Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/fs/bcachefs/subvolume_types.h b/fs/bcachefs/subvolume_types.h
new file mode 100644
index 0000000000..2d2e66a4e4
--- /dev/null
+++ b/fs/bcachefs/subvolume_types.h
@@ -0,0 +1,31 @@
+/* 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 {
+	DECLARE_FLEX_ARRAY(struct snapshot_t, s);
+};
+
+typedef struct {
+	u32		subvol;
+	u64		inum;
+} subvol_inum;
+
+#endif /* _BCACHEFS_SUBVOLUME_TYPES_H */