On 7/27/23 04:34, Bart Van Assche wrote: > Add a new configfs attribute for disabling zone write locking. Tests > show a performance of 250 K IOPS with no I/O scheduler, 6 K IOPS with > mq-deadline and write locking enabled and 123 K IOPS with mq-deadline > and write locking disabled. This shows that disabling write locking > results in about 20 times more IOPS for this particular test case. > > Cc: Christoph Hellwig <hch@xxxxxx> > Cc: Damien Le Moal <dlemoal@xxxxxxxxxx> > Cc: Ming Lei <ming.lei@xxxxxxxxxx> > Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx> -- Damien Le Moal Western Digital Research