On 26/09/2016 15:53, Vladimir Sementsov-Ogievskiy wrote: > On 26.09.2016 15:51, Paolo Bonzini wrote: >> This is very ad hoc. Can we instead have a block size common to all >> commands? Block devices in practice have one, in fact that's why >> they're called block devices... > > Block size can be too small to clear the whole disk in one request (i.e. > (2**31 * block_size) is too small..)
Considering that NBD supports multiple outstanding requests, is it a big deal to require one request per terabyte of storage? Paolo