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Commit 01220733 authored by Dan Williams's avatar Dan Williams
Browse files

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: default avatarDan Williams <dan.j.williams@intel.com>
parent a1f3e4d6

drivers/nvdimm/namespace_devs.c

+15 −1
Original line number Diff line number Diff line
@@ -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;