[PATCH AUTOSEL 4.19 173/209] lightnvm: do no update csecs and sos on 1.2

* [PATCH AUTOSEL 4.19 173/209] lightnvm: do no update csecs and sos on 1.2
       [not found] <20191113015025.9685-1-sashal@kernel.org>
@ 2019-11-13  1:49 ` Sasha Levin
  0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2019-11-13  1:49 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Jens Axboe, Sasha Levin, Javier González, linux-nvme,
	Javier González, Matias Bjørling

From: Javier González <javier@javigon.com>

[ Upstream commit 6fd05cad5ee1290b276dd8ed90a1e019b1fa577a ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/host/lightnvm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 6fe5923c95d4a..a69553e75f38e 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -968,6 +968,9 @@ 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;
 }
-- 
2.20.1


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