1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_NFS_XDR_H
3 #define _LINUX_NFS_XDR_H
5 #include <linux/nfsacl.h>
6 #include <linux/sunrpc/gss_api.h>
9 * To change the maximum rsize and wsize supported by the NFS client, adjust
10 * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
11 * support a megabyte or more. The default is left at 4096 bytes, which is
12 * reasonable for NFS over UDP.
14 #define NFS_MAX_FILE_IO_SIZE (1048576U)
15 #define NFS_DEF_FILE_IO_SIZE (4096U)
16 #define NFS_MIN_FILE_IO_SIZE (1024U)
18 #define NFS_BITMASK_SZ 3
31 * Helper for checking equality between 2 fsids.
33 static inline int nfs_fsid_equal(const struct nfs_fsid
*a
, const struct nfs_fsid
*b
)
35 return a
->major
== b
->major
&& a
->minor
== b
->minor
;
38 struct nfs4_threshold
{
48 unsigned int valid
; /* which fields are valid */
66 __u64 mounted_on_fileid
;
67 struct timespec64 atime
;
68 struct timespec64 mtime
;
69 struct timespec64 ctime
;
70 __u64 change_attr
; /* NFSv4 change attribute */
71 __u64 pre_change_attr
;/* pre-op NFSv4 change attribute */
72 __u64 pre_size
; /* pre_op_attr.size */
73 struct timespec64 pre_mtime
; /* pre_op_attr.mtime */
74 struct timespec64 pre_ctime
; /* pre_op_attr.ctime */
75 unsigned long time_start
;
76 unsigned long gencount
;
77 struct nfs4_string
*owner_name
;
78 struct nfs4_string
*group_name
;
79 struct nfs4_threshold
*mdsthreshold
; /* pNFS threshold hints */
80 struct nfs4_label
*label
;
83 #define NFS_ATTR_FATTR_TYPE (1U << 0)
84 #define NFS_ATTR_FATTR_MODE (1U << 1)
85 #define NFS_ATTR_FATTR_NLINK (1U << 2)
86 #define NFS_ATTR_FATTR_OWNER (1U << 3)
87 #define NFS_ATTR_FATTR_GROUP (1U << 4)
88 #define NFS_ATTR_FATTR_RDEV (1U << 5)
89 #define NFS_ATTR_FATTR_SIZE (1U << 6)
90 #define NFS_ATTR_FATTR_PRESIZE (1U << 7)
91 #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
92 #define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
93 #define NFS_ATTR_FATTR_FSID (1U << 10)
94 #define NFS_ATTR_FATTR_FILEID (1U << 11)
95 #define NFS_ATTR_FATTR_ATIME (1U << 12)
96 #define NFS_ATTR_FATTR_MTIME (1U << 13)
97 #define NFS_ATTR_FATTR_CTIME (1U << 14)
98 #define NFS_ATTR_FATTR_PREMTIME (1U << 15)
99 #define NFS_ATTR_FATTR_PRECTIME (1U << 16)
100 #define NFS_ATTR_FATTR_CHANGE (1U << 17)
101 #define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
102 #define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
103 #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
104 #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
105 #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
106 #define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
107 #define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
108 #define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
110 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
111 | NFS_ATTR_FATTR_MODE \
112 | NFS_ATTR_FATTR_NLINK \
113 | NFS_ATTR_FATTR_OWNER \
114 | NFS_ATTR_FATTR_GROUP \
115 | NFS_ATTR_FATTR_RDEV \
116 | NFS_ATTR_FATTR_SIZE \
117 | NFS_ATTR_FATTR_FSID \
118 | NFS_ATTR_FATTR_FILEID \
119 | NFS_ATTR_FATTR_ATIME \
120 | NFS_ATTR_FATTR_MTIME \
121 | NFS_ATTR_FATTR_CTIME \
122 | NFS_ATTR_FATTR_CHANGE)
123 #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
124 | NFS_ATTR_FATTR_BLOCKS_USED)
125 #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
126 | NFS_ATTR_FATTR_SPACE_USED)
127 #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
128 | NFS_ATTR_FATTR_SPACE_USED \
129 | NFS_ATTR_FATTR_V4_SECURITY_LABEL)
132 * Maximal number of supported layout drivers.
134 #define NFS_MAX_LAYOUT_TYPES 8
137 * Info on the file system
140 struct nfs_fattr
*fattr
; /* Post-op attributes */
141 __u32 rtmax
; /* max. read transfer size */
142 __u32 rtpref
; /* pref. read transfer size */
143 __u32 rtmult
; /* reads should be multiple of this */
144 __u32 wtmax
; /* max. write transfer size */
145 __u32 wtpref
; /* pref. write transfer size */
146 __u32 wtmult
; /* writes should be multiple of this */
147 __u32 dtpref
; /* pref. readdir transfer size */
149 struct timespec64 time_delta
; /* server time granularity */
150 __u32 lease_time
; /* in seconds */
151 __u32 nlayouttypes
; /* number of layouttypes */
152 __u32 layouttype
[NFS_MAX_LAYOUT_TYPES
]; /* supported pnfs layout driver */
153 __u32 blksize
; /* preferred pnfs io block size */
154 __u32 clone_blksize
; /* granularity of a CLONE operation */
155 enum nfs4_change_attr_type
156 change_attr_type
; /* Info about change attr */
157 __u32 xattr_support
; /* User xattrs supported */
161 struct nfs_fattr
*fattr
; /* Post-op attributes */
162 __u64 tbytes
; /* total size in bytes */
163 __u64 fbytes
; /* # of free bytes */
164 __u64 abytes
; /* # of bytes available to user */
165 __u64 tfiles
; /* # of files */
166 __u64 ffiles
; /* # of free files */
167 __u64 afiles
; /* # of files available to user */
171 __u32 tsize
; /* Server transfer size */
172 __u32 bsize
; /* Filesystem block size */
173 __u32 blocks
; /* No. of "bsize" blocks on filesystem */
174 __u32 bfree
; /* No. of free "bsize" blocks */
175 __u32 bavail
