Commit ce47f52f authored by Andy Grover's avatar Andy Grover
Browse files

RDS: Update comments in rds_send_xmit() 



Update comments to reflect changes in previous commit.

Keeping as separate commits due to different authorship.

Signed-off-by: default avatarAndy Grover <andy.grover@oracle.com>
parent 9e29db0e

net/rds/send.c

+2 −3
Original line number Diff line number Diff line
@@ -353,15 +353,14 @@ int rds_send_xmit(struct rds_connection *conn) 
	/*

	 * Other senders will see we have c_send_lock and exit. We

	 * need to recheck the send queue and race again for c_send_lock

	 * to make sure messages don't just sit on the send queue.

	 * to make sure messages don't just sit on the send queue, if

	 * somebody hasn't already beat us into the loop.

	 *

	 * If the transport cannot continue (i.e ret != 0), then it must

	 * call us when more room is available, such as from the tx

	 * completion handler.

	 */

	if (ret == 0) {

		/* A simple bit test would be way faster than taking the

		 * spin lock */

		smp_mb();

		if (!list_empty(&conn->c_send_queue)) {

			rds_stats_inc(s_send_lock_queue_raced);