From 1fb835f042a0cda90e855dc8d3064613545de4fc Mon Sep 17 00:00:00 2001
From: Jin Dong <djdongjin95@gmail.com>
Date: Sat, 17 Jun 2023 13:54:43 +0000
Subject: [PATCH] Remove unnecessary label bucket loop

Signed-off-by: Jin Dong <djdongjin95@gmail.com>
---
 metadata/content.go | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/metadata/content.go b/metadata/content.go
index 2df665fcf..8e2166394 100644
--- a/metadata/content.go
+++ b/metadata/content.go
@@ -719,15 +719,8 @@ func isSharedContent(tx *bolt.Tx, dgst digest.Digest) bool {
 		if lbkt == nil {
 			continue
 		}
-		// iterate through each label
-		lbc := lbkt.Cursor()
-		for k, v := lbc.First(); k != nil; k, v = lbc.Next() {
-			if string(k) == labels.LabelSharedNamespace {
-				if string(v) == "true" && getBlobBucket(tx, ns, dgst) != nil {
-					return true
-				}
-				break
-			}
+		if sharedNS := lbkt.Get([]byte(labels.LabelSharedNamespace)); sharedNS != nil && string(sharedNS) == "true" && getBlobBucket(tx, ns, dgst) != nil {
+			return true
 		}
 	}
 	return false