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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 27FA8C282FE for ; Mon, 21 Jan 2019 08:33:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EB30920855 for ; Mon, 21 Jan 2019 08:33:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="bs7HDq84" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729139AbfAUIdW (ORCPT ); Mon, 21 Jan 2019 03:33:22 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:47064 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727979AbfAUIdW (ORCPT ); Mon, 21 Jan 2019 03:33:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=3vLTqArO6IlnvIpVNNwtBoC44J5aee9wRIhosCflYV8=; b=bs7HDq84GmSf0zN6cm0CvvZbU hr83ehxSwLRzfxBIPX2eo7i24iEE27zN5bqbVeVF9UsC1jK1gg4Sf2pyCgglPhDYfDrFJEnNUuz9V BH2Q1PDzIwiKEd01Smjf7TQHg0GwOQsEaaVcd+tc/8u0gIJKjWP7AmfTAXigZkeqSGB5Ut9h2e+fw YCcsG2blbVrVExCZGRgEimr95NxNBeqDNdWV8WHWaf7RcYvfTJfAWX++V9ybvGXWHtCjV4XDoX1qV ih/ZbglQkXIowNwYL5ncWEINPxeQxOEkpHliKzCc2EllQVuS0I8yNFF9Mcw882VCgTKfVy5vb6sBg JsbvsGhDg==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1glV1B-0007Wk-Gj; Mon, 21 Jan 2019 08:33:17 +0000 Date: Mon, 21 Jan 2019 00:33:17 -0800 From: Christoph Hellwig To: Bart Van Assche Cc: Christoph Hellwig , Jens Axboe , "jianchao.wang" , Marc Gonzalez , fsdevel , linux-block , SCSI , Alexander Viro , Jan Kara , Joao Pinto , Fujita Tomonori , Paolo Valente Subject: Re: dd hangs when reading large partitions Message-ID: <20190121083317.GA20900@infradead.org> References: <398a6e83-d482-6e72-5806-6d5bbe8bfdd9@oracle.com> <20190119095601.GA7440@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Sat, Jan 19, 2019 at 08:09:18AM -0800, Bart Van Assche wrote: > Which patch are you referring to? a3cd5ec55f6 ("scsi: ufs: add load based scaling of UFS gear") That being said it doesn't seem entirely trivial to revert due to later additions, so this might require a little more work.