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Rework for readability

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This commit is contained in:
Carter McKinnon 2022-06-15 00:57:54 +00:00
parent 983a570b9e
commit efc7df4afe
1 changed files with 29 additions and 30 deletions
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59
staging/src/k8s.io/mount-utils/mount_helper_common.go
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@ -31,7 +31,7 @@ import (
func CleanupMountPoint(mountPath string, mounter Interface, extensiveMountPointCheck bool) error {
pathExists, pathErr := PathExists(mountPath)
if !pathExists && pathErr == nil {
klog.Warningf("Warning: Unmount skipped because path does not exist: %v", mountPath)
klog.Warningf("Warning: mount cleanup skipped because path does not exist: %v", mountPath)
return nil
}
corruptedMnt := IsCorruptedMnt(pathErr)
@ -44,40 +44,40 @@ func CleanupMountPoint(mountPath string, mounter Interface, extensiveMountPointC
func CleanupMountWithForce(mountPath string, mounter MounterForceUnmounter, extensiveMountPointCheck bool, umountTimeout time.Duration) error {
pathExists, pathErr := PathExists(mountPath)
if !pathExists && pathErr == nil {
klog.Warningf("Warning: Unmount skipped because path does not exist: %v", mountPath)
klog.Warningf("Warning: mount cleanup skipped because path does not exist: %v", mountPath)
return nil
}
corruptedMnt := IsCorruptedMnt(pathErr)
if pathErr != nil && !corruptedMnt {
return fmt.Errorf("Error checking path: %v", pathErr)
}
var notMnt bool
var err error
if !mounter.canSafelySkipMountPointCheck() && !corruptedMnt {
notMnt, err = removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck)
// if mountPath was not a mount point - we would have attempted to remove mountPath
// and hence return errors if any.
if err != nil || notMnt {
if corruptedMnt || mounter.canSafelySkipMountPointCheck() {
klog.V(4).Infof("unmounting %q", mountPath)
if err := mounter.UnmountWithForce(mountPath, umountTimeout); err != nil {
return err
}
return removePath(mountPath)
}
notMnt, err := removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck)
// if mountPath is not a mount point, it's just been removed or there was an error
if err != nil || notMnt {
return err
}
// Unmount the mount path
klog.V(4).Infof("%q is a mountpoint, unmounting", mountPath)
if err := mounter.UnmountWithForce(mountPath, umountTimeout); err != nil {
return err
}
if mounter.canSafelySkipMountPointCheck() {
return removePath(mountPath)
}
notMnt, err = removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck)
// mountPath is not a mount point we should return whatever error we saw
// if mountPath is not a mount point, it's either just been removed or there was an error
if notMnt {
return err
}
return fmt.Errorf("Failed to unmount path %v", mountPath)
// mountPath is still a mount point
return fmt.Errorf("failed to cleanup mount point %v", mountPath)
}
// doCleanupMountPoint unmounts the given path and
@ -88,33 +88,32 @@ func CleanupMountWithForce(mountPath string, mounter MounterForceUnmounter, exte
// if corruptedMnt is true, it means that the mountPath is a corrupted mountpoint, and the mount point check
// will be skipped. The mount point check will also be skipped if the mounter supports it.
func doCleanupMountPoint(mountPath string, mounter Interface, extensiveMountPointCheck bool, corruptedMnt bool) error {
var notMnt bool
var err error
if !mounter.canSafelySkipMountPointCheck() && !corruptedMnt {
notMnt, err = removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck)
// if mountPath was not a mount point - we would have attempted to remove mountPath
// and hence return errors if any.
if err != nil || notMnt {
if corruptedMnt || mounter.canSafelySkipMountPointCheck() {
klog.V(4).Infof("unmounting %q", mountPath)
if err := mounter.Unmount(mountPath); err != nil {
return err
}
return removePath(mountPath)
}
notMnt, err := removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck)
// if mountPath is not a mount point, it's just been removed or there was an error
if err != nil || notMnt {
return err
}
// Unmount the mount path
klog.V(4).Infof("%q is a mountpoint, unmounting", mountPath)
if err := mounter.Unmount(mountPath); err != nil {
return err
}
if mounter.canSafelySkipMountPointCheck() {
return removePath(mountPath)
}
notMnt, err = removePathIfNotMountPoint(mountPath, mounter, extensiveMountPointCheck)
// mountPath is not a mount point we should return whatever error we saw
// if mountPath is not a mount point, it's either just been removed or there was an error
if notMnt {
return err
}
return fmt.Errorf("Failed to unmount path %v", mountPath)
// mountPath is still a mount point
return fmt.Errorf("failed to cleanup mount point %v", mountPath)
}
// removePathIfNotMountPoint verifies if given mountPath is a mount point if not it attempts