fix: decodeDirObject in prefix usage function (#13026)

prefixes at top level create such as

```
~ mc mb alias/bucket/prefix
```

The prefix/ incorrect appears as prefix__XL_DIR__/
in the accountInfo output, make sure to trim '__XL_DIR__'
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Harshavardhana 2021-08-22 16:46:45 -07:00 committed by GitHub
parent 0f01e7ef0f
commit 14fe8ecb58
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@ -84,7 +84,8 @@ func loadPrefixUsageFromBackend(ctx context.Context, objAPI ObjectLayer, bucket
}
for id, usageInfo := range cache.flattenChildrens(*root) {
prefix := strings.TrimPrefix(id, bucket+slashSeparator)
prefix := decodeDirObject(strings.TrimPrefix(id, bucket+slashSeparator))
// decodeDirObject to avoid any __XL_DIR__ objects
m[prefix] += uint64(usageInfo.Size)
}
}