1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_REFLINK_H
3 #define _BCACHEFS_REFLINK_H
4
5 enum bch_validate_flags;
6
7 int bch2_reflink_p_validate(struct bch_fs *, struct bkey_s_c, enum bch_validate_flags);
8 void bch2_reflink_p_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
9 bool bch2_reflink_p_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
10 int bch2_trigger_reflink_p(struct btree_trans *, enum btree_id, unsigned,
11 struct bkey_s_c, struct bkey_s,
12 enum btree_iter_update_trigger_flags);
13
14 #define bch2_bkey_ops_reflink_p ((struct bkey_ops) { \
15 .key_validate = bch2_reflink_p_validate, \
16 .val_to_text = bch2_reflink_p_to_text, \
17 .key_merge = bch2_reflink_p_merge, \
18 .trigger = bch2_trigger_reflink_p, \
19 .min_val_size = 16, \
20 })
21
22 int bch2_reflink_v_validate(struct bch_fs *, struct bkey_s_c, enum bch_validate_flags);
23 void bch2_reflink_v_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
24 int bch2_trigger_reflink_v(struct btree_trans *, enum btree_id, unsigned,
25 struct bkey_s_c, struct bkey_s,
26 enum btree_iter_update_trigger_flags);
27
28 #define bch2_bkey_ops_reflink_v ((struct bkey_ops) { \
29 .key_validate = bch2_reflink_v_validate, \
30 .val_to_text = bch2_reflink_v_to_text, \
31 .swab = bch2_ptr_swab, \
32 .trigger = bch2_trigger_reflink_v, \
33 .min_val_size = 8, \
34 })
35
36 int bch2_indirect_inline_data_validate(struct bch_fs *, struct bkey_s_c,
37 enum bch_validate_flags);
38 void bch2_indirect_inline_data_to_text(struct printbuf *,
39 struct bch_fs *, struct bkey_s_c);
40 int bch2_trigger_indirect_inline_data(struct btree_trans *,
41 enum btree_id, unsigned,
42 struct bkey_s_c, struct bkey_s,
43 enum btree_iter_update_trigger_flags);
44
45 #define bch2_bkey_ops_indirect_inline_data ((struct bkey_ops) { \
46 .key_validate = bch2_indirect_inline_data_validate, \
47 .val_to_text = bch2_indirect_inline_data_to_text, \
48 .trigger = bch2_trigger_indirect_inline_data, \
49 .min_val_size = 8, \
50 })
51
bkey_refcount_c(struct bkey_s_c k)52 static inline const __le64 *bkey_refcount_c(struct bkey_s_c k)
53 {
54 switch (k.k->type) {
55 case KEY_TYPE_reflink_v:
56 return &bkey_s_c_to_reflink_v(k).v->refcount;
57 case KEY_TYPE_indirect_inline_data:
58 return &bkey_s_c_to_indirect_inline_data(k).v->refcount;
59 default:
60 return NULL;
61 }
62 }
63
bkey_refcount(struct bkey_s k)64 static inline __le64 *bkey_refcount(struct bkey_s k)
65 {
66 switch (k.k->type) {
67 case KEY_TYPE_reflink_v:
68 return &bkey_s_to_reflink_v(k).v->refcount;
69 case KEY_TYPE_indirect_inline_data:
70 return &bkey_s_to_indirect_inline_data(k).v->refcount;
71 default:
72 return NULL;
73 }
74 }
75
76 s64 bch2_remap_range(struct bch_fs *, subvol_inum, u64,
77 subvol_inum, u64, u64, u64, s64 *);
78
79 #endif /* _BCACHEFS_REFLINK_H */
80