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cephfs: remove subvolume during clone #4223

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Nov 8, 2023
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29 changes: 15 additions & 14 deletions internal/cephfs/core/clone.go
Original file line number Diff line number Diff line change
Expand Up @@ -68,11 +68,10 @@ func (s *subVolumeClient) CreateCloneFromSubvolume(
return err
}

// if cloneErr is not nil we will delete the snapshot
var cloneErr error

defer func() {
if cloneErr != nil {
// if any error occurs while cloning, resizing or deleting the snapshot
// fails then we need to delete the clone and snapshot.
if err != nil && !cerrors.IsCloneRetryError(err) {
if err = s.PurgeVolume(ctx, true); err != nil {
log.ErrorLog(ctx, "failed to delete volume %s: %v", s.VolID, err)
}
Expand All @@ -81,18 +80,19 @@ func (s *subVolumeClient) CreateCloneFromSubvolume(
}
}
}()
cloneErr = snapClient.CloneSnapshot(ctx, s.SubVolume)
if cloneErr != nil {
log.ErrorLog(ctx, "failed to clone snapshot %s %s to %s %v", parentvolOpt.VolID, snapshotID, s.VolID, cloneErr)
err = snapClient.CloneSnapshot(ctx, s.SubVolume)
if err != nil {
log.ErrorLog(ctx, "failed to clone snapshot %s %s to %s %v", parentvolOpt.VolID, snapshotID, s.VolID, err)

return cloneErr
return err
}

cloneState, cloneErr := s.GetCloneState(ctx)
if cloneErr != nil {
log.ErrorLog(ctx, "failed to get clone state: %v", cloneErr)
var cloneState cephFSCloneState
cloneState, err = s.GetCloneState(ctx)
if err != nil {
log.ErrorLog(ctx, "failed to get clone state: %v", err)

return cloneErr
return err
}

err = cloneState.ToError()
Expand Down Expand Up @@ -157,8 +157,9 @@ func (s *subVolumeClient) CreateCloneFromSnapshot(
}
}
}()

cloneState, err := s.GetCloneState(ctx)
var cloneState cephFSCloneState
// avoid err variable shadowing
cloneState, err = s.GetCloneState(ctx)
if err != nil {
log.ErrorLog(ctx, "failed to get clone state: %v", err)

Expand Down