82 	struct nfs4_deviceid_node *d;  in _lookup_deviceid()  local
84 	hlist_for_each_entry_rcu(d, &nfs4_deviceid_cache[hash], node)  in _lookup_deviceid()
85 		if (d->ld == ld && d->nfs_client == clp &&  in _lookup_deviceid()
86 		    !memcmp(&d->deviceid, id, sizeof(*id))) {  in _lookup_deviceid()
87 			if (atomic_read(&d->ref))  in _lookup_deviceid()
88 				return d;  in _lookup_deviceid()
100 	struct nfs4_deviceid_node *d = NULL;  in nfs4_get_device_info()  local
150 	d = server->pnfs_curr_ld->alloc_deviceid_node(server, pdev,  in nfs4_get_device_info()
152 	if (d && pdev->nocache)  in nfs4_get_device_info()
153 		set_bit(NFS_DEVICEID_NOCACHE, &d->flags);  in nfs4_get_device_info()
161 	dprintk("<-- %s d %p\n", __func__, d);  in nfs4_get_device_info()
162 	return d;  in nfs4_get_device_info()
175 	struct nfs4_deviceid_node *d;  in __nfs4_find_get_deviceid()  local
178 	d = _lookup_deviceid(server->pnfs_curr_ld, server->nfs_client, id,  in __nfs4_find_get_deviceid()
180 	if (d != NULL && !atomic_inc_not_zero(&d->ref))  in __nfs4_find_get_deviceid()
181 		d = NULL;  in __nfs4_find_get_deviceid()
183 	return d;  in __nfs4_find_get_deviceid()
192 	struct nfs4_deviceid_node *d, *new;  in nfs4_find_get_deviceid()  local
194 	d = __nfs4_find_get_deviceid(server, id, hash);  in nfs4_find_get_deviceid()
195 	if (d)  in nfs4_find_get_deviceid()
196 		return d;  in nfs4_find_get_deviceid()
203 	d = __nfs4_find_get_deviceid(server, id, hash);  in nfs4_find_get_deviceid()
204 	if (d) {  in nfs4_find_get_deviceid()
207 		return d;  in nfs4_find_get_deviceid()
229 	struct nfs4_deviceid_node *d;  in nfs4_delete_deviceid()  local
233 	d = _lookup_deviceid(ld, clp, id, nfs4_deviceid_hash(id));  in nfs4_delete_deviceid()
235 	if (!d) {  in nfs4_delete_deviceid()
239 	hlist_del_init_rcu(&d->node);  in nfs4_delete_deviceid()
240 	clear_bit(NFS_DEVICEID_NOCACHE, &d->flags);  in nfs4_delete_deviceid()
244 	nfs4_put_deviceid_node(d);  in nfs4_delete_deviceid()
249 nfs4_init_deviceid_node(struct nfs4_deviceid_node *d, struct nfs_server *server,  in nfs4_init_deviceid_node()  argument
252 	INIT_HLIST_NODE(&d->node);  in nfs4_init_deviceid_node()
253 	INIT_HLIST_NODE(&d->tmpnode);  in nfs4_init_deviceid_node()
254 	d->ld = server->pnfs_curr_ld;  in nfs4_init_deviceid_node()
255 	d->nfs_client = server->nfs_client;  in nfs4_init_deviceid_node()
256 	d->flags = 0;  in nfs4_init_deviceid_node()
257 	d->deviceid = *id;  in nfs4_init_deviceid_node()
258 	atomic_set(&d->ref, 1);  in nfs4_init_deviceid_node()
273 nfs4_put_deviceid_node(struct nfs4_deviceid_node *d)  in nfs4_put_deviceid_node()  argument
275 	if (test_bit(NFS_DEVICEID_NOCACHE, &d->flags)) {  in nfs4_put_deviceid_node()
276 		if (atomic_add_unless(&d->ref, -1, 2))  in nfs4_put_deviceid_node()
278 		nfs4_delete_deviceid(d->ld, d->nfs_client, &d->deviceid);  in nfs4_put_deviceid_node()
280 	if (!atomic_dec_and_test(&d->ref))  in nfs4_put_deviceid_node()
282 	d->ld->free_deviceid_node(d);  in nfs4_put_deviceid_node()
314 	struct nfs4_deviceid_node *d;  in _deviceid_purge_client()  local
319 	hlist_for_each_entry_rcu(d, &nfs4_deviceid_cache[hash], node)  in _deviceid_purge_client()
320 		if (d->nfs_client == clp && atomic_read(&d->ref)) {  in _deviceid_purge_client()
321 			hlist_del_init_rcu(&d->node);  in _deviceid_purge_client()
322 			hlist_add_head(&d->tmpnode, &tmp);  in _deviceid_purge_client()
323 			clear_bit(NFS_DEVICEID_NOCACHE, &d->flags);  in _deviceid_purge_client()
332 		d = hlist_entry(tmp.first, struct nfs4_deviceid_node, tmpnode);  in _deviceid_purge_client()
333 		hlist_del(&d->tmpnode);  in _deviceid_purge_client()
334 		nfs4_put_deviceid_node(d);  in _deviceid_purge_client()
355 	struct nfs4_deviceid_node *d;  in nfs4_deviceid_mark_client_invalid()  local
360 		hlist_for_each_entry_rcu(d, &nfs4_deviceid_cache[i], node)  in nfs4_deviceid_mark_client_invalid()
361 			if (d->nfs_client == clp)  in nfs4_deviceid_mark_client_invalid()
362 				set_bit(NFS_DEVICEID_INVALID, &d->flags);  in nfs4_deviceid_mark_client_invalid()