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Kirill Smelkov
linux
Commits
c6c4ff65
Commit
c6c4ff65
authored
Jan 21, 2024
by
Kent Overstreet
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bcachefs: subvolume_format.h
Signed-off-by:
Kent Overstreet
<
kent.overstreet@linux.dev
>
parent
8fed323b
Changes
2
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36 additions
and
32 deletions
+36
-32
fs/bcachefs/bcachefs_format.h
fs/bcachefs/bcachefs_format.h
+1
-32
fs/bcachefs/subvolume_format.h
fs/bcachefs/subvolume_format.h
+35
-0
No files found.
fs/bcachefs/bcachefs_format.h
View file @
c6c4ff65
...
...
@@ -773,38 +773,6 @@ struct bch_inline_data {
u8
data
[];
};
/* Subvolumes: */
#define SUBVOL_POS_MIN POS(0, 1)
#define SUBVOL_POS_MAX POS(0, S32_MAX)
#define BCACHEFS_ROOT_SUBVOL 1
struct
bch_subvolume
{
struct
bch_val
v
;
__le32
flags
;
__le32
snapshot
;
__le64
inode
;
/*
* Snapshot subvolumes form a tree, separate from the snapshot nodes
* tree - if this subvolume is a snapshot, this is the ID of the
* subvolume it was created from:
*
* This is _not_ necessarily the subvolume of the directory containing
* this subvolume:
*/
__le32
parent
;
__le32
pad
;
bch_le128
otime
;
};
LE32_BITMASK
(
BCH_SUBVOLUME_RO
,
struct
bch_subvolume
,
flags
,
0
,
1
)
/*
* We need to know whether a subvolume is a snapshot so we can know whether we
* can delete it (or whether it should just be rm -rf'd)
*/
LE32_BITMASK
(
BCH_SUBVOLUME_SNAP
,
struct
bch_subvolume
,
flags
,
1
,
2
)
LE32_BITMASK
(
BCH_SUBVOLUME_UNLINKED
,
struct
bch_subvolume
,
flags
,
2
,
3
)
/* LRU btree: */
struct
bch_lru
{
...
...
@@ -872,6 +840,7 @@ struct bch_sb_field {
#include "xattr_format.h"
#include "quota_format.h"
#include "snapshot_format.h"
#include "subvolume_format.h"
#include "sb-counters_format.h"
enum
bch_sb_field_type
{
...
...
fs/bcachefs/subvolume_format.h
0 → 100644
View file @
c6c4ff65
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_SUBVOLUME_FORMAT_H
#define _BCACHEFS_SUBVOLUME_FORMAT_H
#define SUBVOL_POS_MIN POS(0, 1)
#define SUBVOL_POS_MAX POS(0, S32_MAX)
#define BCACHEFS_ROOT_SUBVOL 1
struct
bch_subvolume
{
struct
bch_val
v
;
__le32
flags
;
__le32
snapshot
;
__le64
inode
;
/*
* Snapshot subvolumes form a tree, separate from the snapshot nodes
* tree - if this subvolume is a snapshot, this is the ID of the
* subvolume it was created from:
*
* This is _not_ necessarily the subvolume of the directory containing
* this subvolume:
*/
__le32
parent
;
__le32
pad
;
bch_le128
otime
;
};
LE32_BITMASK
(
BCH_SUBVOLUME_RO
,
struct
bch_subvolume
,
flags
,
0
,
1
)
/*
* We need to know whether a subvolume is a snapshot so we can know whether we
* can delete it (or whether it should just be rm -rf'd)
*/
LE32_BITMASK
(
BCH_SUBVOLUME_SNAP
,
struct
bch_subvolume
,
flags
,
1
,
2
)
LE32_BITMASK
(
BCH_SUBVOLUME_UNLINKED
,
struct
bch_subvolume
,
flags
,
2
,
3
)
#endif
/* _BCACHEFS_SUBVOLUME_FORMAT_H */
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