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platform_bionic/libc/kernel/uapi/linux/btrfs_tree.h
Christopher Ferris 0f79521706 Update to v6.7 kernel headers. 
Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.7

NOTE: The file bionic/libc/kernel/uapi/linux/usb/f_accessory.h was
deleted in the 6.7 kernel along with the functionality. However,
there is no current replacement. For now keep the file here, but at
some point when the new implementation is ready, this file will need to
be moved to the places that still need to be backwards compatible.

Test: Builds and bionic unit tests pass on raven.
Test: Able to log in to an Android GO 32 bit device.
Change-Id: Ibf5684ed140616c02bb9464bbd6422a9281a29cf
2024-01-18 12:45:00 -08:00

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/*
* This file is auto-generated. Modifications will be lost.
*
* See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
* for more information.
*/
#ifndef _BTRFS_CTREE_H_
#define _BTRFS_CTREE_H_
#include <linux/btrfs.h>
#include <linux/types.h>
#include <stddef.h>
#define BTRFS_MAGIC 0x4D5F53665248425FULL
#define BTRFS_MAX_LEVEL 8
#define BTRFS_NAME_LEN 255
#define BTRFS_LINK_MAX 65535U
#define BTRFS_ROOT_TREE_OBJECTID 1ULL
#define BTRFS_EXTENT_TREE_OBJECTID 2ULL
#define BTRFS_CHUNK_TREE_OBJECTID 3ULL
#define BTRFS_DEV_TREE_OBJECTID 4ULL
#define BTRFS_FS_TREE_OBJECTID 5ULL
#define BTRFS_ROOT_TREE_DIR_OBJECTID 6ULL
#define BTRFS_CSUM_TREE_OBJECTID 7ULL
#define BTRFS_QUOTA_TREE_OBJECTID 8ULL
#define BTRFS_UUID_TREE_OBJECTID 9ULL
#define BTRFS_FREE_SPACE_TREE_OBJECTID 10ULL
#define BTRFS_BLOCK_GROUP_TREE_OBJECTID 11ULL
#define BTRFS_RAID_STRIPE_TREE_OBJECTID 12ULL
#define BTRFS_DEV_STATS_OBJECTID 0ULL
#define BTRFS_BALANCE_OBJECTID - 4ULL
#define BTRFS_ORPHAN_OBJECTID - 5ULL
#define BTRFS_TREE_LOG_OBJECTID - 6ULL
#define BTRFS_TREE_LOG_FIXUP_OBJECTID - 7ULL
#define BTRFS_TREE_RELOC_OBJECTID - 8ULL
#define BTRFS_DATA_RELOC_TREE_OBJECTID - 9ULL
#define BTRFS_EXTENT_CSUM_OBJECTID - 10ULL
#define BTRFS_FREE_SPACE_OBJECTID - 11ULL
#define BTRFS_FREE_INO_OBJECTID - 12ULL
#define BTRFS_MULTIPLE_OBJECTIDS - 255ULL
#define BTRFS_FIRST_FREE_OBJECTID 256ULL
#define BTRFS_LAST_FREE_OBJECTID - 256ULL
#define BTRFS_FIRST_CHUNK_TREE_OBJECTID 256ULL
#define BTRFS_DEV_ITEMS_OBJECTID 1ULL
#define BTRFS_BTREE_INODE_OBJECTID 1
#define BTRFS_EMPTY_SUBVOL_DIR_OBJECTID 2
#define BTRFS_DEV_REPLACE_DEVID 0ULL
#define BTRFS_INODE_ITEM_KEY 1
#define BTRFS_INODE_REF_KEY 12
#define BTRFS_INODE_EXTREF_KEY 13
#define BTRFS_XATTR_ITEM_KEY 24
#define BTRFS_VERITY_DESC_ITEM_KEY 36
#define BTRFS_VERITY_MERKLE_ITEM_KEY 37
#define BTRFS_ORPHAN_ITEM_KEY 48
#define BTRFS_DIR_LOG_ITEM_KEY 60
