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Commit 019ceb7d authored by Shaohua Li's avatar Shaohua Li Committed by Jens Axboe
Browse files

block: add missed trace_block_plug 



After flush plug list, the list has no request, so we need to add a
trace_block_plug().

Signed-off-by: default avatarShaohua Li <shaohua.li@intel.com>
Reviewed-by: default avatarNamhyung Kim <namhyung@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent a2c2a0e6

block/blk-core.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -1387,8 +1387,10 @@ void blk_queue_bio(struct request_queue *q, struct bio *bio) 
				if (__rq->q != q)

				if (__rq->q != q)

					plug->should_sort = 1;

					plug->should_sort = 1;

			}

			}

			if (request_count >= BLK_MAX_REQUEST_COUNT)

			if (request_count >= BLK_MAX_REQUEST_COUNT) {

				blk_flush_plug_list(plug, false);

				blk_flush_plug_list(plug, false);

				trace_block_plug(q);

			}

		}

		}

		list_add_tail(&req->queuelist, &plug->list);

		list_add_tail(&req->queuelist, &plug->list);

		drive_stat_acct(req, 1);

		drive_stat_acct(req, 1);