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Subject[PATCH] libnvdimm: change disk name of virtio pmem disk
Date
This patch adds prefix 'v' in disk name for virtio pmem.
This differentiates virtio-pmem disks from the pmem disks.

Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
---
drivers/nvdimm/namespace_devs.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index a16e52251a30..8e5d29266fb0 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -182,8 +182,12 @@ const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns,
char *name)
{
struct nd_region *nd_region = to_nd_region(ndns->dev.parent);
+ const char *prefix = "";
const char *suffix = NULL;

+ if (!is_nvdimm_sync(nd_region))
+ prefix = "v";
+
if (ndns->claim && is_nd_btt(ndns->claim))
suffix = "s";

@@ -201,7 +205,7 @@ const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns,
sprintf(name, "pmem%d.%d%s", nd_region->id, nsidx,
suffix ? suffix : "");
else
- sprintf(name, "pmem%d%s", nd_region->id,
+ sprintf(name, "%spmem%d%s", prefix, nd_region->id,
suffix ? suffix : "");
} else if (is_namespace_blk(&ndns->dev)) {
struct nd_namespace_blk *nsblk;
--
2.20.1
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