1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 84456b1af20..c172371481c 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -386,6 +386,11 @@ struct raid5_private_data {
         int                     pool_size; /* number of disks in stripeheads in pool */
         spinlock_t              device_lock;
         struct disk_info        *disks;
+
+        /* 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 raid5_private_data raid5_conf_t;