block: do not reverse request order when flushing plug list

[platform/kernel/linux-starfive.git] / include / linux / blk-mq.h

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index d6119c5..a9764cb 100644 (file)
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -228,6 +228,12 @@ static inline unsigned short req_get_ioprio(struct request *req)
        *(listptr) = rq;                                \
 } while (0)
 
+#define rq_list_add_tail(lastpptr, rq) do {            \
+       (rq)->rq_next = NULL;                           \
+       **(lastpptr) = rq;                              \
+       *(lastpptr) = &rq->rq_next;                     \
+} while (0)
+
 #define rq_list_pop(listptr)                           \
 ({                                                     \
        struct request *__req = NULL;                   \