From: Javier González <javier@javigon.com>
Date: Tue, 9 Oct 2018 11:12:12 +0000 (+0200)
Subject: lightnvm: do no update csecs and sos on 1.2
X-Git-Tag: v4.19.86~37
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cdf73455471adec2886e3ec884141ee5558f3c3b;p=thirdparty%2Fkernel%2Fstable.git

lightnvm: do no update csecs and sos on 1.2

[ 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>
---

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;
 }