Currently, namespace could be initialized only with priorities with the same attributes. Add support to initialize namespace with priorities with different attributes(e.g. different number of levels). Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>