On Wed, Aug 28, 2019 at 11:29:44AM +0900, Damien Le Moal wrote: > For block devices that do not specify required features, preserve the > current default elevator selection (mq-deadline for single queue > devices, none for multi-queue devices). However, for devices specifying > required features (e.g. zoned block devices ELEVATOR_F_ZBD_SEQ_WRITE > feature), select the first available elevator providing the required > features. > > In all cases, default to "none" if no elevator is available or if the > initialization of the default elevator fails. > > Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>
