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

From: Christoph Hellwig
Date: Fri Mar 13 2020 - 07:09:18 EST


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@xxxxxx>
> Signed-off-by: Someswarudu Sangaraju <ssomesh@xxxxxxxxxx>
> Signed-off-by: Balbir Singh <sblbir@xxxxxxxxxx>
> Reviewed-by: Bob Liu <bob.liu@xxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>