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-rw-r--r--fs/bcachefs/reflink.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/fs/bcachefs/reflink.h b/fs/bcachefs/reflink.h
new file mode 100644
index 0000000000..8ccf3f9c49
--- /dev/null
+++ b/fs/bcachefs/reflink.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_REFLINK_H
+#define _BCACHEFS_REFLINK_H
+
+enum bkey_invalid_flags;
+
+int bch2_reflink_p_invalid(struct bch_fs *, struct bkey_s_c,
+ enum bkey_invalid_flags, struct printbuf *);
+void bch2_reflink_p_to_text(struct printbuf *, struct bch_fs *,
+ struct bkey_s_c);
+bool bch2_reflink_p_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
+
+#define bch2_bkey_ops_reflink_p ((struct bkey_ops) { \
+ .key_invalid = bch2_reflink_p_invalid, \
+ .val_to_text = bch2_reflink_p_to_text, \
+ .key_merge = bch2_reflink_p_merge, \
+ .trans_trigger = bch2_trans_mark_reflink_p, \
+ .atomic_trigger = bch2_mark_reflink_p, \
+ .min_val_size = 16, \
+})
+
+int bch2_reflink_v_invalid(struct bch_fs *, struct bkey_s_c,
+ enum bkey_invalid_flags, struct printbuf *);
+void bch2_reflink_v_to_text(struct printbuf *, struct bch_fs *,
+ struct bkey_s_c);
+int bch2_trans_mark_reflink_v(struct btree_trans *, enum btree_id, unsigned,
+ struct bkey_s_c, struct bkey_i *, unsigned);
+
+#define bch2_bkey_ops_reflink_v ((struct bkey_ops) { \
+ .key_invalid = bch2_reflink_v_invalid, \
+ .val_to_text = bch2_reflink_v_to_text, \
+ .swab = bch2_ptr_swab, \
+ .trans_trigger = bch2_trans_mark_reflink_v, \
+ .atomic_trigger = bch2_mark_extent, \
+ .min_val_size = 8, \
+})
+
+int bch2_indirect_inline_data_invalid(struct bch_fs *, struct bkey_s_c,
+ enum bkey_invalid_flags, struct printbuf *);
+void bch2_indirect_inline_data_to_text(struct printbuf *,
+ struct bch_fs *, struct bkey_s_c);
+int bch2_trans_mark_indirect_inline_data(struct btree_trans *,
+ enum btree_id, unsigned,
+ struct bkey_s_c, struct bkey_i *,
+ unsigned);
+
+#define bch2_bkey_ops_indirect_inline_data ((struct bkey_ops) { \
+ .key_invalid = bch2_indirect_inline_data_invalid, \
+ .val_to_text = bch2_indirect_inline_data_to_text, \
+ .trans_trigger = bch2_trans_mark_indirect_inline_data, \
+ .min_val_size = 8, \
+})
+
+static inline const __le64 *bkey_refcount_c(struct bkey_s_c k)
+{
+ switch (k.k->type) {
+ case KEY_TYPE_reflink_v:
+ return &bkey_s_c_to_reflink_v(k).v->refcount;
+ case KEY_TYPE_indirect_inline_data:
+ return &bkey_s_c_to_indirect_inline_data(k).v->refcount;
+ default:
+ return NULL;
+ }
+}
+
+static inline __le64 *bkey_refcount(struct bkey_i *k)
+{
+ switch (k->k.type) {
+ case KEY_TYPE_reflink_v:
+ return &bkey_i_to_reflink_v(k)->v.refcount;
+ case KEY_TYPE_indirect_inline_data:
+ return &bkey_i_to_indirect_inline_data(k)->v.refcount;
+ default:
+ return NULL;
+ }
+}
+
+s64 bch2_remap_range(struct bch_fs *, subvol_inum, u64,
+ subvol_inum, u64, u64, u64, s64 *);
+
+#endif /* _BCACHEFS_REFLINK_H */