1 files changed, 54 insertions, 0 deletions

diff --git a/lib/libc/sys/fstatfs.c b/lib/libc/sys/fstatfs.c
new file mode 100644
index 000000000000..71ee12dc0bfb
--- /dev/null
+++ b/lib/libc/sys/fstatfs.c
@@ -0,0 +1,54 @@
+/*-
+ * Copyright (c) 2017 M. Warner Losh <imp@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "namespace.h"
+#include <sys/param.h>
+#include <sys/syscall.h>
+#include "compat-ino64.h"
+#include <unistd.h>
+
+#include "libc_private.h"
+
+#undef fstatfs
+__weak_reference(_fstatfs, fstatfs);
+
+#pragma weak _fstatfs
+int
+_fstatfs(int fd, struct statfs *buf)
+{
+	struct freebsd11_statfs statfs11;
+	int rv;
+
+	if (__getosreldate() >= INO64_FIRST)
+		return (__sys_fstatfs(fd, buf));
+	rv = syscall(SYS_freebsd11_fstatfs, fd, &statfs11);
+	if (rv == 0)
+		__statfs11_to_statfs(&statfs11, buf);
+	return (rv);
+}