1 /* 2 * CDDL HEADER START 3 * 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 7 * with the License. 8 * 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. 13 * 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] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include_next <sys/mount.h> 28 29 #ifndef _LIBSPL_SYS_MOUNT_H 30 #define _LIBSPL_SYS_MOUNT_H 31 32 #include <assert.h> 33 #include <string.h> 34 #include <stdlib.h> 35 36 /* 37 * Some old glibc headers don't define BLKGETSIZE64 38 * and we don't want to require the kernel headers 39 */ 40 #if !defined(BLKGETSIZE64) 41 #define BLKGETSIZE64 _IOR(0x12, 114, size_t) 42 #endif 43 44 /* 45 * Some old glibc headers don't correctly define MS_DIRSYNC and 46 * instead use the enum name S_WRITE. When using these older 47 * headers define MS_DIRSYNC to be S_WRITE. 48 */ 49 #if !defined(MS_DIRSYNC) 50 #define MS_DIRSYNC S_WRITE 51 #endif 52 53 /* 54 * Some old glibc headers don't correctly define MS_POSIXACL and 55 * instead leave it undefined. When using these older headers define 56 * MS_POSIXACL to the reserved value of (1<<16). 57 */ 58 #if !defined(MS_POSIXACL) 59 #define MS_POSIXACL (1<<16) 60 #endif 61 62 #define MS_USERS (MS_NOEXEC|MS_NOSUID|MS_NODEV) 63 #define MS_OWNER (MS_NOSUID|MS_NODEV) 64 #define MS_GROUP (MS_NOSUID|MS_NODEV) 65 #define MS_COMMENT 0 66 67 /* 68 * Older glibc <sys/mount.h> headers did not define all the available 69 * umount2(2) flags. Both MNT_FORCE and MNT_DETACH are supported in the 70 * kernel back to 2.4.11 so we define them correctly if they are missing. 71 */ 72 #ifdef MNT_FORCE 73 #define MS_FORCE MNT_FORCE 74 #else 75 #define MS_FORCE 0x00000001 76 #endif /* MNT_FORCE */ 77 78 #ifdef MNT_DETACH 79 #define MS_DETACH MNT_DETACH 80 #else 81 #define MS_DETACH 0x00000002 82 #endif /* MNT_DETACH */ 83 84 /* 85 * Overlay mount is default in Linux, but for solaris/zfs 86 * compatibility, MS_OVERLAY is defined to explicitly have the user 87 * provide a flag (-O) to mount over a non empty directory. 88 */ 89 #define MS_OVERLAY 0x00000004 90 91 /* 92 * MS_CRYPT indicates that encryption keys should be loaded if they are not 93 * already available. This is not defined in glibc, but it is never seen by 94 * the kernel so it will not cause any problems. 95 */ 96 #define MS_CRYPT 0x00000008 97 98 #endif /* _LIBSPL_SYS_MOUNT_H */ 99