105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _LIBSPL_SYS_MOUNT_H
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#define _LIBSPL_SYS_MOUNT_H
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#undef _SYS_MOUNT_H_
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#include_next <sys/mount.h>
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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#if !defined(BLKGETSIZE64)
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#define BLKGETSIZE64 DIOCGMEDIASIZE
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#endif
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/*
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* Some old glibc headers don't correctly define MS_DIRSYNC and
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* instead use the enum name S_WRITE. When using these older
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* headers define MS_DIRSYNC to be S_WRITE.
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*/
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#if !defined(MS_DIRSYNC)
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#define MS_DIRSYNC S_WRITE
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#endif
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/*
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* Some old glibc headers don't correctly define MS_POSIXACL and
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* instead leave it undefined. When using these older headers define
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* MS_POSIXACL to the reserved value of (1<<16).
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*/
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#if !defined(MS_POSIXACL)
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#define MS_POSIXACL (1<<16)
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#endif
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#define MS_NOSUID MNT_NOSUID
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#define MS_NOEXEC MNT_NOEXEC
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#define MS_NODEV 0
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#define S_WRITE 0
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#define MS_BIND 0
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#define MS_REMOUNT 0
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#define MS_SYNCHRONOUS MNT_SYNCHRONOUS
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#define MS_USERS (MS_NOEXEC|MS_NOSUID|MS_NODEV)
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#define MS_OWNER (MS_NOSUID|MS_NODEV)
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#define MS_GROUP (MS_NOSUID|MS_NODEV)
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#define MS_COMMENT 0
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/*
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* Older glibc <sys/mount.h> headers did not define all the available
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* umount2(2) flags. Both MNT_FORCE and MNT_DETACH are supported in the
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* kernel back to 2.4.11 so we define them correctly if they are missing.
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*/
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#ifdef MNT_FORCE
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#define MS_FORCE MNT_FORCE
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#else
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#define MS_FORCE 0x00000001
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#endif /* MNT_FORCE */
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#ifdef MNT_DETACH
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#define MS_DETACH MNT_DETACH
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#else
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#define MS_DETACH 0x00000002
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#endif /* MNT_DETACH */
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/*
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* Overlay mount is default in Linux, but for solaris/zfs
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* compatibility, MS_OVERLAY is defined to explicitly have the user
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* provide a flag (-O) to mount over a non empty directory.
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*/
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#define MS_OVERLAY 0x00000004
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/*
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* MS_CRYPT indicates that encryption keys should be loaded if they are not
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* already available. This is not defined in glibc, but it is never seen by
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* the kernel so it will not cause any problems.
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*/
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#define MS_CRYPT 0x00000008
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#endif /* _LIBSPL_SYS_MOUNT_H */
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