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Re: [dm-devel] [PATCH 20/20] dm-crypt: sort writes




On Tue, 21 Aug 2012, Alasdair G Kergon wrote:

> On Tue, Aug 21, 2012 at 11:09:31AM +0200, Mikulas Patocka wrote:
> > In theory the sorting should be performed by the underlying disk scheduler,
> > however, in practice the disk scheduler accepts and sorts only 128 requests.
> > In order to sort more requests, we need to implement our own sorting.
>  
> Why 128?  Isn't this nr_requests?
> (I thought we discussed this before.)
> 
> Alasdair

Yes, that's nr_requests. The user can raise it, but the default is 128.

Mikulas


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