#define BTRFS_DIR_LOG_INDEX_KEY 72
#define BTRFS_DIR_ITEM_KEY 84
#define BTRFS_DIR_INDEX_KEY 96
#define BTRFS_EXTENT_DATA_KEY 108
#define BTRFS_EXTENT_CSUM_KEY 128
#define BTRFS_ROOT_ITEM_KEY 132
#define BTRFS_ROOT_BACKREF_KEY 144
#define BTRFS_ROOT_REF_KEY 156
#define BTRFS_EXTENT_ITEM_KEY 168
#define BTRFS_METADATA_ITEM_KEY 169
#define BTRFS_EXTENT_OWNER_REF_KEY 172
#define BTRFS_TREE_BLOCK_REF_KEY 176
#define BTRFS_EXTENT_DATA_REF_KEY 178
#define BTRFS_SHARED_BLOCK_REF_KEY 182
#define BTRFS_SHARED_DATA_REF_KEY 184
#define BTRFS_BLOCK_GROUP_ITEM_KEY 192
#define BTRFS_FREE_SPACE_INFO_KEY 198
#define BTRFS_FREE_SPACE_EXTENT_KEY 199
#define BTRFS_FREE_SPACE_BITMAP_KEY 200
#define BTRFS_DEV_EXTENT_KEY 204
#define BTRFS_DEV_ITEM_KEY 216
#define BTRFS_CHUNK_ITEM_KEY 228
#define BTRFS_RAID_STRIPE_KEY 230
#define BTRFS_QGROUP_STATUS_KEY 240
#define BTRFS_QGROUP_INFO_KEY 242
#define BTRFS_QGROUP_LIMIT_KEY 244
#define BTRFS_QGROUP_RELATION_KEY 246
#define BTRFS_BALANCE_ITEM_KEY 248
#define BTRFS_TEMPORARY_ITEM_KEY 248
#define BTRFS_DEV_STATS_KEY 249
#define BTRFS_PERSISTENT_ITEM_KEY 249
#define BTRFS_DEV_REPLACE_KEY 250
#if BTRFS_UUID_SIZE != 16
#error "UUID items require BTRFS_UUID_SIZE == 16!"
#endif
#define BTRFS_UUID_KEY_SUBVOL 251
#define BTRFS_UUID_KEY_RECEIVED_SUBVOL 252
#define BTRFS_STRING_ITEM_KEY 253
#define BTRFS_MAX_METADATA_BLOCKSIZE 65536
#define BTRFS_CSUM_SIZE 32
enum btrfs_csum_type {
BTRFS_CSUM_TYPE_CRC32 = 0,
BTRFS_CSUM_TYPE_XXHASH = 1,
BTRFS_CSUM_TYPE_SHA256 = 2,
BTRFS_CSUM_TYPE_BLAKE2 = 3,
};
#define BTRFS_FT_UNKNOWN 0
#define BTRFS_FT_REG_FILE 1
#define BTRFS_FT_DIR 2
#define BTRFS_FT_CHRDEV 3
#define BTRFS_FT_BLKDEV 4
#define BTRFS_FT_FIFO 5
#define BTRFS_FT_SOCK 6
#define BTRFS_FT_SYMLINK 7
#define BTRFS_FT_XATTR 8
#define BTRFS_FT_MAX 9
#define BTRFS_FT_ENCRYPTED 0x80
#define BTRFS_INODE_NODATASUM (1U << 0)
#define BTRFS_INODE_NODATACOW (1U << 1)
#define BTRFS_INODE_READONLY (1U << 2)
#define BTRFS_INODE_NOCOMPRESS (1U << 3)
#define BTRFS_INODE_PREALLOC (1U << 4)
#define BTRFS_INODE_SYNC (1U << 5)
#define BTRFS_INODE_IMMUTABLE (1U << 6)
#define BTRFS_INODE_APPEND (1U << 7)
#define BTRFS_INODE_NODUMP (1U << 8)
#define BTRFS_INODE_NOATIME (1U << 9)
#define BTRFS_INODE_DIRSYNC (1U << 10)
#define BTRFS_INODE_COMPRESS (1U << 11)
#define BTRFS_INODE_ROOT_ITEM_INIT (1U << 31)
#define BTRFS_INODE_FLAG_MASK (BTRFS_INODE_NODATASUM | BTRFS_INODE_NODATACOW | BTRFS_INODE_READONLY | BTRFS_INODE_NOCOMPRESS | BTRFS_INODE_PREALLOC | BTRFS_INODE_SYNC | BTRFS_INODE_IMMUTABLE | BTRFS_INODE_APPEND | BTRFS_INODE_NODUMP | BTRFS_INODE_NOATIME | BTRFS_INODE_DIRSYNC | BTRFS_INODE_COMPRESS | BTRFS_INODE_ROOT_ITEM_INIT)
