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 0000000000..555f90fe1b
--- /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