Re: [PATCH 5/6] blk-mq: add helper of blk_mq_get_hctx to retrieve hctx via its index

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To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH 5/6] blk-mq: add helper of blk_mq_get_hctx to retrieve hctx via its index
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 1 Mar 2022 05:33:40 -0800
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Yu Kuai <yukuai3@xxxxxxxxxx>
In-reply-to: <20220228090430.1064267-6-ming.lei@redhat.com>
References: <20220228090430.1064267-1-ming.lei@redhat.com> <20220228090430.1064267-6-ming.lei@redhat.com>

On Mon, Feb 28, 2022 at 05:04:29PM +0800, Ming Lei wrote:
> Prepare for managing hctx mapping via xarray by adding one helper of
> blk_mq_get_hctx().

I'd rather merge this into the next patch for reason I'll explain there.

References:
- [PATCH 0/6] blk-mq: update_nr_hw_queues related improvement & bugfix
  - From: Ming Lei
- [PATCH 5/6] blk-mq: add helper of blk_mq_get_hctx to retrieve hctx via its index
  - From: Ming Lei

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