move Rust sources to top level, C sources into c_src

[bcachefs-tools-debian] / c_src / libbcachefs / subvolume_types.h

diff --git a/c_src/libbcachefs/subvolume_types.h b/c_src/libbcachefs/subvolume_types.h
new file mode 100644 (file)
index 0000000..ae644ad
--- /dev/null
+++ b/c_src/libbcachefs/subvolume_types.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_SUBVOLUME_TYPES_H
+#define _BCACHEFS_SUBVOLUME_TYPES_H
+
+#include "darray.h"
+
+typedef DARRAY(u32) snapshot_id_list;
+
+#define IS_ANCESTOR_BITMAP     128
+
+struct snapshot_t {
+       u32                     parent;
+       u32                     skip[3];
+       u32                     depth;
+       u32                     children[2];
+       u32                     subvol; /* Nonzero only if a subvolume points to this node: */
+       u32                     tree;
+       u32                     equiv;
+       unsigned long           is_ancestor[BITS_TO_LONGS(IS_ANCESTOR_BITMAP)];
+};
+
+struct snapshot_table {
+#ifndef RUST_BINDGEN
+       DECLARE_FLEX_ARRAY(struct snapshot_t, s);
+#else
+       struct snapshot_t       s[0];
+#endif
+};
+
+typedef struct {
+       u32             subvol;
+       u64             inum;
+} subvol_inum;
+
+#endif /* _BCACHEFS_SUBVOLUME_TYPES_H */