15 #define BTRFS_MAGIC 0x4d5f53665248425f 16 #define MAX_LABEL_SIZE 0x100 17 #define SUBVOL_ROOT_INODE 0x100 19 #define TYPE_INODE_ITEM 0x01 20 #define TYPE_INODE_REF 0x0C 21 #define TYPE_INODE_EXTREF 0x0D 22 #define TYPE_XATTR_ITEM 0x18 23 #define TYPE_ORPHAN_INODE 0x30 24 #define TYPE_DIR_ITEM 0x54 25 #define TYPE_DIR_INDEX 0x60 26 #define TYPE_EXTENT_DATA 0x6C 27 #define TYPE_EXTENT_CSUM 0x80 28 #define TYPE_ROOT_ITEM 0x84 29 #define TYPE_ROOT_BACKREF 0x90 30 #define TYPE_ROOT_REF 0x9C 31 #define TYPE_EXTENT_ITEM 0xA8 32 #define TYPE_METADATA_ITEM 0xA9 33 #define TYPE_TREE_BLOCK_REF 0xB0 34 #define TYPE_EXTENT_DATA_REF 0xB2 35 #define TYPE_EXTENT_REF_V0 0xB4 36 #define TYPE_SHARED_BLOCK_REF 0xB6 37 #define TYPE_SHARED_DATA_REF 0xB8 38 #define TYPE_BLOCK_GROUP_ITEM 0xC0 39 #define TYPE_FREE_SPACE_INFO 0xC6 40 #define TYPE_FREE_SPACE_EXTENT 0xC7 41 #define TYPE_FREE_SPACE_BITMAP 0xC8 42 #define TYPE_DEV_EXTENT 0xCC 43 #define TYPE_DEV_ITEM 0xD8 44 #define TYPE_CHUNK_ITEM 0xE4 45 #define TYPE_TEMP_ITEM 0xF8 46 #define TYPE_DEV_STATS 0xF9 47 #define TYPE_SUBVOL_UUID 0xFB 48 #define TYPE_SUBVOL_REC_UUID 0xFC 50 #define BTRFS_ROOT_ROOT 1 51 #define BTRFS_ROOT_EXTENT 2 52 #define BTRFS_ROOT_CHUNK 3 53 #define BTRFS_ROOT_DEVTREE 4 54 #define BTRFS_ROOT_FSTREE 5 55 #define BTRFS_ROOT_TREEDIR 6 56 #define BTRFS_ROOT_CHECKSUM 7 57 #define BTRFS_ROOT_UUID 9 58 #define BTRFS_ROOT_FREE_SPACE 0xa 59 #define BTRFS_ROOT_DATA_RELOC 0xFFFFFFFFFFFFFFF7 61 #define BTRFS_COMPRESSION_NONE 0 62 #define BTRFS_COMPRESSION_ZLIB 1 63 #define BTRFS_COMPRESSION_LZO 2 64 #define BTRFS_COMPRESSION_ZSTD 3 66 #define BTRFS_ENCRYPTION_NONE 0 68 #define BTRFS_ENCODING_NONE 0 70 #define EXTENT_TYPE_INLINE 0 71 #define EXTENT_TYPE_REGULAR 1 72 #define EXTENT_TYPE_PREALLOC 2 74 #define BLOCK_FLAG_DATA 0x001 75 #define BLOCK_FLAG_SYSTEM 0x002 76 #define BLOCK_FLAG_METADATA 0x004 77 #define BLOCK_FLAG_RAID0 0x008 78 #define BLOCK_FLAG_RAID1 0x010 79 #define BLOCK_FLAG_DUPLICATE 0x020 80 #define BLOCK_FLAG_RAID10 0x040 81 #define BLOCK_FLAG_RAID5 0x080 82 #define BLOCK_FLAG_RAID6 0x100 83 #define BLOCK_FLAG_RAID1C3 0x200 84 #define BLOCK_FLAG_RAID1C4 0x400 86 #define FREE_SPACE_CACHE_ID 0xFFFFFFFFFFFFFFF5 87 #define EXTENT_CSUM_ID 0xFFFFFFFFFFFFFFF6 88 #define BALANCE_ITEM_ID 0xFFFFFFFFFFFFFFFC 90 #define BTRFS_INODE_NODATASUM 0x001 91 #define BTRFS_INODE_NODATACOW 0x002 92 #define BTRFS_INODE_READONLY 0x004 93 #define BTRFS_INODE_NOCOMPRESS 0x008 94 #define BTRFS_INODE_PREALLOC 0x010 95 #define BTRFS_INODE_SYNC 0x020 96 #define BTRFS_INODE_IMMUTABLE 0x040 97 #define BTRFS_INODE_APPEND 0x080 98 #define BTRFS_INODE_NODUMP 0x100 