Peter Lieven <p...@kamp.de> writes: > this patch tries to optimize zero write requests > by automatically using bdrv_write_zeroes if it is > supported by the format. > > this should significantly speed up file system initialization and > should speed zero write test used to test backend storage performance. > > the difference can simply be tested by e.g. > > dd if=/dev/zero of=/dev/vdX bs=1M
Got actual numbers? Preferably for some operation that matters to users. [...]