; /* No. of available "bsize" blocks */
178 struct nfs_pathconf
{
179 struct nfs_fattr
*fattr
; /* Post-op attributes */
180 __u32 max_link
; /* max # of hard links */
181 __u32 max_namelen
; /* max name length */
184 struct nfs4_change_info
{
192 /* nfs41 sessions channel attributes */
193 struct nfs4_channel_attrs
{
196 u32 max_resp_sz_cached
;
202 struct nfs4_sequence_args
{
203 struct nfs4_slot
*sa_slot
;
204 u8 sa_cache_this
: 1,
208 struct nfs4_sequence_res
{
209 struct nfs4_slot
*sr_slot
; /* slot used to send request */
210 unsigned long sr_timestamp
;
211 int sr_status
; /* sequence operation status */
213 u32 sr_highest_slotid
;
214 u32 sr_target_highest_slotid
;
217 struct nfs4_get_lease_time_args
{
218 struct nfs4_sequence_args la_seq_args
;
221 struct nfs4_get_lease_time_res
{
222 struct nfs4_sequence_res lr_seq_res
;
223 struct nfs_fsinfo
*lr_fsinfo
;
227 struct nfs4_xdr_opaque_data
;
229 struct nfs4_xdr_opaque_ops
{
230 void (*encode
)(struct xdr_stream
*, const void *args
,
231 const struct nfs4_xdr_opaque_data
*);
232 void (*free
)(struct nfs4_xdr_opaque_data
*);
235 struct nfs4_xdr_opaque_data
{
236 const struct nfs4_xdr_opaque_ops
*ops
;
240 #define PNFS_LAYOUT_MAXSIZE 4096
242 struct nfs4_layoutdriver_data
{
248 struct pnfs_layout_range
{
254 struct nfs4_layoutget_args
{
255 struct nfs4_sequence_args seq_args
;
257 struct pnfs_layout_range range
;
261 struct nfs_open_context
*ctx
;
262 nfs4_stateid stateid
;
263 struct nfs4_layoutdriver_data layout
;
266 struct nfs4_layoutget_res
{
267 struct nfs4_sequence_res seq_res
;
269 __u32 return_on_close
;
270 struct pnfs_layout_range range
;
272 nfs4_stateid stateid
;
273 struct nfs4_layoutdriver_data
*layoutp
;
276 struct nfs4_layoutget
{
277 struct nfs4_layoutget_args args
;
278 struct nfs4_layoutget_res res
;
279 const struct cred
*cred
;
283 struct nfs4_getdeviceinfo_args
{
284 struct nfs4_sequence_args seq_args
;
285 struct pnfs_device
*pdev
;
289 struct nfs4_getdeviceinfo_res
{
290 struct nfs4_sequence_res seq_res
;
291 struct pnfs_device
*pdev
;
295 struct nfs4_layoutcommit_args
{
296 struct nfs4_sequence_args seq_args
;
297 nfs4_stateid stateid
;
298 __u64 lastbytewritten
;
301 size_t layoutupdate_len
;
302 struct page
*layoutupdate_page
;
303 struct page
**layoutupdate_pages
;
307 struct nfs4_layoutcommit_res
{
308 struct nfs4_sequence_res seq_res
;
309 struct nfs_fattr
*fattr
;
310 const struct nfs_server
*server
;
314 struct nfs4_layoutcommit_data
{
315 struct rpc_task task
;
316 struct nfs_fattr fattr
;
317 struct list_head lseg_list
;
318 const struct cred
*cred
;
320 struct nfs4_layoutcommit_args args
;
321 struct nfs4_layoutcommit_res res
;
324 struct nfs4_layoutreturn_args
{
325 struct nfs4_sequence_args seq_args
;
326 struct pnfs_layout_hdr
*layout
;
328 struct pnfs_layout_range range
;
329 nfs4_stateid stateid
;
331 struct nfs4_xdr_opaque_data
*ld_private
;
334 struct nfs4_layoutreturn_res
{
335 struct nfs4_sequence_res seq_res
;
337 nfs4_stateid stateid
;
340 struct nfs4_layoutreturn
{
341 struct nfs4_layoutreturn_args args
;
342 struct nfs4_layoutreturn_res res
;
343 const struct cred
*cred
;
344 struct nfs_client
*clp
;
347 struct nfs4_xdr_opaque_data ld_private
;
350 #define PNFS_LAYOUTSTATS_MAXSIZE 256
352 struct nfs42_layoutstat_args
;
353 struct nfs42_layoutstat_devinfo
;
354 typedef void (*layoutstats_encode_t
)(struct xdr_stream
*,
355 struct nfs42_layoutstat_args
*,
356 struct nfs42_layoutstat_devinfo
*);
358 /* Per file per deviceid layoutstats */
359 struct nfs42_layoutstat_devinfo
{
360 struct nfs4_deviceid dev_id
;
368 struct nfs4_xdr_opaque_data ld_private
;
371 struct nfs42_layoutstat_args
{
372 struct nfs4_sequence_args seq_args
;
375 nfs4_stateid stateid
;
377 struct nfs42_layoutstat_devinfo
*devinfo
;
380 struct nfs42_layoutstat_res
{
381 struct nfs4_sequence_res seq_res
;
386 struct nfs42_layoutstat_data
{
388 struct nfs42_layoutstat_args args
;
389 struct nfs42_layoutstat_res res
;
392 struct nfs42_device_error
{
393 struct nfs4_deviceid dev_id
;
395 enum nfs_opnum4 opnum
;
398 struct nfs42_layout_error
{
401 nfs4_stateid stateid
;
402 struct nfs42_device_error errors
[1];
405 #define NFS42_LAYOUTERROR_MAX 5
407 struct nfs42_layouterror_args
{
408 struct nfs4_sequence_args seq_args
;
410 unsigned int num_errors
;
411 struct nfs42_layout_error errors
[NFS42_LAYOUTERROR_MAX
];
414 struct nfs42_layouterror_res
{
415 struct nfs4_sequence_res seq_res
;
416 unsigned int num_errors
;
420 struct nfs42_layouterror_data
{
421 struct nfs42_layouterror_args args
;
422 struct nfs42_layouterror_res res
;
424 struct pnfs_layout_segment
*lseg
;
427 struct nfs42_clone_args
{
428 struct nfs4_sequence_args seq_args
;
429 struct nfs_fh
*src_fh
;
430 struct nfs_fh
*dst_fh
;
431 nfs4_stateid src_stateid
;
432 nfs4_stateid dst_stateid
;
436 const u32
*dst_bitmask
;
439 struct nfs42_clone_res
{
440 struct nfs4_sequence_res seq_res
;
441 unsigned int rpc_status
;
442 struct nfs_fattr
*dst_fattr
;
443 const struct nfs_server
*server
;
446 struct stateowner_id
{
452 * Arguments to the open call.
