1/*
2 * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
3 */
4
5#ifndef LINUX_NFSD_VFS_H
6#define LINUX_NFSD_VFS_H
7
8#include "nfsfh.h"
9
10/*
11 * Flags for nfsd_permission
12 */
13#define NFSD_MAY_NOP		0
14#define NFSD_MAY_EXEC		1 /* == MAY_EXEC */
15#define NFSD_MAY_WRITE		2 /* == MAY_WRITE */
16#define NFSD_MAY_READ		4 /* == MAY_READ */
17#define NFSD_MAY_SATTR		8
18#define NFSD_MAY_TRUNC		16
19#define NFSD_MAY_LOCK		32
20#define NFSD_MAY_OWNER_OVERRIDE	64
21#define NFSD_MAY_LOCAL_ACCESS	128 /* IRIX doing local access check on device special file*/
22#define NFSD_MAY_BYPASS_GSS_ON_ROOT 256
23#define NFSD_MAY_NOT_BREAK_LEASE 512
24
25#define NFSD_MAY_CREATE		(NFSD_MAY_EXEC|NFSD_MAY_WRITE)
26#define NFSD_MAY_REMOVE		(NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
27
28/*
29 * Callback function for readdir
30 */
31typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
32
33/* nfsd/vfs.c */
34int		fh_lock_parent(struct svc_fh *, struct dentry *);
35int		nfsd_racache_init(int);
36void		nfsd_racache_shutdown(void);
37int		nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
38		                struct svc_export **expp);
39__be32		nfsd_lookup(struct svc_rqst *, struct svc_fh *,
40				const char *, unsigned int, struct svc_fh *);
41__be32		 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
42				const char *, unsigned int,
43				struct svc_export **, struct dentry **);
44__be32		nfsd_setattr(struct svc_rqst *, struct svc_fh *,
45				struct iattr *, int, time_t);
46int nfsd_mountpoint(struct dentry *, struct svc_export *);
47#ifdef CONFIG_NFSD_V4
48__be32          nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
49                    struct nfs4_acl *);
50int             nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
51#endif /* CONFIG_NFSD_V4 */
52__be32		nfsd_create(struct svc_rqst *, struct svc_fh *,
53				char *name, int len, struct iattr *attrs,
54				int type, dev_t rdev, struct svc_fh *res);
55#ifdef CONFIG_NFSD_V3
56__be32		nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
57__be32		nfsd_create_v3(struct svc_rqst *, struct svc_fh *,
58				char *name, int len, struct iattr *attrs,
59				struct svc_fh *res, int createmode,
60				u32 *verifier, int *truncp, int *created);
61__be32		nfsd_commit(struct svc_rqst *, struct svc_fh *,
62				loff_t, unsigned long);
63#endif /* CONFIG_NFSD_V3 */
64__be32		nfsd_open(struct svc_rqst *, struct svc_fh *, int,
65				int, struct file **);
66void		nfsd_close(struct file *);
67__be32 		nfsd_read(struct svc_rqst *, struct svc_fh *,
68				loff_t, struct kvec *, int, unsigned long *);
69__be32 		nfsd_read_file(struct svc_rqst *, struct svc_fh *, struct file *,
70				loff_t, struct kvec *, int, unsigned long *);
71__be32 		nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
72				loff_t, struct kvec *,int, unsigned long *, int *);
73__be32		nfsd_readlink(struct svc_rqst *, struct svc_fh *,
74				char *, int *);
75__be32		nfsd_symlink(struct svc_rqst *, struct svc_fh *,
76				char *name, int len, char *path, int plen,
77				struct svc_fh *res, struct iattr *);
78__be32		nfsd_link(struct svc_rqst *, struct svc_fh *,
79				char *, int, struct svc_fh *);
80__be32		nfsd_rename(struct svc_rqst *,
81				struct svc_fh *, char *, int,
82				struct svc_fh *, char *, int);
83__be32		nfsd_remove(struct svc_rqst *,
84				struct svc_fh *, char *, int);
85__be32		nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
86				char *name, int len);
87int		nfsd_truncate(struct svc_rqst *, struct svc_fh *,
88				unsigned long size);
89__be32		nfsd_readdir(struct svc_rqst *, struct svc_fh *,
90			     loff_t *, struct readdir_cd *, filldir_t);
91__be32		nfsd_statfs(struct svc_rqst *, struct svc_fh *,
92				struct kstatfs *, int access);
93
94int		nfsd_notify_change(struct inode *, struct iattr *);
95__be32		nfsd_permission(struct svc_rqst *, struct svc_export *,
96				struct dentry *, int);
97int		nfsd_sync_dir(struct dentry *dp);
98
99#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
100struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
101int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
102#endif
103
104#endif /* LINUX_NFSD_VFS_H */
105