Constants

Corresponds to BTRFS_CSUM_SIZE.
Corresponds to BTRFS_FSID_SIZE.
Corresponds to BTRFS_LABEL_SIZE.
Corresponds to BTRFS_SYSTEM_CHUNK_ARRAY_SIZE.
Corresponds to BTRFS_NUM_BACKUP_ROOTS.
The physical address of the primary superblock.
The physical addresses of superblocks.
Corresponds to BTRFS_UUID_SIZE.