Add sys/mount.h header

lib/libspl/include/sys/mount.h

@@ -0,0 +1,50 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include_next <sys/mount.h>
+
+#ifndef _SOL_SYS_MOUNT_H
+#define _SOL_SYS_MOUNT_H
+
+#include <sys/mntent.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+
+/*
+ * Some old glibc headers don't define BLKGETSIZE64
+ * and we don't want to require the kernel headers
+ */
+#if !defined(BLKGETSIZE64)
+#define BLKGETSIZE64		_IOR(0x12, 114, size_t)
+#endif
+
+#define MS_FORCE		MNT_FORCE
+#define MS_OVERLAY		32768
+#define MS_NOMNTTAB		0         /* Not supported in Linux */
+#define MS_OPTIONSTR		0         /* Not necessary in Linux */
+
+#endif /* _SOL_SYS_MOUNT_H */