// Hold lock here to update in-memory map at once,
	// instead of serializing the Go routines.
	sys.Lock()
	for i, meta := range bucketMetas {
		if errs[i] != nil {
			continue
		}
		sys.metadataMap[buckets[i].Name] = meta
	}
	sys.Unlock()

	for i, meta := range bucketMetas {
		if errs[i] != nil {
			if failedBuckets == nil {
				failedBuckets = make(map[string]struct{})
			}

		return
	}

	bucketMeta := madmin.SRBucketMeta{
		Type:      madmin.SRBucketMetaTypeQuotaConfig,
		Bucket:    bucket,
		Quota:     data,
		UpdatedAt: updatedAt,
	}
	if quotaConfig.Size == 0 && quotaConfig.Quota == 0 {
		bucketMeta.Quota = nil
	}

	// Call site replication hook.
	replLogIf(ctx, globalSiteReplicationSys.BucketMetaHook(ctx, bucketMeta))

	// Write success response.