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-rw-r--r--include/linux/libnvdimm.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h
index 8458c5351e56..77e7af32543f 100644
--- a/include/linux/libnvdimm.h
+++ b/include/linux/libnvdimm.h
@@ -70,6 +70,8 @@ struct nd_cmd_desc {
struct nd_interleave_set {
u64 cookie;
+ /* compatibility with initial buggy Linux implementation */
+ u64 altcookie;
};
struct nd_mapping_desc {