Re: [PATCH 2/4] block: only define 'nr_sects_seq' in hd_part for 32bit SMP

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To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH 2/4] block: only define 'nr_sects_seq' in hd_part for 32bit SMP
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 7 May 2020 07:16:38 -0700
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Yufen Yu <yuyufen@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Hou Tao <houtao1@xxxxxxxxxx>
In-reply-to: <20200507085239.1354854-3-ming.lei@redhat.com>
References: <20200507085239.1354854-1-ming.lei@redhat.com> <20200507085239.1354854-3-ming.lei@redhat.com>

On Thu, May 07, 2020 at 04:52:37PM +0800, Ming Lei wrote:
> The seqcount of 'nr_sects_seq' is only needed in case of 32bit SMP,
> so define it just for 32bit SMP.

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH 0/4] block: fix partition use-after-free and optimization
  - From: Ming Lei
- [PATCH 2/4] block: only define 'nr_sects_seq' in hd_part for 32bit SMP
  - From: Ming Lei

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