projects / mirror_zfs.git / blame
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|---|---|---|
| a26baf28 BB |
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 | |
| d1d7e268 | 30 | #define _LIBSPL_SYS_MOUNT_H |
| a26baf28 BB |
31 | |
| 32 | #include <sys/mntent.h> | |
| 33 | #include <assert.h> | |
| 34 | #include <string.h> | |
| 35 | #include <stdlib.h> | |
| 36 | ||
| 37 | /* | |
| 38 | * Some old glibc headers don't define BLKGETSIZE64 | |
| 39 | * and we don't want to require the kernel headers | |
| 40 | */ | |
| 41 | #if !defined(BLKGETSIZE64) | |
| d1d7e268 | 42 | #define BLKGETSIZE64 _IOR(0x12, 114, size_t) |
| a26baf28 BB |
43 | #endif |
| 44 | ||
| afffb5cd BB |
45 | /* |
| 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. | |
| 49 | */ | |
| 50 | #if !defined(MS_DIRSYNC) | |
| d1d7e268 | 51 | #define MS_DIRSYNC S_WRITE |
| afffb5cd BB |
52 | #endif |
| 53 | ||
| a5f36651 | 54 | /* |
| 55 | * Some old glibc headers don't correctly define MS_POSIXACL and | |
| 56 | * instead leave it undefined. When using these older headers define | |
| 57 | * MS_POSIXACL to the reserved value of (1<<16). | |
| 58 | */ | |
| 59 | #if !defined(MS_POSIXACL) | |
| 60 | #define MS_POSIXACL (1<<16) | |
| 61 | #endif | |
| 62 | ||
| da29fe63 NB |
63 | #define MS_USERS (MS_NOEXEC|MS_NOSUID|MS_NODEV) |
| 64 | #define MS_OWNER (MS_NOSUID|MS_NODEV) | |
| 65 | #define MS_GROUP (MS_NOSUID|MS_NODEV) | |
| 66 | #define MS_COMMENT 0 | |
| 1073d746 BB |
67 | |
| 68 | /* | |
| 69 | * Older glibc <sys/mount.h> headers did not define all the available | |
| 70 | * umount2(2) flags. Both MNT_FORCE and MNT_DETACH are supported in the | |
| 71 | * kernel back to 2.4.11 so we define them correctly if they are missing. | |
| 72 | */ | |
| 73 | #ifdef MNT_FORCE | |
| d1d7e268 | 74 | #define MS_FORCE MNT_FORCE |
| 1073d746 | 75 | #else |
| d1d7e268 | 76 | #define MS_FORCE 0x00000001 |
| 1073d746 BB |
77 | #endif /* MNT_FORCE */ |
| 78 | ||
| 79 | #ifdef MNT_DETACH | |
| d1d7e268 | 80 | #define MS_DETACH MNT_DETACH |
| 1073d746 | 81 | #else |
| d1d7e268 | 82 | #define MS_DETACH 0x00000002 |
| 1073d746 | 83 | #endif /* MNT_DETACH */ |
| a26baf28 | 84 | |
| e18be9a6 SC |
85 | /* |
| 86 | * Overlay mount is default in Linux, but for solaris/zfs | |
| 87 | * compatibility, MS_OVERLAY is defined to explicitly have the user | |
| 88 | * provide a flag (-O) to mount over a non empty directory. | |
| 89 | */ | |
| d1d7e268 | 90 | #define MS_OVERLAY 0x00000004 |
| e18be9a6 | 91 | |
| a26baf28 | 92 | #endif /* _LIBSPL_SYS_MOUNT_H */ |