1106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris/**************************************************************************** 2106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris **************************************************************************** 3106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** 4106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** This header was automatically generated from a Linux kernel header 5106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** of the same name, to make information necessary for userspace to 6106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** call into the kernel available to libc. It contains only constants, 7106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** structures, and macros generated from the original header, and thus, 8106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** contains no copyrightable information. 9106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** 10106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** To edit the content of this header, modify the corresponding 11106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** source file (e.g. under external/kernel-headers/original/) then 12106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** run bionic/libc/kernel/tools/update_all.py 13106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** 14106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** Any manual change here will be lost the next time this script will 15106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** be run. You've been warned! 16106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris *** 17106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris **************************************************************************** 18106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris ****************************************************************************/ 19106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#ifndef _BTRFS_CTREE_H_ 20106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define _BTRFS_CTREE_H_ 21525ce914edf136d2bd02ac8c404d56c52e737f4dChristopher Ferris#include <linux/btrfs.h> 22525ce914edf136d2bd02ac8c404d56c52e737f4dChristopher Ferris#include <linux/types.h> 23106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_ROOT_TREE_OBJECTID 1ULL 24106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_TREE_OBJECTID 2ULL 25106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_CHUNK_TREE_OBJECTID 3ULL 26106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_TREE_OBJECTID 4ULL 27106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FS_TREE_OBJECTID 5ULL 28106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_ROOT_TREE_DIR_OBJECTID 6ULL 29106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_CSUM_TREE_OBJECTID 7ULL 30106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QUOTA_TREE_OBJECTID 8ULL 31106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_UUID_TREE_OBJECTID 9ULL 32106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FREE_SPACE_TREE_OBJECTID 10ULL 33106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_STATS_OBJECTID 0ULL 34106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BALANCE_OBJECTID - 4ULL 35106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_ORPHAN_OBJECTID - 5ULL 36106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_TREE_LOG_OBJECTID - 6ULL 37106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_TREE_LOG_FIXUP_OBJECTID - 7ULL 38106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_TREE_RELOC_OBJECTID - 8ULL 39106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DATA_RELOC_TREE_OBJECTID - 9ULL 40106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_CSUM_OBJECTID - 10ULL 41106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FREE_SPACE_OBJECTID - 11ULL 42106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FREE_INO_OBJECTID - 12ULL 43106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_MULTIPLE_OBJECTIDS - 255ULL 44106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FIRST_FREE_OBJECTID 256ULL 45106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_LAST_FREE_OBJECTID - 256ULL 46106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FIRST_CHUNK_TREE_OBJECTID 256ULL 47106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_ITEMS_OBJECTID 1ULL 48106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BTREE_INODE_OBJECTID 1 49106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EMPTY_SUBVOL_DIR_OBJECTID 2 50106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_REPLACE_DEVID 0ULL 51106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_INODE_ITEM_KEY 1 52106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_INODE_REF_KEY 12 53106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_INODE_EXTREF_KEY 13 54106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_XATTR_ITEM_KEY 24 55106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_ORPHAN_ITEM_KEY 48 56106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DIR_LOG_ITEM_KEY 60 57106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DIR_LOG_INDEX_KEY 72 58106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DIR_ITEM_KEY 84 59106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DIR_INDEX_KEY 96 60106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_DATA_KEY 108 61106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_CSUM_KEY 128 62106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_ROOT_ITEM_KEY 132 63106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_ROOT_BACKREF_KEY 144 64106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_ROOT_REF_KEY 156 65106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_ITEM_KEY 168 66106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_METADATA_ITEM_KEY 169 67106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_TREE_BLOCK_REF_KEY 176 68106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_DATA_REF_KEY 178 69106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_REF_V0_KEY 180 70106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_SHARED_BLOCK_REF_KEY 182 71106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_SHARED_DATA_REF_KEY 184 72106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_ITEM_KEY 192 73106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FREE_SPACE_INFO_KEY 198 74106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FREE_SPACE_EXTENT_KEY 199 75106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FREE_SPACE_BITMAP_KEY 200 76106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_EXTENT_KEY 204 77106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_ITEM_KEY 216 78106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_CHUNK_ITEM_KEY 228 79106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QGROUP_STATUS_KEY 240 80106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QGROUP_INFO_KEY 242 81106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QGROUP_LIMIT_KEY 244 82106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QGROUP_RELATION_KEY 246 83106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BALANCE_ITEM_KEY 248 84106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_TEMPORARY_ITEM_KEY 248 85106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_STATS_KEY 249 86106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_PERSISTENT_ITEM_KEY 249 87106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_REPLACE_KEY 250 88106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#if BTRFS_UUID_SIZE != 16 89106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#error "UUID items require BTRFS_UUID_SIZE == 16!" 