From 47dd8796a31e132f9e2b93a4f558a9f924a7388f Mon Sep 17 00:00:00 2001
From: Trond Myklebust <trond.myklebust@hammerspace.com>
Date: Mon, 12 Jul 2021 09:57:08 -0400
Subject: [PATCH] SUNRPC: Add cond_resched() at the appropriate point in
__rpc_execute()
Allow tasks that need to pre-empt rpciod/xprtiod to do so when it is
safe.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
net/sunrpc/sched.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index c045f63d11fa6..dc46130d46a0b 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -903,8 +903,10 @@ static void __rpc_execute(struct rpc_task *task)
/*
* Lockless check for whether task is sleeping or not.
*/
- if (!RPC_IS_QUEUED(task))
+ if (!RPC_IS_QUEUED(task)) {
+ cond_resched();
continue;
+ }
/*
* Signalled tasks should exit rather than sleep.
--
2.30.2