On 8/17/23 04:53, Bart Van Assche wrote: > If zoned writes (REQ_OP_WRITE) for a sequential write required zone have > a starting LBA that differs from the write pointer, e.g. because zoned > writes have been reordered, then the storage device will respond with an > UNALIGNED WRITE COMMAND error. Send commands that failed with an > unaligned write error to the SCSI error handler if zone write locking is > disabled. The SCSI error handler will sort SCSI commands per LBA before > resubmitting these. > > If zone write locking is disabled, increase the number of retries for > write commands sent to a sequential zone to the maximum number of > outstanding commands because in the worst case the number of times > reordered zoned writes have to be retried is (number of outstanding > writes per sequential zone) - 1. > > Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx> > Cc: Damien Le Moal <dlemoal@xxxxxxxxxx> > Cc: Christoph Hellwig <hch@xxxxxx> > Cc: Ming Lei <ming.lei@xxxxxxxxxx> > Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> Looks OK. Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx> -- Damien Le Moal Western Digital Research
