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1/*
2 * linux/include/linux/nfsd/nfsd.h
3 *
4 * Hodge-podge collection of knfsd-related stuff.
5 * I will sort this out later.
6 *
7 * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
8 */
9
10#ifndef LINUX_NFSD_NFSD_H
11#define LINUX_NFSD_NFSD_H
12
13#include <linux/types.h>
14#include <linux/unistd.h>
15#include <linux/fs.h>
16#include <linux/posix_acl.h>
17#include <linux/mount.h>
18
19#include <linux/nfsd/debug.h>
20#include <linux/nfsd/nfsfh.h>
21#include <linux/nfsd/export.h>
22#include <linux/nfsd/stats.h>
23/*
24 * nfsd version
25 */
26#define NFSD_SUPPORTED_MINOR_VERSION 1
27
28/*
29 * Flags for nfsd_permission
30 */
31#define NFSD_MAY_NOP 0
32#define NFSD_MAY_EXEC 1 /* == MAY_EXEC */
33#define NFSD_MAY_WRITE 2 /* == MAY_WRITE */
34#define NFSD_MAY_READ 4 /* == MAY_READ */
35#define NFSD_MAY_SATTR 8
36#define NFSD_MAY_TRUNC 16
37#define NFSD_MAY_LOCK 32
38#define NFSD_MAY_OWNER_OVERRIDE 64
39#define NFSD_MAY_LOCAL_ACCESS 128 /* IRIX doing local access check on device special file*/
40#define NFSD_MAY_BYPASS_GSS_ON_ROOT 256
41
42#define NFSD_MAY_CREATE (NFSD_MAY_EXEC|NFSD_MAY_WRITE)
43#define NFSD_MAY_REMOVE (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
44
45/*
46 * Callback function for readdir
47 */
48struct readdir_cd {
49 __be32 err; /* 0, nfserr, or nfserr_eof */
50};
51typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
52
53extern struct svc_program nfsd_program;
54extern struct svc_version nfsd_version2, nfsd_version3,
55 nfsd_version4;
56extern u32 nfsd_supported_minorversion;
57extern struct mutex nfsd_mutex;
58extern struct svc_serv *nfsd_serv;
59
60extern struct seq_operations nfs_exports_op;
61
62/*
63 * Function prototypes.
64 */
65int nfsd_svc(unsigned short port, int nrservs);
66int nfsd_dispatch(struct svc_rqst *rqstp, __be32 *statp);
67
68int nfsd_nrthreads(void);
69int nfsd_nrpools(void);
70int nfsd_get_nrthreads(int n, int *);
71int nfsd_set_nrthreads(int n, int *);
72
73/* nfsd/vfs.c */
74int fh_lock_parent(struct svc_fh *, struct dentry *);
75int nfsd_racache_init(int);
76void nfsd_racache_shutdown(void);
77int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
78 struct svc_export **expp);
79__be32 nfsd_lookup(struct svc_rqst *, struct svc_fh *,
80 const char *, unsigned int, struct svc_fh *);
81__be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
82 const char *, unsigned int,
83 struct svc_export **, struct dentry **);
84__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
85 struct iattr *, int, time_t);
86#ifdef CONFIG_NFSD_V4
87__be32 nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
88 struct nfs4_acl *);
89int nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
90#endif /* CONFIG_NFSD_V4 */
91__be32 nfsd_create(struct svc_rqst *, struct svc_fh *,
92 char *name, int len, struct iattr *attrs,
93 int type, dev_t rdev, struct svc_fh *res);
94#ifdef CONFIG_NFSD_V3
95__be32 nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
96__be32 nfsd_create_v3(struct svc_rqst *, struct svc_fh *,
97 char *name, int len, struct iattr *attrs,
98 struct svc_fh *res, int createmode,
99 u32 *verifier, int *truncp, int *created);
