Return-Path: Received: from mail-it1-f193.google.com ([209.85.166.193]:55195 "EHLO mail-it1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728682AbeLMR47 (ORCPT ); Thu, 13 Dec 2018 12:56:59 -0500 Received: by mail-it1-f193.google.com with SMTP id i145so4982933ita.4 for ; Thu, 13 Dec 2018 09:56:59 -0800 (PST) From: Jens Axboe To: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org Cc: hch@lst.de, jmoyer@redhat.com, clm@fb.com, Jens Axboe Subject: [PATCH 04/26] block: use REQ_HIPRI_ASYNC for non-sync polled IO Date: Thu, 13 Dec 2018 10:56:23 -0700 Message-Id: <20181213175645.22181-5-axboe@kernel.dk> In-Reply-To: <20181213175645.22181-1-axboe@kernel.dk> References: <20181213175645.22181-1-axboe@kernel.dk> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Tell the block layer if it's a sync or async polled request, so it can do the right thing. Signed-off-by: Jens Axboe --- fs/block_dev.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index 6de8d35f6e41..b8f574615792 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -402,8 +402,12 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES); if (!nr_pages) { - if (iocb->ki_flags & IOCB_HIPRI) - bio->bi_opf |= REQ_HIPRI; + if (iocb->ki_flags & IOCB_HIPRI) { + if (!is_sync) + bio->bi_opf |= REQ_HIPRI_ASYNC; + else + bio->bi_opf |= REQ_HIPRI; + } qc = submit_bio(bio); WRITE_ONCE(iocb->ki_cookie, qc); -- 2.17.1