From: Keith Busch kbusch@kernel.org
[ 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: 240e6ee272c07 ("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 --- drivers/nvme/host/multipath.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 292e535a385d4..e812a0d0fdb3d 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -676,6 +676,10 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id) if (blk_queue_stable_writes(ns->queue) && ns->head->disk) blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, ns->head->disk->queue); +#ifdef CONFIG_BLK_DEV_ZONED + if (blk_queue_is_zoned(ns->queue) && ns->head->disk) + ns->head->disk->queue->nr_zones = ns->queue->nr_zones; +#endif }
void nvme_mpath_remove_disk(struct nvme_ns_head *head)