fs/ocfs2/cluster/ocfs2_nodemanager.h

File Facts

System

Linux kernel

Corpus path

fs/ocfs2/cluster/ocfs2_nodemanager.h

Extension

.h

Size

702 bytes

Lines

29

Domain

Core OS

Bucket

VFS And Filesystem Core

Inferred role

Core OS: implementation source

Status

source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

• Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

#ifndef _OCFS2_NODEMANAGER_H
#define _OCFS2_NODEMANAGER_H

#define O2NM_API_VERSION	5

#define O2NM_MAX_NODES		255
#define O2NM_INVALID_NODE_NUM	255

/* host name, group name, cluster name all 64 bytes */
#define O2NM_MAX_NAME_LEN        64    // __NEW_UTS_LEN

/*
 * Maximum number of global heartbeat regions allowed.
 * **CAUTION**  Changing this number will break dlm compatibility.
 */
#define O2NM_MAX_REGIONS	32

#endif /* _OCFS2_NODEMANAGER_H */

Annotation

• Atlas domain: Core OS / VFS And Filesystem Core.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.