Re: IO buffer alignment for block devices

James Bottomley
2004-09-13T15:28:29Z

On Mon, 2004-09-13 at 11:16, Saeed Bishara wrote:
> isn't the default 512, this is what I see in blk_queue_make_request.
>
> <http://lxr.linux.no/ident?v=2.6.8.1;i=blk_queue_make_request>

In the block layer, yes. In SCSI we tune that down to be 8 for backward
compatibility with 2.4, I think, but LLDs can tune it up again.

> any Ideas about lk 2.4?

Not really; since it's end of life, you could probably get away with not
back porting to 2.4

James