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kernel/linux-rt-4.4.41/fs/ocfs2/dlm/dlmdebug.h 2.01 KB
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  /* -*- mode: c; c-basic-offset: 8; -*-
   * vim: noexpandtab sw=8 ts=8 sts=0:
   *
   * dlmdebug.h
   *
   * Copyright (C) 2008 Oracle.  All rights reserved.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public
   * License along with this program; if not, write to the
   * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   * Boston, MA 021110-1307, USA.
   *
   */
  
  #ifndef DLMDEBUG_H
  #define DLMDEBUG_H
  
  void dlm_print_one_mle(struct dlm_master_list_entry *mle);
  
  #ifdef CONFIG_DEBUG_FS
  
  struct dlm_debug_ctxt {
  	struct kref debug_refcnt;
  	struct dentry *debug_state_dentry;
  	struct dentry *debug_lockres_dentry;
  	struct dentry *debug_mle_dentry;
  	struct dentry *debug_purgelist_dentry;
  };
  
  struct debug_lockres {
  	int dl_len;
  	char *dl_buf;
  	struct dlm_ctxt *dl_ctxt;
  	struct dlm_lock_resource *dl_res;
  };
  
  int dlm_debug_init(struct dlm_ctxt *dlm);
  void dlm_debug_shutdown(struct dlm_ctxt *dlm);
  
  int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm);
  void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm);
  
  int dlm_create_debugfs_root(void);
  void dlm_destroy_debugfs_root(void);
  
  #else
  
  static inline int dlm_debug_init(struct dlm_ctxt *dlm)
  {
  	return 0;
  }
  static inline void dlm_debug_shutdown(struct dlm_ctxt *dlm)
  {
  }
  static inline int dlm_create_debugfs_subroot(struct dlm_ctxt *dlm)
  {
  	return 0;
  }
  static inline void dlm_destroy_debugfs_subroot(struct dlm_ctxt *dlm)
  {
  }
  static inline int dlm_create_debugfs_root(void)
  {
  	return 0;
  }
  static inline void dlm_destroy_debugfs_root(void)
  {
  }
  
  #endif	/* CONFIG_DEBUG_FS */
  #endif	/* DLMDEBUG_H */