--- zzzz-none-000/linux-3.10.107/drivers/md/raid10.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/md/raid10.h	2021-02-04 17:41:59.000000000 +0000
@@ -53,6 +53,12 @@
 	sector_t		offset_diff;
 
 	struct list_head	retry_list;
+	/* A separate list of r1bio which just need raid_end_bio_io called.
+	 * This mustn't happen for writes which had any errors if the superblock
+	 * needs to be written.
+	 */
+	struct list_head	bio_end_io_list;
+
 	/* queue pending writes and submit them on unplug */
 	struct bio_list		pending_bio_list;
 	int			pending_count;
@@ -150,7 +156,4 @@
  */
 	R10BIO_Previous,
 };
-
-extern int md_raid10_congested(struct mddev *mddev, int bits);
-
 #endif