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 
28 void dlm_print_one_mle(struct dlm_master_list_entry *mle);
29 
30 #ifdef CONFIG_DEBUG_FS
31 
32 struct 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 
40 struct 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 
47 int dlm_debug_init(struct dlm_ctxt *dlm);
48 void dlm_debug_shutdown(struct dlm_ctxt *dlm);
49 
50 int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm);
51 void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm);
52 
53 int dlm_create_debugfs_root(void);
54 void dlm_destroy_debugfs_root(void);
55 
56 #else
57 
dlm_debug_init(struct dlm_ctxt * dlm)58 static inline int dlm_debug_init(struct dlm_ctxt *dlm)
59 {
60 	return 0;
61 }
dlm_debug_shutdown(struct dlm_ctxt * dlm)62 static inline void dlm_debug_shutdown(struct dlm_ctxt *dlm)
63 {
64 }
dlm_create_debugfs_subroot(struct dlm_ctxt * dlm)65 static inline int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm)
66 {
67 	return 0;
68 }
dlm_destroy_debugfs_subroot(struct dlm_ctxt * dlm)69 static inline void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm)
70 {
71 }
dlm_create_debugfs_root(void)72 static inline int dlm_create_debugfs_root(void)
73 {
74 	return 0;
75 }
dlm_destroy_debugfs_root(void)76 static inline void dlm_destroy_debugfs_root(void)
77 {
78 }
79 
80 #endif	/* CONFIG_DEBUG_FS */
81 #endif	/* DLMDEBUG_H */
82