99 #define BTRFS_INODE_NOATIME 0x200 100 #define BTRFS_INODE_DIRSYNC 0x400 101 #define BTRFS_INODE_COMPRESS 0x800 103 #define BTRFS_SUBVOL_READONLY 0x1 105 #define BTRFS_COMPAT_RO_FLAGS_FREE_SPACE_CACHE 0x1 106 #define BTRFS_COMPAT_RO_FLAGS_FREE_SPACE_CACHE_VALID 0x2 108 #define BTRFS_INCOMPAT_FLAGS_MIXED_BACKREF 0x0001 109 #define BTRFS_INCOMPAT_FLAGS_DEFAULT_SUBVOL 0x0002 110 #define BTRFS_INCOMPAT_FLAGS_MIXED_GROUPS 0x0004 111 #define BTRFS_INCOMPAT_FLAGS_COMPRESS_LZO 0x0008 112 #define BTRFS_INCOMPAT_FLAGS_COMPRESS_ZSTD 0x0010 113 #define BTRFS_INCOMPAT_FLAGS_BIG_METADATA 0x0020 114 #define BTRFS_INCOMPAT_FLAGS_EXTENDED_IREF 0x0040 115 #define BTRFS_INCOMPAT_FLAGS_RAID56 0x0080 116 #define BTRFS_INCOMPAT_FLAGS_SKINNY_METADATA 0x0100 117 #define BTRFS_INCOMPAT_FLAGS_NO_HOLES 0x0200 118 #define BTRFS_INCOMPAT_FLAGS_METADATA_UUID 0x0400 119 #define BTRFS_INCOMPAT_FLAGS_RAID1C34 0x0800 121 #define BTRFS_SUPERBLOCK_FLAGS_SEEDING 0x100000000 123 #define BTRFS_ORPHAN_INODE_OBJID 0xFFFFFFFFFFFFFFFB 125 #define CSUM_TYPE_CRC32C 0 126 #define CSUM_TYPE_XXHASH 1 127 #define CSUM_TYPE_SHA256 2 128 #define CSUM_TYPE_BLAKE2 3 130 #pragma pack(push, 1) 142 #define HEADER_FLAG_WRITTEN 0x000000000000001 143 #define HEADER_FLAG_SHARED_BACKREF 0x000000000000002 144 #define HEADER_FLAG_MIXED_BACKREF 0x100000000000000 187 #define SYS_CHUNK_ARRAY_SIZE 0x800 188 #define BTRFS_NUM_BACKUP_ROOTS 4 255 #define BTRFS_TYPE_UNKNOWN 0 256 #define BTRFS_TYPE_FILE 1 257 #define BTRFS_TYPE_DIRECTORY 2 258 #define BTRFS_TYPE_CHARDEV 3 259 #define BTRFS_TYPE_BLOCKDEV 4 260 #define BTRFS_TYPE_FIFO 5 261 #define BTRFS_TYPE_SOCKET 6 262 #define BTRFS_TYPE_SYMLINK 7 263 #define BTRFS_TYPE_EA 8 375 #define EXTENT_ITEM_DATA 0x001 376 #define EXTENT_ITEM_TREE_BLOCK 0x002 377 #define EXTENT_ITEM_SHARED_BACKREFS 0x100 433 #define FREE_SPACE_EXTENT 1 434 #define FREE_SPACE_BITMAP 2 464 #define BALANCE_FLAGS_DATA 0x1 465 #define BALANCE_FLAGS_SYSTEM 0x2 466 #define BALANCE_FLAGS_METADATA 0x4 468 #define BALANCE_ARGS_FLAGS_PROFILES 0x001 469 #define BALANCE_ARGS_FLAGS_USAGE 0x002 470 #define BALANCE_ARGS_FLAGS_DEVID 0x004 471 #define BALANCE_ARGS_FLAGS_DRANGE 0x008 472 #define BALANCE_ARGS_FLAGS_VRANGE 0x010 473 #define BALANCE_ARGS_FLAGS_LIMIT 0x020 474 #define BALANCE_ARGS_FLAGS_LIMIT_RANGE 0x040 475 #define BALANCE_ARGS_FLAGS_STRIPES_RANGE 0x080 476 #define BALANCE_ARGS_FLAGS_CONVERT 0x100 477 #define BALANCE_ARGS_FLAGS_SOFT 0x200 478 #define BALANCE_ARGS_FLAGS_USAGE_RANGE 0x400 520 #define BTRFS_FREE_SPACE_USING_BITMAPS 1 527 #define BTRFS_DEV_STAT_WRITE_ERRORS 0 528 #define BTRFS_DEV_STAT_READ_ERRORS 1 529 #define BTRFS_DEV_STAT_FLUSH_ERRORS 