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Date: Mon, 21 Apr 2025 14:34:56 +0200
From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org,
	Nilay Shroff <nilay@linux.ibm.com>,
	Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>,
	Thomas =?iso-8859-1?Q?Hellstr=F6m?= <thomas.hellstrom@linux.intel.com>,
	Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH V2 03/20] block: don't call freeze queue in
 elevator_switch() and elevator_disable()
Message-ID: <20250421123456.GC24038@lst.de>
References: <20250418163708.442085-1-ming.lei@redhat.com> <20250418163708.442085-4-ming.lei@redhat.com>
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User-Agent: Mutt/1.5.17 (2007-11-01)

On Sat, Apr 19, 2025 at 12:36:44AM +0800, Ming Lei wrote:
> Both elevator_switch() and elevator_disable() are called from sysfs
> store and updating nr_hw_queue code paths only.

I don't understand this sentence.  What does
"and updating nr_hw_queue code paths only" mean?