}
	}
	if quotaSize > 0 {
		if uint64(size) >= quotaSize { // check if file size already exceeds the quota
			return BucketQuotaExceeded{Bucket: bucket}
		}

		bui := sys.GetBucketUsageInfo(ctx, bucket)
		if bui.Size > 0 && ((bui.Size + uint64(size)) >= quotaSize) {
			return BucketQuotaExceeded{Bucket: bucket}
		}
	}

	return nil
}

		rd, wr := isAllowedAccess(bucket.Name)
		if rd || wr {
			// Fetch the data usage of the current bucket
			bui := globalBucketQuotaSys.GetBucketUsageInfo(ctx, bucket.Name)
			size := bui.Size
			objectsCount := bui.ObjectsCount
			objectsHist := bui.ObjectSizesHistogram
			versionsHist := bui.ObjectVersionsHistogram

			// Fetch the prefix usage of the current bucket
			var prefixUsage map[string]uint64

			continue
		}
		flat := d.flatten(*e)
		bui := BucketUsageInfo{
			Size:                    uint64(flat.Size),
			VersionsCount:           flat.Versions,
			ObjectsCount:            flat.Objects,
			DeleteMarkersCount:      flat.DeleteMarkers,
			ObjectSizesHistogram:    flat.ObjSizes.toMap(),
			ObjectVersionsHistogram: flat.ObjVersions.toMap(),
		}
		dst[bucket.Name] = bui
	}
	return dst
}