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Revert "SUNRPC: Declare RPC timers as TIMER_DEFERRABLE" 

Jon Hunter reports:
  "I have been noticing intermittent failures with a system suspend test on
   some of our machines that have a NFS mounted root file-system. Bisecting
   this issue points to your commit 431235818b ("SUNRPC: Declare RPC
   timers as TIMER_DEFERRABLE") and reverting this on top of v5.2-rc3 does
   appear to resolve the problem.

   The cause of the suspend failure appears to be a long delay observed
   sometimes when resuming from suspend, and this is causing our test to
   timeout."

This reverts commit 431235818b.

Reported-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Anna Schumaker 2019-06-18 14:57:33 -04:00
parent b962261484
commit 502980e84e
2 changed files with 2 additions and 6 deletions
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4
net/sunrpc/sched.c
View File

@ -250,9 +250,7 @@ static void __rpc_init_priority_wait_queue(struct rpc_wait_queue *queue, const c
queue->maxpriority = nr_queues - 1;
rpc_reset_waitqueue_priority(queue);
queue->qlen = 0;
timer_setup(&queue->timer_list.timer,
__rpc_queue_timer_fn,
TIMER_DEFERRABLE);
timer_setup(&queue->timer_list.timer, __rpc_queue_timer_fn, 0);
INIT_LIST_HEAD(&queue->timer_list.list);
rpc_assign_waitqueue_name(queue, qname);
}

4
net/sunrpc/xprt.c
View File

@ -1876,9 +1876,7 @@ found:
xprt->idle_timeout = 0;
INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
if (xprt_has_timer(xprt))
timer_setup(&xprt->timer,
xprt_init_autodisconnect,
TIMER_DEFERRABLE);
timer_setup(&xprt->timer, xprt_init_autodisconnect, 0);
else
timer_setup(&xprt->timer, NULL, 0);