summaryrefslogtreecommitdiff
path: root/src/libbasic/btrfs-ctree.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/libbasic/btrfs-ctree.h')
-rw-r--r--src/libbasic/btrfs-ctree.h96
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_;