| /* Header file for mounting/unmount Linux filesystems. |
| Copyright (C) 1996-2000, 2004, 2010, 2012 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| /* This is taken from /usr/include/linux/fs.h. */ |
| |
| #ifndef _SYS_MOUNT_H |
| #define _SYS_MOUNT_H 1 |
| |
| #include <features.h> |
| #include <sys/ioctl.h> |
| |
| #define BLOCK_SIZE 1024 |
| #define BLOCK_SIZE_BITS 10 |
| |
| |
| /* These are the fs-independent mount-flags: up to 16 flags are |
| supported */ |
| enum |
| { |
| MS_RDONLY = 1, /* Mount read-only. */ |
| #define MS_RDONLY MS_RDONLY |
| MS_NOSUID = 2, /* Ignore suid and sgid bits. */ |
| #define MS_NOSUID MS_NOSUID |
| MS_NODEV = 4, /* Disallow access to device special files. */ |
| #define MS_NODEV MS_NODEV |
| MS_NOEXEC = 8, /* Disallow program execution. */ |
| #define MS_NOEXEC MS_NOEXEC |
| MS_SYNCHRONOUS = 16, /* Writes are synced at once. */ |
| #define MS_SYNCHRONOUS MS_SYNCHRONOUS |
| MS_REMOUNT = 32, /* Alter flags of a mounted FS. */ |
| #define MS_REMOUNT MS_REMOUNT |
| MS_MANDLOCK = 64, /* Allow mandatory locks on an FS. */ |
| #define MS_MANDLOCK MS_MANDLOCK |
| MS_DIRSYNC = 128, /* Directory modifications are synchronous. */ |
| #define MS_DIRSYNC MS_DIRSYNC |
| MS_NOATIME = 1024, /* Do not update access times. */ |
| #define MS_NOATIME MS_NOATIME |
| MS_NODIRATIME = 2048, /* Do not update directory access times. */ |
| #define MS_NODIRATIME MS_NODIRATIME |
| MS_BIND = 4096, /* Bind directory at different place. */ |
| #define MS_BIND MS_BIND |
| MS_MOVE = 8192, |
| #define MS_MOVE MS_MOVE |
| MS_REC = 16384, |
| #define MS_REC MS_REC |
| MS_SILENT = 32768, |
| #define MS_SILENT MS_SILENT |
| MS_POSIXACL = 1 << 16, /* VFS does not apply the umask. */ |
| #define MS_POSIXACL MS_POSIXACL |
| MS_UNBINDABLE = 1 << 17, /* Change to unbindable. */ |
| #define MS_UNBINDABLE MS_UNBINDABLE |
| MS_PRIVATE = 1 << 18, /* Change to private. */ |
| #define MS_PRIVATE MS_PRIVATE |
| MS_SLAVE = 1 << 19, /* Change to slave. */ |
| #define MS_SLAVE MS_SLAVE |
| MS_SHARED = 1 << 20, /* Change to shared. */ |
| #define MS_SHARED MS_SHARED |
| MS_RELATIME = 1 << 21, /* Update atime relative to mtime/ctime. */ |
| #define MS_RELATIME MS_RELATIME |
| MS_KERNMOUNT = 1 << 22, /* This is a kern_mount call. */ |
| #define MS_KERNMOUNT MS_KERNMOUNT |
| MS_I_VERSION = 1 << 23, /* Update inode I_version field. */ |
| #define MS_I_VERSION MS_I_VERSION |
| MS_STRICTATIME = 1 << 24, /* Always perform atime updates. */ |
| #define MS_STRICTATIME MS_STRICTATIME |
| MS_ACTIVE = 1 << 30, |
| #define MS_ACTIVE MS_ACTIVE |
| MS_NOUSER = 1 << 31 |
| #define MS_NOUSER MS_NOUSER |
| }; |
| |
| /* Flags that can be altered by MS_REMOUNT */ |
| #define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION) |
| |
| |
| /* Magic mount flag number. Has to be or-ed to the flag values. */ |
| |
| #define MS_MGC_VAL 0xc0ed0000 /* Magic flag number to indicate "new" flags */ |
| #define MS_MGC_MSK 0xffff0000 /* Magic flag number mask */ |
| |
| |
| /* The read-only stuff doesn't really belong here, but any other place |
| is probably as bad and I don't want to create yet another include |
| file. */ |
| |
| #define BLKROSET _IO(0x12, 93) /* Set device read-only (0 = read-write). */ |
| #define BLKROGET _IO(0x12, 94) /* Get read-only status (0 = read_write). */ |
| #define BLKRRPART _IO(0x12, 95) /* Re-read partition table. */ |
| #define BLKGETSIZE _IO(0x12, 96) /* Return device size. */ |
| #define BLKFLSBUF _IO(0x12, 97) /* Flush buffer cache. */ |
| #define BLKRASET _IO(0x12, 98) /* Set read ahead for block device. */ |
| #define BLKRAGET _IO(0x12, 99) /* Get current read ahead setting. */ |
| #define BLKFRASET _IO(0x12,100) /* Set filesystem read-ahead. */ |
| #define BLKFRAGET _IO(0x12,101) /* Get filesystem read-ahead. */ |
| #define BLKSECTSET _IO(0x12,102) /* Set max sectors per request. */ |
| #define BLKSECTGET _IO(0x12,103) /* Get max sectors per request. */ |
| #define BLKSSZGET _IO(0x12,104) /* Get block device sector size. */ |
| #define BLKBSZGET _IOR(0x12,112,size_t) |
| #define BLKBSZSET _IOW(0x12,113,size_t) |
| #define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size. */ |
| |
| |
| /* Possible value for FLAGS parameter of `umount2'. */ |
| enum |
| { |
| MNT_FORCE = 1, /* Force unmounting. */ |
| #define MNT_FORCE MNT_FORCE |
| MNT_DETACH = 2, /* Just detach from the tree. */ |
| #define MNT_DETACH MNT_DETACH |
| MNT_EXPIRE = 4, /* Mark for expiry. */ |
| #define MNT_EXPIRE MNT_EXPIRE |
| UMOUNT_NOFOLLOW = 8 /* Don't follow symlink on umount. */ |
| #define UMOUNT_NOFOLLOW UMOUNT_NOFOLLOW |
| }; |
| |
| |
| __BEGIN_DECLS |
| |
| /* Mount a filesystem. */ |
| extern int mount (__const char *__special_file, __const char *__dir, |
| __const char *__fstype, unsigned long int __rwflag, |
| __const void *__data) __THROW; |
| |
| /* Unmount a filesystem. */ |
| extern int umount (__const char *__special_file) __THROW; |
| |
| /* Unmount a filesystem. Force unmounting if FLAGS is set to MNT_FORCE. */ |
| extern int umount2 (__const char *__special_file, int __flags) __THROW; |
| |
| __END_DECLS |
| |
| #endif /* _SYS_MOUNT_H */ |