#define BTRFS_INODE_RO_VERITY (1U << 0)
#define BTRFS_INODE_RO_FLAG_MASK (BTRFS_INODE_RO_VERITY)
struct btrfs_disk_key {
__le64 objectid;
__u8 type;
__le64 offset;
} __attribute__((__packed__));
struct btrfs_key {
__u64 objectid;
__u8 type;
__u64 offset;
} __attribute__((__packed__));
struct btrfs_header {
__u8 csum[BTRFS_CSUM_SIZE];
__u8 fsid[BTRFS_FSID_SIZE];
__le64 bytenr;
__le64 flags;
__u8 chunk_tree_uuid[BTRFS_UUID_SIZE];
__le64 generation;
__le64 owner;
__le32 nritems;
__u8 level;
} __attribute__((__packed__));
#define BTRFS_SYSTEM_CHUNK_ARRAY_SIZE 2048
#define BTRFS_NUM_BACKUP_ROOTS 4
struct btrfs_root_backup {
__le64 tree_root;
__le64 tree_root_gen;
__le64 chunk_root;
__le64 chunk_root_gen;
__le64 extent_root;
__le64 extent_root_gen;
__le64 fs_root;
__le64 fs_root_gen;
__le64 dev_root;
__le64 dev_root_gen;
__le64 csum_root;
__le64 csum_root_gen;
__le64 total_bytes;
__le64 bytes_used;
__le64 num_devices;
__le64 unused_64[4];
__u8 tree_root_level;
__u8 chunk_root_level;
__u8 extent_root_level;
__u8 fs_root_level;
__u8 dev_root_level;
__u8 csum_root_level;
__u8 unused_8[10];
} __attribute__((__packed__));
struct btrfs_item {
struct btrfs_disk_key key;
__le32 offset;
__le32 size;
} __attribute__((__packed__));
struct btrfs_leaf {
struct btrfs_header header;
struct btrfs_item items[];
} __attribute__((__packed__));
struct btrfs_key_ptr {
struct btrfs_disk_key key;
__le64 blockptr;
__le64 generation;
} __attribute__((__packed__));
struct btrfs_node {
struct btrfs_header header;
struct btrfs_key_ptr ptrs[];
} __attribute__((__packed__));
struct btrfs_dev_item {
__le64 devid;
__le64 total_bytes;
__le64 bytes_used;
__le32 io_align;
__le32 io_width;
__le32 sector_size;
__le64 type;
__le64 generation;
__le64 start_offset;
__le32 dev_group;
__u8 seek_speed;
__u8 bandwidth;
__u8 uuid[BTRFS_UUID_SIZE];
__u8 fsid[BTRFS_UUID_SIZE];
} __attribute__((__packed__));
struct btrfs_stripe {
__le64 devid;
__le64 offset;
__u8 dev_uuid[BTRFS_UUID_SIZE];
} __attribute__((__packed__));
struct btrfs_chunk {
__le64 length;
__le64 owner;
__le64 stripe_len;
__le64 type;
__le32 io_align;
__le32 io_width;
__le32 sector_size;
__le16 num_stripes;
__le16 sub_stripes;
struct btrfs_stripe stripe;
} __attribute__((__packed__));
struct btrfs_super_block {
__u8 csum[BTRFS_CSUM_SIZE];
__u8 fsid[BTRFS_FSID_SIZE];
__le64 bytenr;
__le64 flags;
__le64 magic;
__le64 generation;
__le64 root;
__le64 chunk_root;
__le64 log_root;
__le64 __unused_log_root_transid;
__le64 total_bytes;
__le64 bytes_used;
__le64 root_dir_objectid;
__le64 num_devices;
__le32 sectorsize;
__le32 nodesize;
__le32 __unused_leafsize;
__le32 stripesize;
__le32 sys_chunk_array_size;
__le64 chunk_root_generation;
__le64 compat_flags;
__le64 compat_ro_flags;
__le64 incompat_flags;
__le16 csum_type;
__u8 root_level;
__u8 chunk_root_level;
__u8 log_root_level;
struct btrfs_dev_item dev_item;
