blob: 0b3414c4c9287f71e9071ec2a6df077c668da22b [file] [log] [blame]
Joern Engel5db53f32009-11-20 20:13:39 +01001extern struct btree_geo btree_geo128;
2
3struct btree_head128 { struct btree_head h; };
4
5static inline void btree_init_mempool128(struct btree_head128 *head,
6 mempool_t *mempool)
7{
8 btree_init_mempool(&head->h, mempool);
9}
10
11static inline int btree_init128(struct btree_head128 *head)
12{
13 return btree_init(&head->h);
14}
15
16static inline void btree_destroy128(struct btree_head128 *head)
17{
18 btree_destroy(&head->h);
19}
20
21static inline void *btree_lookup128(struct btree_head128 *head, u64 k1, u64 k2)
22{
23 u64 key[2] = {k1, k2};
24 return btree_lookup(&head->h, &btree_geo128, (unsigned long *)&key);
25}
26
27static inline void *btree_get_prev128(struct btree_head128 *head,
28 u64 *k1, u64 *k2)
29{
30 u64 key[2] = {*k1, *k2};
31 void *val;
32
33 val = btree_get_prev(&head->h, &btree_geo128,
34 (unsigned long *)&key);
35 *k1 = key[0];
36 *k2 = key[1];
37 return val;
38}
39
40static inline int btree_insert128(struct btree_head128 *head, u64 k1, u64 k2,
41 void *val, gfp_t gfp)
42{
43 u64 key[2] = {k1, k2};
44 return btree_insert(&head->h, &btree_geo128,
45 (unsigned long *)&key, val, gfp);
46}
47
48static inline int btree_update128(struct btree_head128 *head, u64 k1, u64 k2,
49 void *val)
50{
51 u64 key[2] = {k1, k2};
52 return btree_update(&head->h, &btree_geo128,
53 (unsigned long *)&key, val);
54}
55
56static inline void *btree_remove128(struct btree_head128 *head, u64 k1, u64 k2)
57{
58 u64 key[2] = {k1, k2};
59 return btree_remove(&head->h, &btree_geo128, (unsigned long *)&key);
60}
61
62static inline void *btree_last128(struct btree_head128 *head, u64 *k1, u64 *k2)
63{
64 u64 key[2];
65 void *val;
66
67 val = btree_last(&head->h, &btree_geo128, (unsigned long *)&key[0]);
68 if (val) {
69 *k1 = key[0];
70 *k2 = key[1];
71 }
72
73 return val;
74}
75
76static inline int btree_merge128(struct btree_head128 *target,
77 struct btree_head128 *victim,
78 gfp_t gfp)
79{
80 return btree_merge(&target->h, &victim->h, &btree_geo128, gfp);
81}
82
83void visitor128(void *elem, unsigned long opaque, unsigned long *__key,
84 size_t index, void *__func);
85
86typedef void (*visitor128_t)(void *elem, unsigned long opaque,
87 u64 key1, u64 key2, size_t index);
88
89static inline size_t btree_visitor128(struct btree_head128 *head,
90 unsigned long opaque,
91 visitor128_t func2)
92{
93 return btree_visitor(&head->h, &btree_geo128, opaque,
94 visitor128, func2);
95}
96
97static inline size_t btree_grim_visitor128(struct btree_head128 *head,
98 unsigned long opaque,
99 visitor128_t func2)
100{
101 return btree_grim_visitor(&head->h, &btree_geo128, opaque,
102 visitor128, func2);
103}
104
105#define btree_for_each_safe128(head, k1, k2, val) \
106 for (val = btree_last128(head, &k1, &k2); \
107 val; \
108 val = btree_get_prev128(head, &k1, &k2))
109