100__be32 nfsd_commit(struct svc_rqst *, struct svc_fh *,
101 loff_t, unsigned long);
102#endif /* CONFIG_NFSD_V3 */
103__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, int,
104 int, struct file **);
105void nfsd_close(struct file *);
106__be32 nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *,
107 loff_t, struct kvec *, int, unsigned long *);
108__be32 nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
109 loff_t, struct kvec *,int, unsigned long *, int *);
110__be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *,
111 char *, int *);
112__be32 nfsd_symlink(struct svc_rqst *, struct svc_fh *,
113 char *name, int len, char *path, int plen,
114 struct svc_fh *res, struct iattr *);
115__be32 nfsd_link(struct svc_rqst *, struct svc_fh *,
116 char *, int, struct svc_fh *);
117__be32 nfsd_rename(struct svc_rqst *,
118 struct svc_fh *, char *, int,
119 struct svc_fh *, char *, int);
120__be32 nfsd_remove(struct svc_rqst *,
121 struct svc_fh *, char *, int);
122__be32 nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
123 char *name, int len);
124int nfsd_truncate(struct svc_rqst *, struct svc_fh *,
125 unsigned long size);
126__be32 nfsd_readdir(struct svc_rqst *, struct svc_fh *,
127 loff_t *, struct readdir_cd *, filldir_t);
128__be32 nfsd_statfs(struct svc_rqst *, struct svc_fh *,
129 struct kstatfs *, int access);
130
131int nfsd_notify_change(struct inode *, struct iattr *);
132__be32 nfsd_permission(struct svc_rqst *, struct svc_export *,
133 struct dentry *, int);
134int nfsd_sync_dir(struct dentry *dp);
135
136#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
137#ifdef CONFIG_NFSD_V2_ACL
138extern struct svc_version nfsd_acl_version2;
139#else
140#define nfsd_acl_version2 NULL
141#endif
142#ifdef CONFIG_NFSD_V3_ACL
143extern struct svc_version nfsd_acl_version3;
144#else
145#define nfsd_acl_version3 NULL
146#endif
147struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
148int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
149#endif
150
151enum vers_op {NFSD_SET, NFSD_CLEAR, NFSD_TEST, NFSD_AVAIL };
152int nfsd_vers(int vers, enum vers_op change);
153int nfsd_minorversion(u32 minorversion, enum vers_op change);
154void nfsd_reset_versions(void);
155int nfsd_create_serv(void);
156
157extern int nfsd_max_blksize;
158
159/*
160 * NFSv4 State
161 */
162#ifdef CONFIG_NFSD_V4
163extern unsigned int max_delegations;
164int nfs4_state_init(void);
165void nfsd4_free_slabs(void);
166void nfs4_state_start(void);
167void nfs4_state_shutdown(void);
168time_t nfs4_lease_time(void);
169void nfs4_reset_lease(time_t leasetime);
170int nfs4_reset_recoverydir(char *recdir);
171#else
172static inline int nfs4_state_init(void) { return 0; }
173static inline void nfsd4_free_slabs(void) { }
174static inline void nfs4_state_start(void) { }
175static inline void nfs4_state_shutdown(void) { }
176static inline time_t nfs4_lease_time(void) { return 0; }
177static inline void nfs4_reset_lease(time_t leasetime) { }
178static inline int nfs4_reset_recoverydir(char *recdir) { return 0; }
179#endif
180
181/*
182 * lockd binding
183 */
184void nfsd_lockd_init(void);
185void nfsd_lockd_shutdown(void);
186
187
188/*
189 * These macros provide pre-xdr'ed values for faster operation.
