> From: Martin K. Petersen [mailto:martin.petersen@xxxxxxxxxx] > Sent: Monday, November 6, 2017 7:40 PM > To: Long Li <longli@xxxxxxxxxxxxx> > Cc: KY Srinivasan <kys@xxxxxxxxxxxxx>; Haiyang Zhang > <haiyangz@xxxxxxxxxxxxx>; Stephen Hemminger > <sthemmin@xxxxxxxxxxxxx>; James E . J . Bottomley > <JBottomley@xxxxxxxx>; Martin K . Petersen > <martin.petersen@xxxxxxxxxx>; devel@xxxxxxxxxxxxxxxxxxxxxx; linux- > scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Long Li > <longli@xxxxxxxxxxxxx> > Subject: Re: [PATCH] storvsc: Avoid excessive host scan on controller change > > > Long, > > > When there are multiple disks attached to the same SCSI controller, > > the host may send several VSTOR_OPERATION_REMOVE_DEVICE or > > VSTOR_OPERATION_ENUMERATE_BUS messages in a row, to indicate > there is > > a change on the SCSI controller. In response, storvsc rescans the SCSI > > host. > > Applied to 4.15/scsi-queue with some fuzz. Please verify, thanks! Martin, thank you! All looking good. Long > > -- > Martin K. Petersen Oracle Linux Engineering