From patchwork Mon Nov 19 03:51:29 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 10688199 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 94A91109C for ; Mon, 19 Nov 2018 03:52:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 81A33286CA for ; Mon, 19 Nov 2018 03:52:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7638329AC9; Mon, 19 Nov 2018 03:52:05 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 26D3D286CA for ; Mon, 19 Nov 2018 03:52:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726903AbeKSOOU (ORCPT ); Mon, 19 Nov 2018 09:14:20 -0500 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:62740 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728188AbeKSOOQ (ORCPT ); Mon, 19 Nov 2018 09:14:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1542599520; x=1574135520; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=D3K+H7awC5p/e5QtEP4eZu2ImmI8Bnbh0jwo9Zz/Kj0=; b=qFajbTMpXgltTFW/zRZEXSHNSJ+VlhAwAoNPKRuk/U+l/facHiD0gMPH Y6iYFYHF0+2xe1lKugUNPQfM7NRDNV5HgeWDhvs+/M1HpedDhNbESyTHg veI25k2KyDg8FAqPum6TmhFM0EJLxEvCRFAARMuWme8ewkJU/ohWRX+zm vNxLPNLot/xdEIDVanBy+dtS3gA9p/85HXaHVtkN5jkrcASUDZUJrYXUO QsMhyGYYvx9C5+bk3c+9wsdkbctosLrylwLPRy6lhTUYv9RC42vlkt455 +hrENF49UVK7qR2rRZ2PLcaTyj8szweak8F8yqesksUFl3DWgGyNptxsc w==; X-IronPort-AV: E=Sophos;i="5.56,250,1539619200"; d="scan'208";a="96272461" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 19 Nov 2018 11:51:47 +0800 Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP; 18 Nov 2018 19:34:45 -0800 Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by uls-op-cesaip02.wdc.com with ESMTP; 18 Nov 2018 19:51:45 -0800 From: Damien Le Moal To: linux-block@vger.kernel.org, Jens Axboe Cc: Adam Manzanares , Alexander Viro , linux-fsdevel@vger.kernel.org Subject: [PATCH 5/7] aio: Fix fallback I/O priority value Date: Mon, 19 Nov 2018 12:51:29 +0900 Message-Id: <20181119035131.11255-6-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181119035131.11255-1-damien.lemoal@wdc.com> References: <20181119035131.11255-1-damien.lemoal@wdc.com> MIME-Version: 1.0 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 For cases when the application does not specify aio_reqprio for an aio, fallback to use get_current_ioprio() to obtain the task I/O priority last set using ioprio_set() rather than the hardcoded IOPRIO_CLASS_NONE value. Signed-off-by: Damien Le Moal Reviewed-by: Christoph Hellwig Reviewed-by: Adam Manzanares --- fs/aio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/aio.c b/fs/aio.c index 301e6314183b..b984918be4b7 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -1441,7 +1441,7 @@ static int aio_prep_rw(struct kiocb *req, struct iocb *iocb) req->ki_ioprio = iocb->aio_reqprio; } else - req->ki_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0); + req->ki_ioprio = get_current_ioprio(); ret = kiocb_set_rw_flags(req, iocb->aio_rw_flags); if (unlikely(ret))