From patchwork Fri Apr 9 16:43:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Coly Li X-Patchwork-Id: 12194531 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,URIBL_BLOCKED,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 DD01AC43461 for ; Fri, 9 Apr 2021 16:45:41 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A3D60610A7 for ; Fri, 9 Apr 2021 16:45:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3D60610A7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 8D3F6100EAB15; Fri, 9 Apr 2021 09:45:41 -0700 (PDT) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=195.135.220.15; helo=mx2.suse.de; envelope-from=colyli@suse.de; receiver= Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 8338F100EAB1C for ; Fri, 9 Apr 2021 09:45:39 -0700 (PDT) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 17E50B0B8; Fri, 9 Apr 2021 16:45:38 +0000 (UTC) From: Coly Li To: linux-bcache@vger.kernel.org Subject: [PATCH v7 14/16] bcache: use div_u64() in init_owner_info() Date: Sat, 10 Apr 2021 00:43:41 +0800 Message-Id: <20210409164343.56828-15-colyli@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210409164343.56828-1-colyli@suse.de> References: <20210409164343.56828-1-colyli@suse.de> MIME-Version: 1.0 Message-ID-Hash: UUGWAWO44TONXCWD47NQNWAY7EU6XJHG X-Message-ID-Hash: UUGWAWO44TONXCWD47NQNWAY7EU6XJHG X-MailFrom: colyli@suse.de X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; suspicious-header CC: linux-block@vger.kernel.org, linux-nvdimm@lists.01.org, axboe@kernel.dk, jianpeng.ma@intel.com, qiaowei.ren@intel.com, hare@suse.com, jack@suse.cz, Coly Li , kernel test robot X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Kernel test robot reports the built-in u64/u32 in init_owner_info() doesn't work for m68k arch, the explicit div_u64() should be used. This patch explicit uses div_u64() to do the u64/u32 division on 32bit m68k arch. Reported-by: kernel test robot Signed-off-by: Coly Li Cc: Jianpeng Ma Cc: Qiaowei Ren --- drivers/md/bcache/nvm-pages.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/bcache/nvm-pages.c b/drivers/md/bcache/nvm-pages.c index c3ab396a45fa..19597ae7ef3e 100644 --- a/drivers/md/bcache/nvm-pages.c +++ b/drivers/md/bcache/nvm-pages.c @@ -405,7 +405,7 @@ static int init_owner_info(struct bch_nvm_namespace *ns) only_set->owner_list_used = owner_list_head->used; /*remove used space*/ - remove_owner_space(ns, 0, ns->pages_offset/ns->page_size); + remove_owner_space(ns, 0, div_u64(ns->pages_offset, ns->page_size)); sys_recs = ns->kaddr + BCH_NVM_PAGES_SYS_RECS_HEAD_OFFSET; // suppose no hole in array