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/* 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
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