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
;
489 * The following types are for NFSv2 only.
491 struct nfs_sattrargs
{
493 struct iattr
* sattr
;
496 struct nfs_diropargs
{
502 struct nfs_createargs
{
506 struct iattr
* sattr
;
509 struct nfs_setattrargs
{
511 nfs4_stateid stateid
;
513 const struct nfs_server
* server
; /* Needed for name mapping */
515 struct nfs4_sequence_args seq_args
;
518 struct nfs_setaclargs
{
521 unsigned int acl_pgbase
;
522 struct page
** acl_pages
;
523 struct nfs4_sequence_args seq_args
;
526 struct nfs_setaclres
{
527 struct nfs4_sequence_res seq_res
;
530 struct nfs_getaclargs
{
533 unsigned int acl_pgbase
;
534 struct page
** acl_pages
;
535 struct nfs4_sequence_args seq_args
;
538 struct nfs_getaclres
{
540 struct nfs4_sequence_res seq_res
;
543 struct nfs_setattrres
{
544 struct nfs_fattr
* fattr
;
545 const struct nfs_server
* server
;
546 struct nfs4_sequence_res seq_res
;
549 struct nfs_linkargs
{
550 struct nfs_fh
* fromfh
;
551 struct nfs_fh
* tofh
;
556 struct nfs_symlinkargs
{
557 struct nfs_fh
* fromfh
;
558 const char * fromname
;
559 unsigned int fromlen
;
560 struct page
** pages
;
561 unsigned int pathlen
;
562 struct iattr
* sattr
;
565 struct nfs_readdirargs
{
569 struct page
** pages
;
572 struct nfs3_getaclargs
{
575 struct page
** pages
;
578 struct nfs3_setaclargs
{
579 struct inode
* inode
;
581 struct posix_acl
* acl_access
;
582 struct posix_acl
* acl_default
;
585 struct page
** pages
;
590 struct nfs_fattr
* fattr
;
593 struct nfs_readlinkargs
{
597 struct page
** pages
;
600 struct nfs3_sattrargs
{
602 struct iattr
* sattr
;
604 struct timespec guardtime
;
607 struct nfs3_diropargs
{
613 struct nfs3_accessargs
{
618 struct nfs3_createargs
{
622 struct iattr
* sattr
;
623 enum nfs3_createmode createmode
;
627 struct nfs3_mkdirargs
{
631 struct iattr
* sattr
;
634 struct nfs3_symlinkargs
{
635 struct nfs_fh
* fromfh
;
636 const char * fromname
;
637 unsigned int fromlen
;
638 struct page
** pages
;
639 unsigned int pathlen
;
640 struct iattr
* sattr
;
643 struct nfs3_mknodargs
{
647 enum nfs3_ftype type
;
648 struct iattr
* sattr
;
652 struct nfs3_linkargs
{
653 struct nfs_fh
* fromfh
;
654 struct nfs_fh
* tofh
;
659 struct nfs3_readdirargs
{
665 struct page
** pages
;
668 struct nfs3_diropres
{
669 struct nfs_fattr
* dir_attr
;
671 struct nfs_fattr
* fattr
;
674 struct nfs3_accessres
{
675 struct nfs_fattr
* fattr
;
679 struct nfs3_readlinkargs
{
683 struct page
** pages
;
686 struct nfs3_linkres
{
687 struct nfs_fattr
* dir_attr
;
688 struct nfs_fattr
* fattr
;
691 struct nfs3_readdirres
{
692 struct nfs_fattr
* dir_attr
;
697 struct nfs3_getaclres
{
698 struct nfs_fattr
* fattr
;
700 unsigned int acl_access_count
;
701 unsigned int acl_default_count
;
702 struct posix_acl
* acl_access
;
703 struct posix_acl
* acl_default
;
708 typedef u64 clientid4
;
710 struct nfs4_accessargs
{
711 const struct nfs_fh
* fh
;
714 struct nfs4_sequence_args seq_args
;
717 struct nfs4_accessres
{
718 const struct nfs_server
* server
;
719 struct nfs_fattr
* fattr
;
722 struct nfs4_sequence_res seq_res
;
725 struct nfs4_create_arg
{
729 struct page
** pages
;
731 } symlink
; /* NF4LNK */
735 } device
; /* NF4BLK, NF4CHR */
737 const struct qstr
* name
;
738 const struct nfs_server
* server
;
739 const struct iattr
