From patchwork Wed Sep 4 08:42:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 11129649 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 853AA18A6 for ; Wed, 4 Sep 2019 08:43:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 65C4222DBF for ; Wed, 4 Sep 2019 08:43:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="NMvcF6sO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729246AbfIDInC (ORCPT ); Wed, 4 Sep 2019 04:43:02 -0400 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:39226 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728598AbfIDInB (ORCPT ); Wed, 4 Sep 2019 04:43:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1567586581; x=1599122581; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=pKvixMi0uvmO9/2ZT4Cg0TZHXdkq6iCNQjN+mXlVvMo=; b=NMvcF6sOqTUwKr5KqcxangNyiVeMf2zusZRCu9b6OZuGayVfJMjAi+p8 iv6R/Yl38JUi2fzUWvoFpIWGwxg9gwP8K5arQfGEBqND+dwTVo62eIL96 BFhH0M1CfKt2gw7NURKgGU+sMYV18wEkvxMa0BSSD1DvTe55fvepTP6S4 OAPIGoXv6wXkGiMCKepXBkNjvR0F8PR8hugzKGs96XVXC/7JBi1W27NwK h4Z9e1H1qnGDevqp/pFXJC+1LF+5P3sH2K5gczaDtlmhA2ytYr8k8Ii0h 8FwcEn0FP/ogg74SAsLznqtkWnNmbA8XOQN6A/+Sfho53WfAk6PTMBNKV w==; IronPort-SDR: XyX3EL/jPe3evEHejNKr/e2V5FGjdw1sL/fiY1Bd18OoZV1z4U/klAukWaTndTa4SSJ1W2Rjis EdxrGeI4TUSujIkrouKPcYzDhr9k+yEk4BU5I8sch18CqI6Cs1vcwhfJQmFa5Fwoxp/zycGwRT HUEJK/bLV2uUn37kFnrYpKAE8wofYOIYbauDT7zIrJgNQmP6dq7knU9tLzker9Kvm3CKoqOtT3 ya5QJM2oW9c6621KbSbvWDlZI7nwYTs8cK2f8IS8VKC8oJvB134TDL/vy5hY4dIUOYZFIZjksP hAo= X-IronPort-AV: E=Sophos;i="5.64,465,1559491200"; d="scan'208";a="117374688" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 04 Sep 2019 16:42:55 +0800 IronPort-SDR: H3PI/oYHlBAf4xDa66yKtVOhCpUTEMFoMIYey/uMAiSRO7L+CTp14cPmdkkHSB/F3GzeXjXmjm VNRO5Hj4FIzJGeoOhZ4yLGMeGCHEWU0KtRA5Iq/t4J+PnM6oJF9xOBmpN6OUjWCil9u43SIEam vSAM6pkQIDcYVWbtgN75SrdIzSI1HE4OUnh6UfrFGP3BEz9+ZKtkym3H8Gk1vk0xrD8Kma8iZr aLHsy9tK9lRmB3ye921wJer/B3eYaUmqxZq/mcR8HF3UAwGGMlRwlmgE6J6xNZWsfOpfWd+rba nY4bL5hb6W7e2wl3w/+m7Zn4 Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2019 01:39:53 -0700 IronPort-SDR: BnRiekJ3Sz+YVudHETO9KdEIEhLczKv4/nQyCHt42YNogu9rDA3b6WfL7l8h+YDuzApENsZWG+ wpUA0d5Tkl5pxpRQU7GkUec+XytgSvM6iK9EFQs/YnLe/iqJ2OHthPJpWH3H3TqGshhAUaUzVV uzv/7iD+Ov10NH19HiVgWZIw0cEZgfSTwGKPssXp8UyB7IPjS2P3zs8mJw/VToEf7fcXvXhZmi pGNfqt/LsixkaM4JZ9TeTpbXfOrjTfX7a54iHDHggbYvyHSOBpkAJvc+SKbqmYI2e0cS9WkjDS eD0= WDCIronportException: Internal Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by uls-op-cesaip02.wdc.com with ESMTP; 04 Sep 2019 01:42:54 -0700 From: Damien Le Moal To: linux-block@vger.kernel.org, Jens Axboe , linux-scsi@vger.kernel.org, "Martin K . Petersen" Subject: [PATCH v3 6/7] block: Set ELEVATOR_F_ZBD_SEQ_WRITE for nullblk zoned disks Date: Wed, 4 Sep 2019 17:42:46 +0900 Message-Id: <20190904084247.23338-7-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190904084247.23338-1-damien.lemoal@wdc.com> References: <20190904084247.23338-1-damien.lemoal@wdc.com> MIME-Version: 1.0 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Using the helper blk_queue_required_elevator_features(), set the elevator feature ELEVATOR_F_ZBD_SEQ_WRITE as required for the request queue of null_blk devices created with zoned mode enabled. This feature requirement can always be satisfied as the mq-deadline elevator is always selected for in-kernel compilation when CONFIG_BLK_DEV_ZONED (zoned block device support) is enabled. Signed-off-by: Damien Le Moal Reviewed-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn --- drivers/block/null_blk_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c index b26a178d064d..b29b273690b0 100644 --- a/drivers/block/null_blk_main.c +++ b/drivers/block/null_blk_main.c @@ -1695,6 +1695,8 @@ static int null_add_dev(struct nullb_device *dev) blk_queue_chunk_sectors(nullb->q, dev->zone_size_sects); nullb->q->limits.zoned = BLK_ZONED_HM; blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, nullb->q); + blk_queue_required_elevator_features(nullb->q, + ELEVATOR_F_ZBD_SEQ_WRITE); } nullb->q->queuedata = nullb;