drivers/md/dm-vdo/flush.h

Source file repositories/reference/linux-study-clean/drivers/md/dm-vdo/flush.h

File Facts

System
Linux kernel
Corpus path
drivers/md/dm-vdo/flush.h
Extension
.h
Size
1181 bytes
Lines
45
Domain
Driver Families
Bucket
drivers/md
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct vdo_flush {
	/* The completion for enqueueing this flush request. */
	struct vdo_completion completion;
	/* The flush bios covered by this request */
	struct bio_list bios;
	/* The wait queue entry for this flush */
	struct vdo_waiter waiter;
	/* Which flush this struct represents */
	sequence_number_t flush_generation;
};

struct flusher;

int __must_check vdo_make_flusher(struct vdo *vdo);

void vdo_free_flusher(struct flusher *flusher);

thread_id_t __must_check vdo_get_flusher_thread_id(struct flusher *flusher);

void vdo_complete_flushes(struct flusher *flusher);

void vdo_dump_flusher(const struct flusher *flusher);

void vdo_launch_flush(struct vdo *vdo, struct bio *bio);

void vdo_drain_flusher(struct flusher *flusher, struct vdo_completion *completion);

void vdo_resume_flusher(struct flusher *flusher, struct vdo_completion *parent);

#endif /* VDO_FLUSH_H */

Annotation

Implementation Notes