56 	struct nfs_net *nn = net_generic(net, nfs_net_id);  in bl_resolve_deviceid()  local
57 	struct bl_dev_msg *reply = &nn->bl_mount_reply;  in bl_resolve_deviceid()
67 	mutex_lock(&nn->bl_mutex);  in bl_resolve_deviceid()
68 	bl_pipe_msg.bl_wq = &nn->bl_wq;  in bl_resolve_deviceid()
86 	add_wait_queue(&nn->bl_wq, &wq);  in bl_resolve_deviceid()
87 	rc = rpc_queue_upcall(nn->bl_device_pipe, msg);  in bl_resolve_deviceid()
89 		remove_wait_queue(&nn->bl_wq, &wq);  in bl_resolve_deviceid()
95 	remove_wait_queue(&nn->bl_wq, &wq);  in bl_resolve_deviceid()
107 	mutex_unlock(&nn->bl_mutex);  in bl_resolve_deviceid()
114 	struct nfs_net *nn = net_generic(file_inode(filp)->i_sb->s_fs_info,  in bl_pipe_downcall()  local
120 	if (copy_from_user(&nn->bl_mount_reply, src, mlen) != 0)  in bl_pipe_downcall()
123 	wake_up(&nn->bl_wq);  in bl_pipe_downcall()
169 	struct nfs_net *nn = net_generic(net, nfs_net_id);  in rpc_pipefs_event()  local
176 	if (nn->bl_device_pipe == NULL) {  in rpc_pipefs_event()
183 		dentry = nfs4blocklayout_register_sb(sb, nn->bl_device_pipe);  in rpc_pipefs_event()
188 		nn->bl_device_pipe->dentry = dentry;  in rpc_pipefs_event()
191 		if (nn->bl_device_pipe->dentry)  in rpc_pipefs_event()
192 			nfs4blocklayout_unregister_sb(sb, nn->bl_device_pipe);  in rpc_pipefs_event()
234 	struct nfs_net *nn = net_generic(net, nfs_net_id);  in nfs4blocklayout_net_init()  local
237 	mutex_init(&nn->bl_mutex);  in nfs4blocklayout_net_init()
238 	init_waitqueue_head(&nn->bl_wq);  in nfs4blocklayout_net_init()
239 	nn->bl_device_pipe = rpc_mkpipe_data(&bl_upcall_ops, 0);  in nfs4blocklayout_net_init()
240 	if (IS_ERR(nn->bl_device_pipe))  in nfs4blocklayout_net_init()
241 		return PTR_ERR(nn->bl_device_pipe);  in nfs4blocklayout_net_init()
242 	dentry = nfs4blocklayout_register_net(net, nn->bl_device_pipe);  in nfs4blocklayout_net_init()
244 		rpc_destroy_pipe_data(nn->bl_device_pipe);  in nfs4blocklayout_net_init()
247 	nn->bl_device_pipe->dentry = dentry;  in nfs4blocklayout_net_init()
253 	struct nfs_net *nn = net_generic(net, nfs_net_id);  in nfs4blocklayout_net_exit()  local
255 	nfs4blocklayout_unregister_net(net, nn->bl_device_pipe);  in nfs4blocklayout_net_exit()
256 	rpc_destroy_pipe_data(nn->bl_device_pipe);  in nfs4blocklayout_net_exit()
257 	nn->bl_device_pipe = NULL;  in nfs4blocklayout_net_exit()