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=-5.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 A6226C54E4A for ; Tue, 12 May 2020 14:38:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80909206A5 for ; Tue, 12 May 2020 14:38:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589294338; bh=TJ5cQZ2Xno+I4G+cOEG7/S+lEJchHpPM1EYX/2qrA5E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=BhpYwnvwuA+SzkpR04oqbLknXKebGmCam90aHwP/5gugd9KD/wppT54cUlxu3VhLC 8NNXS8QeS5ep1mrcQWfCDZPhQQiOC0X2ji90KyhroeEyStlrPi222fwxXyHbmzzEn/ /Cd1KbLZKr5Qo+E1D/j1y6a+/FBubmvh21yVvb6Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730394AbgELOi6 (ORCPT ); Tue, 12 May 2020 10:38:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:60202 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728101AbgELOi5 (ORCPT ); Tue, 12 May 2020 10:38:57 -0400 Received: from localhost (unknown [73.114.22.254]) (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 2CD33206A3; Tue, 12 May 2020 14:38:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589294337; bh=TJ5cQZ2Xno+I4G+cOEG7/S+lEJchHpPM1EYX/2qrA5E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=WwIFO6PCiSo70pK0Pr8GRXg6abANXk1K1170+Czoe8N4GGspMlojQLjHALiIsSdAY KbQlvdSowPwWwDD1qqmTzFyUUc4k8MP6gL5rcX1k3Vb3W26FZ5U5ZCJZwY2eb5FcVN 25U7v+Hmsd/JKzqAP5VtVuuBhf07UgG/M7onBTbc= Date: Tue, 12 May 2020 10:38:51 -0400 From: Sasha Levin To: gregkh@linuxfoundation.org Cc: hch@lst.de, axboe@kernel.dk, bvanassche@acm.org, jack@suse.cz, yuyufen@huawei.com, stable@vger.kernel.org Subject: Re: FAILED: patch "[PATCH] bdi: add a ->dev_name field to struct backing_dev_info" failed to apply to 5.6-stable tree Message-ID: <20200512143851.GQ13035@sasha-vm> References: <158928427224231@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <158928427224231@kroah.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, May 12, 2020 at 01:51:12PM +0200, gregkh@linuxfoundation.org wrote: > >The patch below does not apply to the 5.6-stable tree. >If someone wants it applied there, or to any other stable or longterm >tree, then please email the backport, including the original git commit >id to . > >thanks, > >greg k-h > >------------------ original commit in Linus's tree ------------------ > >>From 6bd87eec23cbc9ed222bed0f5b5b02bf300e9a8d Mon Sep 17 00:00:00 2001 >From: Christoph Hellwig >Date: Mon, 4 May 2020 14:47:56 +0200 >Subject: [PATCH] bdi: add a ->dev_name field to struct backing_dev_info > >Cache a copy of the name for the life time of the backing_dev_info >structure so that we can reference it even after unregistering. > >Fixes: 68f23b89067f ("memcg: fix a crash in wb_workfn when a device disappears") >Reported-by: Yufen Yu >Signed-off-by: Christoph Hellwig >Reviewed-by: Jan Kara >Reviewed-by: Bart Van Assche >Signed-off-by: Jens Axboe I've also grabbed eb7ae5e06bb6 ("bdi: move bdi_dev_name out of line") as a dependency and queued both for 5.6 and 5.4. -- Thanks, Sasha