90106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#endif 91106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_UUID_KEY_SUBVOL 251 92106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_UUID_KEY_RECEIVED_SUBVOL 252 93106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_STRING_ITEM_KEY 253 94106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_CSUM_SIZE 32 95106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_CSUM_TYPE_CRC32 0 96106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_UNKNOWN 0 97106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_REG_FILE 1 98106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_DIR 2 99106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_CHRDEV 3 100106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_BLKDEV 4 101106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_FIFO 5 102106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_SOCK 6 103106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_SYMLINK 7 104106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_XATTR 8 105106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FT_MAX 9 106106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_disk_key { 107106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 objectid; 108106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 type; 109106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 offset; 110106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 111106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_key { 112106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u64 objectid; 113106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 type; 114106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u64 offset; 115106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 116106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_dev_item { 117106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 devid; 118106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 total_bytes; 119106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 bytes_used; 120106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 io_align; 121106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 io_width; 122106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 sector_size; 123106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 type; 124106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation; 125106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 start_offset; 126106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 dev_group; 127106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 seek_speed; 128106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 bandwidth; 129106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 uuid[BTRFS_UUID_SIZE]; 130106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 fsid[BTRFS_UUID_SIZE]; 131106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 132106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_stripe { 133106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 devid; 134106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 offset; 135106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 dev_uuid[BTRFS_UUID_SIZE]; 136106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 137106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_chunk { 138106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 length; 139106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 owner; 140106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 stripe_len; 141106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 type; 142106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 io_align; 143106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 io_width; 144106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 sector_size; 145106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le16 num_stripes; 146106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le16 sub_stripes; 147106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_stripe stripe; 148106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 149106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FREE_SPACE_EXTENT 1 150106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FREE_SPACE_BITMAP 2 151106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_free_space_entry { 152106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 offset; 153106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 bytes; 154106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 type; 155106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 156106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_free_space_header { 157106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_disk_key location; 158106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation; 159106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 num_entries; 160106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 num_bitmaps; 161106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 162106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_HEADER_FLAG_WRITTEN (1ULL << 0) 163106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_HEADER_FLAG_RELOC (1ULL << 1) 164106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_SUPER_FLAG_ERROR (1ULL << 2) 165106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32) 166106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33) 167106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_extent_item { 168106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 refs; 169106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation; 170106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 flags; 171106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 172106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_extent_item_v0 { 173106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 refs; 174106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 175106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_FLAG_DATA (1ULL << 0) 176106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_FLAG_TREE_BLOCK (1ULL << 1) 177106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_FLAG_FULL_BACKREF (1ULL << 8) 178106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENT_FLAG_SUPER (1ULL << 48) 179106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_tree_block_info { 180106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_disk_key key; 181106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 level; 182106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 183106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_extent_data_ref { 184106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 root; 185106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 objectid; 186106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 offset; 187106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 count; 188106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 189106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_shared_data_ref { 190106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 count; 191106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 192106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_extent_inline_ref { 193106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 type; 194106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 offset; 195106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 196106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_extent_ref_v0 { 197106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 root; 198106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation; 199106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 objectid; 200106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 count; 201106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 202106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_dev_extent { 203106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 chunk_tree; 204106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 chunk_objectid; 205106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 chunk_offset; 206106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 length; 207106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 chunk_tree_uuid[BTRFS_UUID_SIZE]; 208106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 