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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 0x001 /* == MAY_EXEC */
15#define NFSD_MAY_WRITE 0x002 /* == MAY_WRITE */
16#define NFSD_MAY_READ 0x004 /* == MAY_READ */
17#define NFSD_MAY_SATTR 0x008
18#define NFSD_MAY_TRUNC 0x010
19#define NFSD_MAY_LOCK 0x020
20#define NFSD_MAY_MASK 0x03f
21
22/* extra hints to permission and open routines: */
23#define NFSD_MAY_OWNER_OVERRIDE 0x040
24#define NFSD_MAY_LOCAL_ACCESS 0x080 /* for device special files */
25#define NFSD_MAY_BYPASS_GSS_ON_ROOT 0x100
26#define NFSD_MAY_NOT_BREAK_LEASE 0x200
27#define NFSD_MAY_BYPASS_GSS 0x400
28#define NFSD_MAY_READ_IF_EXEC 0x800
29
30#define NFSD_MAY_64BIT_COOKIE 0x1000 /* 64 bit readdir cookies for >= NFSv3 */
31
32#define NFSD_MAY_CREATE (NFSD_MAY_EXEC|NFSD_MAY_WRITE)
33#define NFSD_MAY_REMOVE (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
34
35/*
36 * Callback function for readdir
37 */
38typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
39
40/* nfsd/vfs.c */
41int fh_lock_parent(struct svc_fh *, struct dentry *);
42int nfsd_racache_init(int);
43void nfsd_racache_shutdown(void);
44int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
45 struct svc_export **expp);
46__be32 nfsd_lookup(struct svc_rqst *, struct svc_fh *,
47 const char *, unsigned int, struct svc_fh *);
48__be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
49 const char *, unsigned int,
50 struct svc_export **, struct dentry **);
51__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
52 struct iattr *, int, time_t);
53int nfsd_mountpoint(struct dentry *, struct svc_export *);
54#ifdef CONFIG_NFSD_V4
55__be32 nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
56 struct nfs4_acl *);
57int nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
58#endif /* CONFIG_NFSD_V4 */
59__be32 nfsd_create(struct svc_rqst *, struct svc_fh *,
60 char *name, int len, struct iattr *attrs,
61 int type, dev_t rdev, struct svc_fh *res);
62#ifdef CONFIG_NFSD_V3
63__be32 nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
64__be32 do_nfsd_create(struct svc_rqst *, struct svc_fh *,
65 char *name, int len, struct iattr *attrs,
66 struct svc_fh *res, int createmode,
67 u32 *verifier, bool *truncp, bool *created);
68__be32 nfsd_commit(struct svc_rqst *, struct svc_fh *,
69 loff_t, unsigned long);
70#endif /* CONFIG_NFSD_V3 */
71__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, umode_t,
72 int, struct file **);
73void nfsd_close(struct file *);
74__be32 nfsd_read(struct svc_rqst *, struct svc_fh *,
75 loff_t, struct kvec *, int, unsigned long *);
76__be32 nfsd_read_file(struct svc_rqst *, struct svc_fh *, struct file *,
77 loff_t, struct kvec *, int, unsigned long *);
78__be32 nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
79 loff_t, struct kvec *,int, unsigned long *, int *);
80__be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *,
81 char *, int *);
82__be32 nfsd_symlink(struct svc_rqst *, struct svc_fh *,
83 char *name, int len, char *path, int plen,
84 struct svc_fh *res, struct iattr *);
85__be32 nfsd_link(struct svc_rqst *, struct svc_fh *,
86 char *, int, struct svc_fh *);
87__be32 nfsd_rename(struct svc_rqst *,
88 struct svc_fh *, char *, int,
89 struct svc_fh *, char *, int);
90__be32 nfsd_remove(struct svc_rqst *,
91 struct svc_fh *, char *, int);
92__be32 nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
93 char *name, int len);
94int nfsd_truncate(struct svc_rqst *, struct svc_fh *,
95 unsigned long size);
96__be32 nfsd_readdir(struct svc_rqst *, struct svc_fh *,
97 loff_t *, struct readdir_cd *, filldir_t);
98__be32 nfsd_statfs(struct svc_rqst *, struct svc_fh *,
99 struct kstatfs *, int access);
100
101int nfsd_notify_change(struct inode *, struct iattr *);
102__be32 nfsd_permission(struct svc_rqst *, struct svc_export *,
103 struct dentry *, int);
104int nfsd_sync_dir(struct dentry *dp);
105
106#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
107struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
