Messages in this thread | | | Subject | Re: dm: pass up rotational flag | From | "Martin K. Petersen" <> | Date | Thu, 26 May 2011 14:29:41 -0400 |
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>>>>> "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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