209106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_inode_ref { 210106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 index; 211106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le16 name_len; 212106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 213106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_inode_extref { 214106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 parent_objectid; 215106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 index; 216106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le16 name_len; 217106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 name[0]; 218106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 219106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_timespec { 220106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 sec; 221106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 nsec; 222106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 223106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_inode_item { 224106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation; 225106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 transid; 226106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 size; 227106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 nbytes; 228106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 block_group; 229106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 nlink; 230106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 uid; 231106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 gid; 232106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 mode; 233106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 rdev; 234106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 flags; 235106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 sequence; 236106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 reserved[4]; 237106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_timespec atime; 238106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_timespec ctime; 239106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_timespec mtime; 240106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_timespec otime; 241106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 242106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_dir_log_item { 243106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 end; 244106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 245106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_dir_item { 246106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_disk_key location; 247106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 transid; 248106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le16 data_len; 249106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le16 name_len; 250106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 type; 251106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 252106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_ROOT_SUBVOL_RDONLY (1ULL << 0) 253106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_ROOT_SUBVOL_DEAD (1ULL << 48) 254106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_root_item { 255106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_inode_item inode; 256106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation; 257106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 root_dirid; 258106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 bytenr; 259106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 byte_limit; 260106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 bytes_used; 261106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 last_snapshot; 262106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 flags; 263106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 refs; 264106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_disk_key drop_progress; 265106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 drop_level; 266106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 level; 267106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation_v2; 268106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 uuid[BTRFS_UUID_SIZE]; 269106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 parent_uuid[BTRFS_UUID_SIZE]; 270106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 received_uuid[BTRFS_UUID_SIZE]; 271106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 ctransid; 272106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 otransid; 273106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 stransid; 274106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 rtransid; 275106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_timespec ctime; 276106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_timespec otime; 277106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_timespec stime; 278106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_timespec rtime; 279106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 reserved[8]; 280106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 281106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_root_ref { 282106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 dirid; 283106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 sequence; 284106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le16 name_len; 285106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 286106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_disk_balance_args { 287106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 profiles; 288106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris union { 289106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 usage; 290106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct { 291106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 usage_min; 292106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 usage_max; 293106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris }; 294106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris }; 295106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 devid; 296106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 pstart; 297106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 pend; 298106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 vstart; 299106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 vend; 300106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 target; 301106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 flags; 302106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris union { 303106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 limit; 304106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct { 305106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 limit_min; 306106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 limit_max; 307106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris }; 308106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris }; 309106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 stripes_min; 310106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 stripes_max; 311106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 unused[6]; 312106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 313106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_balance_item { 314106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 flags; 315106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_disk_balance_args data; 316106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_disk_balance_args meta; 317106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris struct btrfs_disk_balance_args sys; 318106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 unused[4]; 319106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 320106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FILE_EXTENT_INLINE 0 321106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FILE_EXTENT_REG 1 322106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FILE_EXTENT_PREALLOC 