From patchwork Fri Dec 7 22:19:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 10718847 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 4BB1B18B8 for ; Fri, 7 Dec 2018 22:20:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3E0C62F719 for ; Fri, 7 Dec 2018 22:20:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 320752F72F; Fri, 7 Dec 2018 22:20:33 +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 E3CAF2F719 for ; Fri, 7 Dec 2018 22:20:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726112AbeLGWUc (ORCPT ); Fri, 7 Dec 2018 17:20:32 -0500 Received: from mail-pl1-f195.google.com ([209.85.214.195]:45024 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726121AbeLGWUb (ORCPT ); Fri, 7 Dec 2018 17:20:31 -0500 Received: by mail-pl1-f195.google.com with SMTP id k8so2420101pls.11 for ; Fri, 07 Dec 2018 14:20:31 -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=W8HFBiyB2XMVBHaxGd7NtGW5LYdA6hlG7sdQehqbUYp98smU7U/Ym1XWMnxMvGO9oX 7BAacez6JE/Wy6Mj6eXUdwJHtqikXK1eUEFr6iETjIT5CM3TXrOAbZ0dUDDkEZi9Dx8U YIIP+N6YMUCu1v9J3Lnp4DCqdbC+sqeFfln9FEqcleEaq0jl5jerRJnmupnqLQ97N+0A cii+hnqvQWBzHrjbB/lvPBJrmmaKqWqpN/xdSV9syZFmyJVItS+FJfufruDG7nSt2Hjb rA/smpdquhTRSxHIP8vWImwp5oZ/jh2t+fK/SDQrtc5LGSCMNwfJgrWjw+4kf7pn5o7O XUVA== 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=FDatnF4hKxFaQROOYY8+HZwus1q4u4w4YOsaM6R+s1TsV4sRx6I0f7OPJCqMH2/McC P+eFTlQqosRK+QuVV/rVOvfcermegqbK6aYRrHccE1aAK11iec3x/Uoz0mlGxEd7e0TN K+W2WDiPAiDs8t9nqhUjMZZlxlWnqnAELkHCeHeLaWHAUgawxb75yGFsERkHHHJd3yE2 zWk0vXjdgr/tWWhaaCSzpOlcmSw2mMJnxVCA7u6bCdQ04bE1roeobSIIHC9de26r40GG c5k0YSApmavNjNVmdrzKn2vMpEM8Qj13j7XNzAG2oLmvP05EW01CPUe1428vh0ufff0a GsCg== X-Gm-Message-State: AA+aEWbn3yce25W2ynvvhixeWfOVG6H0hNTsRiXrqd7qKHxLXMDd8tBh ZZMVirR8hRJYkX5DH4BK7o0hkt8tVSI= X-Google-Smtp-Source: AFSGD/VaLTBN08GZha/K58BiRnbxCx8e8ICKA277hrvYXvc5aZjqHbkMCUMhBFI5eQtEciTOaL470g== X-Received: by 2002:a17:902:714c:: with SMTP id u12mr3761521plm.234.1544221230789; Fri, 07 Dec 2018 14:20:30 -0800 (PST) Received: from x1.localdomain (66.29.188.166.static.utbb.net. [66.29.188.166]) by smtp.gmail.com with ESMTPSA id e9sm5282511pff.5.2018.12.07.14.20.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 07 Dec 2018 14:20:29 -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: Fri, 7 Dec 2018 15:19:54 -0700 Message-Id: <20181207222016.29387-5-axboe@kernel.dk> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181207222016.29387-1-axboe@kernel.dk> References: <20181207222016.29387-1-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);