1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _NFS_GENERICS_H_
#define _NFS_GENERICS_H_
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "nfs.h"
#include "xlator.h"
#include "nfs-fops.h"
#include "nfs-inodes.h"
struct nfs_direntcache {
gf_dirent_t entries; /* Head of list of cached dirents. */
gf_dirent_t *next; /* Pointer to the next entry that
* should be sent by readdir */
uint64_t prev_off; /* Offset where the next read will
* happen.
*/
};
/* WE're trying to abstract the fops interface from the NFS xlator so that
* different NFS versions can simply call a standard interface and have fop
* interface dependent functions be handled internally.
* This structure is part of such an abstraction. The fops layer stores any
* state is requires in the fd. For eg, the dirent cache for a directory fd_t.
*/
typedef struct nfs_fop_fdcontext {
pthread_mutex_t lock;
size_t dirent_bufsize;
off_t offset;
struct nfs_direntcache *dcache;
xlator_t *dirvol;
} nfs_fdctx_t;
extern int
nfs_fstat (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, fop_stat_cbk_t cbk,
void *local);
extern int
nfs_readdirp (xlator_t *xl, nfs_user_t *nfu, fd_t *dirfd, size_t bufsize,
off_t offset, fop_readdir_cbk_t cbk, void *local);
extern int
nfs_lookup (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
fop_lookup_cbk_t cbk, void *local);
extern int
nfs_create (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, int flags,
mode_t mode, fop_create_cbk_t cbk, void *local);
extern int
nfs_flush (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, fop_flush_cbk_t cbk,
void *local);
extern int
nfs_mkdir (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, mode_t mode,
fop_mkdir_cbk_t cbk, void *local);
extern int
nfs_truncate (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, off_t offset,
fop_truncate_cbk_t cbk, void *local);
extern int
nfs_read (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, size_t size,
off_t offset, fop_readv_cbk_t cbk, void *local);
extern int
nfs_fsync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, int32_t datasync,
fop_fsync_cbk_t cbk, void *local);
extern int
nfs_write (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, struct iobuf *srciob,
struct iovec *vector, int32_t count, off_t offset,
fop_writev_cbk_t cbk, void *local);
extern int
nfs_open (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, int32_t flags,
fop_open_cbk_t cbk, void *local);
extern int
nfs_rename (xlator_t *xl, nfs_user_t *nfu, loc_t *oldloc, loc_t *newloc,
fop_rename_cbk_t cbk, void *local);
extern int
nfs_link (xlator_t *xl, nfs_user_t *nfu, loc_t *oldloc, loc_t *newloc,
fop_link_cbk_t cbk, void *local);
extern int
nfs_unlink (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
fop_unlink_cbk_t cbk, void *local);
extern int
nfs_rmdir (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
fop_rmdir_cbk_t cbk, void *local);
extern int
nfs_mknod (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, mode_t mode,
dev_t dev, fop_mknod_cbk_t cbk, void *local);
extern int
nfs_readlink (xlator_t *xl, nfs_user_t *nfu, loc_t *linkloc,
fop_readlink_cbk_t cbk, void *local);
extern int
nfs_setattr (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
struct iatt *buf, int32_t valid, fop_setattr_cbk_t cbk,
void *local);
extern int
nfs_statfs (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
fop_statfs_cbk_t cbk, void *local);
extern int
nfs_stat (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, fop_stat_cbk_t cbk
, void *local);
extern int
nfs_symlink (xlator_t *xl, nfs_user_t *nfu, char *target, loc_t *linkloc,
fop_symlink_cbk_t cbk, void *local);
/* Synchronous equivalents */
extern call_stub_t *
nfs_open_sync (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
int32_t flags);
extern int
nfs_readdir_sync (xlator_t *nfsx, xlator_t *fopxl, nfs_user_t *nfu,
fd_t *dirfd, gf_dirent_t *entry);
extern call_stub_t *
nfs_flush_sync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd);
extern call_stub_t *
nfs_write_sync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, struct iobuf *srciob,
struct iovec *vec, int count, off_t offset);
extern call_stub_t *
nfs_fsync_sync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, int32_t datasync);
extern call_stub_t *
nfs_read_sync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, size_t size,
off_t offset);
extern call_stub_t *
nfs_opendir_sync (xlator_t *nfsx, xlator_t *fopxl, nfs_user_t *nfu,
loc_t *dirloc, size_t bufsize);
extern int
nfs_opendir (xlator_t *fopxl, nfs_user_t *nfu, loc_t *pathloc,
fop_opendir_cbk_t cbk, void *local);
#endif
|