454 struct nfs_openargs
{
455 struct nfs4_sequence_args seq_args
;
456 const struct nfs_fh
* fh
;
457 struct nfs_seqid
* seqid
;
463 struct stateowner_id id
;
466 struct iattr
* attrs
; /* UNCHECKED, GUARDED, EXCLUSIVE4_1 */
467 nfs4_verifier verifier
; /* EXCLUSIVE */
469 nfs4_stateid delegation
; /* CLAIM_DELEGATE_CUR */
470 fmode_t delegation_type
; /* CLAIM_PREVIOUS */
472 const struct qstr
* name
;
473 const struct nfs_server
*server
; /* Needed for ID mapping */
475 const u32
* open_bitmap
;
476 enum open_claim_type4 claim
;
477 enum createmode4 createmode
;
478 const struct nfs4_label
*label
;
480 struct nfs4_layoutget_args
*lg_args
;
484 struct nfs4_sequence_res seq_res
;
485 nfs4_stateid stateid
;
487 struct nfs4_change_info cinfo
;
489 struct nfs_fattr
* f_attr
;
490 struct nfs4_label
*f_label
;
491 struct nfs_seqid
* seqid
;
492 const struct nfs_server
*server
;
493 fmode_t delegation_type
;
494 nfs4_stateid delegation
;
495 unsigned long pagemod_limit
;
497 __u32 attrset
[NFS4_BITMAP_SIZE
];
498 struct nfs4_string
*owner
;
499 struct nfs4_string
*group_owner
;
500 __u32 access_request
;
501 __u32 access_supported
;
503 struct nfs4_layoutget_res
*lg_res
;
507 * Arguments to the open_confirm call.
509 struct nfs_open_confirmargs
{
510 struct nfs4_sequence_args seq_args
;
511 const struct nfs_fh
* fh
;
512 nfs4_stateid
* stateid
;
513 struct nfs_seqid
* seqid
;
516 struct nfs_open_confirmres
{
517 struct nfs4_sequence_res seq_res
;
518 nfs4_stateid stateid
;
519 struct nfs_seqid
* seqid
;
523 * Arguments to the close call.
525 struct nfs_closeargs
{
526 struct nfs4_sequence_args seq_args
;
528 nfs4_stateid stateid
;
529 struct nfs_seqid
* seqid
;
533 u32 bitmask_store
[NFS_BITMASK_SZ
];
534 struct nfs4_layoutreturn_args
*lr_args
;
537 struct nfs_closeres
{
538 struct nfs4_sequence_res seq_res
;
539 nfs4_stateid stateid
;
540 struct nfs_fattr
* fattr
;
541 struct nfs_seqid
* seqid
;
542 const struct nfs_server
*server
;
543 struct nfs4_layoutreturn_res
*lr_res
;
547 * * Arguments to the lock,lockt, and locku call.
555 struct nfs_lock_args
{
556 struct nfs4_sequence_args seq_args
;
558 struct file_lock
* fl
;
559 struct nfs_seqid
* lock_seqid
;
560 nfs4_stateid lock_stateid
;
561 struct nfs_seqid
* open_seqid
;
562 nfs4_stateid open_stateid
;
563 struct nfs_lowner lock_owner
;
564 unsigned char block
: 1;
565 unsigned char reclaim
: 1;
566 unsigned char new_lock
: 1;
567 unsigned char new_lock_owner
: 1;
570 struct nfs_lock_res
{
571 struct nfs4_sequence_res seq_res
;
572 nfs4_stateid stateid
;
573 struct nfs_seqid
* lock_seqid
;
574 struct nfs_seqid
* open_seqid
;
577 struct nfs_locku_args
{
578 struct nfs4_sequence_args seq_args
;
580 struct file_lock
* fl
;
581 struct nfs_seqid
* seqid
;
582 nfs4_stateid stateid
;
585 struct nfs_locku_res
{
586 struct nfs4_sequence_res seq_res
;
587 nfs4_stateid stateid
;
588 struct nfs_seqid
* seqid
;
591 struct nfs_lockt_args
{
592 struct nfs4_sequence_args seq_args
;
594 struct file_lock
* fl
;
595 struct nfs_lowner lock_owner
;
598 struct nfs_lockt_res
{
599 struct nfs4_sequence_res seq_res
;
600 struct file_lock
* denied
; /* LOCK, LOCKT failed */
603 struct nfs_release_lockowner_args
{
604 struct nfs4_sequence_args seq_args
;
605 struct nfs_lowner lock_owner
;
608 struct nfs_release_lockowner_res
{
609 struct nfs4_sequence_res seq_res
;
612 struct nfs4_delegreturnargs
{
613 struct nfs4_sequence_args seq_args
;
614 const struct nfs_fh
*fhandle
;
615 const nfs4_stateid
*stateid
;
617 u32 bitmask_store
[NFS_BITMASK_SZ
];
618 struct nfs4_layoutreturn_args
*lr_args
;
621 struct nfs4_delegreturnres
{
622 struct nfs4_sequence_res seq_res
;
623 struct nfs_fattr
* fattr
;
624 struct nfs_server
*server
;
625 struct nfs4_layoutreturn_res
*lr_res
;
630 * Arguments to the write call.
632 struct nfs_write_verifier
{
636 struct nfs_writeverf
{
637 struct nfs_write_verifier verifier
;
638 enum nfs3_stable_how committed
;
642 * Arguments shared by the read and write call.
644 struct nfs_pgio_args
{
645 struct nfs4_sequence_args seq_args
;
647 struct nfs_open_context
*context
;
648 struct nfs_lock_context
*lock_context
;
649 nfs4_stateid stateid
;
653 struct page
** pages
;
655 unsigned int replen
; /* used by read */
657 const u32
* bitmask
; /* used by write */
658 u32 bitmask_store
[NFS_BITMASK_SZ
]; /* used by write */
659 enum nfs3_stable_how stable
; /* used by write */
664 struct nfs_pgio_res
{
665 struct nfs4_sequence_res seq_res
;
666 struct nfs_fattr
* fattr
;
671 unsigned int replen
; /* used by read */
672 int eof
; /* used by read */
675 struct nfs_writeverf
* verf
; /* used by write */
676 const struct nfs_server
*server
; /* used by write */
682 * Arguments to the commit call.