2 323934ec9495505d234b2c2fa284470c2f44aae9de9Christopher Ferris#define BTRFS_FILE_EXTENT_TYPES 2 324106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_file_extent_item { 325106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation; 326106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 ram_bytes; 327106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 compression; 328106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 encryption; 329106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le16 other_encoding; 330106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 type; 331106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 disk_bytenr; 332106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 disk_num_bytes; 333106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 offset; 334106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 num_bytes; 335106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 336106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_csum_item { 337106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __u8 csum; 338106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 339106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_dev_stats_item { 340106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 values[BTRFS_DEV_STAT_VALUES_MAX]; 341106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 342106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_REPLACE_ITEM_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0 343106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_REPLACE_ITEM_CONT_READING_FROM_SRCDEV_MODE_AVOID 1 344106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_REPLACE_ITEM_STATE_NEVER_STARTED 0 345106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_REPLACE_ITEM_STATE_STARTED 1 346106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_REPLACE_ITEM_STATE_SUSPENDED 2 347106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_REPLACE_ITEM_STATE_FINISHED 3 348106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_DEV_REPLACE_ITEM_STATE_CANCELED 4 349106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_dev_replace_item { 350106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 src_devid; 351106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 cursor_left; 352106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 cursor_right; 353106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 cont_reading_from_srcdev_mode; 354106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 replace_state; 355106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 time_started; 356106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 time_stopped; 357106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 num_write_errors; 358106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 num_uncorrectable_read_errors; 359106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 360106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_DATA (1ULL << 0) 361106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_SYSTEM (1ULL << 1) 362106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_METADATA (1ULL << 2) 363106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_RAID0 (1ULL << 3) 364106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_RAID1 (1ULL << 4) 365106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_DUP (1ULL << 5) 366106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_RAID10 (1ULL << 6) 367106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_RAID5 (1ULL << 7) 368106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_RAID6 (1ULL << 8) 369106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_RESERVED (BTRFS_AVAIL_ALLOC_BIT_SINGLE | BTRFS_SPACE_INFO_GLOBAL_RSV) 370106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisenum btrfs_raid_types { 371106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris BTRFS_RAID_RAID10, 372106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris BTRFS_RAID_RAID1, 373106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris BTRFS_RAID_DUP, 374106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris BTRFS_RAID_RAID0, 375106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris BTRFS_RAID_SINGLE, 376106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris BTRFS_RAID_RAID5, 377106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris BTRFS_RAID_RAID6, 378106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris BTRFS_NR_RAID_TYPES 379106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris}; 380106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_TYPE_MASK (BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_SYSTEM | BTRFS_BLOCK_GROUP_METADATA) 381106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_PROFILE_MASK (BTRFS_BLOCK_GROUP_RAID0 | BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6 | BTRFS_BLOCK_GROUP_DUP | BTRFS_BLOCK_GROUP_RAID10) 382106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_BLOCK_GROUP_RAID56_MASK (BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6) 383106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_AVAIL_ALLOC_BIT_SINGLE (1ULL << 48) 384106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_SPACE_INFO_GLOBAL_RSV (1ULL << 49) 385106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_EXTENDED_PROFILE_MASK (BTRFS_BLOCK_GROUP_PROFILE_MASK | BTRFS_AVAIL_ALLOC_BIT_SINGLE) 386106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_block_group_item { 387106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 used; 388106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 chunk_objectid; 389106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 flags; 390106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 391106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_free_space_info { 392106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 extent_count; 393106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le32 flags; 394106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 395106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_FREE_SPACE_USING_BITMAPS (1ULL << 0) 396106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QGROUP_LEVEL_SHIFT 48 397106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QGROUP_STATUS_FLAG_ON (1ULL << 0) 398106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QGROUP_STATUS_FLAG_RESCAN (1ULL << 1) 399106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT (1ULL << 2) 400106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define BTRFS_QGROUP_STATUS_VERSION 1 401106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_qgroup_status_item { 402106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 version; 403106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation; 404106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 flags; 405106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 rescan; 406106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 407106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_qgroup_info_item { 408106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 generation; 409106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 rfer; 410106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 rfer_cmpr; 411106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 excl; 412106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 excl_cmpr; 413106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 414106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferrisstruct btrfs_qgroup_limit_item { 415106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 flags; 416106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 max_rfer; 417106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 max_excl; 418106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 rsv_rfer; 419106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris __le64 rsv_excl; 420106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris} __attribute__((__packed__)); 421106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#endif 422