Commit 2afe1779 authored by Yu Kuai's avatar Yu Kuai
Browse files

md/md-bitmap: fix dm-raid max_write_behind setting 

It's supposed to be COUNTER_MAX / 2, not COUNTER_MAX.

Link: https://lore.kernel.org/linux-raid/20250524061320.370630-14-yukuai1@huaweicloud.com


Signed-off-by: default avatarYu Kuai <yukuai3@huawei.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
parent 9f346f7d

drivers/md/md-bitmap.c

+1 −1
Original line number Diff line number Diff line
@@ -789,7 +789,7 @@ static int md_bitmap_new_disk_sb(struct bitmap *bitmap) 
	 * is a good choice?  We choose COUNTER_MAX / 2 arbitrarily.

	 */

	write_behind = bitmap->mddev->bitmap_info.max_write_behind;

	if (write_behind > COUNTER_MAX)

	if (write_behind > COUNTER_MAX / 2)

		write_behind = COUNTER_MAX / 2;

	sb->write_behind = cpu_to_le32(write_behind);

	bitmap->mddev->bitmap_info.max_write_behind = write_behind;