684 struct nfs_commitargs
{
685 struct nfs4_sequence_args seq_args
;
692 struct nfs_commitres
{
693 struct nfs4_sequence_res seq_res
;
695 struct nfs_fattr
*fattr
;
696 struct nfs_writeverf
*verf
;
697 const struct nfs_server
*server
;
701 * Common arguments to the unlink call
703 struct nfs_removeargs
{
704 struct nfs4_sequence_args seq_args
;
705 const struct nfs_fh
*fh
;
709 struct nfs_removeres
{
710 struct nfs4_sequence_res seq_res
;
711 struct nfs_server
*server
;
712 struct nfs_fattr
*dir_attr
;
713 struct nfs4_change_info cinfo
;
717 * Common arguments to the rename call
719 struct nfs_renameargs
{
720 struct nfs4_sequence_args seq_args
;
721 const struct nfs_fh
*old_dir
;
722 const struct nfs_fh
*new_dir
;
723 const struct qstr
*old_name
;
724 const struct qstr
*new_name
;
727 struct nfs_renameres
{
728 struct nfs4_sequence_res seq_res
;
729 struct nfs_server
*server
;
730 struct nfs4_change_info old_cinfo
;
731 struct nfs_fattr
*old_fattr
;
732 struct nfs4_change_info new_cinfo
;
733 struct nfs_fattr
*new_fattr
;
736 /* parsed sec= options */
737 #define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */
738 struct nfs_auth_info
{
739 unsigned int flavor_len
;
740 rpc_authflavor_t flavors
[NFS_AUTH_INFO_MAX_FLAVORS
];
744 * Argument struct for decode_entry function
754 struct nfs_fattr
* fattr
;
755 struct nfs4_label
*label
;
756 unsigned char d_type
;
757 struct nfs_server
* server
;
760 struct nfs_readdir_arg
{
761 struct dentry
*dentry
;
762 const struct cred
*cred
;
766 unsigned int page_len
;
770 struct nfs_readdir_res
{
775 * The following types are for NFSv2 only.
777 struct nfs_sattrargs
{
779 struct iattr
* sattr
;
782 struct nfs_diropargs
{
788 struct nfs_createargs
{
792 struct iattr
* sattr
;
795 struct nfs_setattrargs
{
796 struct nfs4_sequence_args seq_args
;
798 nfs4_stateid stateid
;
800 const struct nfs_server
* server
; /* Needed for name mapping */
802 const struct nfs4_label
*label
;
805 struct nfs_setaclargs
{
806 struct nfs4_sequence_args seq_args
;
809 struct page
** acl_pages
;
812 struct nfs_setaclres
{
813 struct nfs4_sequence_res seq_res
;
816 struct nfs_getaclargs
{
817 struct nfs4_sequence_args seq_args
;
820 struct page
** acl_pages
;
823 /* getxattr ACL interface flags */
824 #define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
825 struct nfs_getaclres
{
826 struct nfs4_sequence_res seq_res
;
828 size_t acl_data_offset
;
830 struct page
* acl_scratch
;
833 struct nfs_setattrres
{
834 struct nfs4_sequence_res seq_res
;
835 struct nfs_fattr
* fattr
;
836 struct nfs4_label
*label
;
837 const struct nfs_server
* server
;
840 struct nfs_linkargs
{
841 struct nfs_fh
* fromfh
;
842 struct nfs_fh
* tofh
;
847 struct nfs_symlinkargs
{
848 struct nfs_fh
* fromfh
;
849 const char * fromname
;
850 unsigned int fromlen
;
851 struct page
** pages
;
852 unsigned int pathlen
;
853 struct iattr
* sattr
;
856 struct nfs_readdirargs
{
860 struct page
** pages
;
863 struct nfs3_getaclargs
{
866 struct page
** pages
;
869 struct nfs3_setaclargs
{
870 struct inode
* inode
;
872 struct posix_acl
* acl_access
;
873 struct posix_acl
* acl_default
;
876 struct page
** pages
;
881 struct nfs_fattr
* fattr
;
884 struct nfs_readlinkargs
{
888 struct page
** pages
;
891 struct nfs3_sattrargs
{
893 struct iattr
* sattr
;
895 struct timespec64 guardtime
;
898 struct nfs3_diropargs
{
904 struct nfs3_accessargs
{
909 struct nfs3_createargs
{
913 struct iattr
* sattr
;
914 enum nfs3_createmode createmode
;
918 struct nfs3_mkdirargs
{
922 struct iattr
* sattr
;
925 struct nfs3_symlinkargs
{
926 struct nfs_fh
* fromfh
;
927 const char * fromname
;
928 unsigned int fromlen
;
929 struct page
** pages
;
930 unsigned int pathlen
;
931 struct iattr
* sattr
;
934 struct nfs3_mknodargs
{
938 enum nfs3_ftype type
;
939 struct iattr
* sattr
;
943 struct nfs3_linkargs
{
944 struct nfs_fh
* fromfh
;
945 struct nfs_fh
* tofh
;
950 struct nfs3_readdirargs
{
956 struct page
** pages
;
959 struct nfs3_diropres
{
960 struct nfs_fattr
* dir_attr
;
962 struct nfs_fattr
* fattr
;
965 struct nfs3_accessres
{
966 struct nfs_fattr
* fattr
;
970 struct nfs3_readlinkargs
{
974 struct page
** pages
;
977 struct nfs3_linkres
{
978 struct nfs_fattr
* dir_attr
;
979 struct nfs_fattr
* fattr
;
982 struct nfs3_readdirres
{
983 struct nfs_fattr
* dir_attr
;
988 struct nfs3_getaclres
{
989 struct nfs_fattr
* fattr
;
991 unsigned int acl_access_count
;
992 unsigned int acl_default_count
;
993 struct posix_acl
* acl_access
;
994 struct posix_acl
* acl_default
;
997 #if IS_ENABLED(CONFIG_NFS_V4)
999 typedef u64 clientid4
;
1001 struct nfs4_accessargs
{
1002 struct nfs4_sequence_args seq_args
;
1003 const struct nfs_fh
* fh
;
1004 const u32
* bitmask
;
1008 struct nfs4_accessres
{
1009 struct nfs4_sequence_res seq_res
;
1010 const struct nfs_server
* server
;
1011 struct nfs_fattr
* fattr
;
1016 struct nfs4_create_arg
{
1017 struct nfs4_sequence_args seq_args
;
1021 struct page
** pages
;
1023 } symlink
; /* NF4LNK */
1027 } device
; /* NF4BLK, NF4CHR */
