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authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2019-09-05 18:46:01 +0300
committerDan Williams <dan.j.williams@intel.com>2019-09-06 02:11:14 +0300
commit047e0eff1f150220d615c35c36af225f3e1ed057 (patch)
tree6653fe86108ad22521742799dfb05d7fbb849896 /drivers/nvdimm
parentedbb52c24441ab5203b969eca759483cb533f36d (diff)
downloadlinux-047e0eff1f150220d615c35c36af225f3e1ed057.tar.xz
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>
Diffstat (limited to 'drivers/nvdimm')
-rw-r--r--drivers/nvdimm/label.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
index 73e197babc2f..47a4828b8b31 100644
--- a/drivers/nvdimm/label.c
+++ b/drivers/nvdimm/label.c
@@ -353,11 +353,6 @@ static bool slot_valid(struct nvdimm_drvdata *ndd,
if (slot != __le32_to_cpu(nd_label->slot))
return false;
- /* check that DPA allocations are page aligned */
- if ((__le64_to_cpu(nd_label->dpa)
- | __le64_to_cpu(nd_label->rawsize)) % SZ_4K)
- return false;
-
/* check checksum */
if (namespace_label_has(ndd, checksum)) {
u64 sum, sum_save;