From 012207334a26727369b2668716d84e55af1f1d22 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Wed, 5 Oct 2016 09:09:44 -0700 Subject: [PATCH] libnvdimm, namespace: expand pmem device naming scheme for multi-pmem pmem devices are currently named /dev/pmem. Preserve the naming of the 0th device, but add a "." for other devices. Signed-off-by: Dan Williams --- drivers/nvdimm/namespace_devs.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index f0536c2789e9..132c5b8b5366 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -173,7 +173,21 @@ const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns, suffix = "s"; if (is_namespace_pmem(&ndns->dev) || is_namespace_io(&ndns->dev)) { - sprintf(name, "pmem%d%s", nd_region->id, suffix ? suffix : ""); + int nsidx = 0; + + if (is_namespace_pmem(&ndns->dev)) { + struct nd_namespace_pmem *nspm; + + nspm = to_nd_namespace_pmem(&ndns->dev); + nsidx = nspm->id; + } + + if (nsidx) + sprintf(name, "pmem%d.%d%s", nd_region->id, nsidx, + suffix ? suffix : ""); + else + sprintf(name, "pmem%d%s", nd_region->id, + suffix ? suffix : ""); } else if (is_namespace_blk(&ndns->dev)) { struct nd_namespace_blk *nsblk;