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nfsd4: mark_client_expired

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Mark the client as expired under the client_lock so it won't be renewed
when an nfsv4.1 session is done, after it was explicitly expired
during processing of the compound.

Do not renew a client mark as expired (in particular, it is not
on the lru list anymore)

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Benny Halevy
2010-05-12 00:13:41 +03:00
committed by J. Bruce Fields
parent 46583e2597
commit 07cd4909a6
2 changed files with 23 additions and 1 deletions
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10
fs/nfsd/nfs4state.c
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@ -632,6 +632,14 @@ free_session(struct kref *kref)
static inline void
renew_client_locked(struct nfs4_client *clp)
{
if (is_client_expired(clp)) {
dprintk("%s: client (clientid %08x/%08x) already expired\n",
__func__,
clp->cl_clientid.cl_boot,
clp->cl_clientid.cl_id);
return;
}
/*
* Move client to the end to the LRU list.
*/
@ -697,6 +705,7 @@ free_client(struct nfs4_client *clp)
static inline void
unhash_client_locked(struct nfs4_client *clp)
{
mark_client_expired(clp);
list_del(&clp->cl_lru);
while (!list_empty(&clp->cl_sessions)) {
struct nfsd4_session *ses;
@ -836,6 +845,7 @@ static struct nfs4_client *create_client(struct xdr_netobj name, char *recdir,
INIT_LIST_HEAD(&clp->cl_delegations);
INIT_LIST_HEAD(&clp->cl_sessions);
INIT_LIST_HEAD(&clp->cl_lru);
clp->cl_time = get_seconds();
clear_bit(0, &clp->cl_cb_slot_busy);
rpc_init_wait_queue(&clp->cl_cb_waitq, "Backchannel slot table");
copy_verf(clp, verf);