1328970deSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*fa60ce2cSMasahiro Yamada /* 30c83ed8eSKurt Hackel * ocfs2_nodemanager.h 40c83ed8eSKurt Hackel * 50c83ed8eSKurt Hackel * Header describing the interface between userspace and the kernel 60c83ed8eSKurt Hackel * for the ocfs2_nodemanager module. 70c83ed8eSKurt Hackel * 80c83ed8eSKurt Hackel * Copyright (C) 2002, 2004 Oracle. All rights reserved. 90c83ed8eSKurt Hackel */ 100c83ed8eSKurt Hackel 110c83ed8eSKurt Hackel #ifndef _OCFS2_NODEMANAGER_H 120c83ed8eSKurt Hackel #define _OCFS2_NODEMANAGER_H 130c83ed8eSKurt Hackel 140c83ed8eSKurt Hackel #define O2NM_API_VERSION 5 150c83ed8eSKurt Hackel 160c83ed8eSKurt Hackel #define O2NM_MAX_NODES 255 170c83ed8eSKurt Hackel #define O2NM_INVALID_NODE_NUM 255 180c83ed8eSKurt Hackel 190c83ed8eSKurt Hackel /* host name, group name, cluster name all 64 bytes */ 200c83ed8eSKurt Hackel #define O2NM_MAX_NAME_LEN 64 // __NEW_UTS_LEN 210c83ed8eSKurt Hackel 22ea203441SSunil Mushran /* 23ea203441SSunil Mushran * Maximum number of global heartbeat regions allowed. 24ea203441SSunil Mushran * **CAUTION** Changing this number will break dlm compatibility. 25ea203441SSunil Mushran */ 26ea203441SSunil Mushran #define O2NM_MAX_REGIONS 32 27ea203441SSunil Mushran 280c83ed8eSKurt Hackel #endif /* _OCFS2_NODEMANAGER_H */ 29