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authorDan Williams <dan.j.williams@intel.com>2016-10-05 19:09:44 +0300
committerDan Williams <dan.j.williams@intel.com>2016-10-07 19:22:53 +0300
commit012207334a26727369b2668716d84e55af1f1d22 (patch)
treeb11eddf4dadf239e7ebc14df24b9811d9d19e5d3 /drivers/nvdimm/namespace_devs.c
parenta1f3e4d6a0c322eb3e7fdfcc9facdcdf19130434 (diff)
downloadlinux-012207334a26727369b2668716d84e55af1f1d22.tar.xz
libnvdimm, namespace: expand pmem device naming scheme for multi-pmem
pmem devices are currently named /dev/pmem<region-index>. Preserve the naming of the 0th device, but add a ".<namespace-index>" for other devices. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/nvdimm/namespace_devs.c')
-rw-r--r--drivers/nvdimm/namespace_devs.c16
1 files changed, 15 insertions, 1 deletions
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;