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Message-ID: <147585836894.22349.11287745776727706515.stgit@dwillia2-desk3.amr.corp.intel.com>
Date: Fri, 07 Oct 2016 09:39:29 -0700
From: Dan Williams <dan.j.williams@...el.com>
To: linux-nvdimm@...ts.01.org
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 09/14] 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@...el.com>
---
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;
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