On Fri, Mar 04, 2016 at 01:10:31PM -0500, Austin S. Hemmelgarn wrote: > 1. This all started long before blk-mq hit mainline.
Whoe cares? :) > 2. There's still a decent amount of block drivers that don't support blk-mq. > Last time I looked (around the time 4.4 came out), I saw the following that > either obviously don't support it, or are ambiguous as to whether they > support it or not. Here's a list of just the ones I know are being used on > existing systems running relatively recent kernel versions, not including There is no ambiguouity. You clearly named a few ones that aren't converted, but also a lot of make_request_fn based drivers which don't support any I/O scheduler. But that whole point is that anything actively developed should move over.
