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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 A89B4C433DF for ; Mon, 29 Jun 2020 20:12:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 82F2E20675 for ; Mon, 29 Jun 2020 20:12:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593461576; bh=lgdF+Vr6Tm668xiX0c10KvvsPSRsQV1zh/UWjozhaRQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ht3LiAoX2NIIgKhhN5DzQTvh8mEocjPe1IjgCsiynOeUTwAbyIxRDgl3204hJG4HQ 73WeEx7++QRTyqtqOqC/3aY7pJSQ+LTaeZq7H3RrSnKO2qIMyNCzKW2sSyCvzZVijy bHZjes+zdfEiknay9/eoEJT+JQX3hLTqmta40ORI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730674AbgF2UMm (ORCPT ); Mon, 29 Jun 2020 16:12:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:40570 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732870AbgF2TaU (ORCPT ); Mon, 29 Jun 2020 15:30:20 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2F7D125270; Mon, 29 Jun 2020 15:36:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593444982; bh=lgdF+Vr6Tm668xiX0c10KvvsPSRsQV1zh/UWjozhaRQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z7+tIpgfT2wdGFBoZxQCcER75mMtgbc/gPPjkBUdLE5wsHOrXgV4btNblRaakl4jP nk8PZ3EyJGhXgopw/FndOXdP362zTLBSfBiBMp5EvgjDn7XeOvCyFUYK+VSgOl0p91 rCiXybUMsI5QzAFy8TKLu3rE7vhvaFyK8bo97Yfg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Keith Busch , Sagi Grimberg , Christoph Hellwig , Jens Axboe , Sasha Levin Subject: [PATCH 4.19 081/131] nvme-multipath: set bdi capabilities once Date: Mon, 29 Jun 2020 11:34:12 -0400 Message-Id: <20200629153502.2494656-82-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200629153502.2494656-1-sashal@kernel.org> References: <20200629153502.2494656-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.131-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.19.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.19.131-rc1 X-KernelTest-Deadline: 2020-07-01T15:34+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Keith Busch [ Upstream commit b2ce4d90690bd29ce5b554e203cd03682dd59697 ] The queues' backing device info capabilities don't change with each namespace revalidation. Set it only when each path's request_queue is initially added to a multipath queue. Signed-off-by: Keith Busch Reviewed-by: Sagi Grimberg Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- drivers/nvme/host/multipath.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 588864beabd80..6f584a9515f42 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -11,6 +11,7 @@ * more details. */ +#include #include #include #include "nvme.h" @@ -521,6 +522,13 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id) nvme_mpath_set_live(ns); mutex_unlock(&ns->head->lock); } + + if (bdi_cap_stable_pages_required(ns->queue->backing_dev_info)) { + struct backing_dev_info *info = + ns->head->disk->queue->backing_dev_info; + + info->capabilities |= BDI_CAP_STABLE_WRITES; + } } void nvme_mpath_remove_disk(struct nvme_ns_head *head) -- 2.25.1