On 04/13/2016 05:41 AM, Alex Bligh wrote: > > On 13 Apr 2016, at 12:05, Alex Bligh <a...@alex.org.uk> wrote: > >>> Having a default for preferred block size sounds sane, although it might >>> be better to switch it to 4096 (which is what most conversations seem to >>> use today) rather than 512. >> >> +1 > > Actually doubly +1, as this in theory allows for O_DIRECT type optimisation > with 4k page sizes.
Telling clients to use a default preferred size of 64k (rather than 4k) is still nice for O_DIRECT optimizations. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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