From patchwork Wed Aug 4 09:56:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 491725 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, 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 5FE1EC4320A for ; Wed, 4 Aug 2021 10:01:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 446C361037 for ; Wed, 4 Aug 2021 10:01:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236859AbhHDKBr (ORCPT ); Wed, 4 Aug 2021 06:01:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236397AbhHDKBa (ORCPT ); Wed, 4 Aug 2021 06:01:30 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDBCAC0613D5; Wed, 4 Aug 2021 03:01:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=C7BNoQnfAhpf1wqghahug1gwysuiZ4tUzmHR/Uv5INQ=; b=DjcorNtLkts0oP6dnpTQfumsvp O2P1/zhII9l+7JUkGtZMN2Pn1xTz0ZLBQgMMVSZityRrbsgwhAkYOjzhRRwjxHzFnaLs33AHuOS0f 3+v2K+PBrXa476TIP8IbNnljuGnrm+SbD9rl5MQwqfsq2is6VruACOLulFtvIYbB+zAWHWjcwxGNF Ew5/GSbbMlxTpikTCQjGda88tmEsu5PwVMA3zd0BwewYOk6UeHdzz7NlslL6lXnktoKPgsn1ZtEU5 gX4nbrwsXi8O41tKqVUHrft0/km/Fas41l1i1kIVNcS5jAgBmoAAV1jnnV2ZJQO8q54pLY2hOG6nR FsMBFdRQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDfi-005f2N-DE; Wed, 04 Aug 2021 09:59:07 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 03/15] dm: make EBS depend on !HIGHMEM Date: Wed, 4 Aug 2021 11:56:22 +0200 Message-Id: <20210804095634.460779-4-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org __ebs_rw_bvec use page_address on the submitted bios data, and thus can't deal with highmem. Disable the target on highmem configs. Signed-off-by: Christoph Hellwig --- drivers/md/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 0602e82a9516..ecc559c60d40 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -340,7 +340,7 @@ config DM_WRITECACHE config DM_EBS tristate "Emulated block size target (EXPERIMENTAL)" - depends on BLK_DEV_DM + depends on BLK_DEV_DM && !HIGHMEM select DM_BUFIO help dm-ebs emulates smaller logical block size on backing devices