linux-kernel - Re: [PATCH v3 1/5] block/genhd: Notify udev about capacity change

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Date:   Fri, 13 Mar 2020 12:09:13 +0100
From:   Christoph Hellwig <hch@....de>
To:     Balbir Singh <sblbir@...zon.com>
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-nvme@...ts.infradead.org, axboe@...nel.dk,
        Chaitanya.Kulkarni@....com, hch@....de,
        Someswarudu Sangaraju <ssomesh@...zon.com>
Subject: Re: [PATCH v3 1/5] block/genhd: Notify udev about capacity change

On Fri, Mar 13, 2020 at 05:30:05AM +0000, Balbir Singh wrote:
> Allow block/genhd to notify user space (via udev) about disk size changes
> using a new helper set_capacity_revalidate_and_notify(), which is a wrapper
> on top of set_capacity(). set_capacity_revalidate_and_notify() will only
> notify via udev if the current capacity or the target capacity is not zero
> and iff the capacity changes.
> 
> Suggested-by: Christoph Hellwig <hch@....de>
> Signed-off-by: Someswarudu Sangaraju <ssomesh@...zon.com>
> Signed-off-by: Balbir Singh <sblbir@...zon.com>
> Reviewed-by: Bob Liu <bob.liu@...cle.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>