# Re: \[PATCH\] raid10: change the size of resync window for clustered raid

- From: Shaohua Li \<shli@kernel.org\>
- Date: 2018-02-17 21:05:55 
- List: linux-raid
- Page: https://ratatoskr.run/linux-raid/2018/02/6637998
- Thread: https://ratatoskr.run/linux-raid/2018/01/6637796/t.md

```text
On Fri, Jan 19, 2018 at 11:37:56AM +0800, Guoqing Jiang wrote:
> To align with raid1's resync window, we need to
> set the resync window of raid10 to 32M as well.
> 
> Fixes: 8db87912c9a8 ("md-cluster: Use a small window for raid10 resync")
> Reported-by: Zhilong Liu <redacted>
> Signed-off-by: Guoqing Jiang <redacted>

applied, thanks!
> ---
>  drivers/md/raid10.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
> index 99c9207899a7..8d7ddc947d9d 100644
> --- a/drivers/md/raid10.c
> +++ b/drivers/md/raid10.c
> @@ -141,7 +141,7 @@ static void r10bio_pool_free(void *r10_bio, void *data)
>  #define RESYNC_WINDOW (1024*1024)
>  /* maximum number of concurrent requests, memory permitting */
>  #define RESYNC_DEPTH (32*1024*1024/RESYNC_BLOCK_SIZE)
> -#define CLUSTER_RESYNC_WINDOW (16 * RESYNC_WINDOW)
> +#define CLUSTER_RESYNC_WINDOW (32 * RESYNC_WINDOW)
>  #define CLUSTER_RESYNC_WINDOW_SECTORS (CLUSTER_RESYNC_WINDOW >> 9)
>  
>  /*
> -- 
> 2.13.6
> 
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```