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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright 2023 Red Hat4 */5 6#ifndef VDO_IO_SUBMITTER_H7#define VDO_IO_SUBMITTER_H8 9#include <linux/bio.h>10 11#include "types.h"12 13struct io_submitter;14 15int vdo_make_io_submitter(unsigned int thread_count, unsigned int rotation_interval,16 unsigned int max_requests_active, struct vdo *vdo,17 struct io_submitter **io_submitter);18 19void vdo_cleanup_io_submitter(struct io_submitter *io_submitter);20 21void vdo_free_io_submitter(struct io_submitter *io_submitter);22 23void vdo_submit_vio(struct vdo_completion *completion);24 25void vdo_submit_data_vio(struct data_vio *data_vio);26 27void __submit_metadata_vio(struct vio *vio, physical_block_number_t physical,28 bio_end_io_t callback, vdo_action_fn error_handler,29 blk_opf_t operation, char *data);30 31static inline void vdo_submit_metadata_vio(struct vio *vio, physical_block_number_t physical,32 bio_end_io_t callback, vdo_action_fn error_handler,33 blk_opf_t operation)34{35 __submit_metadata_vio(vio, physical, callback, error_handler,36 operation, vio->data);37}38 39static inline void vdo_submit_flush_vio(struct vio *vio, bio_end_io_t callback,40 vdo_action_fn error_handler)41{42 /* FIXME: Can we just use REQ_OP_FLUSH? */43 __submit_metadata_vio(vio, 0, callback, error_handler,44 REQ_OP_WRITE | REQ_PREFLUSH, NULL);45}46 47#endif /* VDO_IO_SUBMITTER_H */48