From patchwork Thu Sep 5 09:51:34 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: 11132563 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 8D3F218A6 for ; Thu, 5 Sep 2019 09:51:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6CD2321743 for ; Thu, 5 Sep 2019 09:51:57 +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="IyE8U2Tn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730769AbfIEJv4 (ORCPT ); Thu, 5 Sep 2019 05:51:56 -0400 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:25315 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387607AbfIEJvx (ORCPT ); Thu, 5 Sep 2019 05:51:53 -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=1567677113; x=1599213113; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+BoXKBI8NPREtCwEN8cyWiTl5gToB5DcHyIz5CI6+dg=; b=IyE8U2TnHaj/SO182xF8jTnU6cllqZ4hzkd/J9M5mhTzXw0qRJzicyNm 8iiUjVdbcKiMmn5lQ599UL875IF8IIEwsZ40GPpJvM/xrrvq2y1ii1h0r GjPRT8BAgC3pZbYiXjNk11T00oucDaKzsiC+Omi15uZmg/Tl07NxS8LbE Xlwdpy4iQ3z2IuAPl4giL00tW24fDLhJaYMyV4pukNY8T2pKe0d0O8Wmy A9x1LKnGLLjMvFCVDzEaNhBEoRRJ0ujhhX5VZxMPgOMsWM5lVQGVFGPei c4e77MMExRrK6vRNChIdHClgWJa2x4bE4Rq+KnNWXtg4SXPzE01VnbmR8 Q==; IronPort-SDR: ZBSUJ9PdxT5HhlFOZlLQtTzhRuCVA6744fzrJHazdbHyv+uphG8GOOso+LyjxCuSxPmifY96rK 7GxjgciPofij9CeUnpM496Ul0yxbsf6pXvm5zdm93mpDaw5h5HKqSGp9rTghDOXNq7y/Cy6kpY USNVmSVWD5oHNKW6ciClquXXgJp+Qe7Fw+pZUIayahDWSR2sHkLwhb+n6R6erBj/5jxciQTog9 1siD7SvXS/4R0CctccT+9k3tAgeyt7mUHHuw4NBUw6dH+LK4wCYCl86s29cMaOQSzCyh/wAMCY pxw= X-IronPort-AV: E=Sophos;i="5.64,470,1559491200"; d="scan'208";a="119106279" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 05 Sep 2019 17:51:45 +0800 IronPort-SDR: DBMZ8xCL01vkbdFnc3A27SMhxRcyWMwtRv+IGzJiQXP5Na+MXGEiww8Vwxa437GWwHNA3rjLo0 11HKYvWIe/5SjmqHc8uttg3AI3tTGYaLPn3ScWr1gZQuyFyIsXqlwPrgb6DJSCqO1to0xZJX62 /vFfylOoLdI1S2GLrRgK2uJ/ZOjYrLQSK1sG49I+paA8x4Qkmhrd9gy/MWlGB11F62Mdam6iuw epBbC+B8sPldPA0xcm4Q2/ufOcQ7SMkov4tVmInbrMaCGU0VR+fLBZwoLwMaynS2cAtnyj7wyr Tq2feeV/cNM+gaG5nYppJa1v Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2019 02:48:41 -0700 IronPort-SDR: Lfq6lKAztSB3r+9NM2ybsRXa847PgYMz1cpkVkbcK/5O6l3KjTn47sJkjX5sYzZqM87vEd1H6B sG9XxTFxstHIIo72pzsTUpcc6Fhx7YeajeAOQ5LKHGg/dFXkMzxS37QPdMEsu3t7TGfpLSo1DW wj2SxRsBLQmESwEevJYsqoPyBT1lpzoHfiV+OlSiIXWo+/k3kXIziEVFAacN61BY6o58Vuo+4R I8n4EuROm7l/RIY2WszBVXC0p6ySS4motlLqbWs+K95qbP1LvMlIGUPC4mcVGFhpzlf4aTPCXs Fis= WDCIronportException: Internal Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by uls-op-cesaip01.wdc.com with ESMTP; 05 Sep 2019 02:51:44 -0700 From: Damien Le Moal To: linux-block@vger.kernel.org, Jens Axboe , linux-scsi@vger.kernel.org, "Martin K . Petersen" , dm-devel@redhat.com, Mike Snitzer Cc: Ming Lei Subject: [PATCH v5 6/7] block: Set ELEVATOR_F_ZBD_SEQ_WRITE for nullblk zoned disks Date: Thu, 5 Sep 2019 18:51:34 +0900 Message-Id: <20190905095135.26026-7-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190905095135.26026-1-damien.lemoal@wdc.com> References: <20190905095135.26026-1-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 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;