1029 const struct qstr
* name
;
1030 const struct nfs_server
* server
;
1031 const struct iattr
* attrs
;
1032 const struct nfs_fh
* dir_fh
;
1033 const u32
* bitmask
;
1034 const struct nfs4_label
*label
;
1038 struct nfs4_create_res
{
1039 struct nfs4_sequence_res seq_res
;
1040 const struct nfs_server
* server
;
1042 struct nfs_fattr
* fattr
;
1043 struct nfs4_label
*label
;
1044 struct nfs4_change_info dir_cinfo
;
1047 struct nfs4_fsinfo_arg
{
1048 struct nfs4_sequence_args seq_args
;
1049 const struct nfs_fh
* fh
;
1050 const u32
* bitmask
;
1053 struct nfs4_fsinfo_res
{
1054 struct nfs4_sequence_res seq_res
;
1055 struct nfs_fsinfo
*fsinfo
;
1058 struct nfs4_getattr_arg
{
1059 struct nfs4_sequence_args seq_args
;
1060 const struct nfs_fh
* fh
;
1061 const u32
* bitmask
;
1064 struct nfs4_getattr_res
{
1065 struct nfs4_sequence_res seq_res
;
1066 const struct nfs_server
* server
;
1067 struct nfs_fattr
* fattr
;
1068 struct nfs4_label
*label
;
1071 struct nfs4_link_arg
{
1072 struct nfs4_sequence_args seq_args
;
1073 const struct nfs_fh
* fh
;
1074 const struct nfs_fh
* dir_fh
;
1075 const struct qstr
* name
;
1076 const u32
* bitmask
;
1079 struct nfs4_link_res
{
1080 struct nfs4_sequence_res seq_res
;
1081 const struct nfs_server
* server
;
1082 struct nfs_fattr
* fattr
;
1083 struct nfs4_label
*label
;
1084 struct nfs4_change_info cinfo
;
1085 struct nfs_fattr
* dir_attr
;
1088 struct nfs4_lookup_arg
{
1089 struct nfs4_sequence_args seq_args
;
1090 const struct nfs_fh
* dir_fh
;
1091 const struct qstr
* name
;
1092 const u32
* bitmask
;
1095 struct nfs4_lookup_res
{
1096 struct nfs4_sequence_res seq_res
;
1097 const struct nfs_server
* server
;
1098 struct nfs_fattr
* fattr
;
1100 struct nfs4_label
*label
;
1103 struct nfs4_lookupp_arg
{
1104 struct nfs4_sequence_args seq_args
;
1105 const struct nfs_fh
*fh
;
1109 struct nfs4_lookupp_res
{
1110 struct nfs4_sequence_res seq_res
;
1111 const struct nfs_server
*server
;
1112 struct nfs_fattr
*fattr
;
1114 struct nfs4_label
*label
;
1117 struct nfs4_lookup_root_arg
{
1118 struct nfs4_sequence_args seq_args
;
1119 const u32
* bitmask
;
1122 struct nfs4_pathconf_arg
{
1123 struct nfs4_sequence_args seq_args
;
1124 const struct nfs_fh
* fh
;
1125 const u32
* bitmask
;
1128 struct nfs4_pathconf_res
{
1129 struct nfs4_sequence_res seq_res
;
1130 struct nfs_pathconf
*pathconf
;
1133 struct nfs4_readdir_arg
{
1134 struct nfs4_sequence_args seq_args
;
1135 const struct nfs_fh
* fh
;
1137 nfs4_verifier verifier
;
1139 struct page
** pages
; /* zero-copy data */
1140 unsigned int pgbase
; /* zero-copy data */
1141 const u32
* bitmask
;
1145 struct nfs4_readdir_res
{
1146 struct nfs4_sequence_res seq_res
;
1147 nfs4_verifier verifier
;
1148 unsigned int pgbase
;
1151 struct nfs4_readlink
{
1152 struct nfs4_sequence_args seq_args
;
1153 const struct nfs_fh
* fh
;
1154 unsigned int pgbase
;
1155 unsigned int pglen
; /* zero-copy data */
1156 struct page
** pages
; /* zero-copy data */
1159 struct nfs4_readlink_res
{
1160 struct nfs4_sequence_res seq_res
;
1163 struct nfs4_setclientid
{
1164 const nfs4_verifier
* sc_verifier
;
1166 unsigned int sc_netid_len
;
1167 char sc_netid
[RPCBIND_MAXNETIDLEN
+ 1];
1168 unsigned int sc_uaddr_len
;
1169 char sc_uaddr
[RPCBIND_MAXUADDRLEN
+ 1];
1170 struct nfs_client
*sc_clnt
;
1171 struct rpc_cred
*sc_cred
;
1174 struct nfs4_setclientid_res
{
1176 nfs4_verifier confirm
;
1179 struct nfs4_statfs_arg
{
1180 struct nfs4_sequence_args seq_args
;
1181 const struct nfs_fh
* fh
;
1182 const u32
* bitmask
;
1185 struct nfs4_statfs_res
{
1186 struct nfs4_sequence_res seq_res
;
1187 struct nfs_fsstat
*fsstat
;
1190 struct nfs4_server_caps_arg
{
1191 struct nfs4_sequence_args seq_args
;
1192 struct nfs_fh
*fhandle
;
1193 const u32
* bitmask
;
1196 struct nfs4_server_caps_res
{
1197 struct nfs4_sequence_res seq_res
;
1198 u32 attr_bitmask
[3];
1199 u32 exclcreat_bitmask
[3];
1206 #define NFS4_PATHNAME_MAXCOMPONENTS 512
1207 struct nfs4_pathname
{
1208 unsigned int ncomponents
;
1209 struct nfs4_string components
[NFS4_PATHNAME_MAXCOMPONENTS
];
1212 #define NFS4_FS_LOCATION_MAXSERVERS 10
1213 struct nfs4_fs_location
{
1214 unsigned int nservers
;
1215 struct nfs4_string servers
[NFS4_FS_LOCATION_MAXSERVERS
];
1216 struct nfs4_pathname rootpath
;
1219 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
1220 struct nfs4_fs_locations
{
1221 struct nfs_fattr fattr
;
1222 const struct nfs_server
*server
;
1223 struct nfs4_pathname fs_path
;
1225 struct nfs4_fs_location locations
[NFS4_FS_LOCATIONS_MAXENTRIES
];
1228 struct nfs4_fs_locations_arg
{
1229 struct nfs4_sequence_args seq_args
;
1230 const struct nfs_fh
*dir_fh
;
1231 const struct nfs_fh
*fh
;
1232 const struct qstr
*name
;
1236 unsigned char migration
:1, renew
:1;
1239 struct nfs4_fs_locations_res
{
1240 struct nfs4_sequence_res seq_res
;
1241 struct nfs4_fs_locations
*fs_locations
;
1242 unsigned char migration
:1, renew
:1;
1245 struct nfs4_secinfo4
{
1247 struct rpcsec_gss_info flavor_info
;
1250 struct nfs4_secinfo_flavors
