lib/raid/raid6/algos.h

Source file repositories/reference/linux-study-clean/lib/raid/raid6/algos.h

File Facts

System
Linux kernel
Corpus path
lib/raid/raid6/algos.h
Extension
.h
Size
1241 bytes
Lines
42
Domain
Kernel Services
Bucket
lib
Inferred role
Kernel Services: implementation source
Status
source implementation candidate

Why This File Exists

Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.

Dependency Surface

Detected Declarations

Annotated Snippet

struct raid6_calls {
	const char *name;
	void (*gen_syndrome)(int disks, size_t bytes, void **ptrs);
	void (*xor_syndrome)(int disks, int start, int stop, size_t bytes,
			void **ptrs);
};

struct raid6_recov_calls {
	const char *name;
	void (*data2)(int disks, size_t bytes, int faila, int failb,
			void **ptrs);
	void (*datap)(int disks, size_t bytes, int faila, void **ptrs);
};

void __init raid6_algo_add(const struct raid6_calls *algo);
void __init raid6_algo_add_default(void);
void __init raid6_recov_algo_add(const struct raid6_recov_calls *algo);

/* for the kunit test */
const struct raid6_calls *raid6_algo_find(unsigned int idx);
const struct raid6_recov_calls *raid6_recov_algo_find(unsigned int idx);

/* generic implementations */
extern const struct raid6_calls raid6_intx1;
extern const struct raid6_calls raid6_intx2;
extern const struct raid6_calls raid6_intx4;
extern const struct raid6_calls raid6_intx8;
extern const struct raid6_recov_calls raid6_recov_intx1;

#endif /* _PQ_IMPL_H */

Annotation

Implementation Notes