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libnvdimm: add mechanism to publish badblocks at the region level

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badblocks sysfs file will be export at region level. When nvdimm event
notifier happens for NVDIMM_REVALIATE_POISON, the badblocks in the
region will be updated.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dave Jiang
2017-04-07 15:33:20 -07:00
committed by Dan Williams
parent 3c87f37269
commit 6a6bef9042
3 changed files with 44 additions and 0 deletions
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drivers/nvdimm/nd.h
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@@ -154,6 +154,7 @@ struct nd_region {
u64 ndr_start;
int id, num_lanes, ro, numa_node;
void *provider_data;
struct badblocks bb;
struct nd_interleave_set *nd_set;
struct nd_percpu_lane __percpu *lane;
struct nd_mapping mapping[0];