LU-5205 mdc: Add config check for Xeon Phi build

[fs/lustre-release.git] / lustre / include / linux / lustre_compat25.h

diff --git a/lustre/include/linux/lustre_compat25.h b/lustre/include/linux/lustre_compat25.h
index 3dac0d1..4b6fddf 100644 (file)
--- a/lustre/include/linux/lustre_compat25.h
+++ b/lustre/include/linux/lustre_compat25.h
@@ -352,4 +352,11 @@ static inline struct dentry *d_make_root(struct inode *root)
 #define ll_vfs_unlink(a, b) vfs_unlink(a, b)
 #endif
 
+#ifndef HAVE_RADIX_EXCEPTION_ENTRY
+static inline int radix_tree_exceptional_entry(void *arg)
+{
+       return 0;
+}
+#endif
+
 #endif /* _COMPAT25_H */