package loopback

import "github.com/docker/cli/components/engine/pkg/loopback"

Index

Constants 

const (
	LoopSetFd       = C.LOOP_SET_FD
	LoopCtlGetFree  = C.LOOP_CTL_GET_FREE
	LoopGetStatus64 = C.LOOP_GET_STATUS64
	LoopSetStatus64 = C.LOOP_SET_STATUS64
	LoopClrFd       = C.LOOP_CLR_FD
	LoopSetCapacity = C.LOOP_SET_CAPACITY
)

IOCTL consts 

const (
	LoFlagsAutoClear = C.LO_FLAGS_AUTOCLEAR
	LoFlagsReadOnly  = C.LO_FLAGS_READ_ONLY
	LoFlagsPartScan  = C.LO_FLAGS_PARTSCAN
	LoKeySize        = C.LO_KEY_SIZE
	LoNameSize       = C.LO_NAME_SIZE
)

LOOP consts.

Variables 

var (
	ErrAttachLoopbackDevice   = errors.New("loopback attach failed")
	ErrGetLoopbackBackingFile = errors.New("Unable to get loopback backing file")
	ErrSetCapacity            = errors.New("Unable set loopback capacity")
)

Loopback related errors

Functions

func AttachLoopDevice 

func AttachLoopDevice(sparseName string) (loop *os.File, err error)

AttachLoopDevice attaches the given sparse file to the next available loopback device. It returns an opened *os.File.

func FindLoopDeviceFor 

func FindLoopDeviceFor(file *os.File) *os.File

FindLoopDeviceFor returns a loopback device file for the specified file which is backing file of a loop back device.

func SetCapacity 

func SetCapacity(file *os.File) error

SetCapacity reloads the size for the loopback device.

Source Files

attach_loopback.go ioctl.go loop_wrapper.go loopback.go

Version
v17.10.0-ce-rc1+incompatible
Published
Oct 4, 2017
Platform
linux/amd64
Imports
7 packages
Last checked
2 hours ago –

Tools for package owners.