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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 9919AC43461 for ; Wed, 12 May 2021 13:16:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6311761363 for ; Wed, 12 May 2021 13:16:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232123AbhELNSE (ORCPT ); Wed, 12 May 2021 09:18:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45556 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232167AbhELNRm (ORCPT ); Wed, 12 May 2021 09:17:42 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49E77C06138D; Wed, 12 May 2021 06:16:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=ErQiIq/YOmz4YzZ4E99a6RCK5eOX97ipCw7O3ph9DFs=; b=EQDE4xee/RkNRgVsT4OjfS6yh4 ruKZgSDj7EHjo6N4MP7LWp/Z9GNkxpGCZQagOyTBpNK12CkFqg/UD4nSmtRHwXqhoTHyfZWQfjqrG 9RIThTi0y3AB2WXSIpC4Pxo2phhhm7maPm+Sz7SyDf/qEThHO0yp3Yzyz9nRoJwxtyzwxW1X5jmjI qYjVqfbcDOQ2G0SbOBvS4TZcn8XC1OieR6AfhLDuwFPtREuMWk+mP0Q++P/9WimijUU6cTLQWMNlt 27CaKQKjdv+DIEv+3SBIQvq4dL2RhVoW20+2YmzNeAo7D7HmMMpXsGdsaFmngES4fNGG9wxTxJLVQ 0ajtsp/g==; Received: from [2001:4bb8:198:fbc8:1036:7ab9:f97a:adbc] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lgoiw-00AO5j-FW; Wed, 12 May 2021 13:16:27 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Jeffle Xu , Ming Lei , Damien Le Moal , Keith Busch , Sagi Grimberg , "Wunderlich, Mark" , "Vasudevan, Anil" , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nvme@lists.infradead.org Subject: [PATCH 14/15] nvme-multipath: set QUEUE_FLAG_NOWAIT Date: Wed, 12 May 2021 15:15:44 +0200 Message-Id: <20210512131545.495160-15-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210512131545.495160-1-hch@lst.de> References: <20210512131545.495160-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org The nvme multipathing code just dispatches bios to one of the blk-mq based paths and never blocks on its own, so set QUEUE_FLAG_NOWAIT to support REQ_NOWAIT bios. Signed-off-by: Christoph Hellwig --- drivers/nvme/host/multipath.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 74455960337b..516fe977606d 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -445,6 +445,8 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head) if (!q) goto out; blk_queue_flag_set(QUEUE_FLAG_NONROT, q); + blk_queue_flag_set(QUEUE_FLAG_NOWAIT, q); + /* set to a default value for 512 until disk is validated */ blk_queue_logical_block_size(q, 512); blk_set_stacking_limits(&q->limits); -- 2.30.2