On Mon, Aug 27, 2018 at 08:52:34AM -0600, Jens Axboe wrote: > On 8/27/18 1:24 AM, Ming Lei wrote: > > Hi, > > > > There is fundamental issue in commit 328728630d9f2bf1 (scsi: core: avoid > > host-wide host_busy counter for scsi_mq) because SCSI's host busy counter > > may not be same with counter of blk-mq's inflight tags, especially in case > > of none io scheduler. > > > > So please revert the two commits. > > Please do, they break changing write cache mode on my SATA drives. You > can add my tested-by and/or reported-by to this. Jens, how does it break? Could we add a blktest for it?
