1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef _BCACHEFS_KEYLIST_H |
3 | #define _BCACHEFS_KEYLIST_H |
4 | |
5 | #include "keylist_types.h" |
6 | |
7 | int bch2_keylist_realloc(struct keylist *, u64 *, size_t, size_t); |
8 | void bch2_keylist_pop_front(struct keylist *); |
9 | |
10 | static inline void bch2_keylist_init(struct keylist *l, u64 *inline_keys) |
11 | { |
12 | l->top_p = l->keys_p = inline_keys; |
13 | } |
14 | |
15 | static inline void bch2_keylist_free(struct keylist *l, u64 *inline_keys) |
16 | { |
17 | if (l->keys_p != inline_keys) |
18 | kfree(objp: l->keys_p); |
19 | } |
20 | |
21 | static inline void bch2_keylist_push(struct keylist *l) |
22 | { |
23 | l->top = bkey_next(k: l->top); |
24 | } |
25 | |
26 | static inline void bch2_keylist_add(struct keylist *l, const struct bkey_i *k) |
27 | { |
28 | bkey_copy(dst: l->top, src: k); |
29 | bch2_keylist_push(l); |
30 | } |
31 | |
32 | static inline bool bch2_keylist_empty(struct keylist *l) |
33 | { |
34 | return l->top == l->keys; |
35 | } |
36 | |
37 | static inline size_t bch2_keylist_u64s(struct keylist *l) |
38 | { |
39 | return l->top_p - l->keys_p; |
40 | } |
41 | |
42 | static inline size_t bch2_keylist_bytes(struct keylist *l) |
43 | { |
44 | return bch2_keylist_u64s(l) * sizeof(u64); |
45 | } |
46 | |
47 | static inline struct bkey_i *bch2_keylist_front(struct keylist *l) |
48 | { |
49 | return l->keys; |
50 | } |
51 | |
52 | #define for_each_keylist_key(_keylist, _k) \ |
53 | for (struct bkey_i *_k = (_keylist)->keys; \ |
54 | _k != (_keylist)->top; \ |
55 | _k = bkey_next(_k)) |
56 | |
57 | static inline u64 keylist_sectors(struct keylist *keys) |
58 | { |
59 | u64 ret = 0; |
60 | |
61 | for_each_keylist_key(keys, k) |
62 | ret += k->k.size; |
63 | return ret; |
64 | } |
65 | |
66 | #ifdef CONFIG_BCACHEFS_DEBUG |
67 | void bch2_verify_keylist_sorted(struct keylist *); |
68 | #else |
69 | static inline void bch2_verify_keylist_sorted(struct keylist *l) {} |
70 | #endif |
71 | |
72 | #endif /* _BCACHEFS_KEYLIST_H */ |
73 |