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 };
20
21 struct gc_stripe {
22 u16 sectors;
23
24 u8 nr_blocks;
25 u8 nr_redundant;
26
27 unsigned alive:1; /* does a corresponding key exist in stripes btree? */
28 u16 block_sectors[BCH_BKEY_PTRS_MAX];
29 struct bch_extent_ptr ptrs[BCH_BKEY_PTRS_MAX];
30
31 struct bch_replicas_padded r;
32 };
33
34 struct ec_stripe_heap_entry {
35 size_t idx;
36 unsigned blocks_nonempty;
37 };
38
39 typedef DEFINE_MIN_HEAP(struct ec_stripe_heap_entry, ec_stripes_heap) ec_stripes_heap;
40
41 #endif /* _BCACHEFS_EC_TYPES_H */
42
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