Sounds like you reinvented mbuffer. http://www.maier-komor.de/mbuffer.html http://www.maier-komor.de/mbuffer.html Why not publish yours as well? For other fi

Sounds like you reinvented mbuffer. http://www.maier-komor.de/mbuffer.html http://www.maier-komor.de/mbuffer.html Why not publish yours as well? For other file systems (not ZFS), spd_readdir.so can offer a good performance boost. https://kernel.googlesource.com/pub/scm/linux/kernel/git/djwong/e2fsprogs/+/748924621fdd0e70a191091915fc9724d42e4796/contrib/spd_readdir.c https://kernel.googlesource.com/pub/scm/linux/kernel/git/djw... It's probably possible to do the same on ZFS, but CoW certainly makes realizing this concept more difficult.