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

- From: Guoqing Jiang \<hidden\>
- Date: 2018-01-19 03:37:56 
- List: linux-raid
- Page: https://ratatoskr.run/linux-raid/2018/01/6637796
- Thread: https://ratatoskr.run/linux-raid/2018/01/6637796/t.md

```text
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>
---
 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

```