[PATCH 02/13] nvme-multipath: add error handling support for add_disk()

[Chaitanya Kulkarni]

On 10/15/21 16:52, Luis Chamberlain wrote:
> We never checked for errors on add_disk() as this function
> returned void. Now that this is fixed, use the shiny new
> error handling.
> 
> Since we now can tell for sure when a disk was added, move
> setting the bit NVME_NSHEAD_DISK_LIVE only when we did
> add the disk successfully.
> 
> Nothing to do here as the cleanup is done elsewhere. We take
> care and use test_and_set_bit() because it is protects against
> two nvme paths simultaneously calling device_add_disk() on the
> same namespace head.
> 
> Signed-off-by: Luis Chamberlain <mcgrof at kernel.org>


Looks good.

Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>