* attrs
;
740 const struct nfs_fh
* dir_fh
;
742 struct nfs4_sequence_args seq_args
;
745 struct nfs4_create_res
{
746 const struct nfs_server
* server
;
748 struct nfs_fattr
* fattr
;
749 struct nfs4_change_info dir_cinfo
;
750 struct nfs_fattr
* dir_fattr
;
751 struct nfs4_sequence_res seq_res
;
754 struct nfs4_fsinfo_arg
{
755 const struct nfs_fh
* fh
;
757 struct nfs4_sequence_args seq_args
;
760 struct nfs4_fsinfo_res
{
761 struct nfs_fsinfo
*fsinfo
;
762 struct nfs4_sequence_res seq_res
;
765 struct nfs4_getattr_arg
{
766 const struct nfs_fh
* fh
;
768 struct nfs4_sequence_args seq_args
;
771 struct nfs4_getattr_res
{
772 const struct nfs_server
* server
;
773 struct nfs_fattr
* fattr
;
774 struct nfs4_sequence_res seq_res
;
777 struct nfs4_link_arg
{
778 const struct nfs_fh
* fh
;
779 const struct nfs_fh
* dir_fh
;
780 const struct qstr
* name
;
782 struct nfs4_sequence_args seq_args
;
785 struct nfs4_link_res
{
786 const struct nfs_server
* server
;
787 struct nfs_fattr
* fattr
;
788 struct nfs4_change_info cinfo
;
789 struct nfs_fattr
* dir_attr
;
790 struct nfs4_sequence_res seq_res
;
794 struct nfs4_lookup_arg
{
795 const struct nfs_fh
* dir_fh
;
796 const struct qstr
* name
;
798 struct nfs4_sequence_args seq_args
;
801 struct nfs4_lookup_res
{
802 const struct nfs_server
* server
;
803 struct nfs_fattr
* fattr
;
805 struct nfs4_sequence_res seq_res
;
808 struct nfs4_lookup_root_arg
{
810 struct nfs4_sequence_args seq_args
;
813 struct nfs4_pathconf_arg
{
814 const struct nfs_fh
* fh
;
816 struct nfs4_sequence_args seq_args
;
819 struct nfs4_pathconf_res
{
820 struct nfs_pathconf
*pathconf
;
821 struct nfs4_sequence_res seq_res
;
824 struct nfs4_readdir_arg
{
825 const struct nfs_fh
* fh
;
827 nfs4_verifier verifier
;
829 struct page
** pages
; /* zero-copy data */
830 unsigned int pgbase
; /* zero-copy data */
833 struct nfs4_sequence_args seq_args
;
836 struct nfs4_readdir_res
{
837 nfs4_verifier verifier
;
839 struct nfs4_sequence_res seq_res
;
842 struct nfs4_readlink
{
843 const struct nfs_fh
* fh
;
845 unsigned int pglen
; /* zero-copy data */
846 struct page
** pages
; /* zero-copy data */
847 struct nfs4_sequence_args seq_args
;
850 struct nfs4_readlink_res
{
851 struct nfs4_sequence_res seq_res
;
854 #define NFS4_SETCLIENTID_NAMELEN (127)
855 struct nfs4_setclientid
{
856 const nfs4_verifier
* sc_verifier
;
857 unsigned int sc_name_len
;
858 char sc_name
[NFS4_SETCLIENTID_NAMELEN
+ 1];
860 unsigned int sc_netid_len
;
861 char sc_netid
[RPCBIND_MAXNETIDLEN
+ 1];
862 unsigned int sc_uaddr_len
;
863 char sc_uaddr
[RPCBIND_MAXUADDRLEN
+ 1];
867 struct nfs4_setclientid_res
{
869 nfs4_verifier confirm
;
872 struct nfs4_statfs_arg
{
873 const struct nfs_fh
* fh
;
875 struct nfs4_sequence_args seq_args
;
878 struct nfs4_statfs_res
{
879 struct nfs_fsstat
*fsstat
;
880 struct nfs4_sequence_res seq_res
;
883 struct nfs4_server_caps_arg
{
884 struct nfs_fh
*fhandle
;
885 struct nfs4_sequence_args seq_args
;
888 struct nfs4_server_caps_res
{
893 struct nfs4_sequence_res seq_res
;
901 #define NFS4_PATHNAME_MAXCOMPONENTS 512
902 struct nfs4_pathname
{
903 unsigned int ncomponents
;
904 struct nfs4_string components
[NFS4_PATHNAME_MAXCOMPONENTS
];
907 #define NFS4_FS_LOCATION_MAXSERVERS 10
908 struct nfs4_fs_location
{
909 unsigned int nservers
;
