lightnvm: do no update csecs and sos on 1.2

1.2 devices exposes their data and metadata size through the separate
identify command. Make sure that the NVMe LBA format does not override
these values.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 7d0a4d3b0a4888d20e6b8801e66d21a36dfa2478..a4f3b263cd6c60ee0a77498fdf590ee95d5b8f8b 100644 (file)
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -977,6 +977,9 @@ void nvme_nvm_update_nvm_info(struct nvme_ns *ns)
        struct nvm_dev *ndev = ns->ndev;
        struct nvm_geo *geo = &ndev->geo;
 
+       if (geo->version == NVM_OCSSD_SPEC_12)
+               return;
+
        geo->csecs = 1 << ns->lba_shift;
        geo->sos = ns->ms;
 }