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From: Jens Axboe <axboe@kernel.dk>
To: stefanha@redhat.com, mst@redhat.com, jasowang@redhat.com, 
 Yi Sun <yi.sun@unisoc.com>
Cc: sunyibuaa@gmail.com, hongyu.jin@unisoc.com, zhiguo.niu@unisoc.com, 
 xuanzhuo@linux.alibaba.com, pbonzini@redhat.com, 
 virtualization@lists.linux.dev, linux-block@vger.kernel.org, 
 linux-kernel@vger.kernel.org
In-Reply-To: <20240129085250.1550594-1-yi.sun@unisoc.com>
References: <20240129085250.1550594-1-yi.sun@unisoc.com>
Subject: Re: [PATCH V2] virtio-blk: Ensure no requests in virtqueues before
 deleting vqs.
Message-Id: <170741716688.1391883.2946265788968193577.b4-ty@kernel.dk>
Date: Thu, 08 Feb 2024 11:32:46 -0700
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On Mon, 29 Jan 2024 16:52:50 +0800, Yi Sun wrote:
> Ensure no remaining requests in virtqueues before resetting vdev and
> deleting virtqueues. Otherwise these requests will never be completed.
> It may cause the system to become unresponsive.
> 
> Function blk_mq_quiesce_queue() can ensure that requests have become
> in_flight status, but it cannot guarantee that requests have been
> processed by the device. Virtqueues should never be deleted before
> all requests become complete status.
> 
> [...]

Applied, thanks!

[1/1] virtio-blk: Ensure no requests in virtqueues before deleting vqs.
      (no commit info)

Best regards,
-- 
Jens Axboe