Newsmail wrote: > I see, why do we need to have the highest priority possible for the loop > device? Keeping underlying disk driver request queue filled with requests improves performance. High priority loop thread helps keeping that request queue filled. > and why does -20 just work fine for normal kernels? Because schedulers are different. Nice -20 with old scheduler does not cause bad interactivity. Regards, Jari Ruusu <jari.ruusu@pp.inet.fi> - Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/