1 files changed, 5 insertions, 0 deletions

diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index 27b5335730c9..c13875d669c0 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -61,6 +61,11 @@ struct udf_meta_data {
         __u32   s_bitmap_file_loc;
         __u32   s_alloc_unit_size;
         __u16   s_align_unit_size;
+        /*
+         * Partition Reference Number of the associated physical / sparable
+         * partition
+         */
+        __u16   s_phys_partition_ref;
         int     s_flags;
         struct inode *s_metadata_fe;
         struct inode *s_mirror_fe;