From: Keith Busch <kbu...@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....@gmail.com>
Cc: Damien Le Moal <damien.lem...@wdc.com>
Signed-off-by: Keith Busch <kbu...@kernel.org>
Signed-off-by: Christoph Hellwig <h...@lst.de>
Signed-off-by: Sasha Levin <sas...@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 282b7a4ea9a9a..fdfc18a222cc3 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -677,6 +677,10 @@ 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)
--
2.27.0
