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[GIT,PULL,42/45] lightnvm: do no update csecs and sos on 1.2

Message ID 20181009111215.7653-43-mb@lightnvm.io (mailing list archive)
State New, archived
Headers show
Series lightnvm updates for 4.20. | expand

Commit Message

Matias Bjorling Oct. 9, 2018, 11:12 a.m. UTC 
From: Javier González <javier@javigon.com>

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>
---
 drivers/nvme/host/lightnvm.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 7d0a4d3b0a48..a4f3b263cd6c 100644
--- 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;
 }