From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 984F9253F20 for ; Mon, 7 Apr 2025 13:16:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744031793; cv=none; b=bpDVZRG/b7wE9IPlc78OHkgSgmWjyQQsgmLNgnDqtPwCa/MNcSiYcebE/mmqWKw4sym7QwdAp/iuKTcuehdBxPq88KotYuAu3pgJkasdyVoGN9MKb+WdofO8ZGFrZE7WyYRN5iKKlJAmFEjkambIx/ILMyzbV7g8F9o5UNDMPeo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744031793; c=relaxed/simple; bh=KZq4QoKgMrAoMsQXaTYf+Nu09d4m9p5vN+/jdetsFDs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=vCSaX3/Jfw5EZhpu1wBCEQVqRAtiB+tVAa/LtgyuMwYjMe9pvFjkeqOA5Z4MBnaGpOw/nv0TbznfcaTYrYJE/FMAruDuKlhcQgbmSU8FlCSFet9Y/gCGq+Gx4cPASk54n44nvpM1qNkIVc3vr6pxsd4Rj88TTQ/aD63bwsjbEno= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=R41Z/a4w; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="R41Z/a4w" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1744031789; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NJrVHBBAAJTCFsRgGR/OHfz8R7FixPaw4/6HsYQ2cOQ=; b=R41Z/a4wXmW6Zse41YG7qFdCM5MR5PIVH6btBjC6kblTmdXvxzDIBd27yqO+XmUUaRsjbh d15ynsKnK+JLNeQt2opO1LonPMXFRF5p+5Jf+T3aqgB5T7/5Y1GTChykblE7pbtNc4ffv6 53CD9VUQmOnQzPgSHuqISc4gFEgqCeA= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-118-1Fmo9K1pPPSS60Ht94oTew-1; Mon, 07 Apr 2025 09:16:26 -0400 X-MC-Unique: 1Fmo9K1pPPSS60Ht94oTew-1 X-Mimecast-MFC-AGG-ID: 1Fmo9K1pPPSS60Ht94oTew_1744031785 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 88F9D1956089; Mon, 7 Apr 2025 13:16:25 +0000 (UTC) Received: from localhost (unknown [10.72.120.16]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 8B0531801A6D; Mon, 7 Apr 2025 13:16:24 +0000 (UTC) From: Ming Lei To: Jens Axboe , linux-block@vger.kernel.org Cc: Caleb Sander Mateos , Uday Shankar , Ming Lei Subject: [PATCH 08/13] selftests: ublk: setup ring with IORING_SETUP_SINGLE_ISSUER/IORING_SETUP_DEFER_TASKRUN Date: Mon, 7 Apr 2025 21:15:19 +0800 Message-ID: <20250407131526.1927073-9-ming.lei@redhat.com> In-Reply-To: <20250407131526.1927073-1-ming.lei@redhat.com> References: <20250407131526.1927073-1-ming.lei@redhat.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 It is observed that this way is more efficient for fast nvme backing file. Signed-off-by: Ming Lei --- tools/testing/selftests/ublk/kublk.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/ublk/kublk.c b/tools/testing/selftests/ublk/kublk.c index f01d8618739b..a78eaa123859 100644 --- a/tools/testing/selftests/ublk/kublk.c +++ b/tools/testing/selftests/ublk/kublk.c @@ -346,7 +346,9 @@ static int ublk_queue_init(struct ublk_queue *q) } ret = ublk_setup_ring(&q->ring, ring_depth, cq_depth, - IORING_SETUP_COOP_TASKRUN); + IORING_SETUP_COOP_TASKRUN | + IORING_SETUP_SINGLE_ISSUER | + IORING_SETUP_DEFER_TASKRUN); if (ret < 0) { ublk_err("ublk dev %d queue %d setup io_uring failed %d\n", q->dev->dev_info.dev_id, q->q_id, ret); -- 2.47.0