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Commit a8f72022 authored by Dan Williams's avatar Dan Williams
Browse files

libnvdimm: keep region data alive over namespace removal 



nd_region device driver data will be used in the namespace i/o path.
Re-order nd_region_remove() to ensure this data stays live across
namespace device removal

Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 85d3fa02

drivers/nvdimm/region.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -82,6 +82,8 @@ static int nd_region_remove(struct device *dev) 
{

{

	struct nd_region *nd_region = to_nd_region(dev);

	struct nd_region *nd_region = to_nd_region(dev);





	device_for_each_child(dev, NULL, child_unregister);



	/* flush attribute readers and disable */

	/* flush attribute readers and disable */

	nvdimm_bus_lock(dev);

	nvdimm_bus_lock(dev);

	nd_region->ns_seed = NULL;

	nd_region->ns_seed = NULL;
@@ -91,7 +93,6 @@ static int nd_region_remove(struct device *dev) 
	dev_set_drvdata(dev, NULL);

	dev_set_drvdata(dev, NULL);

	nvdimm_bus_unlock(dev);

	nvdimm_bus_unlock(dev);





	device_for_each_child(dev, NULL, child_unregister);

	return 0;

	return 0;

}

}