--- subversion/libsvn_fs_fs/util.c.orig	2019-06-08 10:24:37 +0000
+++ subversion/libsvn_fs_fs/util.c	2019-06-08 10:30:57 +0000
@@ -650,7 +650,11 @@
           SVN_ERR(svn_io_file_close(file, pool));
         }
 
-#ifdef SVN_ON_POSIX
+#ifdef SVN_ON_POSIX && !defined(_AIX)
+
+/* fsync called on a directory returns errno=EBADF which makes svn_io_flush_to_disk fail in AIX.
+   Hence, in AIX it is ignored. */
+
       if (flush_to_disk)
         {
           /* On POSIX, the file name is stored in the file's directory entry.
--- subversion/libsvn_subr/io.c.orig	2019-06-08 10:29:19 +0000
+++ subversion/libsvn_subr/io.c	2019-06-08 10:30:35 +0000
@@ -4293,7 +4293,11 @@
                               svn_dirent_local_style(from_path, pool),
                               svn_dirent_local_style(to_path, pool));
 
-#if defined(SVN_ON_POSIX)
+#if defined(SVN_ON_POSIX) && !defined(_AIX)
+
+/* fsync called on a directory returns errno=EBADF which makes svn_io_flush_to_disk fail in AIX.
+Hence, in AIX it is ignored. */
+
   if (flush_to_disk)
     {
       /* On POSIX, the file name is stored in the file's directory entry.