block: add missed trace_block_plug

[mirror_ubuntu-bionic-kernel.git] / block / blk-core.c

diff --git a/block/blk-core.c b/block/blk-core.c
index 6403c12f8aad8e594c65b75ede2a589b1093adf7..ea70e6c80cd34f0c2b563ceabcc7189027fc5182 100644 (file)
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1387,8 +1387,10 @@ get_rq:
                                if (__rq->q != q)
                                        plug->should_sort = 1;
                        }
-                       if (request_count >= BLK_MAX_REQUEST_COUNT)
+                       if (request_count >= BLK_MAX_REQUEST_COUNT) {
                                blk_flush_plug_list(plug, false);
+                               trace_block_plug(q);
+                       }
                }
                list_add_tail(&req->queuelist, &plug->list);
                drive_stat_acct(req, 1);