1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index e87b84deff68..5f2d443ae28a 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -59,6 +59,11 @@ struct r1_private_data_s {
 
         mempool_t *r1bio_pool;
         mempool_t *r1buf_pool;
+
+        /* When taking over an array from a different personality, we store
+         * the new thread here until we fully activate the array.
+         */
+        struct mdk_thread_s     *thread;
 };
 
 typedef struct r1_private_data_s conf_t;