From patchwork Fri Dec 21 19:22:18 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 10740901 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2F58114DE for ; Fri, 21 Dec 2018 19:22:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 226F82884A for ; Fri, 21 Dec 2018 19:22:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 165E52885F; Fri, 21 Dec 2018 19:22:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C265D28862 for ; Fri, 21 Dec 2018 19:22:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391649AbeLUTWs (ORCPT ); Fri, 21 Dec 2018 14:22:48 -0500 Received: from mail-it1-f196.google.com ([209.85.166.196]:53287 "EHLO mail-it1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391642AbeLUTWr (ORCPT ); Fri, 21 Dec 2018 14:22:47 -0500 Received: by mail-it1-f196.google.com with SMTP id g85so8452562ita.3 for ; Fri, 21 Dec 2018 11:22:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=CoUoLVQhZCk01wz0SKdc8zjKvmVqwUz+894lpbana7A=; b=GegkU0H+wROHphSz478S1xM7GYMvl2lNuA97LSeMlUoMhJjGVGXzLgQVvLZQ6vHK2r 1pNDxvMIoDibgh3P4+v9MR2Gcozwy/TG80iHflNKAvs6ha1iZ+Mz7exogD+l/t8RcBKk jM/u5A0KCX66gP6DF4sj9KuCh4ZAhx6vL9gaI6E7WAtDy6LXyAhTdUBHWZSHaMqWyWsn GKxFb1oP/b/adCGBCKFQ5WyrlruqFBeJTzIEgX5M52g5lxKnQxJdUtab0gJ4NidiRS4M ODqc3orQSOre88/wDV0Y5rOKjvtdVjOSOLrreEBCGUenHLrxxW1xJx+1dxpeUGuzDGkK TRXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=CoUoLVQhZCk01wz0SKdc8zjKvmVqwUz+894lpbana7A=; b=bdpAS+OdEcNemF9lFV8flcE99vE1QmADmaXbvIheacBfhYsoPPO1Vm8UbcABaWmA1n OCXgtyJu56TgT+m/Qu5ZZwbf47Umi5Vx6MEVNs3rfyNsma3gyR8RZuQx/thpKSnzxjGJ e+PIvfa9w5bFQkImlJsnT2quF5nt+3JW6yFuy9WQrgiABjsvnnql+ADBsmD1at9T6sH1 gWc0h3C50Wf4BWTA6Rgi/+vcJX0HAI7EIA05fPuS5VBaw8rVAbN/+R/jcGm5OPNrZTn3 dbFU5LGs3YeGorxDA/hXD8YEt/23qWpnD7PAcpUKeOfmhVlvwH2rmZHgWMILbGkKNXJC ZGMA== X-Gm-Message-State: AA+aEWYF+mDatB/uWksvbonM72FrFQ/HKT3R/Exbsyu3oFedycD3qkwT eQI9ZLjEzLwpN9CSqYYv/rRZZA== X-Google-Smtp-Source: AFSGD/XA4Ybd/zJZOcAfh3k/1DJHbqzyb1dAcNCVh7+Y4LbL0acNBKPqDyrnO7K4421qLVNmGpxkpw== X-Received: by 2002:a24:1152:: with SMTP id 79mr2965435itf.167.1545420166329; Fri, 21 Dec 2018 11:22:46 -0800 (PST) Received: from localhost.localdomain ([216.160.245.98]) by smtp.gmail.com with ESMTPSA id t1sm12456290iol.85.2018.12.21.11.22.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 21 Dec 2018 11:22:45 -0800 (PST) From: Jens Axboe To: linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, linux-block@vger.kernel.org Cc: hch@lst.de, viro@zeniv.linux.org.uk, Jens Axboe Subject: [PATCH 04/22] block: use REQ_HIPRI_ASYNC for non-sync polled IO Date: Fri, 21 Dec 2018 12:22:18 -0700 Message-Id: <20181221192236.12866-5-axboe@kernel.dk> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181221192236.12866-1-axboe@kernel.dk> References: <20181221192236.12866-1-axboe@kernel.dk> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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);