From: Guilherme Piccoli <gpiccoli@canonical.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: 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 11:10:05 -0300 [thread overview]
Message-ID: <CAHD1Q_z23AO+NRid1xYTeke_5GAe6hPianEZKBf5P30FrfZGFg@mail.gmail.com> (raw)
In-Reply-To: <20190521125634.GB16799@infradead.org>
On Tue, May 21, 2019 at 9:56 AM Christoph Hellwig <hch@infradead.org> wrote:
> > [1] https://lore.kernel.org/linux-block/20190515030310.20393-4-ming.lei@redhat.com/
>
> Actually - that series should also fix you problem and avoid the need
> for both patches in this series. Can you please test it?
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!
Cheers,
Guilherme
next prev parent reply other threads:[~2019-05-21 14:10 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 [this message]
2019-05-21 17:22 ` Christoph Hellwig
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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