910 struct nfs4_string servers
[NFS4_FS_LOCATION_MAXSERVERS
];
911 struct nfs4_pathname rootpath
;
914 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
915 struct nfs4_fs_locations
{
916 struct nfs_fattr fattr
;
917 const struct nfs_server
*server
;
918 struct nfs4_pathname fs_path
;
920 struct nfs4_fs_location locations
[NFS4_FS_LOCATIONS_MAXENTRIES
];
923 struct nfs4_fs_locations_arg
{
924 const struct nfs_fh
*dir_fh
;
925 const struct qstr
*name
;
928 struct nfs4_sequence_args seq_args
;
931 struct nfs4_fs_locations_res
{
932 struct nfs4_fs_locations
*fs_locations
;
933 struct nfs4_sequence_res seq_res
;
936 #endif /* CONFIG_NFS_V4 */
943 #ifdef CONFIG_NFS_V4_1
944 struct nfs_impl_id4
{
949 struct nfstime4 date
;
952 #define NFS4_EXCHANGE_ID_LEN (48)
953 struct nfs41_exchange_id_args
{
954 struct nfs_client
*client
;
955 nfs4_verifier
*verifier
;
957 char id
[NFS4_EXCHANGE_ID_LEN
];
961 struct server_owner
{
963 uint32_t major_id_sz
;
964 char major_id
[NFS4_OPAQUE_LIMIT
];
967 struct server_scope
{
968 uint32_t server_scope_sz
;
969 char server_scope
[NFS4_OPAQUE_LIMIT
];
972 struct nfs41_exchange_id_res
{
973 struct nfs_client
*client
;
977 struct nfs41_create_session_args
{
978 struct nfs_client
*client
;
981 struct nfs4_channel_attrs fc_attrs
; /* Fore Channel */
982 struct nfs4_channel_attrs bc_attrs
; /* Back Channel */
985 struct nfs41_create_session_res
{
986 struct nfs_client
*client
;
989 struct nfs41_reclaim_complete_args
{
990 /* In the future extend to include curr_fh for use with migration */
991 unsigned char one_fs
:1;
992 struct nfs4_sequence_args seq_args
;
995 struct nfs41_reclaim_complete_res
{
996 struct nfs4_sequence_res seq_res
;
998 #endif /* CONFIG_NFS_V4_1 */
1002 #define NFS_PAGEVEC_SIZE (8U)
1004 struct nfs_read_data
{
1006 struct rpc_task task
;
1007 struct inode
*inode
;
1008 struct rpc_cred
*cred
;
1009 struct nfs_fattr fattr
; /* fattr storage */
1010 struct list_head pages
; /* Coalesced read requests */
1011 struct nfs_page
*req
; /* multi ops per nfs_page */
1012 struct page
**pagevec
;
1013 unsigned int npages
; /* Max length of pagevec */
1014 struct nfs_readargs args
;
1015 struct nfs_readres res
;
1016 #ifdef CONFIG_NFS_V4
1017 unsigned long timestamp
; /* For lease renewal */
1019 struct page
*page_array
[NFS_PAGEVEC_SIZE
];
1022 struct nfs_write_data
{
1024 struct rpc_task task
;
1025 struct inode
*inode
;
1026 struct rpc_cred
*cred
;
1027 struct nfs_fattr fattr
;
1028 struct nfs_writeverf verf
;
1029 struct list_head pages
; /* Coalesced requests we wish to flush */
1030 struct nfs_page
*req
; /* multi ops per nfs_page */
1031 struct page
**pagevec
;
1032 unsigned int npages
; /* Max length of pagevec */
1033 struct nfs_writeargs args
; /* argument struct */
1034 struct nfs_writeres res
; /* result struct */
1035 #ifdef CONFIG_NFS_V4
1036 unsigned long timestamp
; /* For lease renewal */
1038 struct page
*page_array
[NFS_PAGEVEC_SIZE
];
1041 struct nfs_access_entry
;
1044 * RPC procedure vector for NFSv2/NFSv3 demuxing
1046 struct nfs_rpc_ops
{
1047 u32 version
; /* Protocol version */
1048 const struct dentry_operations
*dentry_ops
;
1049 const struct inode_operations
*dir_inode_ops
;
1050 const struct inode_operations
*file_inode_ops
;
1052 int (*getroot
) (struct nfs_server
*, struct nfs_fh
*,
1053 struct nfs_fsinfo
*);
