5.15-stable review patch. If anyone has any objections, please let me know.
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From: Trond Myklebust trond.myklebust@hammerspace.com
[ 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@hammerspace.com Reviewed-by: Jeff Layton jlayton@kernel.org Signed-off-by: Anna Schumaker Anna.Schumaker@Netapp.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/super.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index a847011f36c9..9e672aed3590 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> @@ -219,6 +220,7 @@ 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();