fs/ocfs2/dlm/dlmdebug.h

   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 dentry *debug_state_dentry;
  34         struct dentry *debug_lockres_dentry;
  35         struct dentry *debug_mle_dentry;
  36         struct dentry *debug_purgelist_dentry;
  37 };
  38
  39 struct debug_lockres {
  40         int dl_len;
  41         char *dl_buf;
  42         struct dlm_ctxt *dl_ctxt;
  43         struct dlm_lock_resource *dl_res;
  44 };
  45
  46 int dlm_debug_init(struct dlm_ctxt *dlm);
  47 void dlm_debug_shutdown(struct dlm_ctxt *dlm);
  48
  49 int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm);
  50 void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm);
  51
  52 int dlm_create_debugfs_root(void);
  53 void dlm_destroy_debugfs_root(void);
  54
  55 #else
  56
  57 static inline int dlm_debug_init(struct dlm_ctxt *dlm)
  58 {
  59         return 0;
  60 }
  61 static inline void dlm_debug_shutdown(struct dlm_ctxt *dlm)
  62 {
  63 }
  64 static inline int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm)
  65 {
  66         return 0;
  67 }
  68 static inline void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm)
  69 {
  70 }
  71 static inline int dlm_create_debugfs_root(void)
  72 {
  73         return 0;
  74 }
  75 static inline void dlm_destroy_debugfs_root(void)
  76 {
  77 }
  78
  79 #endif  /* CONFIG_DEBUG_FS */
  80 #endif  /* DLMDEBUG_H */