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dlm: use single thread workqueues 

The recent commit to use cmwq for send and recv threads
dcce240ead 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: David Teigland <teigland@redhat.com>
This commit is contained in:
David Teigland 2011-02-11 16:44:31 -06:00
parent d2478521af
commit 6b155c8fd4
1 changed files with 2 additions and 4 deletions
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6
fs/dlm/lowcomms.c
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@ -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);