On Tue, Jan 30 2018 at 2:42pm -0500, Bart Van Assche <Bart.VanAssche@xxxxxxx> wrote: > On Tue, 2018-01-30 at 14:33 -0500, Mike Snitzer wrote: > > On Tue, Jan 30 2018 at 12:52pm -0500, > > Bart Van Assche <bart.vanassche@xxxxxxx> wrote: > > > > > - This patch does not fix any bugs nor makes block drivers easier to > > > read or to implement. So why is this patch considered useful? > > > > It enables blk-mq core to own the problem that individual drivers should > > have no business needing to worry about. Period. > > Thanks for having confirmed that this patch is an API-change only and does > not fix any bugs. No, it is an API change that enables blk-mq drivers to make forward progress without compromising the potential benefits associated with blk-mq's SCHED_RESTART functionality. (If we're going to beat this horse to death it might as well be with precision)
