Commit 91131dbd authored Jun 01, 2016 by Dan Williams

libnvdimm, pmem: use nvdimm_flush() for namespace I/O writes



nsio_rw_bytes() is used to write info block metadata to the namespace,
so it should trigger a flush after every write.  Replace wmb_pmem() with
nvdimm_flush() in this path.

Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

parent 14df6a4e

drivers/nvdimm/claim.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -240,7 +240,7 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns,
		return memcpy_from_pmem(buf, nsio->addr + offset, size);
		} else {
		memcpy_to_pmem(nsio->addr + offset, buf, size);
		wmb_pmem();
		nvdimm_flush(to_nd_region(ndns->dev.parent));
		}

		return 0;