libnvdimm, pmem: nvdimm_read_bytes() badblocks support

Support badblock checking in all the pmem read paths that do not go
through the block layer.  This protects info block reads (btt or pfn) as
well as data reads to a pmem namespace via a btt instance.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2016-01-04 23:31:24 -08:00
commit 710d69cc99