5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> [ Upstream commit a017ad1313fc91bdf235097fd0a02f673fc7bb11 ] 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@xxxxxxxxxxxxxxx> Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx> Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- fs/nfs/super.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index c7ca8cdc8801..98fbd2c5d7b7 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> @@ -454,6 +455,7 @@ 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(); -- 2.43.0
