1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_IO_WRITE_TYPES_H
3#define _BCACHEFS_IO_WRITE_TYPES_H
4
5#include "alloc_types.h"
6#include "btree_types.h"
7#include "buckets_types.h"
8#include "extents_types.h"
9#include "keylist_types.h"
10#include "opts.h"
11#include "super_types.h"
12
13#include <linux/llist.h>
14#include <linux/workqueue.h>
15
16struct bch_write_bio {
17	struct_group(wbio,
18	struct bch_fs		*c;
19	struct bch_write_bio	*parent;
20
21	u64			submit_time;
22	u64			inode_offset;
23
24	struct bch_devs_list	failed;
25	u8			dev;
26
27	unsigned		split:1,
28				bounce:1,
29				put_bio:1,
30				have_ioref:1,
31				nocow:1,
32				used_mempool:1,
33				first_btree_write:1;
34	);
35
36	struct bio		bio;
37};
38
39struct bch_write_op {
40	struct closure		cl;
41	struct bch_fs		*c;
42	void			(*end_io)(struct bch_write_op *);
43	u64			start_time;
44
45	unsigned		written; /* sectors */
46	u16			flags;
47	s16			error; /* dio write path expects it to hold -ERESTARTSYS... */
48
49	unsigned		compression_opt:8;
50	unsigned		csum_type:4;
51	unsigned		nr_replicas:4;
52	unsigned		nr_replicas_required:4;
53	unsigned		watermark:3;
54	unsigned		incompressible:1;
55	unsigned		stripe_waited:1;
56
57	struct bch_devs_list	devs_have;
58	u16			target;
59	u16			nonce;
60	struct bch_io_opts	opts;
61
62	u32			subvol;
63	struct bpos		pos;
64	struct bversion		version;
65
66	/* For BCH_WRITE_DATA_ENCODED: */
67	struct bch_extent_crc_unpacked crc;
68
69	struct write_point_specifier write_point;
70
71	struct write_point	*wp;
72	struct list_head	wp_list;
73
74	struct disk_reservation	res;
75
76	struct open_buckets	open_buckets;
77
78	u64			new_i_size;
79	s64			i_sectors_delta;
80
81	struct bch_devs_mask	failed;
82
83	struct keylist		insert_keys;
84	u64			inline_keys[BKEY_EXTENT_U64s_MAX * 2];
85
86	/*
87	 * Bitmask of devices that have had nocow writes issued to them since
88	 * last flush:
89	 */
90	struct bch_devs_mask	*devs_need_flush;
91
92	/* Must be last: */
93	struct bch_write_bio	wbio;
94};
95
96#endif /* _BCACHEFS_IO_WRITE_TYPES_H */
97