Re: dm: pass up rotational flag

Martin K. Petersen
2011-05-26T18:29:58Z

>>>>> "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