Re: [PATCH] libnvdimm: change disk name of virtio pmem disk

From: Pankaj Gupta
Date: Tue Aug 13 2019 - 00:55:44 EST



Ping.

>
> 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@xxxxxxxxxx>
> ---
> 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
>
>