Re: [PATCH 8/8] xen-blockfront: quiesce IO before device removal

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To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH 8/8] xen-blockfront: quiesce IO before device removal
From: Sagi Grimberg <sagi@xxxxxxxxxxx>
Date: Wed, 5 Jul 2017 09:29:26 +0300
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, Keith Busch <keith.busch@xxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>
In-reply-to: <20170704221908.GA3732@ming.t460p>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1

Looks the above change isn't needed since this blk_mq_start_stopped_hw_queues()
should have been the counterpart of blk_mq_stop_hw_queue() in
blkif_queue_rq().


Removed the patch altogether in v2 as I'm not convinced it is needed.

Follow-Ups:
- Re: [PATCH 8/8] xen-blockfront: quiesce IO before device removal
  - From: Christoph Hellwig

References:
- [PATCH 0/8] correct quiescing in several block drivers
  - From: Sagi Grimberg
- [PATCH 8/8] xen-blockfront: quiesce IO before device removal
  - From: Sagi Grimberg
- Re: [PATCH 8/8] xen-blockfront: quiesce IO before device removal
  - From: Ming Lei

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