1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_EC_TYPES_H
3 #define _BCACHEFS_EC_TYPES_H
4 
5 #include "bcachefs_format.h"
6 
7 struct bch_replicas_padded {
8 	struct bch_replicas_entry_v1	e;
9 	u8				pad[BCH_BKEY_PTRS_MAX];
10 };
11 
12 struct stripe {
13 	size_t			heap_idx;
14 	u16			sectors;
15 	u8			algorithm;
16 	u8			nr_blocks;
17 	u8			nr_redundant;
18 	u8			blocks_nonempty;
19 	u8			disk_label;
20 };
21 
22 struct gc_stripe {
23 	u16			sectors;
24 
25 	u8			nr_blocks;
26 	u8			nr_redundant;
27 
28 	unsigned		alive:1; /* does a corresponding key exist in stripes btree? */
29 	u16			block_sectors[BCH_BKEY_PTRS_MAX];
30 	struct bch_extent_ptr	ptrs[BCH_BKEY_PTRS_MAX];
31 
32 	struct bch_replicas_padded r;
33 };
34 
35 struct ec_stripe_heap_entry {
36 	size_t			idx;
37 	unsigned		blocks_nonempty;
38 };
39 
40 typedef DEFINE_MIN_HEAP(struct ec_stripe_heap_entry, ec_stripes_heap) ec_stripes_heap;
41 
42 #endif /* _BCACHEFS_EC_TYPES_H */
43