1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * dlmdebug.h
5 *
6 * Copyright (C) 2008 Oracle.  All rights reserved.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public
19 * License along with this program; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 021110-1307, USA.
22 *
23 */
24
25#ifndef DLMDEBUG_H
26#define DLMDEBUG_H
27
28void dlm_print_one_mle(struct dlm_master_list_entry *mle);
29
30#ifdef CONFIG_DEBUG_FS
31
32struct dlm_debug_ctxt {
33	struct kref debug_refcnt;
34	struct dentry *debug_state_dentry;
35	struct dentry *debug_lockres_dentry;
36	struct dentry *debug_mle_dentry;
37	struct dentry *debug_purgelist_dentry;
38};
39
40struct debug_lockres {
41	int dl_len;
42	char *dl_buf;
43	struct dlm_ctxt *dl_ctxt;
44	struct dlm_lock_resource *dl_res;
45};
46
47int dlm_debug_init(struct dlm_ctxt *dlm);
48void dlm_debug_shutdown(struct dlm_ctxt *dlm);
49
50int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm);
51void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm);
52
53int dlm_create_debugfs_root(void);
54void dlm_destroy_debugfs_root(void);
55
56#else
57
58static inline int dlm_debug_init(struct dlm_ctxt *dlm)
59{
60	return 0;
61}
62static inline void dlm_debug_shutdown(struct dlm_ctxt *dlm)
63{
64}
65static inline int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm)
66{
67	return 0;
68}
69static inline void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm)
70{
71}
72static inline int dlm_create_debugfs_root(void)
73{
74	return 0;
75}
76static inline void dlm_destroy_debugfs_root(void)
77{
78}
79
80#endif	/* CONFIG_DEBUG_FS */
81#endif	/* DLMDEBUG_H */
82