{
1251 unsigned int num_flavors
;
1252 struct nfs4_secinfo4 flavors
[];
1255 struct nfs4_secinfo_arg
{
1256 struct nfs4_sequence_args seq_args
;
1257 const struct nfs_fh
*dir_fh
;
1258 const struct qstr
*name
;
1261 struct nfs4_secinfo_res
{
1262 struct nfs4_sequence_res seq_res
;
1263 struct nfs4_secinfo_flavors
*flavors
;
1266 struct nfs4_fsid_present_arg
{
1267 struct nfs4_sequence_args seq_args
;
1268 const struct nfs_fh
*fh
;
1270 unsigned char renew
:1;
1273 struct nfs4_fsid_present_res
{
1274 struct nfs4_sequence_res seq_res
;
1276 unsigned char renew
:1;
1279 #endif /* CONFIG_NFS_V4 */
1286 #ifdef CONFIG_NFS_V4_1
1288 struct pnfs_commit_bucket
{
1289 struct list_head written
;
1290 struct list_head committing
;
1291 struct pnfs_layout_segment
*lseg
;
1292 struct nfs_writeverf direct_verf
;
1295 struct pnfs_commit_array
{
1296 struct list_head cinfo_list
;
1297 struct list_head lseg_list
;
1298 struct pnfs_layout_segment
*lseg
;
1299 struct rcu_head rcu
;
1300 refcount_t refcount
;
1301 unsigned int nbuckets
;
1302 struct pnfs_commit_bucket buckets
[];
1305 struct pnfs_ds_commit_info
{
1306 struct list_head commits
;
1307 unsigned int nwritten
;
1308 unsigned int ncommitting
;
1309 const struct pnfs_commit_ops
*ops
;
1312 struct nfs41_state_protection
{
1314 struct nfs4_op_map enforce
;
1315 struct nfs4_op_map allow
;
1318 struct nfs41_exchange_id_args
{
1319 struct nfs_client
*client
;
1320 nfs4_verifier verifier
;
1322 struct nfs41_state_protection state_protect
;
1325 struct nfs41_server_owner
{
1327 uint32_t major_id_sz
;
1328 char major_id
[NFS4_OPAQUE_LIMIT
];
1331 struct nfs41_server_scope
{
1332 uint32_t server_scope_sz
;
1333 char server_scope
[NFS4_OPAQUE_LIMIT
];
1336 struct nfs41_impl_id
{
1337 char domain
[NFS4_OPAQUE_LIMIT
+ 1];
1338 char name
[NFS4_OPAQUE_LIMIT
+ 1];
1339 struct nfstime4 date
;
1342 #define MAX_BIND_CONN_TO_SESSION_RETRIES 3
1343 struct nfs41_bind_conn_to_session_args
{
1344 struct nfs_client
*client
;
1345 struct nfs4_sessionid sessionid
;
1347 bool use_conn_in_rdma_mode
;
1351 struct nfs41_bind_conn_to_session_res
{
1352 struct nfs4_sessionid sessionid
;
1354 bool use_conn_in_rdma_mode
;
1357 struct nfs41_exchange_id_res
{
1361 struct nfs41_server_owner
*server_owner
;
1362 struct nfs41_server_scope
*server_scope
;
1363 struct nfs41_impl_id
*impl_id
;
1364 struct nfs41_state_protection state_protect
;
1367 struct nfs41_create_session_args
{
1368 struct nfs_client
*client
;
1372 uint32_t cb_program
;
1373 struct nfs4_channel_attrs fc_attrs
; /* Fore Channel */
1374 struct nfs4_channel_attrs bc_attrs
; /* Back Channel */
1377 struct nfs41_create_session_res
{
1378 struct nfs4_sessionid sessionid
;
1381 struct nfs4_channel_attrs fc_attrs
; /* Fore Channel */
1382 struct nfs4_channel_attrs bc_attrs
; /* Back Channel */
1385 struct nfs41_reclaim_complete_args
{
1386 struct nfs4_sequence_args seq_args
;
1387 /* In the future extend to include curr_fh for use with migration */
1388 unsigned char one_fs
:1;
1391 struct nfs41_reclaim_complete_res
{
1392 struct nfs4_sequence_res seq_res
;
1395 #define SECINFO_STYLE_CURRENT_FH 0
1396 #define SECINFO_STYLE_PARENT 1
1397 struct nfs41_secinfo_no_name_args
{
1398 struct nfs4_sequence_args seq_args
;
1402 struct nfs41_test_stateid_args
{
1403 struct nfs4_sequence_args seq_args
;
1404 nfs4_stateid
*stateid
;
1407 struct nfs41_test_stateid_res
{
1408 struct nfs4_sequence_res seq_res
;
1409 unsigned int status
;
1412 struct nfs41_free_stateid_args
{
1413 struct nfs4_sequence_args seq_args
;
1414 nfs4_stateid stateid
;
1417 struct nfs41_free_stateid_res
{
1418 struct nfs4_sequence_res seq_res
;
1419 unsigned int status
;
1424 struct pnfs_ds_commit_info
{
1427 #endif /* CONFIG_NFS_V4_1 */
1429 #ifdef CONFIG_NFS_V4_2
1430 struct nfs42_falloc_args
{
1431 struct nfs4_sequence_args seq_args
;
1433 struct nfs_fh
*falloc_fh
;
1434 nfs4_stateid falloc_stateid
;
1437 const u32
*falloc_bitmask
;
1440 struct nfs42_falloc_res
{
1441 struct nfs4_sequence_res seq_res
;
1442 unsigned int status
;
1444 struct nfs_fattr
*falloc_fattr
;
1445 const struct nfs_server
*falloc_server
;
1448 struct nfs42_copy_args
{
1449 struct nfs4_sequence_args seq_args
;
1451 struct nfs_fh
*src_fh
;
1452 nfs4_stateid src_stateid
;
1455 struct nfs_fh
*dst_fh
;
1456 nfs4_stateid dst_stateid
;
1461 struct nl4_server
*cp_src
;
1464 struct nfs42_write_res
{
1465 nfs4_stateid stateid
;
1467 struct nfs_writeverf verifier
;
1470 struct nfs42_copy_res
{
1471 struct nfs4_sequence_res seq_res
;
1472 struct nfs42_write_res write_res
;
1475 struct nfs_commitres commit_res
;
1478 struct nfs42_offload_status_args
{
1479 struct nfs4_sequence_args osa_seq_args
;
1480 struct nfs_fh
*osa_src_fh
;
1481 nfs4_stateid osa_stateid
;
1484 struct nfs42_offload_status_res
{
1485 struct nfs4_sequence_res osr_seq_res
;
1490 struct nfs42_copy_notify_args
{
1491 struct nfs4_sequence_args cna_seq_args
;
1493 struct nfs_fh
*cna_src_fh
;
1494 nfs4_stateid cna_src_stateid
;
1495 struct nl4_server cna_dst
;
1498 struct nfs42_copy_notify_res
{
