libnvdimm/label: Remove the dpa align check
There's no strict requirement why slot_valid() needs to check for page alignment and it would seem to actively hurt cross-page-size compatibility. Let's delete the check and rely on checksum validation. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Link: https://lore.kernel.org/r/20190905154603.10349-6-aneesh.kumar@linux.ibm.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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@ -353,11 +353,6 @@ static bool slot_valid(struct nvdimm_drvdata *ndd,
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if (slot != __le32_to_cpu(nd_label->slot))
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return false;
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/* check that DPA allocations are page aligned */
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if ((__le64_to_cpu(nd_label->dpa)
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| __le64_to_cpu(nd_label->rawsize)) % SZ_4K)
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return false;
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/* check checksum */
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if (namespace_label_has(ndd, checksum)) {
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u64 sum, sum_save;
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