| #val_type uint64_t | |
| BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0) | |
| BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1) | |
| BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2) | |
| BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3) | |
| BTRFS_FEATURE_INCOMPAT_COMPRESS_LZOv2 (1ULL << 4) | |
| BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5) | |
| BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6) | |
| BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7) | |
| BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) | |
| BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) |