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Commit 9c412428 authored by Dan Williams's avatar Dan Williams
Browse files

libnvdimm: fix mode determination for e820 devices 



Correctly display "safe" mode when a btt is established on a e820/memmap
defined pmem namespace.

Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 92e963f5

drivers/nvdimm/namespace_devs.c

+5 −3
Original line number Diff line number Diff line
@@ -1277,10 +1277,12 @@ static ssize_t mode_show(struct device *dev, 


	device_lock(dev);

	claim = ndns->claim;

	if (pmem_should_map_pages(dev) || (claim && is_nd_pfn(claim)))

		mode = "memory";

	else if (claim && is_nd_btt(claim))

	if (claim && is_nd_btt(claim))

		mode = "safe";

	else if (claim && is_nd_pfn(claim))

		mode = "memory";

	else if (!claim && pmem_should_map_pages(dev))

		mode = "memory";

	else

		mode = "raw";

	rc = sprintf(buf, "%s\n", mode);