Messages in this thread Patch in this message | | | From | Marcin Dziegielewski <> | Subject | [PATCH] nvme: lightnvm: expose OC devices as zero size to OS | Date | Thu, 14 Mar 2019 14:41:49 +0100 |
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Open channel devices are not able to handle traditional IO requests addressed by LBA, so following current approach to exposing special nvme devices as zero size (e.g. with namespace formatted to use metadata) also open channel devices should be exposed as zero size to OS.
Signed-off-by: Marcin Dziegielewski <marcin.dziegielewski@intel.com> --- drivers/nvme/host/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 07bf2bf..52cd5c8 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1606,7 +1606,8 @@ static void nvme_update_disk_info(struct gendisk *disk, if (ns->ms && !ns->ext && (ns->ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)) nvme_init_integrity(disk, ns->ms, ns->pi_type); - if (ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk)) + if ((ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk)) || + ns->ndev) capacity = 0; set_capacity(disk, capacity); -- 1.8.3.1
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