moby--moby/pkg/mount/sharedsubtree_linux.go

55 lines
1.1 KiB
Go

// +build linux
package mount
func MakeShared(mountPoint string) error {
return ensureMountedAs(mountPoint, "shared")
}
func MakeRShared(mountPoint string) error {
return ensureMountedAs(mountPoint, "rshared")
}
func MakePrivate(mountPoint string) error {
return ensureMountedAs(mountPoint, "private")
}
func MakeRPrivate(mountPoint string) error {
return ensureMountedAs(mountPoint, "rprivate")
}
func MakeSlave(mountPoint string) error {
return ensureMountedAs(mountPoint, "slave")
}
func MakeRSlave(mountPoint string) error {
return ensureMountedAs(mountPoint, "rslave")
}
func MakeUnbindable(mountPoint string) error {
return ensureMountedAs(mountPoint, "unbindable")
}
func MakeRUnbindable(mountPoint string) error {
return ensureMountedAs(mountPoint, "runbindable")
}
func ensureMountedAs(mountPoint, options string) error {
mounted, err := Mounted(mountPoint)
if err != nil {
return err
}
if !mounted {
if err := Mount(mountPoint, mountPoint, "none", "bind,rw"); err != nil {
return err
}
}
mounted, err = Mounted(mountPoint)
if err != nil {
return err
}
return ForceMount("", mountPoint, "none", options)
}