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    |   xen-devel
Re: [Xen-devel] poor domU VBD performance. 
| To: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |  
| Subject: | Re: [Xen-devel] poor domU VBD performance. |  
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |  
| Date: | Thu, 31 Mar 2005 20:10:58 +0100 |  
| Cc: | Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>,	Xen development list <xen-devel@xxxxxxxxxxxxxxxxxxx>,	Kurt Garloff <garloff@xxxxxxx>, Philip R Auld <pauld@xxxxxxxxxxx>,	Vincent Hanquez <tab@xxxxxxxxx>, Jens Axboe <axboe@xxxxxxx>,	Christian Limpach <Christian.Limpach@xxxxxxxxxxxx> |  
| Delivery-date: | Thu, 31 Mar 2005 19:12:23 +0000 |  
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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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RE: [Xen-devel] poor domU VBD performance., Ian Pratt
Re: [Xen-devel] poor domU VBD performance., Andrew Theurer
RE: [Xen-devel] poor domU VBD performance., Ian PrattRe: [Xen-devel] poor domU VBD performance., (continued)
Re: [Xen-devel] poor domU VBD performance., Keir Fraser
Re: [Xen-devel] poor domU VBD performance., Andrew Theurer
Re: [Xen-devel] poor domU VBD performance., Jens Axboe
Re: [Xen-devel] poor domU VBD performance., Philip R Auld
Re: [Xen-devel] poor domU VBD performance., Philip R Auld
Re: [Xen-devel] poor domU VBD performance., Jens Axboe
Re: [Xen-devel] poor domU VBD performance., Philip R Auld
Re: [Xen-devel] poor domU VBD performance., Keir Fraser
Re: [Xen-devel] poor domU VBD performance.,
Keir Fraser <=
Re: [Xen-devel] poor domU VBD performance., Jens Axboe
Re: [Xen-devel] poor domU VBD performance., Jens Axboe
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