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authorKarsten Graul <kgraul@linux.ibm.com>2020-09-10 19:48:29 +0300
committerDavid S. Miller <davem@davemloft.net>2020-09-11 01:24:27 +0300
commit22ef473dbd66a5241b6cedc186abca5a3a4eb922 (patch)
tree8b6237bb247ca5642a9f10fccabf25d0a908aca9 /net/smc/smc_tx.c
parent8418cb4065e3d6d214f7d5535c99deba6e813bf7 (diff)
downloadlinux-22ef473dbd66a5241b6cedc186abca5a3a4eb922.tar.xz
net/smc: use separate work queues for different worker types
There are 6 types of workers which exist per smc connection. 3 of them are used for listen and handshake processing, another 2 are used for close and abort processing and 1 is the tx worker that moves calls to sleeping functions into a worker. To prevent flooding of the system work queue when many connections are opened or closed at the same time (some pattern uperf implements), move those workers to one of 3 smc-specific work queues. Two work queues are module-global and used for handshake and close workers. The third work queue is defined per link group and used by the tx workers that may sleep waiting for resources of this link group. And in smc_llc_enqueue() queue the llc_event_work work to the system prio work queue because its critical that this work is started fast. Reviewed-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_tx.c')
-rw-r--r--net/smc/smc_tx.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index 54ba0443847e..4532c16bf85e 100644
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -228,8 +228,8 @@ int smc_tx_sendmsg(struct smc_sock *smc, struct msghdr *msg, size_t len)
/* for a corked socket defer the RDMA writes if there
* is still sufficient sndbuf_space available
*/
- schedule_delayed_work(&conn->tx_work,
- SMC_TX_CORK_DELAY);
+ queue_delayed_work(conn->lgr->tx_wq, &conn->tx_work,
+ SMC_TX_CORK_DELAY);
else
smc_tx_sndbuf_nonempty(conn);
} /* while (msg_data_left(msg)) */
@@ -499,7 +499,7 @@ static int smcr_tx_sndbuf_nonempty(struct smc_connection *conn)
if (conn->killed)
return -EPIPE;
rc = 0;
- mod_delayed_work(system_wq, &conn->tx_work,
+ mod_delayed_work(conn->lgr->tx_wq, &conn->tx_work,
SMC_TX_WORK_DELAY);
}
return rc;
@@ -623,8 +623,8 @@ void smc_tx_consumer_update(struct smc_connection *conn, bool force)
return;
if ((smc_cdc_get_slot_and_msg_send(conn) < 0) &&
!conn->killed) {
- schedule_delayed_work(&conn->tx_work,
- SMC_TX_WORK_DELAY);
+ queue_delayed_work(conn->lgr->tx_wq, &conn->tx_work,
+ SMC_TX_WORK_DELAY);
return;
}
}