Which function do you want to add comments to?
freeStorageBytesInternal in pkg/ddc/alluxio/ufs_internal.go.
What comments do you want to add?
// freeStorageBytesInternal returns the amount of free storage space (in bytes) within the Alluxio filesystem.
// It currently returns zero values as the implementation has not been completed.
// TODO: implement the query logic to retrieve the actual free bytes from the Alluxio master.
Which function do you want to add comments to?
freeStorageBytesInternal in pkg/ddc/alluxio/ufs_internal.go.
What comments do you want to add?