Partitions and end-to-end protection

[Dan Williams]

On Tue, Jul 14, 2015 at 11:15 AM, Christoph Hellwig <hch at infradead.org> wrote:
> On Tue, Jul 14, 2015 at 11:13:18AM -0700, Dan Williams wrote:
>> We got bit by this in the nvdimm enabling as well, it is mostly hidden
>> by the fact that sd triggers revalidate_disk() by default.
>
> But that's just revalidate_disk, which shouldn't be require but isn't
> too mad.  blkdev_reread_part and the setup work for it is a totally
> different league.

Agreed, something is wrong if we need to do bdget() in the driver.