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 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
  58 static inline int dlm_debug_init(struct dlm_ctxt *dlm)
  59 {
  60         return 0;
  61 }
  62 static inline void dlm_debug_shutdown(struct dlm_ctxt *dlm)
  63 {
  64 }
  65 static inline int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm)
  66 {
  67         return 0;
  68 }
  69 static inline void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm)
  70 {
  71 }
  72 static inline int dlm_create_debugfs_root(void)
  73 {
  74         return 0;
  75 }
  76 static inline void dlm_destroy_debugfs_root(void)
  77 {
  78 }
  79
  80 #endif  /* CONFIG_DEBUG_FS */
  81 #endif  /* DLMDEBUG_H */