From patchwork Thu Feb 13 19:26:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Dryomov X-Patchwork-Id: 11381071 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1B0E892A for ; Thu, 13 Feb 2020 19:25:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EE48E2168B for ; Thu, 13 Feb 2020 19:25:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gtdqLYgp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728563AbgBMTZs (ORCPT ); Thu, 13 Feb 2020 14:25:48 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:41379 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728460AbgBMTZr (ORCPT ); Thu, 13 Feb 2020 14:25:47 -0500 Received: by mail-wr1-f67.google.com with SMTP id c9so8125509wrw.8 for ; Thu, 13 Feb 2020 11:25:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=2HRkd5HdwNsGrBM1Iir3PFHXRsqwdBQsOnm/hEO+rGo=; b=gtdqLYgpP+eAKgJRERNiRWX/BIm3J80TyMQKhicVZx6frqtiHSY0BPuOGC6fZpXRs9 INuZOZHIePqVFrR3uVgF7q04BaMo/UFxWicVUTFhqAtbhIeLjFgfOLZBsLmupg22l1Mq 5uFLSRoKocOooPLuE32MKzK9WVNuUAiUnMERSVUSjWmQYm06OsqZ3USCxJ76GJGB3ejx 9YdadjSTfTjQ9p/D4P1RUMrpP4tnZowxc5NBJIKK5IrKDV4Ag6gSavmqq7xtavBm6ZwN 6SmItjUmFqFc2/mveZmqAz/HAEzz6Pkqltsz39FoBPDFglBsILsC4FxowZNLSEe73gBF tCIw== 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:mime-version:content-transfer-encoding; bh=2HRkd5HdwNsGrBM1Iir3PFHXRsqwdBQsOnm/hEO+rGo=; b=OoDNeG4IPrld6LLOZkd7/4ZgTyg7uxO/GEDYlpSja5lmDn+QuXt96LZ1u2MTsdNnPi Wj9CiOmxrxy239LlYHKMNz6l6He6ffGJNbg2Py0y0Jpm/NSORFAVW6iJsZlwpHdKvP5N iQmeFMDiWv35m8MS63C9nFtY3ccmH2MbCQDwf8ybRC9gutt8TdPUxvk9TWDd8xYCo6xG JsXOUvM9HEoPrqs2GzgTLJqiOY/06eiOKfWYawXM0YbesNkQaBs7yqt9O7s/GtoLrSz/ tu834vKpQ7+CmCxGsHxx/IdN2VZaNFWEIpzT5wats+2kbbbCORr/g6L2Op3SOVXjy/t5 x/nA== X-Gm-Message-State: APjAAAVoHjd+xh4UlwXi0sqHi2nfEfQYGK8ky8xi2HahGDVd3GaG8qJn NSl4wnAC9yXUTGFtxqPtKBAazsnZkVU= X-Google-Smtp-Source: APXvYqy76K/bv7wGdz43tuii/bm5Clr7ERFbDCfqY9gy+VqQ7RePy7aSBJJy+FaG+REtMhZgL4aLgQ== X-Received: by 2002:a5d:6802:: with SMTP id w2mr22839548wru.353.1581621945857; Thu, 13 Feb 2020 11:25:45 -0800 (PST) Received: from kwango.redhat.com (nat-pool-brq-t.redhat.com. [213.175.37.10]) by smtp.gmail.com with ESMTPSA id 21sm4326227wmo.8.2020.02.13.11.25.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Feb 2020 11:25:45 -0800 (PST) From: Ilya Dryomov To: ceph-devel@vger.kernel.org Cc: Hannes Reinecke Subject: [PATCH 5/5] rbd: enable multiple blk-mq queues Date: Thu, 13 Feb 2020 20:26:06 +0100 Message-Id: <20200213192606.31194-6-idryomov@gmail.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20200213192606.31194-1-idryomov@gmail.com> References: <20200213192606.31194-1-idryomov@gmail.com> MIME-Version: 1.0 Sender: ceph-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org From: Hannes Reinecke Allocate one queue per CPU and get a performance boost from higher parallelism. Signed-off-by: Hannes Reinecke --- drivers/block/rbd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 9ff4355fe48a..a4e7b494344c 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4970,7 +4970,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) rbd_dev->tag_set.queue_depth = rbd_dev->opts->queue_depth; rbd_dev->tag_set.numa_node = NUMA_NO_NODE; rbd_dev->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; - rbd_dev->tag_set.nr_hw_queues = 1; + rbd_dev->tag_set.nr_hw_queues = num_present_cpus(); rbd_dev->tag_set.cmd_size = sizeof(struct rbd_img_request); err = blk_mq_alloc_tag_set(&rbd_dev->tag_set);