_fsstat
*);
1087 int (*fsinfo
) (struct nfs_server
*, struct nfs_fh
*,
1088 struct nfs_fsinfo
*);
1089 int (*pathconf
) (struct nfs_server
*, struct nfs_fh
*,
1090 struct nfs_pathconf
*);
1091 int (*set_capabilities
)(struct nfs_server
*, struct nfs_fh
*);
1092 __be32
*(*decode_dirent
)(struct xdr_stream
*, struct nfs_entry
*, struct nfs_server
*, int plus
);
1093 void (*read_setup
) (struct nfs_read_data
*, struct rpc_message
*);
1094 int (*read_done
) (struct rpc_task
*, struct nfs_read_data
*);
1095 void (*write_setup
) (struct nfs_write_data
*, struct rpc_message
*);
1096 int (*write_done
) (struct rpc_task
*, struct nfs_write_data
*);
1097 void (*commit_setup
) (struct nfs_write_data
*, struct rpc_message
*);
1098 int (*commit_done
) (struct rpc_task
*, struct nfs_write_data
*);
1099 int (*lock
)(struct file
*, int, struct file_lock
*);
1100 int (*lock_check_bounds
)(const struct file_lock
*);
1101 void (*clear_acl_cache
)(struct inode
*);
1102 void (*close_context
)(struct nfs_open_context
*ctx
, int);
1103 struct inode
* (*open_context
) (struct inode
*dir
,
1104 struct nfs_open_context
*ctx
,
1106 struct iattr
*iattr
);
1110 * NFS_CALL(getattr, inode, (fattr));
1112 * NFS_PROTO(inode)->getattr(fattr);
1114 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1117 * Function vectors etc. for the NFS client
1119 extern const struct nfs_rpc_ops nfs_v2_clientops
;
1120 extern const struct nfs_rpc_ops nfs_v3_clientops
;
1121 extern const struct nfs_rpc_ops nfs_v4_clientops
;
1122 extern struct rpc_version nfs_version2
;
1123 extern struct rpc_version nfs_version3
;
1124 extern struct rpc_version nfs_version4
;
1126 extern struct rpc_version nfsacl_version3
;
1127 extern struct rpc_program nfsacl_program
;