public override QuotaCounts CleanSubtree(BlockStoragePolicySuite bsps, int snapshot
, int priorSnapshotId, INode.BlocksMapUpdateInfo collectedBlocks, IList <INode> removedINodes
)
{
FileWithSnapshotFeature sf = GetFileWithSnapshotFeature();
if (sf != null)
{
return(sf.CleanFile(bsps, this, snapshot, priorSnapshotId, collectedBlocks, removedINodes
));
}
QuotaCounts counts = new QuotaCounts.Builder().Build();
if (snapshot == Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot.CurrentStateId)
{
if (priorSnapshotId == Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot.NoSnapshotId)
{
// this only happens when deleting the current file and the file is not
// in any snapshot
ComputeQuotaUsage(bsps, counts, false);
DestroyAndCollectBlocks(bsps, collectedBlocks, removedINodes);
}
else
{
// when deleting the current file and the file is in snapshot, we should
// clean the 0-sized block if the file is UC
FileUnderConstructionFeature uc = GetFileUnderConstructionFeature();
if (uc != null)
{
uc.CleanZeroSizeBlock(this, collectedBlocks);
}
}
}
return(counts);
}
