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: Andy Grover <andy.grover@oracle.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/net/rds/send.c b/net/rds/send.c
index 663fd60b40cf..8e3fd9981c2e 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -353,15 +353,14 @@ restart:
         /*
          * 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);