On Wed, 12 Jun 2013 20:13:19 -0700 "H. Peter Anvin" <hpa@xxxxxxxxx> wrote: > On 06/12/2013 08:10 PM, NeilBrown wrote: > > > > Promising - thanks. > > > > However should we do the same thing in raid5.c too? As far as I can > > tell, the default set by blk_set_stacking_limits() (which md calls) > > is to allow WRITE_SAME if all all underlying devices do. But I'm > > pretty sure raid5 will do the wrong thing with a WRITE_SAME > > request. > > > > Yes, if raid5 also bounces the array if the WRITE SAME request fails > at the device we need to do the same thing there. > > -hpa > Thanks. I've modified the patch and tagged it for -stable. NeilBrown
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