xref: /linux/fs/bcachefs/data_update.h (revision 5e2cb28dd7e182dfa641550dfa225913509ad45d)
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_write_op	op;
27 };
28 
29 int bch2_data_update_index_update(struct bch_write_op *);
30 
31 void bch2_data_update_read_done(struct data_update *,
32 				struct bch_extent_crc_unpacked);
33 
34 void bch2_data_update_exit(struct data_update *);
35 void bch2_update_unwritten_extent(struct btree_trans *, struct data_update *);
36 int bch2_data_update_init(struct btree_trans *, struct moving_context *,
37 			  struct data_update *,
38 			  struct write_point_specifier,
39 			  struct bch_io_opts, struct data_update_opts,
40 			  enum btree_id, struct bkey_s_c);
41 void bch2_data_update_opts_normalize(struct bkey_s_c, struct data_update_opts *);
42 
43 #endif /* _BCACHEFS_DATA_UPDATE_H */
44