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Merge pull request #46506 from thaJeztah/deprecate_pkg_loopback

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deprecate pkg/loopback (utility package for devicemapper)
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Bjorn Neergaard 2023-09-18 07:18:57 -06:00 • committed by GitHub
commit 05c60724ed
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2 changed files with 10 additions and 0 deletions
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2
pkg/loopback/attach_loopback.go
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@ -88,6 +88,8 @@ func openNextAvailableLoopback(index int, sparseFile *os.File) (loopFile *os.Fil
// AttachLoopDevice attaches the given sparse file to the next
// available loopback device. It returns an opened *os.File.
//
// Deprecated: the loopback package is deprected and will be removed in the next release.
func AttachLoopDevice(sparseName string) (loop *os.File, err error) {
// Try to retrieve the next available loopback device via syscall.
// If it fails, we discard error and start looping for a

8
pkg/loopback/loopback.go
View file

@ -1,5 +1,9 @@
//go:build linux && cgo
// Package loopback provides utilities to work with loopback devices.
//
// Deprecated: this package is deprecated and will be removed in the next release.
package loopback // import "github.com/docker/docker/pkg/loopback"
import (
@ -21,6 +25,8 @@ func getLoopbackBackingFile(file *os.File) (uint64, uint64, error) {
}
// SetCapacity reloads the size for the loopback device.
//
// Deprecated: the loopback package is deprected and will be removed in the next release.
func SetCapacity(file *os.File) error {
if err := unix.IoctlSetInt(int(file.Fd()), unix.LOOP_SET_CAPACITY, 0); err != nil {
log.G(context.TODO()).Errorf("Error loopbackSetCapacity: %s", err)
@ -31,6 +37,8 @@ func SetCapacity(file *os.File) error {
// FindLoopDeviceFor returns a loopback device file for the specified file which
// is backing file of a loop back device.
//
// Deprecated: the loopback package is deprected and will be removed in the next release.
func FindLoopDeviceFor(file *os.File) *os.File {
var stat unix.Stat_t
err := unix.Stat(file.Name(), &stat)