LXR linux/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
  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