Re: [PATCH 13/23] md/md-bitmap: fix dm-raid max_write_behind setting

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On 5/24/25 08:13, Yu Kuai wrote:
From: Yu Kuai <yukuai3@xxxxxxxxxx>

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

Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
  drivers/md/md-bitmap.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index 689d5dba9328..535bc1888e8c 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -777,7 +777,7 @@ 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;

Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@xxxxxxx                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich




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