--- Revision None
+++ Revision 343337616435
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/xattr.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+int main(int argc, char *argv[])
+{
+        int fd;
+
+        if (argc != 2) {
+                printf("Use: %s <path>\n", argv[0]);
+                return 1;
+        }
+
+        /*
+         * with O_WRONLY or O_RDWR, opening a directory always fails, even when passing
+         * O_DIRECTORY. Opening with O_RDONLY, without O_DIRECTORY succeeds for both
+         * regular files and directories.
+         */
+        fd = open(argv[1], O_WRONLY);
+        if (fd == -1) {
+                printf("open error %d: %s\n", errno, strerror(errno));
+        } else {
+                int e;
+
+                e = fsetxattr(fd, "user.x1", "abc", 3, 0);
+                printf("file open fd = %d, setxattr(fd) = %d, fsync(fd) = %d\n", fd, e, fsync(fd));
+                close(fd);
+        }
+        return 0;
+}
+