From: Trond Myklebust <trond.myklebust@hammerspace.com>
Date: Wed, 21 Aug 2024 18:05:00 +0000 (-0400)
Subject: NFSv4: Add missing rescheduling points in nfs_client_return_marked_delegations
X-Git-Tag: v6.12~625^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a017ad1313fc91bdf235097fd0a02f673fc7bb11;p=platform%2Fkernel%2Flinux-amlogic.git

NFSv4: Add missing rescheduling points in nfs_client_return_marked_delegations

We're seeing reports of soft lockups when iterating through the loops,
so let's add rescheduling points.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index cbbd4866b0b7..97b386032b71 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -47,6 +47,7 @@
 #include <linux/vfs.h>
 #include <linux/inet.h>
 #include <linux/in6.h>
+#include <linux/sched.h>
 #include <linux/slab.h>
 #include <net/ipv6.h>
 #include <linux/netdevice.h>
@@ -228,6 +229,7 @@ static int __nfs_list_for_each_server(struct list_head *head,
 		ret = fn(server, data);
 		if (ret)
 			goto out;
+		cond_resched();
 		rcu_read_lock();
 	}
 	rcu_read_unlock();