| #val_type uint64_t | |
| BTRFS_BLOCK_GROUP_DATA (1ULL << 0) | |
| BTRFS_BLOCK_GROUP_SYSTEM (1ULL << 1) | |
| BTRFS_BLOCK_GROUP_METADATA (1ULL << 2) | |
| BTRFS_BLOCK_GROUP_RAID0 (1ULL << 3) | |
| BTRFS_BLOCK_GROUP_RAID1 (1ULL << 4) | |
| BTRFS_BLOCK_GROUP_DUP (1ULL << 5) | |
| BTRFS_BLOCK_GROUP_RAID10 (1ULL << 6) | |
| BTRFS_BLOCK_GROUP_RAID5 (1ULL << 7) | |
| BTRFS_BLOCK_GROUP_RAID6 (1ULL << 8) | |
| BTRFS_AVAIL_ALLOC_BIT_SINGLE (1ULL << 48) | |
| BTRFS_SPACE_INFO_GLOBAL_RSV (1ULL << 49) |