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path: root/fs/nfs/nfs4renewd.c
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Diffstat (limited to 'fs/nfs/nfs4renewd.c')
-rw-r--r--fs/nfs/nfs4renewd.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c
index 3305acbbe2ae..f524e932ff7b 100644
--- a/fs/nfs/nfs4renewd.c
+++ b/fs/nfs/nfs4renewd.c
@@ -65,7 +65,6 @@ nfs4_renew_state(struct work_struct *work)
long lease, timeout;
unsigned long last, now;
- down_read(&clp->cl_sem);
dprintk("%s: start\n", __func__);
/* Are there any active superblocks? */
if (list_empty(&clp->cl_superblocks))
@@ -77,17 +76,19 @@ nfs4_renew_state(struct work_struct *work)
timeout = (2 * lease) / 3 + (long)last - (long)now;
/* Are we close to a lease timeout? */
if (time_after(now, last + lease/3)) {
- cred = nfs4_get_renew_cred(clp);
+ cred = nfs4_get_renew_cred_locked(clp);
+ spin_unlock(&clp->cl_lock);
if (cred == NULL) {
- set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
- spin_unlock(&clp->cl_lock);
+ if (list_empty(&clp->cl_delegations)) {
+ set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
+ goto out;
+ }
nfs_expire_all_delegations(clp);
- goto out;
+ } else {
+ /* Queue an asynchronous RENEW. */
+ nfs4_proc_async_renew(clp, cred);
+ put_rpccred(cred);
}
- spin_unlock(&clp->cl_lock);
- /* Queue an asynchronous RENEW. */
- nfs4_proc_async_renew(clp, cred);
- put_rpccred(cred);
timeout = (2 * lease) / 3;
spin_lock(&clp->cl_lock);
} else
@@ -100,12 +101,11 @@ nfs4_renew_state(struct work_struct *work)
cancel_delayed_work(&clp->cl_renewd);
schedule_delayed_work(&clp->cl_renewd, timeout);
spin_unlock(&clp->cl_lock);
+ nfs_expire_unreferenced_delegations(clp);
out:
- up_read(&clp->cl_sem);
dprintk("%s: done\n", __func__);
}
-/* Must be called with clp->cl_sem locked for writes */
void
nfs4_schedule_state_renewal(struct nfs_client *clp)
{