return
	}

	if err := enforceBucketQuotaHard(ctx, dstBucket, actualPartSize); err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Special care for CopyObjectPart
	if partRangeErr := checkCopyPartRangeWithSize(rs, actualPartSize); partRangeErr != nil {
		writeCopyPartErr(ctx, w, partRangeErr, r.URL)
		return
	}

	// Get the object offset & length

	gridLogIf(ctx, err)
	if m.MuxID == 0 {
		atomic.StoreInt64(&c.LastPong, time.Now().Unix())
		return
	}
	if v, ok := c.outgoing.Load(m.MuxID); ok {
		v.pong(pong)
	} else {
		// We don't care if the client was removed in the meantime,
		// but we send a disconnect message to the server just in case.
		gridLogIf(ctx, c.queueMsg(message{Op: OpDisconnectClientMux, MuxID: m.MuxID}, nil))
	}
}

			iamLogIf(GlobalContext,
				fmt.Errorf("unable to load policies during STS purge: %w (%s)", err, item))
		}

	}

	// Store the newly populated map in the iam cache. This takes care of
	// removing stale entries from the existing map.
	iamOS.Lock()
	defer iamOS.Unlock()
	iamOS.iamCache.iamSTSAccountsMap = stsAccountsFromStore
	iamOS.iamCache.iamSTSPolicyMap = stsAccPoliciesFromStore