Re: [PATCH] block: Fix a race between tag iteration and hardware queue changes

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To: "jianchao.wang" <jianchao.w.wang@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>
Subject: Re: [PATCH] block: Fix a race between tag iteration and hardware queue changes
From: Bart Van Assche <bvanassche@xxxxxxx>
Date: Wed, 03 Apr 2019 08:30:21 -0700
Cc: linux-block@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Hannes Reinecke <hare@xxxxxxxx>, James Smart <james.smart@xxxxxxxxxxxx>, Ming Lei <ming.lei@xxxxxxxxxx>, Keith Busch <keith.busch@xxxxxxxxx>, Dongli Zhang <dongli.zhang@xxxxxxxxxx>, stable@xxxxxxxxxxxxxxx
In-reply-to: <9d74985d-969c-b68d-fa05-2707ed27e013@oracle.com>
References: <20190402223202.30752-1-bvanassche@acm.org> <9d74985d-969c-b68d-fa05-2707ed27e013@oracle.com>

On Wed, 2019-04-03 at 11:26 +-0800, jianchao.wang wrote:
+AD4 percpu+AF8-ref+AF8-tryget should be enough here.

Having thought further about this, I think you are right. I will drop this
patch.

Thanks,

Bart.

References:
- [PATCH] block: Fix a race between tag iteration and hardware queue changes
  - From: Bart Van Assche
- Re: [PATCH] block: Fix a race between tag iteration and hardware queue changes
  - From: jianchao.wang

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