From ed243eb2fb4aa2ca33db90f8dcb1440b4085b071 Mon Sep 17 00:00:00 2001
From: lingfeib <231220077@smail.nju.edu.cn>
Date: Thu, 18 Jun 2026 23:16:28 +0800
Subject: [PATCH] Add notation to freeStorageBytesInternal in
 pkg/ddc/alluxio/ufs_internal.go.

Signed-off-by: lingfeib <231220077@smail.nju.edu.cn>
---
 pkg/ddc/alluxio/ufs_internal.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/ddc/alluxio/ufs_internal.go b/pkg/ddc/alluxio/ufs_internal.go
index 69b56ee8728..8921195c5b7 100644
--- a/pkg/ddc/alluxio/ufs_internal.go
+++ b/pkg/ddc/alluxio/ufs_internal.go
@@ -41,6 +41,10 @@ func (e *AlluxioEngine) usedStorageBytesInternal() (value int64, err error) {
 	return
 }
 
+
+// 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.
 func (e *AlluxioEngine) freeStorageBytesInternal() (value int64, err error) {
 	return
 }