On Tue, 2023-09-05 at 18:15 -0500, Mike Christie wrote: > This has scsi_report_lun_scan have scsi-ml retry errors instead of > driving > them itself. > > There is one behavior change where we no longer retry when > scsi_execute_cmd returns < 0, but we should be ok. We don't need to > retry > for failures like the queue being removed, and for the case where > there > are no tags/reqs the block layer waits/retries for us. For possible > memory > allocation failures from blk_rq_map_kern we use GFP_NOIO, so retrying > will probably not help. Another minor behavior change is that we may now get up to 3 retries for UAs plus up to 3 retries for non-CC errors. Anyway, > > Signed-off-by: Mike Christie <michael.christie@xxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx> Reviewed-by: Martin Wilck <mwilck@xxxxxxxx>
