include/uapi/linux/exfat.h

File Facts

System

Linux kernel

Corpus path

include/uapi/linux/exfat.h

Extension

.h

Size

603 bytes

Lines

26

Domain

Core OS

Bucket

Core Kernel Interface

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

• linux/types.h
• linux/ioctl.h

Detected Declarations

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

Annotated Snippet

#ifndef _UAPI_LINUX_EXFAT_H
#define _UAPI_LINUX_EXFAT_H
#include <linux/types.h>
#include <linux/ioctl.h>

/*
 * exfat-specific ioctl commands
 */

#define EXFAT_IOC_SHUTDOWN _IOR('X', 125, __u32)

/*
 * Flags used by EXFAT_IOC_SHUTDOWN
 */

#define EXFAT_GOING_DOWN_DEFAULT	0x0	/* default with full sync */
#define EXFAT_GOING_DOWN_FULLSYNC	0x1     /* going down with full sync*/
#define EXFAT_GOING_DOWN_NOSYNC         0x2     /* going down */

#endif /* _UAPI_LINUX_EXFAT_H */

Annotation

• Immediate include surface: `linux/types.h`, `linux/ioctl.h`.
• Atlas domain: Core OS / Core Kernel Interface.
• 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.