4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 #include_next <sys/mount.h>
29 #ifndef _LIBSPL_SYS_MOUNT_H
30 #define _LIBSPL_SYS_MOUNT_H
32 #include <sys/mntent.h>
38 * Some old glibc headers don't define BLKGETSIZE64
39 * and we don't want to require the kernel headers
41 #if !defined(BLKGETSIZE64)
42 #define BLKGETSIZE64 _IOR(0x12, 114, size_t)
46 * Some old glibc headers don't correctly define MS_DIRSYNC and
47 * instead use the enum name S_WRITE. When using these older
48 * headers define MS_DIRSYNC to be S_WRITE.
50 #if !defined(MS_DIRSYNC)
51 #define MS_DIRSYNC S_WRITE
54 #define MS_USERS 0x40000000
55 #define MS_OWNER 0x10000000
56 #define MS_GROUP 0x08000000
57 #define MS_COMMENT 0x02000000
60 * Older glibc <sys/mount.h> headers did not define all the available
61 * umount2(2) flags. Both MNT_FORCE and MNT_DETACH are supported in the
62 * kernel back to 2.4.11 so we define them correctly if they are missing.
65 # define MS_FORCE MNT_FORCE
67 # define MS_FORCE 0x00000001
68 #endif /* MNT_FORCE */
71 # define MS_DETACH MNT_DETACH
73 # define MS_DETACH 0x00000002
74 #endif /* MNT_DETACH */
77 * Overlay mount is default in Linux, but for solaris/zfs
78 * compatibility, MS_OVERLAY is defined to explicitly have the user
79 * provide a flag (-O) to mount over a non empty directory.
81 #define MS_OVERLAY 0x00000004
83 #endif /* _LIBSPL_SYS_MOUNT_H */