char label[BTRFS_LABEL_SIZE];
__le64 cache_generation;
__le64 uuid_tree_generation;
__u8 metadata_uuid[BTRFS_FSID_SIZE];
__u64 nr_global_roots;
__le64 reserved[27];
__u8 sys_chunk_array[BTRFS_SYSTEM_CHUNK_ARRAY_SIZE];
struct btrfs_root_backup super_roots[BTRFS_NUM_BACKUP_ROOTS];
__u8 padding[565];
} __attribute__((__packed__));
#define BTRFS_FREE_SPACE_EXTENT 1
#define BTRFS_FREE_SPACE_BITMAP 2
struct btrfs_free_space_entry {
__le64 offset;
__le64 bytes;
__u8 type;
} __attribute__((__packed__));
struct btrfs_free_space_header {
struct btrfs_disk_key location;
__le64 generation;
__le64 num_entries;
__le64 num_bitmaps;
} __attribute__((__packed__));
struct btrfs_raid_stride {
__le64 devid;
__le64 physical;
} __attribute__((__packed__));
#define BTRFS_STRIPE_RAID0 1
#define BTRFS_STRIPE_RAID1 2
#define BTRFS_STRIPE_DUP 3
#define BTRFS_STRIPE_RAID10 4
#define BTRFS_STRIPE_RAID5 5
#define BTRFS_STRIPE_RAID6 6
#define BTRFS_STRIPE_RAID1C3 7
#define BTRFS_STRIPE_RAID1C4 8
struct btrfs_stripe_extent {
__u8 encoding;
__u8 reserved[7];
struct btrfs_raid_stride strides[];
} __attribute__((__packed__));
#define BTRFS_HEADER_FLAG_WRITTEN (1ULL << 0)
#define BTRFS_HEADER_FLAG_RELOC (1ULL << 1)
#define BTRFS_SUPER_FLAG_ERROR (1ULL << 2)
#define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32)
#define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33)
#define BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34)
#define BTRFS_SUPER_FLAG_CHANGING_FSID (1ULL << 35)
#define BTRFS_SUPER_FLAG_CHANGING_FSID_V2 (1ULL << 36)
struct btrfs_extent_item {
__le64 refs;
__le64 generation;
__le64 flags;
} __attribute__((__packed__));
struct btrfs_extent_item_v0 {
__le32 refs;
} __attribute__((__packed__));
#define BTRFS_EXTENT_FLAG_DATA (1ULL << 0)
#define BTRFS_EXTENT_FLAG_TREE_BLOCK (1ULL << 1)
#define BTRFS_BLOCK_FLAG_FULL_BACKREF (1ULL << 8)
#define BTRFS_BACKREF_REV_MAX 256
#define BTRFS_BACKREF_REV_SHIFT 56
#define BTRFS_BACKREF_REV_MASK (((u64) BTRFS_BACKREF_REV_MAX - 1) << BTRFS_BACKREF_REV_SHIFT)
#define BTRFS_OLD_BACKREF_REV 0
#define BTRFS_MIXED_BACKREF_REV 1
#define BTRFS_EXTENT_FLAG_SUPER (1ULL << 48)
struct btrfs_tree_block_info {
struct btrfs_disk_key key;
__u8 level;
} __attribute__((__packed__));
struct btrfs_extent_data_ref {
__le64 root;
__le64 objectid;
__le64 offset;
__le32 count;
} __attribute__((__packed__));
struct btrfs_shared_data_ref {
__le32 count;
} __attribute__((__packed__));
struct btrfs_extent_owner_ref {
