On 01/21/2012 12:26 AM, Paul Eggert wrote: > On 01/20/2012 06:15 AM, Pádraig Brady wrote: >> I'll go with "optimal I/O transfer size hint", > > There's no guarantee that it's optimal, > and I/O is always transfer, so how about > something like "I/O buffer size hint" instead?
Well I used optimal so that'sit's clear it's a performance knob, and it correlates with ioctl() and blockdev(1) params. Also "buffer size" might be construed as referring to an existing system buffer. So I marginally prefer what's already committed. cheers, Pádraig.
