-void bch2_migrate_read_done(struct migrate_write *, struct bch_read_bio *);
-int bch2_migrate_write_init(struct bch_fs *, struct migrate_write *,
- struct bch_devs_mask *,
- struct write_point_specifier,
- struct bch_io_opts,
- enum data_cmd, struct data_opts,
- struct bkey_s_c);
-
-#define SECTORS_IN_FLIGHT_PER_DEVICE 2048
-
-typedef enum data_cmd (*move_pred_fn)(struct bch_fs *, void *,
- enum bkey_type, struct bkey_s_c_extent,
- struct bch_io_opts *, struct data_opts *);
-
-struct bch_move_stats {
- enum bch_data_type data_type;
- struct btree_iter iter;
+#define move_ctxt_wait_event_timeout(_ctxt, _cond, _timeout) \
+({ \
+ int _ret = 0; \
+ while (true) { \
+ bool cond_finished = false; \
+ bch2_moving_ctxt_do_pending_writes(_ctxt); \
+ \
+ if (_cond) \
+ break; \
+ bch2_trans_unlock_long((_ctxt)->trans); \
+ _ret = __wait_event_timeout((_ctxt)->wait, \
+ bch2_moving_ctxt_next_pending_write(_ctxt) || \
+ (cond_finished = (_cond)), _timeout); \
+ if (_ret || ( cond_finished)) \
+ break; \
+ } \
+ _ret; \
+})
+
+#define move_ctxt_wait_event(_ctxt, _cond) \
+do { \
+ bool cond_finished = false; \
+ bch2_moving_ctxt_do_pending_writes(_ctxt); \
+ \
+ if (_cond) \
+ break; \
+ bch2_trans_unlock_long((_ctxt)->trans); \
+ __wait_event((_ctxt)->wait, \
+ bch2_moving_ctxt_next_pending_write(_ctxt) || \
+ (cond_finished = (_cond))); \
+ if (cond_finished) \
+ break; \
+} while (1)
+
+typedef bool (*move_pred_fn)(struct bch_fs *, void *, struct bkey_s_c,
+ struct bch_io_opts *, struct data_update_opts *);
+
+extern const char * const bch2_data_ops_strs[];
+
+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);
+struct moving_io *bch2_moving_ctxt_next_pending_write(struct moving_context *);
+void bch2_moving_ctxt_do_pending_writes(struct moving_context *);
+void bch2_moving_ctxt_flush_all(struct moving_context *);
+void bch2_move_ctxt_wait_for_io(struct moving_context *);
+int bch2_move_ratelimit(struct moving_context *);
+
+/* Inodes in different snapshots may have different IO options: */
+struct snapshot_io_opts_entry {
+ u32 snapshot;
+ struct bch_io_opts io_opts;
+};