190 */
191#define nfs_ok cpu_to_be32(NFS_OK)
192#define nfserr_perm cpu_to_be32(NFSERR_PERM)
193#define nfserr_noent cpu_to_be32(NFSERR_NOENT)
194#define nfserr_io cpu_to_be32(NFSERR_IO)
195#define nfserr_nxio cpu_to_be32(NFSERR_NXIO)
196#define nfserr_eagain cpu_to_be32(NFSERR_EAGAIN)
197#define nfserr_acces cpu_to_be32(NFSERR_ACCES)
198#define nfserr_exist cpu_to_be32(NFSERR_EXIST)
199#define nfserr_xdev cpu_to_be32(NFSERR_XDEV)
200#define nfserr_nodev cpu_to_be32(NFSERR_NODEV)
201#define nfserr_notdir cpu_to_be32(NFSERR_NOTDIR)
202#define nfserr_isdir cpu_to_be32(NFSERR_ISDIR)
203#define nfserr_inval cpu_to_be32(NFSERR_INVAL)
204#define nfserr_fbig cpu_to_be32(NFSERR_FBIG)
205#define nfserr_nospc cpu_to_be32(NFSERR_NOSPC)
206#define nfserr_rofs cpu_to_be32(NFSERR_ROFS)
207#define nfserr_mlink cpu_to_be32(NFSERR_MLINK)
208#define nfserr_opnotsupp cpu_to_be32(NFSERR_OPNOTSUPP)
209#define nfserr_nametoolong cpu_to_be32(NFSERR_NAMETOOLONG)
210#define nfserr_notempty cpu_to_be32(NFSERR_NOTEMPTY)
211#define nfserr_dquot cpu_to_be32(NFSERR_DQUOT)
212#define nfserr_stale cpu_to_be32(NFSERR_STALE)
213#define nfserr_remote cpu_to_be32(NFSERR_REMOTE)
214#define nfserr_wflush cpu_to_be32(NFSERR_WFLUSH)
215#define nfserr_badhandle cpu_to_be32(NFSERR_BADHANDLE)
216#define nfserr_notsync cpu_to_be32(NFSERR_NOT_SYNC)
217#define nfserr_badcookie cpu_to_be32(NFSERR_BAD_COOKIE)
218#define nfserr_notsupp cpu_to_be32(NFSERR_NOTSUPP)
219#define nfserr_toosmall cpu_to_be32(NFSERR_TOOSMALL)
220#define nfserr_serverfault cpu_to_be32(NFSERR_SERVERFAULT)
221#define nfserr_badtype cpu_to_be32(NFSERR_BADTYPE)
222#define nfserr_jukebox cpu_to_be32(NFSERR_JUKEBOX)
223#define nfserr_denied cpu_to_be32(NFSERR_DENIED)
224#define nfserr_deadlock cpu_to_be32(NFSERR_DEADLOCK)
225#define nfserr_expired cpu_to_be32(NFSERR_EXPIRED)
226#define nfserr_bad_cookie cpu_to_be32(NFSERR_BAD_COOKIE)
227#define nfserr_same cpu_to_be32(NFSERR_SAME)
228#define nfserr_clid_inuse cpu_to_be32(NFSERR_CLID_INUSE)
229#define nfserr_stale_clientid cpu_to_be32(NFSERR_STALE_CLIENTID)
230#define nfserr_resource cpu_to_be32(NFSERR_RESOURCE)
231#define nfserr_moved cpu_to_be32(NFSERR_MOVED)
232#define nfserr_nofilehandle cpu_to_be32(NFSERR_NOFILEHANDLE)
233#define nfserr_minor_vers_mismatch cpu_to_be32(NFSERR_MINOR_VERS_MISMATCH)
234#define nfserr_share_denied cpu_to_be32(NFSERR_SHARE_DENIED)
235#define nfserr_stale_stateid cpu_to_be32(NFSERR_STALE_STATEID)
236#define nfserr_old_stateid cpu_to_be32(NFSERR_OLD_STATEID)
237#define nfserr_bad_stateid cpu_to_be32(NFSERR_BAD_STATEID)
238#define nfserr_bad_seqid cpu_to_be32(NFSERR_BAD_SEQID)
239#define nfserr_symlink cpu_to_be32(NFSERR_SYMLINK)
240#define nfserr_not_same cpu_to_be32(NFSERR_NOT_SAME)
241#define nfserr_restorefh cpu_to_be32(NFSERR_RESTOREFH)
242#define nfserr_attrnotsupp cpu_to_be32(NFSERR_ATTRNOTSUPP)
243#define nfserr_bad_xdr cpu_to_be32(NFSERR_BAD_XDR)
244#define nfserr_openmode cpu_to_be32(NFSERR_OPENMODE)
245#define nfserr_locks_held cpu_to_be32(NFSERR_LOCKS_HELD)
246#define nfserr_op_illegal cpu_to_be32(NFSERR_OP_ILLEGAL)
