[PATCH 5/6] md/raid5: call roundup_pow_of_two in raid5_run
From: Guoqing Jiang <hidden>
Date: 2021-10-04 15:40:31
Subsystem:
software raid (multiple disks) support, the rest · Maintainers:
Song Liu, Yu Kuai, Linus Torvalds
Let's call roundup_pow_of_two here instead of open code. Signed-off-by: Guoqing Jiang <redacted> --- 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