On Thu, 2017-05-04 at 11:43 +0200, Thierry Escande wrote: > From: Derek Basehore <dbasehore@xxxxxxxxxxxx> > > Some external hard drives don't support the sync command even though the > hard drive has write cache enabled. In this case, upon suspend request, > sync cache failures are ignored if the error code in the sense header is > ILLEGAL_REQUEST. There's not much we can do for these drives, so we > shouldn't fail to suspend for this error case. The drive may stay > powered if that's the setup for the port it's plugged into. Reviewed-by: Bart van Assche <bart.vanassche@xxxxxxxxxxx>