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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2023 Red Hat
*/
#ifndef VDO_IO_SUBMITTER_H
#define VDO_IO_SUBMITTER_H
#include <linux/bio.h>
#include "types.h"
struct io_submitter;
int vdo_make_io_submitter(unsigned int thread_count, unsigned int rotation_interval,
unsigned int max_requests_active, struct vdo *vdo,
struct io_submitter **io_submitter);
void vdo_cleanup_io_submitter(struct io_submitter *io_submitter);
void vdo_free_io_submitter(struct io_submitter *io_submitter);
void vdo_submit_vio(struct vdo_completion *completion);
void vdo_submit_data_vio(struct data_vio *data_vio);
void __submit_metadata_vio(struct vio *vio, physical_block_number_t physical,
bio_end_io_t callback, vdo_action_fn error_handler,
blk_opf_t operation, char *data);
static inline void vdo_submit_metadata_vio(struct vio *vio, physical_block_number_t physical,
bio_end_io_t callback, vdo_action_fn error_handler,
blk_opf_t operation)
{
__submit_metadata_vio(vio, physical, callback, error_handler,
operation, vio->data);
}
static inline void vdo_submit_flush_vio(struct vio *vio, bio_end_io_t callback,
vdo_action_fn error_handler)
{
/* FIXME: Can we just use REQ_OP_FLUSH? */
__submit_metadata_vio(vio, 0, callback, error_handler,
REQ_OP_WRITE | REQ_PREFLUSH, NULL);
}
#endif /* VDO_IO_SUBMITTER_H */
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