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rds: Reintroduce statistics counting

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In commit 7e3f2952ee ("rds: don't let RDS shutdown a connection
while senders are present"), refilling the receive queue was removed
from rds_ib_recv(), along with the increment of
s_ib_rx_refill_from_thread.

Commit 73ce4317bf ("RDS: make sure we post recv buffers")
re-introduces filling the receive queue from rds_ib_recv(), but does
not add the statistics counter. rds_ib_recv() was later renamed to
rds_ib_recv_path().

This commit reintroduces the statistics counting of
s_ib_rx_refill_from_thread and s_ib_rx_refill_from_cq.

Signed-off-by: Håkon Bugge <[email protected]>
Reviewed-by: Knut Omang <[email protected]>
Reviewed-by: Wei Lin Guay <[email protected]>
Reviewed-by: Shamir Rabinovitch <[email protected]>
Acked-by: Santosh Shilimkar <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Håkon Bugge 2017-08-08 11:13:32 +02:00 • committed by David S. Miller
commit 05bfd7dbb5
1 changed files with 4 additions and 1 deletions
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5
net/rds/ib_recv.c
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@ -1015,8 +1015,10 @@ void rds_ib_recv_cqe_handler(struct rds_ib_connection *ic,
if (rds_ib_ring_empty(&ic->i_recv_ring))
rds_ib_stats_inc(s_ib_rx_ring_empty);
if (rds_ib_ring_low(&ic->i_recv_ring))
if (rds_ib_ring_low(&ic->i_recv_ring)) {
rds_ib_recv_refill(conn, 0, GFP_NOWAIT);
rds_ib_stats_inc(s_ib_rx_refill_from_cq);
}
}
int rds_ib_recv_path(struct rds_conn_path *cp)
@ -1029,6 +1031,7 @@ int rds_ib_recv_path(struct rds_conn_path *cp)
if (rds_conn_up(conn)) {
rds_ib_attempt_ack(ic);
rds_ib_recv_refill(conn, 0, GFP_KERNEL);
rds_ib_stats_inc(s_ib_rx_refill_from_thread);
}
return ret;