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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 8D64BC43603 for ; Mon, 16 Dec 2019 18:04:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 668ED2082E for ; Mon, 16 Dec 2019 18:04:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576519498; bh=ONcg6CTAx3FqBRp5JTfX2yR3lHqPGYWNzzkOB9RhOLQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IdpnwddK2rioKwXNiEzEZg8Ymh0QoaV6oCfTZx6Qk0G0fPHJWYPU46LxkY+rOi2Gn 1JF4BSf/jSQt3xL89yZPx0N2f+/UyKb4EZ5umTkm1U5dONFfqSz03ieFVYpO99j+Nd fAX8xfHHnfRELg3wAv10fGzjaf8TWfaEcyOpUB1A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729751AbfLPSE5 (ORCPT ); Mon, 16 Dec 2019 13:04:57 -0500 Received: from mail.kernel.org ([198.145.29.99]:42482 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729361AbfLPSEw (ORCPT ); Mon, 16 Dec 2019 13:04:52 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DA4A520700; Mon, 16 Dec 2019 18:04:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576519492; bh=ONcg6CTAx3FqBRp5JTfX2yR3lHqPGYWNzzkOB9RhOLQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YUtpz3uz+hbfFBIXPlUlO6ayKMjuE4NYFhfQrBvN94HyNpEZhBjsUyHTUIUMTk6ff w6Y7k9EjPhnyW+u9y9uREctNjji61WRLW+Ni1aPxG0UXope1gpDTRjwRJPveBEKAYj SYTScCgWoLb1tO5BpOz3c8+p9KPzGRTSlSgE/UE4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Maged Mokhtar , Mikulas Patocka , Mike Snitzer Subject: [PATCH 4.19 051/140] dm writecache: handle REQ_FUA Date: Mon, 16 Dec 2019 18:48:39 +0100 Message-Id: <20191216174802.558576404@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191216174747.111154704@linuxfoundation.org> References: <20191216174747.111154704@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Maged Mokhtar commit c1005322ff02110a4df7f0033368ea015062b583 upstream. Call writecache_flush() on REQ_FUA in writecache_map(). Cc: stable@vger.kernel.org # 4.18+ Signed-off-by: Maged Mokhtar Acked-by: Mikulas Patocka Signed-off-by: Mike Snitzer Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-writecache.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/md/dm-writecache.c +++ b/drivers/md/dm-writecache.c @@ -1223,7 +1223,8 @@ bio_copy: } } while (bio->bi_iter.bi_size); - if (unlikely(wc->uncommitted_blocks >= wc->autocommit_blocks)) + if (unlikely(bio->bi_opf & REQ_FUA || + wc->uncommitted_blocks >= wc->autocommit_blocks)) writecache_flush(wc); else writecache_schedule_autocommit(wc);