LU-13163 mdc: new kernel function xa_is_value()

[fs/lustre-release.git] / lustre / include / lustre_compat.h

diff --git a/lustre/include/lustre_compat.h b/lustre/include/lustre_compat.h
index 73562da..3ebef7a 100644 (file)
--- a/lustre/include/lustre_compat.h
+++ b/lustre/include/lustre_compat.h
@@ -330,6 +330,13 @@ static inline int radix_tree_exceptional_entry(void *arg)
 }
 #endif
 
 }
 #endif
 

+#ifndef HAVE_XA_IS_VALUE
+static inline bool xa_is_value(void *entry)
+{
+       return radix_tree_exceptional_entry(entry);
+}
+#endif
+

 #ifndef HAVE_TRUNCATE_INODE_PAGES_FINAL
 static inline void truncate_inode_pages_final(struct address_space *map)
 {
 #ifndef HAVE_TRUNCATE_INODE_PAGES_FINAL
 static inline void truncate_inode_pages_final(struct address_space *map)
 {