mirror of
https://github.com/torvalds/linux
synced 2024-09-06 18:01:05 +00:00
bcachefs: snapshot_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
parent
d455179fce
commit
8fed323b14
|
@ -805,39 +805,6 @@ LE32_BITMASK(BCH_SUBVOLUME_RO, struct bch_subvolume, flags, 0, 1)
|
|||
LE32_BITMASK(BCH_SUBVOLUME_SNAP, struct bch_subvolume, flags, 1, 2)
|
||||
LE32_BITMASK(BCH_SUBVOLUME_UNLINKED, struct bch_subvolume, flags, 2, 3)
|
||||
|
||||
/* Snapshots */
|
||||
|
||||
struct bch_snapshot {
|
||||
struct bch_val v;
|
||||
__le32 flags;
|
||||
__le32 parent;
|
||||
__le32 children[2];
|
||||
__le32 subvol;
|
||||
/* corresponds to a bch_snapshot_tree in BTREE_ID_snapshot_trees */
|
||||
__le32 tree;
|
||||
__le32 depth;
|
||||
__le32 skip[3];
|
||||
bch_le128 btime;
|
||||
};
|
||||
|
||||
LE32_BITMASK(BCH_SNAPSHOT_DELETED, struct bch_snapshot, flags, 0, 1)
|
||||
|
||||
/* True if a subvolume points to this snapshot node: */
|
||||
LE32_BITMASK(BCH_SNAPSHOT_SUBVOL, struct bch_snapshot, flags, 1, 2)
|
||||
|
||||
/*
|
||||
* Snapshot trees:
|
||||
*
|
||||
* The snapshot_trees btree gives us persistent indentifier for each tree of
|
||||
* bch_snapshot nodes, and allow us to record and easily find the root/master
|
||||
* subvolume that other snapshots were created from:
|
||||
*/
|
||||
struct bch_snapshot_tree {
|
||||
struct bch_val v;
|
||||
__le32 master_subvol;
|
||||
__le32 root_snapshot;
|
||||
};
|
||||
|
||||
/* LRU btree: */
|
||||
|
||||
struct bch_lru {
|
||||
|
@ -904,6 +871,7 @@ struct bch_sb_field {
|
|||
#include "dirent_format.h"
|
||||
#include "xattr_format.h"
|
||||
#include "quota_format.h"
|
||||
#include "snapshot_format.h"
|
||||
#include "sb-counters_format.h"
|
||||
|
||||
enum bch_sb_field_type {
|
||||
|
|
36
fs/bcachefs/snapshot_format.h
Normal file
36
fs/bcachefs/snapshot_format.h
Normal file
|
@ -0,0 +1,36 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
#ifndef _BCACHEFS_SNAPSHOT_FORMAT_H
|
||||
#define _BCACHEFS_SNAPSHOT_FORMAT_H
|
||||
|
||||
struct bch_snapshot {
|
||||
struct bch_val v;
|
||||
__le32 flags;
|
||||
__le32 parent;
|
||||
__le32 children[2];
|
||||
__le32 subvol;
|
||||
/* corresponds to a bch_snapshot_tree in BTREE_ID_snapshot_trees */
|
||||
__le32 tree;
|
||||
__le32 depth;
|
||||
__le32 skip[3];
|
||||
bch_le128 btime;
|
||||
};
|
||||
|
||||
LE32_BITMASK(BCH_SNAPSHOT_DELETED, struct bch_snapshot, flags, 0, 1)
|
||||
|
||||
/* True if a subvolume points to this snapshot node: */
|
||||
LE32_BITMASK(BCH_SNAPSHOT_SUBVOL, struct bch_snapshot, flags, 1, 2)
|
||||
|
||||
/*
|
||||
* Snapshot trees:
|
||||
*
|
||||
* The snapshot_trees btree gives us persistent indentifier for each tree of
|
||||
* bch_snapshot nodes, and allow us to record and easily find the root/master
|
||||
* subvolume that other snapshots were created from:
|
||||
*/
|
||||
struct bch_snapshot_tree {
|
||||
struct bch_val v;
|
||||
__le32 master_subvol;
|
||||
__le32 root_snapshot;
|
||||
};
|
||||
|
||||
#endif /* _BCACHEFS_SNAPSHOT_FORMAT_H */
|
Loading…
Reference in a new issue