1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 37c66d1254b5..b8b7c51389fe 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -116,6 +116,7 @@ struct io_restrictions {
         unsigned short          hardsect_size;
         unsigned int            max_segment_size;
         unsigned long           seg_boundary_mask;
+        unsigned long           bounce_pfn;
         unsigned char           no_cluster; /* inverted so that 0 is default */
 };