The previous patch introduces a lock-free version of smc_tx_work() to
solve unnecessary lock contention, which is expected to be held lock.
So this adds comment to remind people to keep an eye out for locks.
Suggested-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Tony Lu <tonylu@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
return rc;
}
+/* Wakeup sndbuf consumers from process context
+ * since there is more data to transmit. The caller
+ * must hold sock lock.
+ */
void smc_tx_pending(struct smc_connection *conn)
{
struct smc_sock *smc = container_of(conn, struct smc_sock, conn);
}
/* Wakeup sndbuf consumers from process context
- * since there is more data to transmit
+ * since there is more data to transmit in locked
+ * sock.
*/
void smc_tx_work(struct work_struct *work)
{