libnvdimm, label: add v1.2 interleave-set-cookie algorithm
The interleave-set-cookie algorithm is extended to incorporate all the
same components that are used to generate an nvdimm unique-id. For
backwards compatibility we still maintain the old v1.1 definition.
Reported-by: Nicholas Moulin <nicholas.w.moulin@intel.com>
Reported-by: Kaushik Kanetkar <kaushik.a.kanetkar@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 2f9dfbd..51f304f 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -1698,10 +1698,11 @@ static int select_pmem_id(struct nd_region *nd_region, u8 *pmem_id)
* @nd_label: target pmem namespace label to evaluate
*/
struct device *create_namespace_pmem(struct nd_region *nd_region,
+ struct nd_namespace_index *nsindex,
struct nd_namespace_label *nd_label)
{
+ u64 cookie = nd_region_interleave_set_cookie(nd_region, nsindex);
u64 altcookie = nd_region_interleave_set_altcookie(nd_region);
- u64 cookie = nd_region_interleave_set_cookie(nd_region);
struct nd_label_ent *label_ent;
struct nd_namespace_pmem *nspm;
struct nd_mapping *nd_mapping;
@@ -2108,7 +2109,11 @@ static struct device **scan_labels(struct nd_region *nd_region)
goto err;
devs[count++] = dev;
} else {
- dev = create_namespace_pmem(nd_region, nd_label);
+ struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);
+ struct nd_namespace_index *nsindex;
+
+ nsindex = to_namespace_index(ndd, ndd->ns_current);
+ dev = create_namespace_pmem(nd_region, nsindex, nd_label);
if (IS_ERR(dev)) {
switch (PTR_ERR(dev)) {
case -EAGAIN: