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[PATCH v2 3/5] hw/nvme: do not auto-generate uuid


From: Klaus Jensen
Subject: [PATCH v2 3/5] hw/nvme: do not auto-generate uuid
Date: Fri, 29 Apr 2022 10:33:34 +0200

From: Klaus Jensen <k.jensen@samsung.com>

Do not default to generate an UUID for namespaces if it is not
explicitly specified.

This is a technically a breaking change in behavior. However, since the
UUID changes on every VM launch, it is not spec compliant and is of
little use since the UUID cannot be used reliably anyway and the
behavior prior to this patch must be considered buggy.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/nvme/ns.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c
index 06a04131f192..1b9c9d11567f 100644
--- a/hw/nvme/ns.c
+++ b/hw/nvme/ns.c
@@ -614,7 +614,7 @@ static Property nvme_ns_props[] = {
     DEFINE_PROP_BOOL("detached", NvmeNamespace, params.detached, false),
     DEFINE_PROP_BOOL("shared", NvmeNamespace, params.shared, true),
     DEFINE_PROP_UINT32("nsid", NvmeNamespace, params.nsid, 0),
-    DEFINE_PROP_UUID("uuid", NvmeNamespace, params.uuid),
+    DEFINE_PROP_UUID_NODEFAULT("uuid", NvmeNamespace, params.uuid),
     DEFINE_PROP_UINT64("eui64", NvmeNamespace, params.eui64, 0),
     DEFINE_PROP_UINT16("ms", NvmeNamespace, params.ms, 0),
     DEFINE_PROP_UINT8("mset", NvmeNamespace, params.mset, 0),
-- 
2.35.1




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