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| author | Dan Williams <dan.j.williams@intel.com> | 2016-01-23 15:34:10 -0800 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-01-26 09:40:32 -0800 |
| commit | 9c41242817f4b6d908886c0fdb036d9246c50630 (patch) | |
| tree | 670527d47e04acfd29c587d968eb9c9617d192dd /drivers/nvdimm/namespace_devs.c | |
| parent | 92e963f50fc74041b5e9e744c330dca48e04f08d (diff) | |
| download | lwn-9c41242817f4b6d908886c0fdb036d9246c50630.tar.gz lwn-9c41242817f4b6d908886c0fdb036d9246c50630.zip | |
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: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/nvdimm/namespace_devs.c')
| -rw-r--r-- | drivers/nvdimm/namespace_devs.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 8ebfcaae3f5a..9edf7eb7d17c 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -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); |