Re: [PATCH] nvme:fix the NVME_ID_NS_NVM_STS_MASK definition

From: Kanchan Joshi
Date: Tue Jul 04 2023 - 08:19:01 EST


On Fri, Jun 23, 2023 at 06:08:05PM +0530, Ankit Kumar wrote:
As per NVMe command set specification 1.0c Storage tag size is 7 bits
Fixes: 4020aad85c67 ("nvme: add support for enhanced metadata")

Signed-off-by: Ankit Kumar <ankit.kumar@xxxxxxxxxxx>
---
include/linux/nvme.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 779507ac750b..2819d6c3a6b5 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -473,7 +473,7 @@ struct nvme_id_ns_nvm {
};

enum {
- NVME_ID_NS_NVM_STS_MASK = 0x3f,
+ NVME_ID_NS_NVM_STS_MASK = 0x7f,

Right, 7 bits are needed there to speak the max possible value (i.e.,64).

Reviewed-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx>