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nfit: disable userspace initiated ars during scrub

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While the nfit driver is issuing address range scrub commands and
reaping the results do not permit an ars_start command issued from
userspace.  The scrub thread assumes that all ars completions are for
scrubs initiated by platform firmware at boot, or by the nfit driver.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2016-02-22 21:50:31 -08:00
parent 1cf03c00e7
commit 87bf572e19
3 changed files with 38 additions and 5 deletions
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2
include/linux/libnvdimm.h
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@ -72,6 +72,8 @@ struct nvdimm_bus_descriptor {
char *provider_name;
ndctl_fn ndctl;
int (*flush_probe)(struct nvdimm_bus_descriptor *nd_desc);
int (*clear_to_send)(struct nvdimm_bus_descriptor *nd_desc,
struct nvdimm *nvdimm, unsigned int cmd);
};
struct nd_cmd_desc {