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

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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: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
This commit is contained in:
Yu Kuai 2025-05-24 14:13:10 +08:00
parent 9f346f7d4e
commit 2afe17794c
1 changed files with 1 additions and 1 deletions
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2
drivers/md/md-bitmap.c
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@ -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;