On Thu, Jan 19, 2017 at 12:32:47AM +0800, John Garry wrote: > From: Xiang Chen <chenxiang66@xxxxxxxxxxxxx> > > The v2 SAS controller needs more time to detect channel idle > and send setup link request than SATA disk does, so it is > difficult for SAS controller to setup an STP link. Therefore it > may cause some IO timeouts. > > We need to periodically configure the SAS controller so it > doesn't receive STP setup requests from SATA disks for a while, > so IO can be sent during this period. > > Signed-off-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx> > Signed-off-by: John Garry <john.garry@xxxxxxxxxx> > --- Looks good, Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx> -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
