[ Upstream commit 73a1a2298f3e9df24cea7a9aab412ba9470f6159 ]
The bio based drivers only require the request_queue's nr_zones is set,
so set this field in the head if the namespace path is zoned.
Fixes: 240e6ee272 ("nvme: support for zoned namespaces")
Reported-by: Minwoo Im <minwoo.im.dev@gmail.com>
Cc: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>