247#define nfserr_grace cpu_to_be32(NFSERR_GRACE)
248#define nfserr_no_grace cpu_to_be32(NFSERR_NO_GRACE)
249#define nfserr_reclaim_bad cpu_to_be32(NFSERR_RECLAIM_BAD)
250#define nfserr_badname cpu_to_be32(NFSERR_BADNAME)
251#define nfserr_cb_path_down cpu_to_be32(NFSERR_CB_PATH_DOWN)
252#define nfserr_locked cpu_to_be32(NFSERR_LOCKED)
253#define nfserr_wrongsec cpu_to_be32(NFSERR_WRONGSEC)
254#define nfserr_badiomode cpu_to_be32(NFS4ERR_BADIOMODE)
255#define nfserr_badlayout cpu_to_be32(NFS4ERR_BADLAYOUT)
256#define nfserr_bad_session_digest cpu_to_be32(NFS4ERR_BAD_SESSION_DIGEST)
257#define nfserr_badsession cpu_to_be32(NFS4ERR_BADSESSION)
258#define nfserr_badslot cpu_to_be32(NFS4ERR_BADSLOT)
259#define nfserr_complete_already cpu_to_be32(NFS4ERR_COMPLETE_ALREADY)
260#define nfserr_conn_not_bound_to_session cpu_to_be32(NFS4ERR_CONN_NOT_BOUND_TO_SESSION)
261#define nfserr_deleg_already_wanted cpu_to_be32(NFS4ERR_DELEG_ALREADY_WANTED)
262#define nfserr_back_chan_busy cpu_to_be32(NFS4ERR_BACK_CHAN_BUSY)
263#define nfserr_layouttrylater cpu_to_be32(NFS4ERR_LAYOUTTRYLATER)
264#define nfserr_layoutunavailable cpu_to_be32(NFS4ERR_LAYOUTUNAVAILABLE)
265#define nfserr_nomatching_layout cpu_to_be32(NFS4ERR_NOMATCHING_LAYOUT)
266#define nfserr_recallconflict cpu_to_be32(NFS4ERR_RECALLCONFLICT)
267#define nfserr_unknown_layouttype cpu_to_be32(NFS4ERR_UNKNOWN_LAYOUTTYPE)
268#define nfserr_seq_misordered cpu_to_be32(NFS4ERR_SEQ_MISORDERED)
269#define nfserr_sequence_pos cpu_to_be32(NFS4ERR_SEQUENCE_POS)
270#define nfserr_req_too_big cpu_to_be32(NFS4ERR_REQ_TOO_BIG)
271#define nfserr_rep_too_big cpu_to_be32(NFS4ERR_REP_TOO_BIG)
272#define nfserr_rep_too_big_to_cache cpu_to_be32(NFS4ERR_REP_TOO_BIG_TO_CACHE)
273#define nfserr_retry_uncached_rep cpu_to_be32(NFS4ERR_RETRY_UNCACHED_REP)
274#define nfserr_unsafe_compound cpu_to_be32(NFS4ERR_UNSAFE_COMPOUND)
275#define nfserr_too_many_ops cpu_to_be32(NFS4ERR_TOO_MANY_OPS)
276#define nfserr_op_not_in_session cpu_to_be32(NFS4ERR_OP_NOT_IN_SESSION)
277#define nfserr_hash_alg_unsupp cpu_to_be32(NFS4ERR_HASH_ALG_UNSUPP)
278#define nfserr_clientid_busy cpu_to_be32(NFS4ERR_CLIENTID_BUSY)
279#define nfserr_pnfs_io_hole cpu_to_be32(NFS4ERR_PNFS_IO_HOLE)
280#define nfserr_seq_false_retry cpu_to_be32(NFS4ERR_SEQ_FALSE_RETRY)
281#define nfserr_bad_high_slot cpu_to_be32(NFS4ERR_BAD_HIGH_SLOT)
282#define nfserr_deadsession cpu_to_be32(NFS4ERR_DEADSESSION)
283#define nfserr_encr_alg_unsupp cpu_to_be32(NFS4ERR_ENCR_ALG_UNSUPP)
284#define nfserr_pnfs_no_layout cpu_to_be32(NFS4ERR_PNFS_NO_LAYOUT)
285#define nfserr_not_only_op cpu_to_be32(NFS4ERR_NOT_ONLY_OP)
286#define nfserr_wrong_cred cpu_to_be32(NFS4ERR_WRONG_CRED)
287#define nfserr_wrong_type cpu_to_be32(NFS4ERR_WRONG_TYPE)
288#define nfserr_dirdeleg_unavail cpu_to_be32(NFS4ERR_DIRDELEG_UNAVAIL)
289#define nfserr_reject_deleg cpu_to_be32(NFS4ERR_REJECT_DELEG)
290#define nfserr_returnconflict cpu_to_be32(NFS4ERR_RETURNCONFLICT)
291#define nfserr_deleg_revoked cpu_to_be32(NFS4ERR_DELEG_REVOKED)
292
293/* error codes for internal use */
294/* if a request fails due to kmalloc failure, it gets dropped.
