aboutsummaryrefslogtreecommitdiff
path: root/fs/ocfs2/dlm/dlmdebug.h
blob: d34a62a3a6257ee1f8ab6df186c0dc578f7138cc (plain)
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
/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 * dlmdebug.h
 *
 * Copyright (C) 2008 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.
 *
 */

#ifndef DLMDEBUG_H
#define DLMDEBUG_H

void dlm_print_one_mle(struct dlm_master_list_entry *mle);

#ifdef CONFIG_DEBUG_FS

struct dlm_debug_ctxt {
	struct kref debug_refcnt;
	struct dentry *debug_state_dentry;
	struct dentry *debug_lockres_dentry;
	struct dentry *debug_mle_dentry;
	struct dentry *debug_purgelist_dentry;
};

struct debug_buffer {
	int len;
	char *buf;
};

struct debug_lockres {
	int dl_len;
	char *dl_buf;
	struct dlm_ctxt *dl_ctxt;
	struct dlm_lock_resource *dl_res;
};

int dlm_debug_init(struct dlm_ctxt *dlm);
void dlm_debug_shutdown(struct dlm_ctxt *dlm);

int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm);
void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm);

int dlm_create_debugfs_root(void);
void dlm_destroy_debugfs_root(void);

#else

static int dlm_debug_init(struct dlm_ctxt *dlm)
{
	return 0;
}
static void dlm_debug_shutdown(struct dlm_ctxt *dlm)
{
}
static int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm)
{
	return 0;
}
static void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm)
{
}
static int dlm_create_debugfs_root(void)
{
	return 0;
}
static void dlm_destroy_debugfs_root(void)
{
}

#endif	/* CONFIG_DEBUG_FS */
#endif	/* DLMDEBUG_H */