From: Christoph Hellwig <hch@infradead.org>
To: Guilherme Piccoli <gpiccoli@canonical.com>
Cc: Christoph Hellwig <hch@infradead.org>,
linux-block@vger.kernel.org,
linux-raid <linux-raid@vger.kernel.org>,
dm-devel@redhat.com, axboe@kernel.dk,
Gavin Guo <gavin.guo@canonical.com>,
Jay Vosburgh <jay.vosburgh@canonical.com>,
"Guilherme G. Piccoli" <kernel@gpiccoli.net>,
Ming Lei <ming.lei@redhat.com>, Song Liu <liu.song.a23@gmail.com>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
stable@vger.kernel.org
Subject: Re: [PATCH V2 2/2] md/raid0: Do not bypass blocking queue entered for raid0 bios
Date: Tue, 21 May 2019 10:22:58 -0700 [thread overview]
Message-ID: <20190521172258.GA32702@infradead.org> (raw)
In-Reply-To: <CAHD1Q_z23AO+NRid1xYTeke_5GAe6hPianEZKBf5P30FrfZGFg@mail.gmail.com>
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.
next prev parent reply other threads:[~2019-05-21 17:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-20 22:09 [PATCH V2 1/2] block: Fix a NULL pointer dereference in generic_make_request() Guilherme G. Piccoli
2019-05-20 22:09 ` [PATCH V2 2/2] md/raid0: Do not bypass blocking queue entered for raid0 bios Guilherme G. Piccoli
2019-05-21 12:56 ` Christoph Hellwig
2019-05-21 14:10 ` Guilherme Piccoli
2019-05-21 17:22 ` Christoph Hellwig [this message]
2019-05-21 17:37 ` Guilherme Piccoli
2019-05-21 5:59 ` [PATCH V2 1/2] block: Fix a NULL pointer dereference in generic_make_request() Song Liu
2019-05-21 12:07 ` Guilherme Piccoli
2019-05-23 14:33 ` Guilherme G. Piccoli
2019-05-23 17:06 ` Song Liu
2019-05-23 20:30 ` Guilherme Piccoli
2019-05-21 12:51 ` Christoph Hellwig
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