1054 int (*lookupfh
)(struct nfs_server
*, struct nfs_fh
*,
1055 struct qstr
*, struct nfs_fh
*,
1056 struct nfs_fattr
*);
1057 int (*getattr
) (struct nfs_server
*, struct nfs_fh
*,
1058 struct nfs_fattr
*);
1059 int (*setattr
) (struct dentry
*, struct nfs_fattr
*,
1061 int (*lookup
) (struct inode
*, struct qstr
*,
1062 struct nfs_fh
*, struct nfs_fattr
*);
1063 int (*access
) (struct inode
*, struct nfs_access_entry
*);
1064 int (*readlink
)(struct inode
*, struct page
*, unsigned int,
1066 int (*create
) (struct inode
*, struct dentry
*,
1067 struct iattr
*, int, struct nfs_open_context
*);
1068 int (*remove
) (struct inode
*, struct qstr
*);
1069 void (*unlink_setup
) (struct rpc_message
*, struct inode
*dir
);
1070 int (*unlink_done
) (struct rpc_task
*, struct inode
*);
1071 int (*rename
) (struct inode
*, struct qstr
*,
1072 struct inode
*, struct qstr
*);
1073 void (*rename_setup
) (struct rpc_message
*msg
, struct inode
*dir
);
1074 int (*rename_done
) (struct rpc_task
*task
, struct inode
*old_dir
, struct inode
*new_dir
);
1075 int (*link
) (struct inode
*, struct inode
*, struct qstr
*);
1076 int (*symlink
) (struct inode
*, struct dentry
*, struct page
*,
1077 unsigned int, struct iattr
*);
1078 int (*mkdir
) (struct inode
*, struct dentry
*, struct iattr
*);
1079 int (*rmdir
) (struct inode
*, struct qstr
*);
1080 int (*readdir
) (struct dentry
*, struct rpc_cred
*,
1081 u64
, struct page
**, unsigned int, int);
1082 int (*mknod
) (struct inode
*, struct dentry
*, struct iattr
*,
1084 int (*statfs
) (struct nfs_server
*, struct nfs_fh
*,
1085 struct nfs_fsstat
*);
1086 int (*fsinfo
) (struct nfs_server
*, struct nfs_fh
*,
1087 struct nfs_fsinfo
*);
1088 int (*pathconf
) (struct nfs_server
*, struct nfs_fh
*,
1089 struct nfs_pathconf
*);
1090 int (*set_capabilities
)(struct nfs_server
*, struct nfs_fh
*);
1091 __be32
*(*decode_dirent
)(struct xdr_stream
*, struct nfs_entry
*, struct nfs_server
*, int plus
);
1092 void (*read_setup
) (struct nfs_read_data
*, struct rpc_message
*);
1093 int (*read_done
) (struct rpc_task
*, struct nfs_read_data
*);
1094 void (*write_setup
) (struct nfs_write_data
*, struct rpc_message
*);
1095 int (*write_done
) (struct rpc_task
*, struct nfs_write_data
*);
1096 void (*commit_setup
) (struct nfs_write_data
*, struct rpc_message
*);
1097 int (*commit_done
) (struct rpc_task
*, struct nfs_write_data
*);
1098 int (*lock
)(struct file
*, int, struct file_lock
*);
1099 int (*lock_check_bounds
)(const struct file_lock
*);
1100 void (*clear_acl_cache
)(struct inode
*);
1101 void (*close_context
)(struct nfs_open_context
*ctx
, int);
1102 struct inode
* (*open_context
) (struct inode
*dir
,
1103 struct nfs_open_context
*ctx
,
1105 struct iattr
*iattr
);
1109 * NFS_CALL(getattr, inode, (fattr));
1111 * NFS_PROTO(inode)->getattr(fattr);
1113 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1116 * Function vectors etc. for the NFS client
1118 extern const struct nfs_rpc_ops nfs_v2_clientops
;
1119 extern const struct nfs_rpc_ops nfs_v3_clientops
;
1120 extern const struct nfs_rpc_ops nfs_v4_clientops
;
1121 extern struct rpc_version nfs_version2
;
1122 extern struct rpc_version nfs_version3
;
1123 extern struct rpc_version nfs_version4
;
1125 extern struct rpc_version nfsacl_version3
;
1126 extern struct rpc_program nfsacl_program
;