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libnvdimm, namespace: allow multiple pmem-namespaces per region at scan time

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If label scanning finds multiple valid pmem namespaces allow them to be
surfaced rather than fail namespace scanning. Support for creating
multiple namespaces per region is saved for a later patch.

Note that this adds some new error messages to clarify which of the pmem
namespaces in the set are potentially impacted by invalid labels.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2016-10-06 23:13:15 -07:00
parent bd4cd745b3
commit 0e3b0d123c
2 changed files with 74 additions and 12 deletions
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2
include/linux/nd.h
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@@ -77,11 +77,13 @@ struct nd_namespace_io {
* @nsio: device and system physical address range to drive
* @alt_name: namespace name supplied in the dimm label
* @uuid: namespace name supplied in the dimm label
* @id: ida allocated id
*/
struct nd_namespace_pmem {
struct nd_namespace_io nsio;
char *alt_name;
u8 *uuid;
int id;
};
/**