File Systems & Mount Control

Mount and Unmount File Systems

`mount`

Supported functionality in SCML:

// Create a new mount
mount(
    source, target, filesystemtype,
    mountflags = 0,
    data
);

// Move the existing mount point
mount(
    source, target, filesystemtype,
    mountflags = MS_MOVE,
    data
);

// Create a bind mount
mount(
    source, target, filesystemtype,
    mountflags = MS_BIND | MS_REC | MS_MOVE,
    data
);

Silently-ignored mount flags:

MS_DIRSYNC
MS_LAZYTIME
MS_MANDLOCK
MS_NOATIME
MS_NODEV
MS_NODIRATIME
MS_NOEXEC
MS_NOSUID
MS_RDONLY
MS_RELATIME
MS_SILENT
MS_STRICTATIME
MS_SYNCHRONOUS

Partially supported mount flags:

MS_REC is only effective when used in conjunction with MS_BIND

Unsupported mount flags:

MS_REMOUNT
MS_SHARED
MS_PRIVATE
MS_SLAVE
MS_UNBINDABLE

For more information, see the man page.

`umount` and `umount2`

Supported functionality in SCML:

// Unmount a mounted file system
umount(target);

// Unmount a mounted file system with enhanced behavior control
umount2(target, flags = UMOUNT_NOFOLLOW);

Silently-ignored flags:

MNT_FORCE
MNT_DETACH
MNT_EXPIRE

For more information, see the man page.