108int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
109#endif
110
111static inline int fh_want_write(struct svc_fh *fh)
112{
113 return mnt_want_write(fh->fh_export->ex_path.mnt);
114}
115
116static inline void fh_drop_write(struct svc_fh *fh)
117{
118 mnt_drop_write(fh->fh_export->ex_path.mnt);
119}
120
121#endif /* LINUX_NFSD_VFS_H */
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_MASK 63
21
22/* extra hints to permission and open routines: */
23#define NFSD_MAY_OWNER_OVERRIDE 64
24#define NFSD_MAY_LOCAL_ACCESS 128 /* IRIX doing local access check on device special file*/
25#define NFSD_MAY_BYPASS_GSS_ON_ROOT 256
26#define NFSD_MAY_NOT_BREAK_LEASE 512
27#define NFSD_MAY_BYPASS_GSS 1024
28
29#define NFSD_MAY_CREATE (NFSD_MAY_EXEC|NFSD_MAY_WRITE)
30#define NFSD_MAY_REMOVE (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
31
32/*
33 * Callback function for readdir
34 */
35typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
36
37/* nfsd/vfs.c */
38int fh_lock_parent(struct svc_fh *, struct dentry *);
39int nfsd_racache_init(int);
40void nfsd_racache_shutdown(void);
41int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
42 struct svc_export **expp);
43__be32 nfsd_lookup(struct svc_rqst *, struct svc_fh *,
44 const char *, unsigned int, struct svc_fh *);
45__be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
46 const char *, unsigned int,
47 struct svc_export **, struct dentry **);
48__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
49 struct iattr *, int, time_t);
50int nfsd_mountpoint(struct dentry *, struct svc_export *);
51#ifdef CONFIG_NFSD_V4
52__be32 nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
53 struct nfs4_acl *);
54int nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
55#endif /* CONFIG_NFSD_V4 */
56__be32 nfsd_create(struct svc_rqst *, struct svc_fh *,
57 char *name, int len, struct iattr *attrs,
58 int type, dev_t rdev, struct svc_fh *res);
59#ifdef CONFIG_NFSD_V3
60__be32 nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
61__be32 do_nfsd_create(struct svc_rqst *, struct svc_fh *,
62 char *name, int len, struct iattr *attrs,
63 struct svc_fh *res, int createmode,
64 u32 *verifier, int *truncp, int *created);
65__be32 nfsd_commit(struct svc_rqst *, struct svc_fh *,
66 loff_t, unsigned long);
67#endif /* CONFIG_NFSD_V3 */
68__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, int,
69 int, struct file **);
70void nfsd_close(struct file *);
71__be32 nfsd_read(struct svc_rqst *, struct svc_fh *,
72 loff_t, struct kvec *, int, unsigned long *);
73__be32 nfsd_read_file(struct svc_rqst *, struct svc_fh *, struct file *,
74 loff_t, struct kvec *, int, unsigned long *);
75__be32 nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
76 loff_t, struct kvec *,int, unsigned long *, int *);
77__be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *,
78 char *, int *);
79__be32 nfsd_symlink(struct svc_rqst *, struct svc_fh *,
80 char *name, int len, char *path, int plen,
81 struct svc_fh *res, struct iattr *);
82__be32 nfsd_link(struct svc_rqst *, struct svc_fh *,
83 char *, int, struct svc_fh *);
84__be32 nfsd_rename(struct svc_rqst *,
85 struct svc_fh *, char *, int,
86 struct svc_fh *, char *, int);
87__be32 nfsd_remove(struct svc_rqst *,
88 struct svc_fh *, char *, int);
89__be32 nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
90 char *name, int len);
91int nfsd_truncate(struct svc_rqst *, struct svc_fh *,
92 unsigned long size);
93__be32 nfsd_readdir(struct svc_rqst *, struct svc_fh *,
94 loff_t *, struct readdir_cd *, filldir_t);
95__be32 nfsd_statfs(struct svc_rqst *, struct svc_fh *,
96 struct kstatfs *, int access);
97
98int nfsd_notify_change(struct inode *, struct iattr *);
99__be32 nfsd_permission(struct svc_rqst *, struct svc_export *,
100 struct dentry *, int);
101int nfsd_sync_dir(struct dentry *dp);
102
103#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
104struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
105int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
106#endif
107
108#endif /* LINUX_NFSD_VFS_H */