From 0629b78d815ce6a0b65aecc02fb18a122226274c Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Wed, 25 May 2016 23:32:14 -0400 Subject: stuff --- src/libbasic/btrfs-ctree.h | 96 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 src/libbasic/btrfs-ctree.h (limited to 'src/libbasic/btrfs-ctree.h') 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_; -- cgit v1.2.3-54-g00ecf