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
|
/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "xlator.h"
#include "defaults.h"
#include "read-only-common.h"
static int32_t
worm_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
int32_t op_errno, fd_t *fd, dict_t *xdata)
{
STACK_UNWIND_STRICT (open, frame, op_ret, op_errno, fd, xdata);
return 0;
}
int32_t
worm_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
fd_t *fd, dict_t *xdata)
{
if ((((flags & O_ACCMODE) == O_WRONLY) ||
((flags & O_ACCMODE) == O_RDWR)) &&
!(flags & O_APPEND)) {
STACK_UNWIND_STRICT (open, frame, -1, EROFS, NULL, NULL);
return 0;
}
STACK_WIND (frame, worm_open_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->open, loc, flags, fd, xdata);
return 0;
}
int32_t
init (xlator_t *this)
{
if (!this->children || this->children->next) {
gf_log (this->name, GF_LOG_ERROR,
"translator not configured with exactly one child");
return -1;
}
if (!this->parents) {
gf_log (this->name, GF_LOG_WARNING,
"dangling volume. check volfile ");
}
return 0;
}
void
fini (xlator_t *this)
{
return;
}
struct xlator_fops fops = {
.open = worm_open,
.unlink = ro_unlink,
.rmdir = ro_rmdir,
.rename = ro_rename,
.truncate = ro_truncate,
.removexattr = ro_removexattr,
.fsyncdir = ro_fsyncdir,
.xattrop = ro_xattrop,
.inodelk = ro_inodelk,
.finodelk = ro_finodelk,
.entrylk = ro_entrylk,
.fentrylk = ro_fentrylk,
.lk = ro_lk,
};
struct xlator_cbks cbks = {
};
struct volume_options options[] = {
{ .key = {NULL} },
};
|