1499 struct nfs4_sequence_res cnr_seq_res
;
1501 struct nfstime4 cnr_lease_time
;
1502 nfs4_stateid cnr_stateid
;
1503 struct nl4_server cnr_src
;
1506 struct nfs42_seek_args
{
1507 struct nfs4_sequence_args seq_args
;
1509 struct nfs_fh
*sa_fh
;
1510 nfs4_stateid sa_stateid
;
1515 struct nfs42_seek_res
{
1516 struct nfs4_sequence_res seq_res
;
1517 unsigned int status
;
1523 struct nfs42_setxattrargs
{
1524 struct nfs4_sequence_args seq_args
;
1526 const char *xattr_name
;
1529 struct page
**xattr_pages
;
1532 struct nfs42_setxattrres
{
1533 struct nfs4_sequence_res seq_res
;
1534 struct nfs4_change_info cinfo
;
1537 struct nfs42_getxattrargs
{
1538 struct nfs4_sequence_args seq_args
;
1540 const char *xattr_name
;
1542 struct page
**xattr_pages
;
1545 struct nfs42_getxattrres
{
1546 struct nfs4_sequence_res seq_res
;
1550 struct nfs42_listxattrsargs
{
1551 struct nfs4_sequence_args seq_args
;
1555 struct page
**xattr_pages
;
1558 struct nfs42_listxattrsres
{
1559 struct nfs4_sequence_res seq_res
;
1560 struct page
*scratch
;
1568 struct nfs42_removexattrargs
{
1569 struct nfs4_sequence_args seq_args
;
1571 const char *xattr_name
;
1574 struct nfs42_removexattrres
{
1575 struct nfs4_sequence_res seq_res
;
1576 struct nfs4_change_info cinfo
;
1579 #endif /* CONFIG_NFS_V4_2 */
1583 #define NFS_PAGEVEC_SIZE (8U)
1585 struct nfs_page_array
{
1586 struct page
**pagevec
;
1587 unsigned int npages
; /* Max length of pagevec */
1588 struct page
*page_array
[NFS_PAGEVEC_SIZE
];
1591 /* used as flag bits in nfs_pgio_header */
1593 NFS_IOHDR_ERROR
= 0,
1597 NFS_IOHDR_RESEND_PNFS
,
1598 NFS_IOHDR_RESEND_MDS
,
1601 struct nfs_io_completion
;
1602 struct nfs_pgio_header
{
1603 struct inode
*inode
;
1604 const struct cred
*cred
;
1605 struct list_head pages
;
1606 struct nfs_page
*req
;
1607 struct nfs_writeverf verf
; /* Used for writes */
1609 struct pnfs_layout_segment
*lseg
;
1611 const struct rpc_call_ops
*mds_ops
;
1612 void (*release
) (struct nfs_pgio_header
*hdr
);
1613 const struct nfs_pgio_completion_ops
*completion_ops
;
1614 const struct nfs_rw_ops
*rw_ops
;
1615 struct nfs_io_completion
*io_completion
;
1616 struct nfs_direct_req
*dreq
;
1619 int error
; /* merge with pnfs_error */
1620 unsigned int good_bytes
; /* boundary of good data */
1621 unsigned long flags
;
1626 struct rpc_task task
;
1627 struct nfs_fattr fattr
;
1628 struct nfs_pgio_args args
; /* argument struct */
1629 struct nfs_pgio_res res
; /* result struct */
1630 unsigned long timestamp
; /* For lease renewal */
1631 int (*pgio_done_cb
)(struct rpc_task
*, struct nfs_pgio_header
*);
1632 __u64 mds_offset
; /* Filelayout dense stripe */
1633 struct nfs_page_array page_array
;
1634 struct nfs_client
*ds_clp
; /* pNFS data server */
1635 u32 ds_commit_idx
; /* ds index if ds_clp is set */
1636 u32 pgio_mirror_idx
;/* mirror index in pgio layer */
1639 struct nfs_mds_commit_info
{
1641 atomic_long_t ncommit
;
1642 struct list_head list
;
1645 struct nfs_commit_info
;
1646 struct nfs_commit_data
;
1648 struct nfs_commit_completion_ops
{
1649 void (*completion
) (struct nfs_commit_data
*data
);
1650 void (*resched_write
) (struct nfs_commit_info
*, struct nfs_page
*);
1653 struct nfs_commit_info
{
1654 struct inode
*inode
; /* Needed for inode->i_lock */
1655 struct nfs_mds_commit_info
*mds
;
1656 struct pnfs_ds_commit_info
*ds
;
1657 struct nfs_direct_req
*dreq
; /* O_DIRECT request */
1658 const struct nfs_commit_completion_ops
*completion_ops
;
1661 struct nfs_commit_data
{
1662 struct rpc_task task
;
1663 struct inode
*inode
;
1664 const struct cred
*cred
;
1665 struct nfs_fattr fattr
;
1666 struct nfs_writeverf verf
;
1667 struct list_head pages
; /* Coalesced requests we wish to flush */
1668 struct list_head list
; /* lists of struct nfs_write_data */
1669 struct nfs_direct_req
*dreq
; /* O_DIRECT request */
1670 struct nfs_commitargs args
; /* argument struct */
1671 struct nfs_commitres res
; /* result struct */
1672 struct nfs_open_context
*context
;
1673 struct pnfs_layout_segment
*lseg
;
1674 struct nfs_client
*ds_clp
; /* pNFS data server */
1675 int ds_commit_index
;
1677 const struct rpc_call_ops
*mds_ops
;
1678 const struct nfs_commit_completion_ops
*completion_ops
;
1679 int (*commit_done_cb
) (struct rpc_task
*task
, struct nfs_commit_data
*data
);
1680 unsigned long flags
;
1683 struct nfs_pgio_completion_ops
{
1684 void (*error_cleanup
)(struct list_head
*head
, int);
1685 void (*init_hdr
)(struct nfs_pgio_header
*hdr
);
1686 void (*completion
)(struct nfs_pgio_header
*hdr
);
1687 void (*reschedule_io
)(struct nfs_pgio_header
*hdr
);
1690 struct nfs_unlinkdata
{
1691 struct nfs_removeargs args
;
1692 struct nfs_removeres res
;
1693 struct dentry
*dentry
;
1694 wait_queue_head_t wq
;
1695 const struct cred
*cred
;
1696 struct nfs_fattr dir_attr
;
1700 struct nfs_renamedata
{
1701 struct nfs_renameargs args
;
1702 struct nfs_renameres res
;
1703 const struct cred
*cred
;
1704 struct inode
*old_dir
;
1705 struct dentry
*old_dentry
;
1706 struct nfs_fattr old_fattr
