From patchwork Tue Dec 4 23:37:07 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 10712729 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 0814713AF for ; Tue, 4 Dec 2018 23:37:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EEC1329C06 for ; Tue, 4 Dec 2018 23:37:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E314D29C44; Tue, 4 Dec 2018 23:37:46 +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=ham 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 9850D29C06 for ; Tue, 4 Dec 2018 23:37:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726598AbeLDXhq (ORCPT ); Tue, 4 Dec 2018 18:37:46 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:39871 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726001AbeLDXhp (ORCPT ); Tue, 4 Dec 2018 18:37:45 -0500 Received: by mail-pf1-f193.google.com with SMTP id c72so9005589pfc.6 for ; Tue, 04 Dec 2018 15:37:45 -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=ob2Al9z+bpfazXrOpsm2EijMCcEkBP/Ljga69OwyllrOEb91xaOvlFCcaGoQEwKnuh 0Q9L8pP8s28kig9yaGFQybCniKw+kQabPavh6j0dLL3rr+EUsHPHRnTA3kuDwPIh6Mig Mn3NbXKdYVoUT4ffdXKt25jPRpOHTuHEIpuWxbn4GWy5+tvzUi4fgZRIs9Q8sYkXGRhw +PLfuaXjteBI4i1XjNEqTzO6t1IDxQ9gWmm93nLH/PlP0dzvQoJy2Rt4xzl0FBggZBgO ejpihfIdG2viqjJCxXmsoTrs8KArcEDFi2BXtzwAks9AMgCOR5uxiXFoWKnY1Qgebq1x +sSA== 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=PJ7YmjmffKyO+Zu0e4umyhd0pGkLCJgwot7EDVhkE2UYKK0fZwQ54gve9QYTqn03j9 9vKxq5MV8qU8skXziIpPFvpN+HIogxy8L98I9XBYcN3M92xPWwbauHZ5JqQoqTk1Y1qq cJqCY6JQGEdQvEuyU1EVy0NGX+bT8fplsa78WdEdRcTENDF/G6qNaoy8Y7y1aESyftLK Lw6l8CDoZ3PG7noRLsJYY2hvNjKv+83He4vnZBw9DhnHGehVvni4KcjDU4RcBoL3TFmx jFwf5TYzbluqQXZ4KQrckrVvtmZ9zQ5JOaPha6JPMFbp39R+oyt2PmqUbOqrj2dcq3Jb KsUA== X-Gm-Message-State: AA+aEWb6JsI2BSXSu+e2gRGqtjr5remTwEpDgr5sP6Wo9x2cZN+sd5Zi 3VeZ9L8jhWBJo/BDfATeCCHCBLikMSU= X-Google-Smtp-Source: AFSGD/UMALFfr/m4YuRIp4o2wdkiDimaOlGrMwcbJEQBqApDn7m6HiBybCGeeursdN+bD2K1y/S6EQ== X-Received: by 2002:a62:c185:: with SMTP id i127mr17728535pfg.43.1543966664980; Tue, 04 Dec 2018 15:37:44 -0800 (PST) Received: from x1.localdomain (66.29.188.166.static.utbb.net. [66.29.188.166]) by smtp.gmail.com with ESMTPSA id t13sm22527635pgr.42.2018.12.04.15.37.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Dec 2018 15:37:44 -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, Jens Axboe Subject: [PATCH 04/26] block: use REQ_HIPRI_ASYNC for non-sync polled IO Date: Tue, 4 Dec 2018 16:37:07 -0700 Message-Id: <20181204233729.26776-5-axboe@kernel.dk> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181204233729.26776-1-axboe@kernel.dk> References: <20181204233729.26776-1-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);