linux-stable/fs/bcachefs/move.h
Kent Overstreet 0337cc7eee bcachefs: move.c refactoring
- add bch2_moving_ctxt_(init|exit)
 - split out __bch2_evacutae_bucket() which takes an existing
   moving_ctxt, this will be used for improving copygc performance by
   pipelining across multiple buckets

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22 17:09:35 -04:00

57 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_MOVE_H
#define _BCACHEFS_MOVE_H
#include "btree_iter.h"
#include "buckets.h"
#include "data_update.h"
#include "move_types.h"
struct bch_read_bio;
struct moving_context {
struct bch_fs *c;
struct bch_ratelimit *rate;
struct bch_move_stats *stats;
struct write_point_specifier wp;
bool wait_on_copygc;
/* For waiting on outstanding reads and writes: */
struct closure cl;
struct list_head reads;
/* in flight sectors: */
atomic_t read_sectors;
atomic_t write_sectors;
wait_queue_head_t wait;
};
typedef bool (*move_pred_fn)(struct bch_fs *, void *, struct bkey_s_c,
struct bch_io_opts *, struct data_update_opts *);
void bch2_moving_ctxt_exit(struct moving_context *);
void bch2_moving_ctxt_init(struct moving_context *, struct bch_fs *,
struct bch_ratelimit *, struct bch_move_stats *,
struct write_point_specifier, bool);
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 bch_move_stats *,
struct write_point_specifier,
bool,
move_pred_fn, void *);
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 */