| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 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 |