;
1707 struct inode
*new_dir
;
1708 struct dentry
*new_dentry
;
1709 struct nfs_fattr new_fattr
;
1710 void (*complete
)(struct rpc_task
*, struct nfs_renamedata
*);
1715 struct nfs_access_entry
;
1718 struct nfs_subversion
;
1719 struct nfs_mount_info
;
1720 struct nfs_client_initdata
;
1721 struct nfs_pageio_descriptor
;
1725 * RPC procedure vector for NFSv2/NFSv3 demuxing
1727 struct nfs_rpc_ops
{
1728 u32 version
; /* Protocol version */
1729 const struct dentry_operations
*dentry_ops
;
1730 const struct inode_operations
*dir_inode_ops
;
1731 const struct inode_operations
*file_inode_ops
;
1732 const struct file_operations
*file_ops
;
1733 const struct nlmclnt_operations
*nlmclnt_ops
;
1735 int (*getroot
) (struct nfs_server
*, struct nfs_fh
*,
1736 struct nfs_fsinfo
*);
1737 int (*submount
) (struct fs_context
*, struct nfs_server
*);
1738 int (*try_get_tree
) (struct fs_context
*);
1739 int (*getattr
) (struct nfs_server
*, struct nfs_fh
*,
1740 struct nfs_fattr
*, struct nfs4_label
*,
1742 int (*setattr
) (struct dentry
*, struct nfs_fattr
*,
1744 int (*lookup
) (struct inode
*, struct dentry
*,
1745 struct nfs_fh
*, struct nfs_fattr
*,
1746 struct nfs4_label
*);
1747 int (*lookupp
) (struct inode
*, struct nfs_fh
*,
1748 struct nfs_fattr
*, struct nfs4_label
*);
1749 int (*access
) (struct inode
*, struct nfs_access_entry
*);
1750 int (*readlink
)(struct inode
*, struct page
*, unsigned int,
1752 int (*create
) (struct inode
*, struct dentry
*,
1753 struct iattr
*, int);
1754 int (*remove
) (struct inode
*, struct dentry
*);
1755 void (*unlink_setup
) (struct rpc_message
*, struct dentry
*, struct inode
*);
1756 void (*unlink_rpc_prepare
) (struct rpc_task
*, struct nfs_unlinkdata
*);
1757 int (*unlink_done
) (struct rpc_task
*, struct inode
*);
1758 void (*rename_setup
) (struct rpc_message
*msg
,
1759 struct dentry
*old_dentry
,
1760 struct dentry
*new_dentry
);
1761 void (*rename_rpc_prepare
)(struct rpc_task
*task
, struct nfs_renamedata
*);
1762 int (*rename_done
) (struct rpc_task
*task
, struct inode
*old_dir
, struct inode
*new_dir
);
1763 int (*link
) (struct inode
*, struct inode
*, const struct qstr
*);
1764 int (*symlink
) (struct inode
*, struct dentry
*, struct page
*,
1765 unsigned int, struct iattr
*);
1766 int (*mkdir
) (struct inode
*, struct dentry
*, struct iattr
*);
1767 int (*rmdir
) (struct inode
*, const struct qstr
*);
1768 int (*readdir
) (struct nfs_readdir_arg
*, struct nfs_readdir_res
*);
1769 int (*mknod
) (struct inode
*, struct dentry
*, struct iattr
*,
1771 int (*statfs
) (struct nfs_server
*, struct nfs_fh
*,
1772 struct nfs_fsstat
*);
1773 int (*fsinfo
) (struct nfs_server
*, struct nfs_fh
*,
1774 struct nfs_fsinfo
*);
1775 int (*pathconf
) (struct nfs_server
*, struct nfs_fh
*,
1776 struct nfs_pathconf
*);
1777 int (*set_capabilities
)(struct nfs_server
*, struct nfs_fh
*);
1778 int (*decode_dirent
)(struct xdr_stream
*, struct nfs_entry
*, bool);
1779 int (*pgio_rpc_prepare
)(struct rpc_task
*,
1780 struct nfs_pgio_header
*);
1781 void (*read_setup
)(struct nfs_pgio_header
*, struct rpc_message
*);
1782 int (*read_done
)(struct rpc_task
*, struct nfs_pgio_header
*);
1783 void (*write_setup
)(struct nfs_pgio_header
*, struct rpc_message
*,
1784 struct rpc_clnt
**);
1785 int (*write_done
)(struct rpc_task
*, struct nfs_pgio_header
*);
1786 void (*commit_setup
) (struct nfs_commit_data
*, struct rpc_message
*,
1787 struct rpc_clnt
**);
1788 void (*commit_rpc_prepare
)(struct rpc_task
*, struct nfs_commit_data
*);
1789 int (*commit_done
) (struct rpc_task
*, struct nfs_commit_data
*);
1790 int (*lock
)(struct file
*, int, struct file_lock
*);
1791 int (*lock_check_bounds
)(const struct file_lock
*);
1792 void (*clear_acl_cache
)(struct inode
*);
1793 void (*close_context
)(struct nfs_open_context
*ctx
, int);
1794 struct inode
* (*open_context
) (struct inode
*dir
,
1795 struct nfs_open_context
*ctx
,
1797 struct iattr
*iattr
,
1799 int (*have_delegation
)(struct inode
*, fmode_t
);
1800 struct nfs_client
*(*alloc_client
) (const struct nfs_client_initdata
*);
1801 struct nfs_client
*(*init_client
) (struct nfs_client
*,
1802 const struct nfs_client_initdata
*);
1803 void (*free_client
) (struct nfs_client
*);
1804 struct nfs_server
*(*create_server
)(struct fs_context
*);
1805 struct nfs_server
*(*clone_server
)(struct nfs_server
*, struct nfs_fh
*,
1806 struct nfs_fattr
*, rpc_authflavor_t
);
1810 * NFS_CALL(getattr, inode, (fattr));
1812 * NFS_PROTO(inode)->getattr(fattr);
1814 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1817 * Function vectors etc. for the NFS client
1819 extern const struct nfs_rpc_ops nfs_v2_clientops
;
1820 extern const struct nfs_rpc_ops nfs_v3_clientops
;
1821 extern const struct nfs_rpc_ops nfs_v4_clientops
;
1822 extern const struct rpc_version nfs_version2
;
1823 extern const struct rpc_version nfs_version3
;
1824 extern const struct rpc_version nfs_version4
;
1826 extern const struct rpc_version nfsacl_version3
;
1827 extern const struct rpc_program nfsacl_program
;