linux-stable/fs/bcachefs/move.h

75 lines
1.6 KiB
C

/* 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;
};
int bch2_migrate_index_update(struct bch_write_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_scan_old_btree_nodes(struct bch_fs *, struct bch_move_stats *);
int bch2_move_data(struct bch_fs *,
enum btree_id, struct bpos,
enum btree_id, struct bpos,
struct bch_ratelimit *,
struct write_point_specifier,
move_pred_fn, void *,
struct bch_move_stats *);
int bch2_data_job(struct bch_fs *,
struct bch_move_stats *,
struct bch_ioctl_data);
inline void bch_move_stats_init(struct bch_move_stats *stats,
char *name);
#endif /* _BCACHEFS_MOVE_H */