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[dm-devel] Re: [PATCH RFC 0/4] use scatter lists for all block pc requests and simplify hw handlers



On Tue, 2005-06-07 at 20:07 +0200, Jens Axboe wrote:
> Why multi-bio? No one should ever have to build a request with multiple
> bio's in one go, that's pointless. The only reason multi-bio requests
> exist is because of the file systems not submitting big extents in one
> submission. The whole io path would be faster and simpler were it not
> for multi-bio requests :-)

OK, OK, sorry thinko ... I meant multi-biovec (which can be a single
bio) ... however, I'm not the only one who keeps being confused by
this ...

Incidentally, do I take it you're happy with all of this and I can take
(at least the block pieces) through the SCSI tree?

Mike, I won't taking the dm-multipath patch unless there's agreement
from Alasdair.

James



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