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=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 5229CC43463 for ; Mon, 21 Sep 2020 08:08:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id EB24C2158C for ; Mon, 21 Sep 2020 08:07:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="e4VccTgJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB24C2158C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 730F8900037; Mon, 21 Sep 2020 04:07:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6BAC7900029; Mon, 21 Sep 2020 04:07:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 582E2900037; Mon, 21 Sep 2020 04:07:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0063.hostedemail.com [216.40.44.63]) by kanga.kvack.org (Postfix) with ESMTP id 30795900029 for ; Mon, 21 Sep 2020 04:07:59 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id EFB72181AEF10 for ; Mon, 21 Sep 2020 08:07:58 +0000 (UTC) X-FDA: 77286340236.22.coach04_071093027143 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin22.hostedemail.com (Postfix) with ESMTP id D159A18038E67 for ; Mon, 21 Sep 2020 08:07:58 +0000 (UTC) X-HE-Tag: coach04_071093027143 X-Filterd-Recvd-Size: 3293 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf29.hostedemail.com (Postfix) with ESMTP for ; Mon, 21 Sep 2020 08:07:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=0OOdgaAy3T3TNy//04c+F/LGQuoAdpgJ6oUz9lUQkEY=; b=e4VccTgJdsmgociGEt21mGtHzd j/wvJ+RKs2rthlH7WbxjsU3UE3YworJ72pCUYBShrtvn78245jQHUBPW5VY/yclvncAGnaR1CDFyB 5YoUDtHn/bM3Ija7U1Rn30aCukN1F28OsBlCk9p7r07WRJhxLkyaE9OqS16u/V6bGi5Ft+2lIzHem QnW3s68Lbh4TWGJliPqo6mN0zRJjEUxU8ZwB8+5fDPYSo2YWLMxmCt231I+dw1ngD9wpqbgEg1O8q zXYulN81iweBnS8GzCrg1zUL6XtbpqXW0Bob/ov2w3dmM5WSAbHxw9GfqozABq6wA45T7JSsJDq3H 9Bxczeag==; Received: from p4fdb0c34.dip0.t-ipconnect.de ([79.219.12.52] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKGrH-0006Wl-Rc; Mon, 21 Sep 2020 08:07:36 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Song Liu , Hans de Goede , Coly Li , Richard Weinberger , Minchan Kim , Johannes Thumshirn , Justin Sanders , linux-mtd@lists.infradead.org, dm-devel@redhat.com, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, linux-kernel@vger.kernel.org, drbd-dev@lists.linbit.com, linux-raid@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org Subject: [PATCH 04/13] aoe: set an optimal I/O size Date: Mon, 21 Sep 2020 10:07:25 +0200 Message-Id: <20200921080734.452759-5-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200921080734.452759-1-hch@lst.de> References: <20200921080734.452759-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: aoe forces a larger readahead size, but any reason to do larger I/O is not limited to readahead. Also set the optimal I/O size, and remove the local constants in favor of just using SZ_2G. Signed-off-by: Christoph Hellwig --- drivers/block/aoe/aoeblk.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 5ca7216e9e01f3..d8cfc233e64b93 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -347,7 +347,6 @@ aoeblk_gdalloc(void *vp) mempool_t *mp; struct request_queue *q; struct blk_mq_tag_set *set; - enum { KB =3D 1024, MB =3D KB * KB, READ_AHEAD =3D 2 * MB, }; ulong flags; int late =3D 0; int err; @@ -407,7 +406,8 @@ aoeblk_gdalloc(void *vp) WARN_ON(d->gd); WARN_ON(d->flags & DEVFL_UP); blk_queue_max_hw_sectors(q, BLK_DEF_MAX_SECTORS); - q->backing_dev_info->ra_pages =3D READ_AHEAD / PAGE_SIZE; + q->backing_dev_info->ra_pages =3D SZ_2M / PAGE_SIZE; + blk_queue_io_opt(q, SZ_2M); d->bufpool =3D mp; d->blkq =3D gd->queue =3D q; q->queuedata =3D d; --=20 2.28.0