2 530 #define BTRFS_DEV_STAT_CORRUPTION_ERRORS 3 531 #define BTRFS_DEV_STAT_GENERATION_ERRORS 4 533 #define BTRFS_SEND_CMD_SUBVOL 1 534 #define BTRFS_SEND_CMD_SNAPSHOT 2 535 #define BTRFS_SEND_CMD_MKFILE 3 536 #define BTRFS_SEND_CMD_MKDIR 4 537 #define BTRFS_SEND_CMD_MKNOD 5 538 #define BTRFS_SEND_CMD_MKFIFO 6 539 #define BTRFS_SEND_CMD_MKSOCK 7 540 #define BTRFS_SEND_CMD_SYMLINK 8 541 #define BTRFS_SEND_CMD_RENAME 9 542 #define BTRFS_SEND_CMD_LINK 10 543 #define BTRFS_SEND_CMD_UNLINK 11 544 #define BTRFS_SEND_CMD_RMDIR 12 545 #define BTRFS_SEND_CMD_SET_XATTR 13 546 #define BTRFS_SEND_CMD_REMOVE_XATTR 14 547 #define BTRFS_SEND_CMD_WRITE 15 548 #define BTRFS_SEND_CMD_CLONE 16 549 #define BTRFS_SEND_CMD_TRUNCATE 17 550 #define BTRFS_SEND_CMD_CHMOD 18 551 #define BTRFS_SEND_CMD_CHOWN 19 552 #define BTRFS_SEND_CMD_UTIMES 20 553 #define BTRFS_SEND_CMD_END 21 554 #define BTRFS_SEND_CMD_UPDATE_EXTENT 22 556 #define BTRFS_SEND_TLV_UUID 1 557 #define BTRFS_SEND_TLV_TRANSID 2 558 #define BTRFS_SEND_TLV_INODE 3 559 #define BTRFS_SEND_TLV_SIZE 4 560 #define BTRFS_SEND_TLV_MODE 5 561 #define BTRFS_SEND_TLV_UID 6 562 #define BTRFS_SEND_TLV_GID 7 563 #define BTRFS_SEND_TLV_RDEV 8 564 #define BTRFS_SEND_TLV_CTIME 9 565 #define BTRFS_SEND_TLV_MTIME 10 566 #define BTRFS_SEND_TLV_ATIME 11 567 #define BTRFS_SEND_TLV_OTIME 12 568 #define BTRFS_SEND_TLV_XATTR_NAME 13 569 #define BTRFS_SEND_TLV_XATTR_DATA 14 570 #define BTRFS_SEND_TLV_PATH 15 571 #define BTRFS_SEND_TLV_PATH_TO 16 572 #define BTRFS_SEND_TLV_PATH_LINK 17 573 #define BTRFS_SEND_TLV_OFFSET 18 574 #define BTRFS_SEND_TLV_DATA 19 575 #define BTRFS_SEND_TLV_CLONE_UUID 20 576 #define BTRFS_SEND_TLV_CLONE_CTRANSID 21 577 #define BTRFS_SEND_TLV_CLONE_PATH 22 578 #define BTRFS_SEND_TLV_CLONE_OFFSET 23 579 #define BTRFS_SEND_TLV_CLONE_LENGTH 24 581 #define BTRFS_SEND_MAGIC "btrfs-stream"
uint64_t chunk_tree_generation
uint64_t extent_tree_generation
uint64_t root_tree_generation
uint64_t uuid_tree_generation
unsigned short int uint16_t
#define SYS_CHUNK_ARRAY_SIZE
#define BTRFS_NUM_BACKUP_ROOTS
uint32_t optimal_io_align
uint64_t dev_root_generation
uint64_t extent_tree_addr
uint32_t opt_io_alignment
uint64_t root_dir_objectid
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
uint64_t cache_generation
uint32_t optimal_io_width
static cab_ULONG checksum(const cab_UBYTE *data, cab_UWORD bytes, cab_ULONG csum)
uint64_t csum_root_generation
uint64_t last_snapshot_generation
static const uint64_t superblock_addrs[]
uint8_t extent_root_level
BTRFS_UUID chunktree_uuid
uint64_t chunk_root_generation
uint64_t log_root_transid
uint64_t fs_tree_generation