xref: /linux/fs/bcachefs/data_update.h (revision 5755be5f15d9e651ed433e5dbf7b7b968efb3064)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #ifndef _BCACHEFS_DATA_UPDATE_H
4 #define _BCACHEFS_DATA_UPDATE_H
5 
6 #include "bkey_buf.h"
7 #include "io_write_types.h"
8 
9 struct moving_context;
10 
11 struct data_update_opts {
12 	unsigned	rewrite_ptrs;
13 	unsigned	kill_ptrs;
14 	u16		target;
15 	u8		extra_replicas;
16 	unsigned	btree_insert_flags;
17 	unsigned	write_flags;
18 };
19 
20 struct data_update {
21 	/* extent being updated: */
22 	enum btree_id		btree_id;
23 	struct bkey_buf		k;
24 	struct data_update_opts	data_opts;
25 	struct moving_context	*ctxt;
26 	struct bch_move_stats	*stats;
27 	struct bch_write_op	op;
28 };
29 
30 int bch2_data_update_index_update(struct bch_write_op *);
31 
32 void bch2_data_update_read_done(struct data_update *,
33 				struct bch_extent_crc_unpacked);
34 
35 int bch2_extent_drop_ptrs(struct btree_trans *,
36 			  struct btree_iter *,
37 			  struct bkey_s_c,
38 			  struct data_update_opts);
39 
40 void bch2_data_update_exit(struct data_update *);
41 int bch2_data_update_init(struct btree_trans *, struct btree_iter *,
42 			  struct moving_context *,
43 			  struct data_update *,
44 			  struct write_point_specifier,
45 			  struct bch_io_opts, struct data_update_opts,
46 			  enum btree_id, struct bkey_s_c);
47 void bch2_data_update_opts_normalize(struct bkey_s_c, struct data_update_opts *);
48 
49 #endif /* _BCACHEFS_DATA_UPDATE_H */
50