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_invalid(struct bch_fs *, struct bkey_s_c,
8 enum bch_validate_flags, struct printbuf *);
9 void bch2_reflink_p_to_text(struct printbuf *, struct bch_fs *,
10 struct bkey_s_c);
11 bool bch2_reflink_p_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
12 int bch2_trigger_reflink_p(struct btree_trans *, enum btree_id, unsigned,
13 struct bkey_s_c, struct bkey_s,
14 enum btree_iter_update_trigger_flags);
15
16 #define bch2_bkey_ops_reflink_p ((struct bkey_ops) { \
17 .key_invalid = bch2_reflink_p_invalid, \
18 .val_to_text = bch2_reflink_p_to_text, \
19 .key_merge = bch2_reflink_p_merge, \
20 .trigger = bch2_trigger_reflink_p, \
21 .min_val_size = 16, \
22 })
23
24 int bch2_reflink_v_invalid(struct bch_fs *, struct bkey_s_c,
25 enum bch_validate_flags, struct printbuf *);
26 void bch2_reflink_v_to_text(struct printbuf *, struct bch_fs *,
27 struct bkey_s_c);
28 int bch2_trigger_reflink_v(struct btree_trans *, enum btree_id, unsigned,
29 struct bkey_s_c, struct bkey_s,
30 enum btree_iter_update_trigger_flags);
31
32 #define bch2_bkey_ops_reflink_v ((struct bkey_ops) { \
33 .key_invalid = bch2_reflink_v_invalid, \
34 .val_to_text = bch2_reflink_v_to_text, \
35 .swab = bch2_ptr_swab, \
36 .trigger = bch2_trigger_reflink_v, \
37 .min_val_size = 8, \
38 })
39
40 int bch2_indirect_inline_data_invalid(struct bch_fs *, struct bkey_s_c,
41 enum bch_validate_flags, struct printbuf *);
42 void bch2_indirect_inline_data_to_text(struct printbuf *,
43 struct bch_fs *, struct bkey_s_c);
44 int bch2_trigger_indirect_inline_data(struct btree_trans *,
45 enum btree_id, unsigned,
46 struct bkey_s_c, struct bkey_s,
47 enum btree_iter_update_trigger_flags);
48
49 #define bch2_bkey_ops_indirect_inline_data ((struct bkey_ops) { \
50 .key_invalid = bch2_indirect_inline_data_invalid, \
51 .val_to_text = bch2_indirect_inline_data_to_text, \
52 .trigger = bch2_trigger_indirect_inline_data, \
53 .min_val_size = 8, \
54 })
55
56 static inline const __le64 *bkey_refcount_c(struct bkey_s_c k)
57 {
58 switch (k.k->type) {
59 case KEY_TYPE_reflink_v:
60 return &bkey_s_c_to_reflink_v(k).v->refcount;
61 case KEY_TYPE_indirect_inline_data:
62 return &bkey_s_c_to_indirect_inline_data(k).v->refcount;
63 default:
64 return NULL;
65 }
66 }
67
68 static inline __le64 *bkey_refcount(struct bkey_s k)
69 {
70 switch (k.k->type) {
71 case KEY_TYPE_reflink_v:
72 return &bkey_s_to_reflink_v(k).v->refcount;
73 case KEY_TYPE_indirect_inline_data:
74 return &bkey_s_to_indirect_inline_data(k).v->refcount;
75 default:
76 return NULL;
77 }
78 }
79
80 s64 bch2_remap_range(struct bch_fs *, subvol_inum, u64,
81 subvol_inum, u64, u64, u64, s64 *);
82
83 #endif /* _BCACHEFS_REFLINK_H */
84
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