Let's call roundup_pow_of_two here instead of open code. Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxx> --- drivers/md/raid5.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 02ed53b20654..4ea9e7b647b0 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7732,10 +7732,7 @@ static int raid5_run(struct mddev *mddev) * discard data disk but write parity disk */ stripe = stripe * PAGE_SIZE; - /* Round up to power of 2, as discard handling - * currently assumes that */ - while ((stripe-1) & stripe) - stripe = (stripe | (stripe-1)) + 1; + stripe = roundup_pow_of_two(stripe); mddev->queue->limits.discard_alignment = stripe; mddev->queue->limits.discard_granularity = stripe; -- 2.31.1
