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Merge pull request #12033 from rhvgoyal/devmapper-cleanup

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Devmapper Graph Driver Misc cleanup
This commit is contained in:
Vincent Batts 2015-04-07 15:49:32 -04:00
commit 53738aa452
1 changed files with 7 additions and 9 deletions
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16
devicemapper/devmapper.go
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@ -284,9 +284,9 @@ func FindLoopDeviceFor(file *os.File) *os.File {
return nil
}
func UdevWait(cookie uint) error {
if res := DmUdevWait(cookie); res != 1 {
logrus.Debugf("Failed to wait on udev cookie %d", cookie)
func UdevWait(cookie *uint) error {
if res := DmUdevWait(*cookie); res != 1 {
logrus.Debugf("Failed to wait on udev cookie %d", *cookie)
return ErrUdevWait
}
return nil
@ -349,8 +349,6 @@ func CookieSupported() bool {
// Useful helper for cleanup
func RemoveDevice(name string) error {
logrus.Debugf("[devmapper] RemoveDevice START(%s)", name)
defer logrus.Debugf("[devmapper] RemoveDevice END(%s)", name)
task, err := TaskCreateNamed(DeviceRemove, name)
if task == nil {
return err
@ -360,7 +358,7 @@ func RemoveDevice(name string) error {
if err := task.SetCookie(&cookie, 0); err != nil {
return fmt.Errorf("Can not set cookie: %s", err)
}
defer UdevWait(cookie)
defer UdevWait(&cookie)
dmSawBusy = false // reset before the task is run
if err = task.Run(); err != nil {
@ -427,7 +425,7 @@ func CreatePool(poolName string, dataFile, metadataFile *os.File, poolBlockSize
if err := task.SetCookie(&cookie, flags); err != nil {
return fmt.Errorf("Can't set cookie %s", err)
}
defer UdevWait(cookie)
defer UdevWait(&cookie)
if err := task.Run(); err != nil {
return fmt.Errorf("Error running DeviceCreate (CreatePool) %s", err)
@ -558,7 +556,7 @@ func ResumeDevice(name string) error {
if err := task.SetCookie(&cookie, 0); err != nil {
return fmt.Errorf("Can't set cookie %s", err)
}
defer UdevWait(cookie)
defer UdevWait(&cookie)
if err := task.Run(); err != nil {
return fmt.Errorf("Error running DeviceResume %s", err)
@ -634,7 +632,7 @@ func ActivateDevice(poolName string, name string, deviceId int, size uint64) err
return fmt.Errorf("Can't set cookie %s", err)
}
defer UdevWait(cookie)
defer UdevWait(&cookie)
if err := task.Run(); err != nil {
return fmt.Errorf("Error running DeviceCreate (ActivateDevice) %s", err)