Hello, On Mon, Jun 20, 2016 at 06:46:55PM -0700, Dan Williams wrote: > On Mon, Jun 20, 2016 at 6:22 PM, Martin K. Petersen > <martin.peter...@oracle.com> wrote: > >>>>>> "Tejun" == Tejun Heo <t...@kernel.org> writes: > > > >>> In fact,we don't need libata to deal with hotplug in sas environment. > >>> So we can't run ata hotplug task when ata port is sas host. > > > > Tejun> Martin, can you please confirm whether the above is true. If so, > > Tejun> I'll route the patch through libata w/ stable cc'd. > > > > Not exactly a libsas expert. James? Dan? > > While it is true that libsas itself handles adding / removing devices > we have historically avoided this conflict because > ATA_PFLAG_SCSI_HOTPLUG is never set for libsas ata_ports. So the bug > / behavior change is that ATA_PFLAG_SCSI_HOTPLUG gets set in the > first place. Ignoring it is a band-aid / not the real fix afaics.
I see. I'll hold off for now then. Ding Xiang, can you find out where that flag is getting set? Thanks! -- tejun
