NFS: Avoid infinite loop when RELEASE_LOCKOWNER getting expired error
Fix Commit 60ea681299 (NFS: Migration support for RELEASE_LOCKOWNER)
If getting expired error, client will enter a infinite loop as,
client server
RELEASE_LOCKOWNER(old clid) ----->
<--- expired error
RENEW(old clid) ----->
<--- expired error
SETCLIENTID ----->
<--- a new clid
SETCLIENTID_CONFIRM (new clid) -->
<--- ok
RELEASE_LOCKOWNER(old clid) ----->
<--- expired error
RENEW(new clid) ----->
<-- ok
RELEASE_LOCKOWNER(old clid) ----->
<--- expired error
RENEW(new clid) ----->
<-- ok
... ...
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
[Trond: replace call to nfs4_async_handle_error() with
nfs4_schedule_lease_recovery()]
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 66fd901..75ae8d2 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5942,8 +5942,10 @@
static void nfs4_release_lockowner_prepare(struct rpc_task *task, void *calldata)
{
struct nfs_release_lockowner_data *data = calldata;
- nfs40_setup_sequence(data->server,
- &data->args.seq_args, &data->res.seq_res, task);
+ struct nfs_server *server = data->server;
+ nfs40_setup_sequence(server, &data->args.seq_args,
+ &data->res.seq_res, task);
+ data->args.lock_owner.clientid = server->nfs_client->cl_clientid;
data->timestamp = jiffies;
}
@@ -5960,6 +5962,8 @@
break;
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_EXPIRED:
+ nfs4_schedule_lease_recovery(server->nfs_client);
+ break;
case -NFS4ERR_LEASE_MOVED:
case -NFS4ERR_DELAY:
if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN)