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From: Christoph Hellwig <hch@infradead.org>
To: Xie Yongji <xieyongji@bytedance.com>
Cc: axboe@kernel.dk, josef@toxicpanda.com, hch@infradead.org,
	linux-block@vger.kernel.org, nbd@other.debian.org,
	yixingchen@bytedance.com
Subject: Re: [PATCH 3/3] nbd: Use invalidate_gendisk() helper on disconnect
Date: Mon, 13 Sep 2021 13:41:56 +0100	[thread overview]
Message-ID: <YT9HFOTnBFWMUE74@infradead.org> (raw)
In-Reply-To: <20210913112557.191-4-xieyongji@bytedance.com>

On Mon, Sep 13, 2021 at 07:25:57PM +0800, Xie Yongji wrote:
> +		invalidate_gendisk(nbd->disk);
> +		if (nbd->config->bytesize)
> +			kobject_uevent(&nbd_to_dev(nbd)->kobj, KOBJ_CHANGE);

I wonder if the invalidate helper should just use
set_capacity_and_notify to take care of the notification in the proper
way.  This adds an uevent to loop, and adds the RESIZE=1 argument to
nbd, but it feels like the right thing to do.

  reply	other threads:[~2021-09-13 12:44 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-13 11:25 [PATCH 0/3] Add invalidate_gendisk() helper for drivers to invalidate the gendisk Xie Yongji
2021-09-13 11:25 ` [PATCH 1/3] block: Add invalidate_gendisk() helper " Xie Yongji
2021-09-13 12:31   ` Christoph Hellwig
2021-09-13 13:16     ` Yongji Xie
2021-09-13 11:25 ` [PATCH 2/3] loop: Use invalidate_gendisk() helper to invalidate gendisk Xie Yongji
2021-09-13 12:34   ` Christoph Hellwig
2021-09-13 13:14     ` Yongji Xie
2021-09-13 11:25 ` [PATCH 3/3] nbd: Use invalidate_gendisk() helper on disconnect Xie Yongji
2021-09-13 12:41   ` Christoph Hellwig [this message]
2021-09-13 13:04     ` Yongji Xie
2021-09-13 15:32       ` Christoph Hellwig

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