__le64 root_id;
} __attribute__((__packed__));
struct btrfs_extent_inline_ref {
__u8 type;
__le64 offset;
} __attribute__((__packed__));
struct btrfs_dev_extent {
__le64 chunk_tree;
__le64 chunk_objectid;
__le64 chunk_offset;
__le64 length;
__u8 chunk_tree_uuid[BTRFS_UUID_SIZE];
} __attribute__((__packed__));
struct btrfs_inode_ref {
__le64 index;
__le16 name_len;
} __attribute__((__packed__));
struct btrfs_inode_extref {
__le64 parent_objectid;
__le64 index;
__le16 name_len;
__u8 name[];
} __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__));
struct btrfs_dir_log_item {
__le64 end;
} __attribute__((__packed__));
struct btrfs_dir_item {
struct btrfs_disk_key location;
__le64 transid;
__le16 data_len;
__le16 name_len;
__u8 type;
} __attribute__((__packed__));
#define BTRFS_ROOT_SUBVOL_RDONLY (1ULL << 0)
#define BTRFS_ROOT_SUBVOL_DEAD (1ULL << 48)
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;
__le64 otransid;
__le64 stransid;
__le64 rtransid;
struct btrfs_timespec ctime;
struct btrfs_timespec otime;
struct btrfs_timespec stime;
struct btrfs_timespec rtime;
__le64 reserved[8];
} __attribute__((__packed__));
struct btrfs_root_ref {
__le64 dirid;
__le64 sequence;
__le16 name_len;
} __attribute__((__packed__));
struct btrfs_disk_balance_args {
__le64 profiles;
union {
__le64 usage;
struct {
__le32 usage_min;
__le32 usage_max;
};
};
__le64 devid;
__le64 pstart;
__le64 pend;
__le64 vstart;
__le64 vend;
__le64 target;
__le64 flags;
union {
__le64 limit;
struct {
__le32 limit_min;
__le32 limit_max;
};
};
__le32 stripes_min;
__le32 stripes_max;
__le64 unused[6];
} __attribute__((__packed__));
struct btrfs_balance_item {
__le64 flags;
struct btrfs_disk_balance_args data;
struct btrfs_disk_balance_args meta;
struct btrfs_disk_balance_args sys;
__le64 unused[4];
} __attribute__((__packed__));
enum {
BTRFS_FILE_EXTENT_INLINE = 0,
BTRFS_FILE_EXTENT_REG = 1,
BTRFS_FILE_EXTENT_PREALLOC = 2,
BTRFS_NR_FILE_EXTENT_TYPES = 3,
};
struct btrfs_file_extent_item {
__le64 generation;
__le64 ram_bytes;
__u8 compression;
__u8 encryption;
__le16 other_encoding;
__u8 type;
__le64 disk_bytenr;
__le64 disk_num_bytes;
__le64 offset;
__le64 num_bytes;
} __attribute__((__packed__));
struct btrfs_csum_item {
__u8 csum;
} __attribute__((__packed__));
struct btrfs_dev_stats_item {
__le64 values[BTRFS_DEV_STAT_VALUES_MAX];
} __attribute__((__packed__));
#define BTRFS_DEV_REPLACE_ITEM_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0
#define BTRFS_DEV_REPLACE_ITEM_CONT_READING_FROM_SRCDEV_MODE_AVOID 1
struct btrfs_dev_replace_item {
__le64 src_devid;
__le64 cursor_left;
__le64 cursor_right;
__le64 cont_reading_from_srcdev_mode;
__le64 replace_state;
__le64 time_started;
__le64 time_stopped;
__le64 num_write_errors;
__le64 num_uncorrectable_read_errors;
} __attribute__((__packed__));
