On Wed, Jun 06, 2018 at 08:26:56AM -0600, Jens Axboe wrote: > On 6/6/18 8:22 AM, Hannes Reinecke wrote: > > blk_partition_remap() will only clear bi_partno if an actual remapping > > has happened. But flush request et al don't have an actual size, so > > the remapping doesn't happen and bi_partno is never cleared. > > So for stacked devices blk_partition_remap() will be called on each level. > > If (as is the case for native nvme multipathing) one of the lower-level > > devices do _not_support partitioning a spurious I/O error is generated. > > Just move it down, we're now clearing it for both cases. Agreed.
