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Re: [dm-devel] dm: pass up rotational flag



>>>>> "Mike" == Mike Snitzer <snitzer redhat com> writes:

>> Allow the NONROT flag to be passed through to linear mappings if all
>> underlying device are non-rotational. Tools like ureadahead will
>> schedule IOs differently based on the rotational flag.

Mike> Thanks for doing this, looks good in general.

I'd rather we made the rotational property part of the topology instead
of having to special-case it in DM. I seem to recall posting a patch
that did that at some point but I can't seem to find it...

-- 
Martin K. Petersen	Oracle Linux Engineering


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