Re: [Xen-devel] poor domU VBD performance.

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 31 Mar 2005, at 20:07, Keir Fraser wrote:

> Since all the bio's that I queue up in a single invocation of 
> dispatch_rw_block_io() will actually be adjacent to each other 
> (because they're all from the same scatter-gather list)
I should add: I know that the code makes it look like each s-g element 
might map somewhere entirely different from the previous one, but we no 
longer support that mode of operation. Each VBD now always maps onto a 
single, entire block device or partition.
 -- Keir


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