6 : MS_RDONLY 1 ; ! Mount read-only.
7 : MS_NOSUID 2 ; ! Ignore suid and sgid bits.
8 : MS_NODEV 4 ; ! Disallow access to device special files.
9 : MS_NOEXEC 8 ; ! Disallow program execution.
10 : MS_SYNCHRONOUS 16 ; ! Writes are synced at once.
11 : MS_REMOUNT 32 ; ! Alter flags of a mounted FS.
12 : MS_MANDLOCK 64 ; ! Allow mandatory locks on an FS.
13 : S_WRITE 128 ; ! Write on file/directory/symlink.
14 : S_APPEND 256 ; ! Append-only file.
15 : S_IMMUTABLE 512 ; ! Immutable file.
16 : MS_NOATIME 1024 ; ! Do not update access times.
17 : MS_NODIRATIME 2048 ; ! Do not update directory access times.
18 : MS_BIND 4096 ; ! Bind directory at different place.
21 ( char* special_file, char* dir, char* fstype, ulong options, void* data ) ;
23 ! FUNCTION: int umount2 ( char* file, int flags ) ;
25 FUNCTION: int umount ( char* file ) ;