295 * Client should resend eventually
296 */
297#define nfserr_dropit cpu_to_be32(30000)
298/* end-of-file indicator in readdir */
299#define nfserr_eof cpu_to_be32(30001)
300/* replay detected */
301#define nfserr_replay_me cpu_to_be32(11001)
302/* nfs41 replay detected */
303#define nfserr_replay_cache cpu_to_be32(11002)
304
305/* Check for dir entries '.' and '..' */
306#define isdotent(n, l) (l < 3 && n[0] == '.' && (l == 1 || n[1] == '.'))
307
308/*
309 * Time of server startup
310 */
311extern struct timeval nfssvc_boot;
312
313#ifdef CONFIG_NFSD_V4
314
315/* before processing a COMPOUND operation, we have to check that there
316 * is enough space in the buffer for XDR encode to succeed. otherwise,
317 * we might process an operation with side effects, and be unable to
318 * tell the client that the operation succeeded.
319 *
320 * COMPOUND_SLACK_SPACE - this is the minimum bytes of buffer space
321 * needed to encode an "ordinary" _successful_ operation. (GETATTR,
322 * READ, READDIR, and READLINK have their own buffer checks.) if we
323 * fall below this level, we fail the next operation with NFS4ERR_RESOURCE.
324 *
325 * COMPOUND_ERR_SLACK_SPACE - this is the minimum bytes of buffer space
326 * needed to encode an operation which has failed with NFS4ERR_RESOURCE.
327 * care is taken to ensure that we never fall below this level for any
328 * reason.
329 */
330#define COMPOUND_SLACK_SPACE 140 /* OP_GETFH */
331#define COMPOUND_ERR_SLACK_SPACE 12 /* OP_SETATTR */
332
333#define NFSD_LEASE_TIME (nfs4_lease_time())
334#define NFSD_LAUNDROMAT_MINTIMEOUT 10 /* seconds */
335
336/*
337 * The following attributes are currently not supported by the NFSv4 server:
338 * ARCHIVE (deprecated anyway)
339 * HIDDEN (unlikely to be supported any time soon)
340 * MIMETYPE (unlikely to be supported any time soon)
341 * QUOTA_* (will be supported in a forthcoming patch)
342 * SYSTEM (unlikely to be supported any time soon)
343 * TIME_BACKUP (unlikely to be supported any time soon)
344 * TIME_CREATE (unlikely to be supported any time soon)
345 */
346#define NFSD4_SUPPORTED_ATTRS_WORD0 \
347(FATTR4_WORD0_SUPPORTED_ATTRS | FATTR4_WORD0_TYPE | FATTR4_WORD0_FH_EXPIRE_TYPE \
348 | FATTR4_WORD0_CHANGE | FATTR4_WORD0_SIZE | FATTR4_WORD0_LINK_SUPPORT \
349 | FATTR4_WORD0_SYMLINK_SUPPORT | FATTR4_WORD0_NAMED_ATTR | FATTR4_WORD0_FSID \
350 | FATTR4_WORD0_UNIQUE_HANDLES | FATTR4_WORD0_LEASE_TIME | FATTR4_WORD0_RDATTR_ERROR \
351 | FATTR4_WORD0_ACLSUPPORT | FATTR4_WORD0_CANSETTIME | FATTR4_WORD0_CASE_INSENSITIVE \
352 | FATTR4_WORD0_CASE_PRESERVING | FATTR4_WORD0_CHOWN_RESTRICTED \
353 | FATTR4_WORD0_FILEHANDLE | FATTR4_WORD0_FILEID | FATTR4_WORD0_FILES_AVAIL \
