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/openbmc/linux/drivers/nvdimm/ |
H A D | bus.c | 1e8b8d96 Fri Sep 09 11:10:08 CDT 2016 Dave Jiang <dave.jiang@intel.com> libnvdimm: allow legacy (e820) pmem region to clear bad blocks
Bad blocks can be injected via /sys/block/pmemN/badblocks. In a situation where legacy pmem is being used or a pmem region created by using memmap kernel parameter, the injected bad blocks are not cleared due to nvdimm_clear_poison() failing from lack of ndctl function pointer. In this case we need to just return as handled and allow the bad blocks to be cleared rather than fail.
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 1e8b8d96 Fri Sep 09 11:10:08 CDT 2016 Dave Jiang <dave.jiang@intel.com> libnvdimm: allow legacy (e820) pmem region to clear bad blocks Bad blocks can be injected via /sys/block/pmemN/badblocks. In a situation where legacy pmem is being used or a pmem region created by using memmap kernel parameter, the injected bad blocks are not cleared due to nvdimm_clear_poison() failing from lack of ndctl function pointer. In this case we need to just return as handled and allow the bad blocks to be cleared rather than fail. Reviewed-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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