Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752173AbcCLIE2 (ORCPT ); Sat, 12 Mar 2016 03:04:28 -0500 Received: from mail.kernel.org ([198.145.29.136]:53387 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751650AbcCLIEU (ORCPT ); Sat, 12 Mar 2016 03:04:20 -0500 MIME-Version: 1.0 In-Reply-To: <20160312074329.GA19066@kmo-pixel> References: <20160312074329.GA19066@kmo-pixel> Date: Sat, 12 Mar 2016 00:04:17 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: e827091cb1 "block: merge: get the 1st and last bvec via helpers" broken From: Ming Lin To: Kent Overstreet Cc: Jens Axboe , lkml , Ming Lei Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 285 Lines: 8 On Fri, Mar 11, 2016 at 11:43 PM, Kent Overstreet wrote: > I don't know exactly how it's broken, but with that patch segment counting is > broken - I'm seeing blk_rq_map_sg() overrun the end of the sgtable. > > I suggest reverting it for 4.5... + Ming Lei