--- zzzz-none-000/linux-4.4.271/include/linux/blkdev.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/linux/blkdev.h	2023-04-19 10:22:30.000000000 +0000
@@ -803,6 +803,7 @@
 
 extern int blk_queue_enter(struct request_queue *q, gfp_t gfp);
 extern void blk_queue_exit(struct request_queue *q);
+extern void blk_recalc_rq_segments(struct request *rq);
 extern void blk_start_queue(struct request_queue *q);
 extern void blk_start_queue_async(struct request_queue *q);
 extern void blk_stop_queue(struct request_queue *q);