1 files changed, 96 insertions, 0 deletions
diff --git a/src/libbasic/btrfs-ctree.h b/src/libbasic/btrfs-ctree.h
new file mode 100644
index 0000000000..66bdf9736e
--- /dev/null
+++ b/src/libbasic/btrfs-ctree.h
@@ -0,0 +1,96 @@
+#pragma once
+
+#include "macro.h"
+#include "sparse-endian.h"
+
+/* Stolen from btrfs' ctree.h */
+
+struct btrfs_timespec {
+        le64_t sec;
+        le32_t nsec;
+} _packed_;
+
+struct btrfs_disk_key {
+        le64_t objectid;
+        uint8_t type;
+        le64_t offset;
+} _packed_;
+
+struct btrfs_inode_item {
+        le64_t generation;
+        le64_t transid;
+        le64_t size;
+        le64_t nbytes;
+        le64_t block_group;
+        le32_t nlink;
+        le32_t uid;
+        le32_t gid;
+        le32_t mode;
+        le64_t rdev;
+        le64_t flags;
+        le64_t sequence;
+        le64_t reserved[4];
+        struct btrfs_timespec atime;
+        struct btrfs_timespec ctime;
+        struct btrfs_timespec mtime;
+        struct btrfs_timespec otime;
+} _packed_;
+
+struct btrfs_root_item {
+        struct btrfs_inode_item inode;
+        le64_t generation;
+        le64_t root_dirid;
+        le64_t bytenr;
+        le64_t byte_limit;
+        le64_t bytes_used;
+        le64_t last_snapshot;
+        le64_t flags;
+        le32_t refs;
+        struct btrfs_disk_key drop_progress;
+        uint8_t drop_level;
+        uint8_t level;
+        le64_t generation_v2;
+        uint8_t uuid[BTRFS_UUID_SIZE];
+        uint8_t parent_uuid[BTRFS_UUID_SIZE];
+        uint8_t received_uuid[BTRFS_UUID_SIZE];
+        le64_t ctransid;
+        le64_t otransid;
+        le64_t stransid;
+        le64_t rtransid;
+        struct btrfs_timespec ctime;
+        struct btrfs_timespec otime;
+        struct btrfs_timespec stime;
+        struct btrfs_timespec rtime;
+        le64_t reserved[8];
+} _packed_;
+
+#define BTRFS_ROOT_SUBVOL_RDONLY (1ULL << 0)
+
+struct btrfs_qgroup_info_item {
+        le64_t generation;
+        le64_t rfer;
+        le64_t rfer_cmpr;
+        le64_t excl;
+        le64_t excl_cmpr;
+} _packed_;
+
+#define BTRFS_QGROUP_LIMIT_MAX_RFER     (1ULL << 0)
+#define BTRFS_QGROUP_LIMIT_MAX_EXCL     (1ULL << 1)
+#define BTRFS_QGROUP_LIMIT_RSV_RFER     (1ULL << 2)
+#define BTRFS_QGROUP_LIMIT_RSV_EXCL     (1ULL << 3)
+#define BTRFS_QGROUP_LIMIT_RFER_CMPR    (1ULL << 4)
+#define BTRFS_QGROUP_LIMIT_EXCL_CMPR    (1ULL << 5)
+
+struct btrfs_qgroup_limit_item {
+        le64_t flags;
+        le64_t max_rfer;
+        le64_t max_excl;
+        le64_t rsv_rfer;
+        le64_t rsv_excl;
+} _packed_;
+
+struct btrfs_root_ref {
+        le64_t dirid;
+        le64_t sequence;
+        le16_t name_len;
+} _packed_;