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

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
...@@ -1387,8 +1387,10 @@ void blk_queue_bio(struct request_queue *q, struct bio *bio) ...@@ -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);
......
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