From f864931ab4930c66213266ca6b077db82cbbd1c7 Mon Sep 17 00:00:00 2001
From: Harshavardhana <harsha@minio.io>
Date: Tue, 26 Jan 2021 10:06:54 -0800
Subject: [PATCH] delete dangling objects automatically

---
 cmd/erasure-object.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/cmd/erasure-object.go b/cmd/erasure-object.go
index ea8535500..b52490f43 100644
--- a/cmd/erasure-object.go
+++ b/cmd/erasure-object.go
@@ -365,6 +365,24 @@ func (er erasureObjects) getObjectFileInfo(ctx context.Context, bucket, object s
 	}
 
 	if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {
+		if reducedErr == errErasureReadQuorum && bucket != minioMetaBucket {
+			if _, ok := isObjectDangling(metaArr, errs, nil); ok {
+				reducedErr = errFileNotFound
+				if opts.VersionID != "" {
+					reducedErr = errFileVersionNotFound
+				}
+				// Remove the dangling object only when:
+				//  - This is a non versioned bucket
+				//  - This is a versioned bucket and the version ID is passed, the reason
+				//    is that we cannot fetch the ID of the latest version when we don't trust xl.meta
+				if !opts.Versioned || opts.VersionID != "" {
+					er.deleteObjectVersion(ctx, bucket, object, 1, FileInfo{
+						Name:      object,
+						VersionID: opts.VersionID,
+					})
+				}
+			}
+		}
 		return fi, nil, nil, toObjectErr(reducedErr, bucket, object)
 	}