[mirror_ubuntu-bionic-kernel.git] / drivers / md / bcache / request.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHE_REQUEST_H_
#define _BCACHE_REQUEST_H_

struct data_insert_op {
	struct closure		cl;
	struct cache_set	*c;
	struct bio		*bio;
	struct workqueue_struct *wq;

	unsigned		inode;
	uint16_t		write_point;
	uint16_t		write_prio;
	blk_status_t		status;

	union {
		uint16_t	flags;

	struct {
		unsigned	bypass:1;
		unsigned	writeback:1;
		unsigned	flush_journal:1;
		unsigned	csum:1;

		unsigned	replace:1;
		unsigned	replace_collision:1;

		unsigned	insert_data_done:1;
	};
	};

	struct keylist		insert_keys;
	BKEY_PADDED(replace_key);
};

unsigned bch_get_congested(struct cache_set *);
void bch_data_insert(struct closure *cl);

void bch_cached_dev_request_init(struct cached_dev *dc);
void bch_flash_dev_request_init(struct bcache_device *d);

extern struct kmem_cache *bch_search_cache, *bch_passthrough_cache;

#endif /* _BCACHE_REQUEST_H_ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
cafe5635 KO	2	#ifndef _BCACHE_REQUEST_H_
	3	#define _BCACHE_REQUEST_H_
	4
220bb38c	5	struct data_insert_op {
cafe5635	6	struct closure cl;
c18536a7	7	struct cache_set *c;
220bb38c	8	struct bio *bio;
da415a09	9	struct workqueue_struct *wq;
cafe5635	10
c18536a7	11	unsigned inode;
2599b53b	12	uint16_t write_point;
220bb38c	13	uint16_t write_prio;
4e4cbee9	14	blk_status_t status;
c18536a7	15
a5ae4300 KO	16	union {
a5ae4300 KO	17	uint16_t flags;
c18536a7	18
a5ae4300 KO	19	struct {
	20	unsigned bypass:1;
	21	unsigned writeback:1;
	22	unsigned flush_journal:1;
	23	unsigned csum:1;
cafe5635	24
a5ae4300 KO	25	unsigned replace:1;
	26	unsigned replace_collision:1;
	27
	28	unsigned insert_data_done:1;
	29	};
	30	};
0b93207a	31
0b93207a	32	struct keylist insert_keys;
1b207d80	33	BKEY_PADDED(replace_key);
cafe5635 KO	34	};
cafe5635 KO	35
c37511b8	36	unsigned bch_get_congested(struct cache_set *);
a34a8bfd	37	void bch_data_insert(struct closure *cl);
cafe5635	38
cafe5635 KO	39	void bch_cached_dev_request_init(struct cached_dev *dc);
	40	void bch_flash_dev_request_init(struct bcache_device *d);
	41
	42	extern struct kmem_cache bch_search_cache, bch_passthrough_cache;
	43
cafe5635	44	#endif /* _BCACHE_REQUEST_H_ */