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
|
/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* Copyright (C) 2004, 2005 Oracle. All rights reserved.
*
* This program 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 2 of the License, or (at your option) any later version.
*
* This program 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/string.h>
#include <asm/uaccess.h>
#include "masklog.h"
struct mlog_bits mlog_and_bits = MLOG_BITS_RHS(MLOG_INITIAL_AND_MASK);
EXPORT_SYMBOL_GPL(mlog_and_bits);
struct mlog_bits mlog_not_bits = MLOG_BITS_RHS(0);
EXPORT_SYMBOL_GPL(mlog_not_bits);
static ssize_t mlog_mask_show(u64 mask, char *buf)
{
char *state;
if (__mlog_test_u64(mask, mlog_and_bits))
state = "allow";
else if (__mlog_test_u64(mask, mlog_not_bits))
state = "deny";
else
state = "off";
return snprintf(buf, PAGE_SIZE, "%s\n", state);
}
static ssize_t mlog_mask_store(u64 mask, const char *buf, size_t count)
{
if (!strnicmp(buf, "allow", 5)) {
__mlog_set_u64(mask, mlog_and_bits);
__mlog_clear_u64(mask, mlog_not_bits);
} else if (!strnicmp(buf, "deny", 4)) {
__mlog_set_u64(mask, mlog_not_bits);
__mlog_clear_u64(mask, mlog_and_bits);
} else if (!strnicmp(buf, "off", 3)) {
__mlog_clear_u64(mask, mlog_not_bits);
__mlog_clear_u64(mask, mlog_and_bits);
} else
return -EINVAL;
return count;
}
struct mlog_attribute {
struct attribute attr;
u64 mask;
};
#define to_mlog_attr(_attr) container_of(_attr, struct mlog_attribute, attr)
#define define_mask(_name) { \
.attr = { \
.name = #_name, \
.mode = S_IRUGO | S_IWUSR, \
}, \
.mask = ML_##_name, \
}
static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = {
define_mask(TCP),
define_mask(MSG),
define_mask(SOCKET),
define_mask(HEARTBEAT),
define_mask(HB_BIO),
define_mask(DLMFS),
define_mask(DLM),
define_mask(DLM_DOMAIN),
define_mask(DLM_THREAD),
define_mask(DLM_MASTER),
define_mask(DLM_RECOVERY),
define_mask(AIO),
define_mask(JOURNAL),
define_mask(SUPER),
define_mask(EXTENT_MAP),
define_mask(DLM_GLUE),
define_mask(BH_IO),
define_mask(UPTODATE),
define_mask(NAMEI),
define_mask(INODE),
define_mask(VOTE),
define_mask(DCACHE),
define_mask(CONN),
define_mask(QUORUM),
define_mask(EXPORT),
define_mask(XATTR),
define_mask(QUOTA),
define_mask(BASTS),
define_mask(RESERVATIONS),
define_mask(CLUSTER),
define_mask(ERROR),
define_mask(NOTICE),
define_mask(KTHREAD),
};
static struct attribute *mlog_attr_ptrs[MLOG_MAX_BITS] = {NULL, };
static ssize_t mlog_show(struct kobject *obj, struct attribute *attr,
char *buf)
{
struct mlog_attribute *mlog_attr = to_mlog_attr(attr);
return mlog_mask_show(mlog_attr->mask, buf);
}
static ssize_t mlog_store(struct kobject *obj, struct attribute *attr,
const char *buf, size_t count)
{
struct mlog_attribute *mlog_attr = to_mlog_attr(attr);
return mlog_mask_store(mlog_attr->mask, buf, count);
}
static const struct sysfs_ops mlog_attr_ops = {
.show = mlog_show,
.store = mlog_store,
};
static struct kobj_type mlog_ktype = {
.default_attrs = mlog_attr_ptrs,
.sysfs_ops = &mlog_attr_ops,
};
static struct kset mlog_kset = {
.kobj = {.ktype = &mlog_ktype},
};
int mlog_sys_init(struct kset *o2cb_kset)
{
int i = 0;
while (mlog_attrs[i].attr.mode) {
mlog_attr_ptrs[i] = &mlog_attrs[i].attr;
i++;
}
mlog_attr_ptrs[i] = NULL;
kobject_set_name(&mlog_kset.kobj, "logmask");
mlog_kset.kobj.kset = o2cb_kset;
return kset_register(&mlog_kset);
}
void mlog_sys_shutdown(void)
{
kset_unregister(&mlog_kset);
}
|
