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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_REFLINK_H
3#define _BCACHEFS_REFLINK_H
4
5enum bch_validate_flags;
6
7int bch2_reflink_p_invalid(struct bch_fs *, struct bkey_s_c,
8 enum bch_validate_flags, struct printbuf *);
9void bch2_reflink_p_to_text(struct printbuf *, struct bch_fs *,
10 struct bkey_s_c);
11bool bch2_reflink_p_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
12int 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
24int bch2_reflink_v_invalid(struct bch_fs *, struct bkey_s_c,
25 enum bch_validate_flags, struct printbuf *);
26void bch2_reflink_v_to_text(struct printbuf *, struct bch_fs *,
27 struct bkey_s_c);
28int 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
40int bch2_indirect_inline_data_invalid(struct bch_fs *, struct bkey_s_c,
41 enum bch_validate_flags, struct printbuf *);
42void bch2_indirect_inline_data_to_text(struct printbuf *,
43 struct bch_fs *, struct bkey_s_c);
44int 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
56static 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
68static 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
80s64 bch2_remap_range(struct bch_fs *, subvol_inum, u64,
81 subvol_inum, u64, u64, u64, s64 *);
82
83#endif /* _BCACHEFS_REFLINK_H */