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Commit 6b155c8f authored by David Teigland's avatar David Teigland
Browse files

dlm: use single thread workqueues 



The recent commit to use cmwq for send and recv threads
dcce240e introduced problems,
apparently due to multiple workqueue threads.  Single threads
make the problems go away, so return to that until we fully
understand the concurrency issues with multiple threads.

Signed-off-by: default avatarDavid Teigland <teigland@redhat.com>
parent d2478521

fs/dlm/lowcomms.c

+2 −4
Original line number Diff line number Diff line
@@ -1468,15 +1468,13 @@ static void work_stop(void) 


static int work_start(void)

{

	recv_workqueue = alloc_workqueue("dlm_recv", WQ_MEM_RECLAIM |

					 WQ_HIGHPRI | WQ_FREEZEABLE, 0);

	recv_workqueue = create_singlethread_workqueue("dlm_recv");

	if (!recv_workqueue) {

		log_print("can't start dlm_recv");

		return -ENOMEM;

	}



	send_workqueue = alloc_workqueue("dlm_send", WQ_MEM_RECLAIM |

					 WQ_HIGHPRI | WQ_FREEZEABLE, 0);

	send_workqueue = create_singlethread_workqueue("dlm_send");

	if (!send_workqueue) {

		log_print("can't start dlm_send");

		destroy_workqueue(recv_workqueue);