Unfortunately, file system development is a pretty niche skill set these days, and the majority of the experts in the field are employed maintaining existing fi

Unfortunately, file system development is a pretty niche skill set these days, and the majority of the experts in the field are employed maintaining existing file systems (ext4, xfs, apfs, etc). One thing I’ve been bugging Kent to do is to write documentation about the design and internal workings on bcachefs; very little about modern file system design is actually written down anywhere, and a detailed reference manual would attract more people to work in this area.