Published at LXer:
The main goal for this new file-system is to "match ext4 and xfs on performance and reliability, but with the features of btrfs/zfs." This new file-system is Bcachefs. BcacheFS is based on BCache, the Linux kernel block layer cache for pairing a large-capacity hard drive with a low-capacity, high-performance solid-state drive to act as a cache.
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