[lkml]   [2011]   [May]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: dm: pass up rotational flag
>>>>> "Mike" == Mike Snitzer <> 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

 \ /
  Last update: 2011-05-26 20:33    [W:0.090 / U:0.628 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site