Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_KEYLIST_H
3#define _BCACHEFS_KEYLIST_H
4
5#include "keylist_types.h"
6
7int bch2_keylist_realloc(struct keylist *, u64 *, size_t, size_t);
8void bch2_keylist_pop_front(struct keylist *);
9
10static inline void bch2_keylist_init(struct keylist *l, u64 *inline_keys)
11{
12 l->top_p = l->keys_p = inline_keys;
13}
14
15static inline void bch2_keylist_free(struct keylist *l, u64 *inline_keys)
16{
17 if (l->keys_p != inline_keys)
18 kfree(l->keys_p);
19}
20
21static inline void bch2_keylist_push(struct keylist *l)
22{
23 l->top = bkey_next(l->top);
24}
25
26static inline void bch2_keylist_add(struct keylist *l, const struct bkey_i *k)
27{
28 bkey_copy(l->top, k);
29 bch2_keylist_push(l);
30}
31
32static inline bool bch2_keylist_empty(struct keylist *l)
33{
34 return l->top == l->keys;
35}
36
37static inline size_t bch2_keylist_u64s(struct keylist *l)
38{
39 return l->top_p - l->keys_p;
40}
41
42static inline size_t bch2_keylist_bytes(struct keylist *l)
43{
44 return bch2_keylist_u64s(l) * sizeof(u64);
45}
46
47static 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
57static 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
67void bch2_verify_keylist_sorted(struct keylist *);
68#else
69static inline void bch2_verify_keylist_sorted(struct keylist *l) {}
70#endif
71
72#endif /* _BCACHEFS_KEYLIST_H */