Have you had a look at ZoneFS? It exposes pretty much exactly that model to userspace: https://www.kernel.org/doc/html/latest/filesystems/zonefs.html https://ww

Have you had a look at ZoneFS? It exposes pretty much exactly that model to userspace: https://www.kernel.org/doc/html/latest/filesystems/zonefs.html https://www.kernel.org/doc/html/latest/filesystems/zonefs.ht... It does need support from the storage device though.