ocfs2_nodemanager.h 1.4 KB

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  1. /* -*- mode: c; c-basic-offset: 8; -*-
  2. * vim: noexpandtab sw=8 ts=8 sts=0:
  3. *
  4. * ocfs2_nodemanager.h
  5. *
  6. * Header describing the interface between userspace and the kernel
  7. * for the ocfs2_nodemanager module.
  8. *
  9. * Copyright (C) 2002, 2004 Oracle. All rights reserved.
  10. *
  11. * This program is free software; you can redistribute it and/or
  12. * modify it under the terms of the GNU General Public
  13. * License as published by the Free Software Foundation; either
  14. * version 2 of the License, or (at your option) any later version.
  15. *
  16. * This program is distributed in the hope that it will be useful,
  17. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19. * General Public License for more details.
  20. *
  21. * You should have received a copy of the GNU General Public
  22. * License along with this program; if not, write to the
  23. * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24. * Boston, MA 021110-1307, USA.
  25. *
  26. */
  27. #ifndef _OCFS2_NODEMANAGER_H
  28. #define _OCFS2_NODEMANAGER_H
  29. #define O2NM_API_VERSION 5
  30. #define O2NM_MAX_NODES 255
  31. #define O2NM_INVALID_NODE_NUM 255
  32. /* host name, group name, cluster name all 64 bytes */
  33. #define O2NM_MAX_NAME_LEN 64 // __NEW_UTS_LEN
  34. /*
  35. * Maximum number of global heartbeat regions allowed.
  36. * **CAUTION** Changing this number will break dlm compatibility.
  37. */
  38. #define O2NM_MAX_REGIONS 32
  39. #endif /* _OCFS2_NODEMANAGER_H */