]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - c_src/libbcachefs/reflink.h
move Rust sources to top level, C sources into c_src
[bcachefs-tools-debian] / c_src / libbcachefs / reflink.h
diff --git a/c_src/libbcachefs/reflink.h b/c_src/libbcachefs/reflink.h
new file mode 100644 (file)
index 0000000..8ee778e
--- /dev/null
@@ -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);
+int bch2_trigger_reflink_p(struct btree_trans *, enum btree_id, unsigned,
+                          struct bkey_s_c, struct bkey_s, unsigned);
+
+#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,                 \
+       .trigger        = bch2_trigger_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_s, 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,                        \
+       .trigger        = bch2_trans_mark_reflink_v,            \
+       .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_s,
+                             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,    \
+       .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_s k)
+{
+       switch (k.k->type) {
+       case KEY_TYPE_reflink_v:
+               return &bkey_s_to_reflink_v(k).v->refcount;
+       case KEY_TYPE_indirect_inline_data:
+               return &bkey_s_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 */