1 files changed, 3 insertions, 0 deletions

diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index c8016cc9e7e6..bed0a0251389 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -36,6 +36,9 @@
 
 #define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset))
 
+/* computes tag checksum */
+u8 udf_tag_checksum(const tag *t);
+
 struct dentry;
 struct inode;
 struct task_struct;