| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * ocfs2_nodemanager.h |
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| 4 | * |
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| 5 | * Header describing the interface between userspace and the kernel |
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| 6 | * for the ocfs2_nodemanager module. |
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| 7 | * |
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| 8 | * Copyright (C) 2002, 2004 Oracle. All rights reserved. |
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| 9 | */ |
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| 10 | |
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| 11 | #ifndef _OCFS2_NODEMANAGER_H |
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| 12 | #define _OCFS2_NODEMANAGER_H |
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| 13 | |
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| 14 | #define O2NM_API_VERSION 5 |
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| 15 | |
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| 16 | #define O2NM_MAX_NODES 255 |
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| 17 | #define O2NM_INVALID_NODE_NUM 255 |
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| 18 | |
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| 19 | /* host name, group name, cluster name all 64 bytes */ |
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| 20 | #define O2NM_MAX_NAME_LEN 64 // __NEW_UTS_LEN |
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| 21 | |
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| 22 | /* |
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| 23 | * Maximum number of global heartbeat regions allowed. |
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| 24 | * **CAUTION** Changing this number will break dlm compatibility. |
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| 25 | */ |
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| 26 | #define O2NM_MAX_REGIONS 32 |
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| 27 | |
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| 28 | #endif /* _OCFS2_NODEMANAGER_H */ |
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| 29 | |
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