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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_SUBVOLUME_TYPES_H
3#define _BCACHEFS_SUBVOLUME_TYPES_H
4
5#include "darray.h"
6
7typedef DARRAY(u32) snapshot_id_list;
8
9#define IS_ANCESTOR_BITMAP 128
10
11struct snapshot_t {
12 u32 parent;
13 u32 skip[3];
14 u32 depth;
15 u32 children[2];
16 u32 subvol; /* Nonzero only if a subvolume points to this node: */
17 u32 tree;
18 u32 equiv;
19 unsigned long is_ancestor[BITS_TO_LONGS(IS_ANCESTOR_BITMAP)];
20};
21
22struct snapshot_table {
23#ifndef RUST_BINDGEN
24 DECLARE_FLEX_ARRAY(struct snapshot_t, s);
25#else
26 struct snapshot_t s[0];
27#endif
28};
29
30typedef struct {
31 u32 subvol;
32 u64 inum;
33} subvol_inum;
34
35#endif /* _BCACHEFS_SUBVOLUME_TYPES_H */