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J. Bruce Fields0a3adad2009-11-04 18:12:35 -05001/*
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
J. Bruce Fields1557aca2009-12-04 19:36:06 -05008#include "nfsfh.h"
9
J. Bruce Fields0a3adad2009-11-04 18:12:35 -050010/*
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
24#define NFSD_MAY_CREATE (NFSD_MAY_EXEC|NFSD_MAY_WRITE)
25#define NFSD_MAY_REMOVE (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
26
27/*
28 * Callback function for readdir
29 */
30typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
31
32/* nfsd/vfs.c */
33int fh_lock_parent(struct svc_fh *, struct dentry *);
34int nfsd_racache_init(int);
35void nfsd_racache_shutdown(void);
36int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
37 struct svc_export **expp);
38__be32 nfsd_lookup(struct svc_rqst *, struct svc_fh *,
39 const char *, unsigned int, struct svc_fh *);
40__be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
41 const char *, unsigned int,
42 struct svc_export **, struct dentry **);
43__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
44 struct iattr *, int, time_t);
J. Bruce Fields3227fa42009-10-25 21:43:01 -040045int nfsd_mountpoint(struct dentry *, struct svc_export *);
J. Bruce Fields0a3adad2009-11-04 18:12:35 -050046#ifdef CONFIG_NFSD_V4
47__be32 nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
48 struct nfs4_acl *);
49int nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
50#endif /* CONFIG_NFSD_V4 */
51__be32 nfsd_create(struct svc_rqst *, struct svc_fh *,
52 char *name, int len, struct iattr *attrs,
53 int type, dev_t rdev, struct svc_fh *res);
54#ifdef CONFIG_NFSD_V3
55__be32 nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
56__be32 nfsd_create_v3(struct svc_rqst *, struct svc_fh *,
57 char *name, int len, struct iattr *attrs,
58 struct svc_fh *res, int createmode,
59 u32 *verifier, int *truncp, int *created);
60__be32 nfsd_commit(struct svc_rqst *, struct svc_fh *,
61 loff_t, unsigned long);
62#endif /* CONFIG_NFSD_V3 */
63__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, int,
64 int, struct file **);
65void nfsd_close(struct file *);
66__be32 nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *,
67 loff_t, struct kvec *, int, unsigned long *);
68__be32 nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
69 loff_t, struct kvec *,int, unsigned long *, int *);
70__be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *,
71 char *, int *);
72__be32 nfsd_symlink(struct svc_rqst *, struct svc_fh *,
73 char *name, int len, char *path, int plen,
74 struct svc_fh *res, struct iattr *);
75__be32 nfsd_link(struct svc_rqst *, struct svc_fh *,
76 char *, int, struct svc_fh *);
77__be32 nfsd_rename(struct svc_rqst *,
78 struct svc_fh *, char *, int,
79 struct svc_fh *, char *, int);
80__be32 nfsd_remove(struct svc_rqst *,
81 struct svc_fh *, char *, int);
82__be32 nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
83 char *name, int len);
84int nfsd_truncate(struct svc_rqst *, struct svc_fh *,
85 unsigned long size);
86__be32 nfsd_readdir(struct svc_rqst *, struct svc_fh *,
87 loff_t *, struct readdir_cd *, filldir_t);
88__be32 nfsd_statfs(struct svc_rqst *, struct svc_fh *,
89 struct kstatfs *, int access);
90
91int nfsd_notify_change(struct inode *, struct iattr *);
92__be32 nfsd_permission(struct svc_rqst *, struct svc_export *,
93 struct dentry *, int);
94int nfsd_sync_dir(struct dentry *dp);
95
96#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
97struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
98int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
99#endif
100
101#endif /* LINUX_NFSD_VFS_H */