[linux-block.git] / fs / bcachefs / move.h

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

#include "btree_iter.h"
#include "buckets.h"
#include "io_types.h"
#include "move_types.h"

struct bch_read_bio;
struct moving_context;

enum data_cmd {
	DATA_SKIP,
	DATA_SCRUB,
	DATA_ADD_REPLICAS,
	DATA_REWRITE,
	DATA_PROMOTE,
};

struct data_opts {
	u16		target;
	u8		rewrite_dev;
	u8		nr_replicas;
	int		btree_insert_flags;
};

struct migrate_write {
	enum btree_id		btree_id;
	enum data_cmd		data_cmd;
	struct data_opts	data_opts;

	unsigned		nr_ptrs_reserved;

	struct moving_context	*ctxt;

	/* what we read: */
	struct bch_extent_ptr	ptr;
	u64			offset;

	struct bch_write_op	op;
};

void bch2_migrate_read_done(struct migrate_write *, struct bch_read_bio *);
int bch2_migrate_write_init(struct bch_fs *, struct migrate_write *,
			    struct write_point_specifier,
			    struct bch_io_opts,
			    enum data_cmd, struct data_opts,
			    enum btree_id, struct bkey_s_c);

typedef enum data_cmd (*move_pred_fn)(struct bch_fs *, void *,
				struct bkey_s_c,
				struct bch_io_opts *, struct data_opts *);

int bch2_move_data(struct bch_fs *, struct bch_ratelimit *,
		   struct write_point_specifier,
		   struct bpos, struct bpos,
		   move_pred_fn, void *,
		   struct bch_move_stats *);

int bch2_data_job(struct bch_fs *,
		  struct bch_move_stats *,
		  struct bch_ioctl_data);

#endif /* _BCACHEFS_MOVE_H */
Commit	Line	Data
1c6fdbd8 KO	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	#ifndef _BCACHEFS_MOVE_H
	3	#define _BCACHEFS_MOVE_H
	4
	5	#include "btree_iter.h"
	6	#include "buckets.h"
	7	#include "io_types.h"
	8	#include "move_types.h"
	9
	10	struct bch_read_bio;
	11	struct moving_context;
	12
	13	enum data_cmd {
	14	DATA_SKIP,
	15	DATA_SCRUB,
	16	DATA_ADD_REPLICAS,
	17	DATA_REWRITE,
	18	DATA_PROMOTE,
	19	};
	20
	21	struct data_opts {
	22	u16 target;
b88e971e KO	23	u8 rewrite_dev;
b88e971e KO	24	u8 nr_replicas;
1c6fdbd8 KO	25	int btree_insert_flags;
	26	};
	27
	28	struct migrate_write {
76426098	29	enum btree_id btree_id;
1c6fdbd8 KO	30	enum data_cmd data_cmd;
	31	struct data_opts data_opts;
	32
	33	unsigned nr_ptrs_reserved;
	34
	35	struct moving_context *ctxt;
	36
	37	/* what we read: */
	38	struct bch_extent_ptr ptr;
	39	u64 offset;
	40
	41	struct bch_write_op op;
	42	};
	43
	44	void bch2_migrate_read_done(struct migrate_write , struct bch_read_bio );
	45	int bch2_migrate_write_init(struct bch_fs , struct migrate_write ,
	46	struct write_point_specifier,
	47	struct bch_io_opts,
	48	enum data_cmd, struct data_opts,
76426098	49	enum btree_id, struct bkey_s_c);
1c6fdbd8 KO	50
1c6fdbd8 KO	51	typedef enum data_cmd (move_pred_fn)(struct bch_fs , void *,
26609b61	52	struct bkey_s_c,
1c6fdbd8 KO	53	struct bch_io_opts , struct data_opts );
	54
	55	int bch2_move_data(struct bch_fs , struct bch_ratelimit ,
	56	struct write_point_specifier,
	57	struct bpos, struct bpos,
	58	move_pred_fn, void *,
	59	struct bch_move_stats *);
	60
	61	int bch2_data_job(struct bch_fs *,
	62	struct bch_move_stats *,
	63	struct bch_ioctl_data);
	64
	65	#endif /* _BCACHEFS_MOVE_H */