[PATCH 4/4] blk-mq: use blk_queue_enter/exit to protect debugfs file creation

[Christoph Hellwig]

On Mon, Feb 09, 2026 at 04:29:53PM +0800, Yu Kuai wrote:
> +	/*
> +	 * Avoid creating debugfs files while the queue is frozen, wait for
> +	 * the queue to be unfrozen and prevent new freeze while creating

I'd say "prevent concurrent freezes" here, but I'm not a native
speaker either.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch at lst.de>