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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B8A61CD6E4A for ; Tue, 2 Jun 2026 10:25:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=hRPt7mzyqdyREPEGW6G3M5xYMjEjmy1kiu/DcmwtyEE=; b=aXEcqmtRV8ClN/gxEXeJ1AJnf6 zJS+ugDJHufy7ypdgpIRt0Ww+ZZw4xkAo+qpMFMYhBPPzssouxIegOll3hRSNvyRsnM1CBUEJifEM Nl1GbHSb0wTrXgg8/jMuSL6QjkTuTG5Tb3VOjrzryJxtqHaa6H5Nbkg0/ip02jAwgSP1sgNzF0FGa lml+V0wkSp378TSgxum6Rkrgqoc14pNeaW8aC6T3uLrMnNxG/fnE2fRFEExuMgUxZFQmno/QBGyK1 Z54ltprbhFDJ2iuxRYjxzrWcOMLhQg12zCTb4LRaSt2h4DM177DuGtetNnLT35PgsqyjtVTcDhIUu M3hggf9Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUMJh-0000000Cm6Y-2wtt; Tue, 02 Jun 2026 10:25:49 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUMJe-0000000Cm5T-3BMk for linux-nvme@lists.infradead.org; Tue, 02 Jun 2026 10:25:47 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 67DDF40B36; Tue, 2 Jun 2026 10:25:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DBA991F00893; Tue, 2 Jun 2026 10:25:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780395946; bh=hRPt7mzyqdyREPEGW6G3M5xYMjEjmy1kiu/DcmwtyEE=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=oxWDg3VOdhrLnk6CH2HPjPsf4D3LfI8/QGRytvqpUurWfddEKoudjtAIIurph+Lyt CkCbTJx/5PAMWghvlYTdRXpAeAEjXacWhKmw2A79V8KrN1jnkwZ2j76AwzZh+WnqvU 1A0vBqEysMcZyxSG/F11XvW+V96Zn4fRIgKoKgpSuRHK89uZcbnKeR8Uifeeyzrwpd IRN2/TGDVAspJijA97goGwFF/AQFYeRMqHoWnd7gQ3vYUHc5xD1NIC44LJsxRFY9Rn dll83oXxQeNxZ9OV+uQbwqqUBynI01Hp2/DEsjl2DxaoBGpmQRlGi2fQwJfOzvRMQ0 bqNjtg5Opxo0Q== Date: Tue, 2 Jun 2026 11:25:40 +0100 From: Keith Busch To: "Achkinazi, Igor" Cc: "hch@lst.de" , "sagi@grimberg.me" , "axboe@kernel.dk" , "linux-nvme@lists.infradead.org" , "linux-block@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: Re: [PATCH v2] nvme-multipath: set BIO_REMAPPED on bios remapped to per-path namespace disks Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260602_032546_816462_1399AD42 X-CRM114-Status: UNSURE ( 8.20 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Thu, May 28, 2026 at 03:24:27PM +0000, Achkinazi, Igor wrote: > When nvme_ns_head_submit_bio() remaps a bio from the multipath head to > a per-path namespace, bio_set_dev() clears BIO_REMAPPED. The remapped > bio is then resubmitted through submit_bio_noacct() which calls > bio_check_eod() because BIO_REMAPPED is not set. Thanks, applied to nvme-7.2. I had to manually fix up the whitespace damage, but not a big deal.