From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guilherme Piccoli Subject: Re: [PATCH V2 2/2] md/raid0: Do not bypass blocking queue entered for raid0 bios Date: Tue, 21 May 2019 14:37:36 -0300 Message-ID: References: <20190520220911.25192-1-gpiccoli@canonical.com> <20190520220911.25192-2-gpiccoli@canonical.com> <20190521125634.GB16799@infradead.org> <20190521172258.GA32702@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20190521172258.GA32702@infradead.org> Sender: stable-owner@vger.kernel.org To: Christoph Hellwig Cc: linux-block@vger.kernel.org, linux-raid , dm-devel@redhat.com, axboe@kernel.dk, Gavin Guo , Jay Vosburgh , "Guilherme G. Piccoli" , Ming Lei , Song Liu , Tetsuo Handa , stable@vger.kernel.org List-Id: linux-raid.ids On Tue, May 21, 2019 at 2:23 PM Christoph Hellwig wrote: > > On Tue, May 21, 2019 at 11:10:05AM -0300, Guilherme Piccoli wrote: > > Hi Christoph, thanks for looking into this. > > You're right, this series fixes both issues. The problem I see though > > is that it relies > > on legacy IO path removal - for v5.0 and beyond, all fine. But > > backporting that to > > v4.17-v4.20 stable series will be quite painful. > > > > My fixes are mostly "oneliners". If we could get both approaches upstream, > > that'd be perfect! > > But they basically just fix code that otherwise gets removed. And the way > this patches uses the ENTERED flag from the md code looks slightly > sketchy to me. Maybe we want them as stable only patches. OK, it makes sense to me, if that is a possibility. The fist one is clearly a small and non-intrusive fix. The 2nd indeed is more invasive heh Please let me know how to proceed to have that added at least in stable trees; this would help a lot the distro side of the world hehe Cheers, Guilherme