libnvdimm: check and clear poison before writing to pmem

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We need to clear any poison when we are writing to pmem. The granularity
will be sector size. If it's less then we can't do anything about it
barring corruption.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
[djbw: fixup 0-length write request to succeed]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dave Jiang 2016-11-11 12:37:36 -07:00 • committed by Dan Williams

parent dafb104874

commit 82bf1037f2

1 changed files with 26 additions and 4 deletions

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drivers/nvdimm/claim.c

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