nfit, libnvdimm: fix interleave set cookie calculation

[mirror_ubuntu-zesty-kernel.git] / include / linux / libnvdimm.h

diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h
index 8458c5351e562e57ea1161fc5ab234d5e53a47bb..77e7af32543f698d0413286dc8702d7124bcf81b 100644 (file)
--- 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 {