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Diffstat (limited to 'drivers/nvdimm/region_devs.c')
-rw-r--r--drivers/nvdimm/region_devs.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index 8de5a04644a1..24abceda986a 100644
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -1000,17 +1000,20 @@ EXPORT_SYMBOL_GPL(nvdimm_flush);
*/
int nvdimm_has_flush(struct nd_region *nd_region)
{
- struct nd_region_data *ndrd = dev_get_drvdata(&nd_region->dev);
int i;
/* no nvdimm == flushing capability unknown */
if (nd_region->ndr_mappings == 0)
return -ENXIO;
- for (i = 0; i < nd_region->ndr_mappings; i++)
- /* flush hints present, flushing required */
- if (ndrd_get_flush_wpq(ndrd, i, 0))
+ for (i = 0; i < nd_region->ndr_mappings; i++) {
+ struct nd_mapping *nd_mapping = &nd_region->mapping[i];
+ struct nvdimm *nvdimm = nd_mapping->nvdimm;
+
+ /* flush hints present / available */
+ if (nvdimm->num_flush)
return 1;
+ }
/*
* The platform defines dimm devices without hints, assume