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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
commit | 19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch) | |
tree | d59b9989ce55ed23693e80974d94c856f1c2c8b1 /src/basic/missing_btrfs_tree.h | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/basic/missing_btrfs_tree.h')
-rw-r--r-- | src/basic/missing_btrfs_tree.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/basic/missing_btrfs_tree.h b/src/basic/missing_btrfs_tree.h new file mode 100644 index 0000000..555f90f --- /dev/null +++ b/src/basic/missing_btrfs_tree.h @@ -0,0 +1,109 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +#pragma once + +#include <linux/types.h> + +#include "missing_btrfs.h" + +/* linux@db6711600e27c885aed89751f04e727f3af26715 (4.7) */ +#if HAVE_LINUX_BTRFS_TREE_H +#include <linux/btrfs_tree.h> +#else +#define BTRFS_ROOT_TREE_OBJECTID 1 +#define BTRFS_QUOTA_TREE_OBJECTID 8 +#define BTRFS_FIRST_FREE_OBJECTID 256 +#define BTRFS_LAST_FREE_OBJECTID -256ULL + +#define BTRFS_ROOT_ITEM_KEY 132 +#define BTRFS_ROOT_BACKREF_KEY 144 +#define BTRFS_QGROUP_STATUS_KEY 240 +#define BTRFS_QGROUP_INFO_KEY 242 +#define BTRFS_QGROUP_LIMIT_KEY 244 +#define BTRFS_QGROUP_RELATION_KEY 246 + +struct btrfs_disk_key { + __le64 objectid; + __u8 type; + __le64 offset; +} __attribute__ ((__packed__)); + +struct btrfs_timespec { + __le64 sec; + __le32 nsec; +} __attribute__ ((__packed__)); + +struct btrfs_inode_item { + __le64 generation; + __le64 transid; + __le64 size; + __le64 nbytes; + __le64 block_group; + __le32 nlink; + __le32 uid; + __le32 gid; + __le32 mode; + __le64 rdev; + __le64 flags; + __le64 sequence; + __le64 reserved[4]; + struct btrfs_timespec atime; + struct btrfs_timespec ctime; + struct btrfs_timespec mtime; + struct btrfs_timespec otime; +} __attribute__ ((__packed__)); + +#define BTRFS_ROOT_SUBVOL_RDONLY (1ULL << 0) + +struct btrfs_root_item { + struct btrfs_inode_item inode; + __le64 generation; + __le64 root_dirid; + __le64 bytenr; + __le64 byte_limit; + __le64 bytes_used; + __le64 last_snapshot; + __le64 flags; + __le32 refs; + struct btrfs_disk_key drop_progress; + __u8 drop_level; + __u8 level; + + __le64 generation_v2; + __u8 uuid[BTRFS_UUID_SIZE]; + __u8 parent_uuid[BTRFS_UUID_SIZE]; + __u8 received_uuid[BTRFS_UUID_SIZE]; + __le64 ctransid; /* updated when an inode changes */ + __le64 otransid; /* trans when created */ + __le64 stransid; /* trans when sent. non-zero for received subvol */ + __le64 rtransid; /* trans when received. non-zero for received subvol */ + struct btrfs_timespec ctime; + struct btrfs_timespec otime; + struct btrfs_timespec stime; + struct btrfs_timespec rtime; + __le64 reserved[8]; /* for future */ +} __attribute__ ((__packed__)); + +struct btrfs_root_ref { + __le64 dirid; + __le64 sequence; + __le16 name_len; +} __attribute__ ((__packed__)); + +#define BTRFS_QGROUP_LEVEL_SHIFT 48 + +struct btrfs_qgroup_info_item { + __le64 generation; + __le64 rfer; + __le64 rfer_cmpr; + __le64 excl; + __le64 excl_cmpr; +} __attribute__ ((__packed__)); + +struct btrfs_qgroup_limit_item { + __le64 flags; + __le64 max_rfer; + __le64 max_excl; + __le64 rsv_rfer; + __le64 rsv_excl; +} __attribute__ ((__packed__)); +#endif |