[PATCH] NFS: Fix state renewals missing after boot

Joshua Watt
2025-10-08T23:09:45Z

From: Joshua Watt <jpewhacker@gmail.com>

Since the last renewal time was initialized to 0 and jiffies start
counting at -5 minutes, any clients connected in the first 5 minutes
after a reboot would have their renewal timer set to a very long
interval. If the connection was idle, this would result in the client
state timing out on the server and the next call to the server would
return NFS4ERR_BADSESSION.

Fix this by initializing the last renewal time to the current jiffies
instead of 0.

Signed-off-by: Joshua Watt <jpewhacker@gmail.com>
---
fs/nfs/client.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 4e3dcc157a83..96cdfeb26a90 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -181,6 +181,7 @@ struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_init)
clp->cl_nconnect = cl_init->nconnect;
clp->cl_max_connect = cl_init->max_connect ? cl_init->max_connect : 1;
clp->cl_net = get_net_track(cl_init->net, &clp->cl_ns_tracker, GFP_KERNEL);
+ clp->cl_last_renewal = jiffies;

#if IS_ENABLED(CONFIG_NFS_LOCALIO)
seqlock_init(&clp->cl_boot_lock);
--
2.51.0