Pluggable Disk Scheduler Project

[Alexander Leidinger]

Quoting Fabio Checconi <fabio at freebsd.org> (from Thu, 11 Oct 2007  
13:48:28 +0200):

>> From: Ulf Lilleengen <lulf at stud.ntnu.no>
>> Date: Thu, Oct 11, 2007 10:07:34AM +0200
>>
>> On tor, okt 11, 2007 at 04:20:01 +0200, Fabio Checconi wrote:

>> >     o What can be an interface for disk schedulers?
>> I think the interface developed in [1] is a pretty good one   
>> actually. I think
>> the disksort-routines looked as a good place to do this. Even there it might
>> not know enough about the hardware.
>>
>> >     o How to deal with devices that handle multiple request per time?
>> This is an example of the problems you get doing this in GEOM. You   
>> don't have
>> very good knowledge of the hardware.

One can't pass this info from the lower layers up into GEOM (maybe by  
adding some attribute querying interface in GEOM if it doesn't exist)?

Bye,
Alexander.

-- 
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