Re: [resend v1 4/5] drivers/nvme/host/core.c: Convert to use disk_set_capacity

[hch@xxxxxx]

On Mon, Jan 06, 2020 at 12:46:26AM +0000, Singh, Balbir wrote:
> On Sat, 2020-01-04 at 22:27 +0000, Chaitanya Kulkarni wrote:
> > Quick question here if user executes nvme ns-rescan /dev/nvme1
> > will following code result in triggering uevent(s) for
> > the namespace(s( for which there is no change in the size ?
> > 
> > If so is that an expected behavior ?
> > 
> 
> My old code had a check to see if old_capacity != new_capacity as well.
> I can redo those bits if needed.
> 
> The expected behaviour is not clear, but the functionality is not broken, user
> space should be able to deal with a resize event where the previous capacity
> == new capacity IMHO.

I think it makes sense to not bother with a notification unless there
is an actual change.