Re: blocksizes

[Brett Lymn <blymn%baesystems.com.au@localhost>]

On Fri, Jan 22, 2010 at 01:09:10PM +0100, Michael van Elst wrote:
> 
> Keeping DEV_SIZE at 512 bytes avoids lots of changes.
> 

Won't that mean there is a chance there will be a lot of
read/modify/write going on if the driver is pretending to have 512byte
sectors? Would that not be really really bad for NFS write performance
since the NFS spec says a write has to hit the media before being
confirmed then wouldn't a streaming write of 512byte sectors would
cause a lot of sequential read/modify/write as each 512byte chunk of
the underlying disk block size was updated?

-- 
Brett Lymn
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