#define BTRFS_BLOCK_GROUP_DATA (1ULL << 0)
#define BTRFS_BLOCK_GROUP_SYSTEM (1ULL << 1)
#define BTRFS_BLOCK_GROUP_METADATA (1ULL << 2)
#define BTRFS_BLOCK_GROUP_RAID0 (1ULL << 3)
#define BTRFS_BLOCK_GROUP_RAID1 (1ULL << 4)
#define BTRFS_BLOCK_GROUP_DUP (1ULL << 5)
#define BTRFS_BLOCK_GROUP_RAID10 (1ULL << 6)
#define BTRFS_BLOCK_GROUP_RAID5 (1ULL << 7)
#define BTRFS_BLOCK_GROUP_RAID6 (1ULL << 8)
#define BTRFS_BLOCK_GROUP_RAID1C3 (1ULL << 9)
#define BTRFS_BLOCK_GROUP_RAID1C4 (1ULL << 10)
#define BTRFS_BLOCK_GROUP_RESERVED (BTRFS_AVAIL_ALLOC_BIT_SINGLE | BTRFS_SPACE_INFO_GLOBAL_RSV)
#define BTRFS_BLOCK_GROUP_TYPE_MASK (BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_SYSTEM | BTRFS_BLOCK_GROUP_METADATA)
#define BTRFS_BLOCK_GROUP_PROFILE_MASK (BTRFS_BLOCK_GROUP_RAID0 | BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID1C3 | BTRFS_BLOCK_GROUP_RAID1C4 | BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6 | BTRFS_BLOCK_GROUP_DUP | BTRFS_BLOCK_GROUP_RAID10)
#define BTRFS_BLOCK_GROUP_RAID56_MASK (BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6)
#define BTRFS_BLOCK_GROUP_RAID1_MASK (BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID1C3 | BTRFS_BLOCK_GROUP_RAID1C4)
#define BTRFS_AVAIL_ALLOC_BIT_SINGLE (1ULL << 48)
#define BTRFS_SPACE_INFO_GLOBAL_RSV (1ULL << 49)
#define BTRFS_EXTENDED_PROFILE_MASK (BTRFS_BLOCK_GROUP_PROFILE_MASK | BTRFS_AVAIL_ALLOC_BIT_SINGLE)
struct btrfs_block_group_item {
__le64 used;
__le64 chunk_objectid;
__le64 flags;
} __attribute__((__packed__));
struct btrfs_free_space_info {
__le32 extent_count;
__le32 flags;
} __attribute__((__packed__));
#define BTRFS_FREE_SPACE_USING_BITMAPS (1ULL << 0)
#define BTRFS_QGROUP_LEVEL_SHIFT 48
#define BTRFS_QGROUP_STATUS_FLAG_ON (1ULL << 0)
#define BTRFS_QGROUP_STATUS_FLAG_RESCAN (1ULL << 1)
#define BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT (1ULL << 2)
#define BTRFS_QGROUP_STATUS_FLAG_SIMPLE_MODE (1ULL << 3)
#define BTRFS_QGROUP_STATUS_FLAGS_MASK (BTRFS_QGROUP_STATUS_FLAG_ON | BTRFS_QGROUP_STATUS_FLAG_RESCAN | BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT | BTRFS_QGROUP_STATUS_FLAG_SIMPLE_MODE)
#define BTRFS_QGROUP_STATUS_VERSION 1
struct btrfs_qgroup_status_item {
__le64 version;
__le64 generation;
__le64 flags;
__le64 rescan;
__le64 enable_gen;
} __attribute__((__packed__));
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__));
struct btrfs_verity_descriptor_item {
__le64 size;
__le64 reserved[2];
__u8 encryption;
} __attribute__((__packed__));
#endif
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