From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7269EC5CFFE for ; Tue, 11 Dec 2018 00:16:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B3742086D for ; Tue, 11 Dec 2018 00:16:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="Bm9xtJPP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3B3742086D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-block-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728340AbeLKAQH (ORCPT ); Mon, 10 Dec 2018 19:16:07 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:38360 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728928AbeLKAQG (ORCPT ); Mon, 10 Dec 2018 19:16:06 -0500 Received: by mail-pg1-f194.google.com with SMTP id g189so5762078pgc.5 for ; Mon, 10 Dec 2018 16:16:06 -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=Bm9xtJPPma2afEHR7Uw+wyVoc5D9mA1PINhDlZYbNCKG5O3Bhd2oRHvxsQqFHOZees 3jL8TOEwpXd5fbjqezrDkcJQ6703z0iCl9dmC5fixjCSfzj7mNWLam62HWqNR2Jv/DTT 0ON/t4aRDgpztUTeupnrzc9cuZUUmOhZ67D9WXDtgnDfT/dHguLdDrljTpUSTB21FoKO hp6RefsmKTRzzKeBFkQaQvAzQTj3qsy4YtReRYrZpl1BYsfIUmy4Y8gcth34Z6yftbmP yNku9YoYdBOgORk/7zi3TY8HNnDFHz4+KT24QygRDnBIf83/hR4zoGUeECXG9PFrM0xG ujNA== 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=mwj07DumEltyX6uWzipzLigivEsw5QSvn/Aps364l7P/n9vrzaFd9cUtJhwUBjoASH 3ToiJSO0bu/owDVk24/Gly/O3yNy8KFH7bfqicgxloF9y1DSP4n0UAaXU7sGrBSiIctm vZMNlsrCauEb/ft5MrIfu/YZdV7WF2tYcZmxprmfzPuwtexmeaFeYLRRNs64m9sRntHV IxqK2glYh5tvtfIry7wSyGHOXdM272OYUQQ/2ckLvteEqjYkMVO9aErBp4B5fetADLh7 GgZ4Z3TwMV27l8kS9DxaK343J4t8QqFzq9wjt5oZb8SnsP6d+rbhlec0ZN2Dj8WCPysJ y1Kw== X-Gm-Message-State: AA+aEWYHYpyo/ySdLPHrgBJdeu2ASyVDE01rU8EdKJXsYIBoz2jRTp06 4BlGPgdI+L24Q/9Je32GdgQjWeQPeO6+zw== X-Google-Smtp-Source: AFSGD/UNZQ1afBnp8asHleyZXkzzeaKWBXN1R4fRXQ0/mDOZNSBPW2NFMeMgsWbNT1nJeGvTydGhow== X-Received: by 2002:a63:7418:: with SMTP id p24mr12804149pgc.196.1544487365517; Mon, 10 Dec 2018 16:16:05 -0800 (PST) Received: from x1.localdomain (66.29.188.166.static.utbb.net. [66.29.188.166]) by smtp.gmail.com with ESMTPSA id u8sm16872856pfl.16.2018.12.10.16.16.03 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 10 Dec 2018 16:16:04 -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 04/27] block: use REQ_HIPRI_ASYNC for non-sync polled IO Date: Mon, 10 Dec 2018 17:15:26 -0700 Message-Id: <20181211001549.30085-5-axboe@kernel.dk> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181211001549.30085-1-axboe@kernel.dk> References: <20181211001549.30085-1-axboe@kernel.dk> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org 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