SUNRPC: remove timeout arg from svc_recv()

Most svc threads have no interest in a timeout.
nfsd sets it to 1 hour, but this is a wart of no significance.

lockd uses the timeout so that it can call nlmsvc_retry_blocked().
It also sometimes calls svc_wake_up() to ensure this is called.

So change lockd to be consistent and always use svc_wake_up() to trigger
nlmsvc_retry_blocked() - using a timer instead of a timeout to
svc_recv().

And change svc_recv() to not take a timeout arg.

This makes the sp_threads_timedout counter always zero.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 54155b484f7b..39a0ba746267 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -79,7 +79,7 @@ nfs4_callback_svc(void *vrqstp)
 	set_freezable();
 
 	while (!kthread_freezable_should_stop(NULL))
-		svc_recv(rqstp, MAX_SCHEDULE_TIMEOUT);
+		svc_recv(rqstp);
 
 	svc_exit_thread(rqstp);
 	return 0;