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