return status;
}
+static struct rpc_cred *nfs4_get_machine_cred(struct nfs_client *clp)
+{
+ struct rpc_cred *cred = NULL;
+
+ spin_lock(&clp->cl_lock);
+ if (clp->cl_machine_cred != NULL)
+ cred = get_rpccred(clp->cl_machine_cred);
+ spin_unlock(&clp->cl_lock);
+ return cred;
+}
+
+static void nfs4_clear_machine_cred(struct nfs_client *clp)
+{
+ struct rpc_cred *cred;
+
+ spin_lock(&clp->cl_lock);
+ cred = clp->cl_machine_cred;
+ clp->cl_machine_cred = NULL;
+ spin_unlock(&clp->cl_lock);
+ if (cred != NULL)
+ put_rpccred(cred);
+}
+
struct rpc_cred *nfs4_get_renew_cred(struct nfs_client *clp)
{
struct nfs4_state_owner *sp;
{
struct nfs4_state_owner *sp;
struct rb_node *pos;
+ struct rpc_cred *cred;
+ cred = nfs4_get_machine_cred(clp);
+ if (cred != NULL)
+ goto out;
pos = rb_first(&clp->cl_state_owners);
if (pos != NULL) {
sp = rb_entry(pos, struct nfs4_state_owner, so_client_node);
- return get_rpccred(sp->so_cred);
+ cred = get_rpccred(sp->so_cred);
}
- return NULL;
+out:
+ return cred;
}
static void nfs_alloc_unique_id(struct rb_root *root, struct nfs_unique_id *new,
spin_unlock(&clp->cl_lock);
if (sp == new)
get_rpccred(cred);
- else
+ else {
+ rpc_destroy_wait_queue(&new->so_sequence.wait);
kfree(new);
+ }
return sp;
}
return;
nfs4_remove_state_owner(clp, sp);
spin_unlock(&clp->cl_lock);
+ rpc_destroy_wait_queue(&sp->so_sequence.wait);
put_rpccred(cred);
kfree(sp);
}
spin_lock(&clp->cl_lock);
nfs_free_unique_id(&clp->cl_lockowner_id, &lsp->ls_id);
spin_unlock(&clp->cl_lock);
+ rpc_destroy_wait_queue(&lsp->ls_sequence.wait);
kfree(lsp);
}
struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter)
{
- struct rpc_sequence *sequence = counter->sequence;
struct nfs_seqid *new;
new = kmalloc(sizeof(*new), GFP_KERNEL);
if (new != NULL) {
new->sequence = counter;
- spin_lock(&sequence->lock);
- list_add_tail(&new->list, &sequence->list);
- spin_unlock(&sequence->lock);
+ INIT_LIST_HEAD(&new->list);
}
return new;
}
void nfs_free_seqid(struct nfs_seqid *seqid)
{
- struct rpc_sequence *sequence = seqid->sequence->sequence;
+ if (!list_empty(&seqid->list)) {
+ struct rpc_sequence *sequence = seqid->sequence->sequence;
- spin_lock(&sequence->lock);
- list_del(&seqid->list);
- spin_unlock(&sequence->lock);
- rpc_wake_up(&sequence->wait);
+ spin_lock(&sequence->lock);
+ list_del(&seqid->list);
+ spin_unlock(&sequence->lock);
+ rpc_wake_up(&sequence->wait);
+ }
kfree(seqid);
}
*/
static void nfs_increment_seqid(int status, struct nfs_seqid *seqid)
{
+ BUG_ON(list_first_entry(&seqid->sequence->sequence->list, struct nfs_seqid, list) != seqid);
switch (status) {
case 0:
break;
if (seqid->sequence->flags & NFS_SEQID_CONFIRMED)
return;
printk(KERN_WARNING "NFS: v4 server returned a bad"
- "sequence-id error on an"
- "unconfirmed sequence %p!\n",
+ " sequence-id error on an"
+ " unconfirmed sequence %p!\n",
seqid->sequence);
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_STALE_STATEID:
struct rpc_sequence *sequence = seqid->sequence->sequence;
int status = 0;
- if (sequence->list.next == &seqid->list)
- goto out;
spin_lock(&sequence->lock);
- if (sequence->list.next != &seqid->list) {
- rpc_sleep_on(&sequence->wait, task, NULL, NULL);
- status = -EAGAIN;
- }
+ if (list_empty(&seqid->list))
+ list_add_tail(&seqid->list, &sequence->list);
+ if (list_first_entry(&sequence->list, struct nfs_seqid, list) == seqid)
+ goto unlock;
+ rpc_sleep_on(&sequence->wait, task, NULL);
+ status = -EAGAIN;
+unlock:
spin_unlock(&sequence->lock);
-out:
return status;
}
__module_get(THIS_MODULE);
atomic_inc(&clp->cl_count);
- task = kthread_run(reclaimer, clp, "%u.%u.%u.%u-reclaim",
- NIPQUAD(clp->cl_addr.sin_addr));
+ task = kthread_run(reclaimer, clp, "%s-reclaim",
+ rpc_peeraddr2str(clp->cl_rpcclient,
+ RPC_DISPLAY_ADDR));
if (!IS_ERR(task))
return;
nfs4_clear_recover_bit(clp);
struct file_lock *fl;
int status = 0;
- for (fl = inode->i_flock; fl != 0; fl = fl->fl_next) {
+ for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) {
if (!(fl->fl_flags & (FL_POSIX|FL_FLOCK)))
continue;
if (nfs_file_open_context(fl->fl_file)->state != state)
if (cred != NULL) {
/* Yes there are: try to renew the old lease */
status = nfs4_proc_renew(clp, cred);
+ put_rpccred(cred);
switch (status) {
case 0:
case -NFS4ERR_CB_PATH_DOWN:
- put_rpccred(cred);
goto out;
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_LEASE_MOVED:
} else {
/* "reboot" to ensure we clear all state on the server */
clp->cl_boot_time = CURRENT_TIME;
- cred = nfs4_get_setclientid_cred(clp);
}
/* We're going to have to re-establish a clientid */
nfs4_state_mark_reclaim(clp);
status = -ENOENT;
+ cred = nfs4_get_setclientid_cred(clp);
if (cred != NULL) {
status = nfs4_init_client(clp, cred);
put_rpccred(cred);
+ /* Handle case where the user hasn't set up machine creds */
+ if (status == -EACCES && cred == clp->cl_machine_cred) {
+ nfs4_clear_machine_cred(clp);
+ goto restart_loop;
+ }
}
if (status)
goto out_error;
module_put_and_exit(0);
return 0;
out_error:
- printk(KERN_WARNING "Error: state recovery failed on NFSv4 server %u.%u.%u.%u with error %d\n",
- NIPQUAD(clp->cl_addr.sin_addr), -status);
+ printk(KERN_WARNING "Error: state recovery failed on NFSv4 server %s"
+ " with error %d\n", clp->cl_hostname, -status);
set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
goto out;
}
projects / linux-2.6-omap-h63xx.git / blobdiff