include/linux/raid/pq.h

File Facts

System

Linux kernel

Corpus path

include/linux/raid/pq.h

Extension

.h

Size

663 bytes

Lines

25

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

Detected Declarations

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

Annotated Snippet

#ifndef LINUX_RAID_PQ_H
#define LINUX_RAID_PQ_H

#include <linux/types.h>

#define RAID6_MIN_DISKS		4

void raid6_gen_syndrome(int disks, size_t bytes, void **ptrs);
void raid6_xor_syndrome(int disks, int start, int stop, size_t bytes,
		void **ptrs);
bool raid6_can_xor_syndrome(void);

void raid6_recov_2data(int disks, size_t bytes, int faila, int failb,
		void **ptrs);
void raid6_recov_datap(int disks, size_t bytes, int faila,
		void **ptrs);

#endif /* LINUX_RAID_PQ_H */

Annotation

• Immediate include surface: `linux/types.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.