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nvme-multipath: set nr_zones for zoned namespaces

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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>
This commit is contained in:
Keith Busch 2021-02-05 11:50:02 -08:00 committed by Christoph Hellwig
parent 0fbcfb089a
commit 73a1a2298f
1 changed files with 4 additions and 0 deletions
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4
drivers/nvme/host/multipath.c
View file

@ -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)