354 | FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL | FATTR4_WORD0_FS_LOCATIONS | FATTR4_WORD0_HOMOGENEOUS \
355 | FATTR4_WORD0_MAXFILESIZE | FATTR4_WORD0_MAXLINK | FATTR4_WORD0_MAXNAME \
356 | FATTR4_WORD0_MAXREAD | FATTR4_WORD0_MAXWRITE | FATTR4_WORD0_ACL)
357
358#define NFSD4_SUPPORTED_ATTRS_WORD1 \
359(FATTR4_WORD1_MODE | FATTR4_WORD1_NO_TRUNC | FATTR4_WORD1_NUMLINKS \
360 | FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP | FATTR4_WORD1_RAWDEV \
361 | FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE | FATTR4_WORD1_SPACE_TOTAL \
362 | FATTR4_WORD1_SPACE_USED | FATTR4_WORD1_TIME_ACCESS | FATTR4_WORD1_TIME_ACCESS_SET \
363 | FATTR4_WORD1_TIME_DELTA | FATTR4_WORD1_TIME_METADATA \
364 | FATTR4_WORD1_TIME_MODIFY | FATTR4_WORD1_TIME_MODIFY_SET | FATTR4_WORD1_MOUNTED_ON_FILEID)
365
366#define NFSD4_SUPPORTED_ATTRS_WORD2 0
367
368#define NFSD4_1_SUPPORTED_ATTRS_WORD0 \
369 NFSD4_SUPPORTED_ATTRS_WORD0
370
371#define NFSD4_1_SUPPORTED_ATTRS_WORD1 \
372 NFSD4_SUPPORTED_ATTRS_WORD1
373
374#define NFSD4_1_SUPPORTED_ATTRS_WORD2 \
375 (NFSD4_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SUPPATTR_EXCLCREAT)
376
377static inline u32 nfsd_suppattrs0(u32 minorversion)
378{
379 return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD0
380 : NFSD4_SUPPORTED_ATTRS_WORD0;
381}
382
383static inline u32 nfsd_suppattrs1(u32 minorversion)
384{
385 return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD1
386 : NFSD4_SUPPORTED_ATTRS_WORD1;
387}
388
389static inline u32 nfsd_suppattrs2(u32 minorversion)
390{
391 return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD2
392 : NFSD4_SUPPORTED_ATTRS_WORD2;
393}
394
395/* These will return ERR_INVAL if specified in GETATTR or READDIR. */
396#define NFSD_WRITEONLY_ATTRS_WORD1 \
397(FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET)
398
399/* These are the only attrs allowed in CREATE/OPEN/SETATTR. */
400#define NFSD_WRITEABLE_ATTRS_WORD0 \
401(FATTR4_WORD0_SIZE | FATTR4_WORD0_ACL )
402#define NFSD_WRITEABLE_ATTRS_WORD1 \
403(FATTR4_WORD1_MODE | FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP \
404 | FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET)
405#define NFSD_WRITEABLE_ATTRS_WORD2 0
406
407#define NFSD_SUPPATTR_EXCLCREAT_WORD0 \
408 NFSD_WRITEABLE_ATTRS_WORD0
409/*
410 * we currently store the exclusive create verifier in the v_{a,m}time
411 * attributes so the client can't set these at create time using EXCLUSIVE4_1
412 */
413#define NFSD_SUPPATTR_EXCLCREAT_WORD1 \
414 (NFSD_WRITEABLE_ATTRS_WORD1 & \
415 ~(FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET))
416#define NFSD_SUPPATTR_EXCLCREAT_WORD2 \
417 NFSD_WRITEABLE_ATTRS_WORD2
418
419#endif /* CONFIG_NFSD_V4 */
420
421#endif /* LINUX_NFSD_NFSD_H */