57 	struct nfs_net *nn = net_generic(net, nfs_net_id);  in bl_resolve_deviceid()  local
58 	struct bl_dev_msg *reply = &nn->bl_mount_reply;  in bl_resolve_deviceid()
68 	mutex_lock(&nn->bl_mutex);  in bl_resolve_deviceid()
69 	bl_pipe_msg.bl_wq = &nn->bl_wq;  in bl_resolve_deviceid()
87 	add_wait_queue(&nn->bl_wq, &wq);  in bl_resolve_deviceid()
88 	rc = rpc_queue_upcall(nn->bl_device_pipe, msg);  in bl_resolve_deviceid()
90 		remove_wait_queue(&nn->bl_wq, &wq);  in bl_resolve_deviceid()
96 	remove_wait_queue(&nn->bl_wq, &wq);  in bl_resolve_deviceid()
108 	mutex_unlock(&nn->bl_mutex);  in bl_resolve_deviceid()
115 	struct nfs_net *nn = net_generic(file_inode(filp)->i_sb->s_fs_info,  in bl_pipe_downcall()  local
121 	if (copy_from_user(&nn->bl_mount_reply, src, mlen) != 0)  in bl_pipe_downcall()
124 	wake_up(&nn->bl_wq);  in bl_pipe_downcall()
170 	struct nfs_net *nn = net_generic(net, nfs_net_id);  in rpc_pipefs_event()  local
177 	if (nn->bl_device_pipe == NULL) {  in rpc_pipefs_event()
184 		dentry = nfs4blocklayout_register_sb(sb, nn->bl_device_pipe);  in rpc_pipefs_event()
189 		nn->bl_device_pipe->dentry = dentry;  in rpc_pipefs_event()
192 		if (nn->bl_device_pipe->dentry)  in rpc_pipefs_event()
193 			nfs4blocklayout_unregister_sb(sb, nn->bl_device_pipe);  in rpc_pipefs_event()
235 	struct nfs_net *nn = net_generic(net, nfs_net_id);  in nfs4blocklayout_net_init()  local
238 	mutex_init(&nn->bl_mutex);  in nfs4blocklayout_net_init()
239 	init_waitqueue_head(&nn->bl_wq);  in nfs4blocklayout_net_init()
240 	nn->bl_device_pipe = rpc_mkpipe_data(&bl_upcall_ops, 0);  in nfs4blocklayout_net_init()
241 	if (IS_ERR(nn->bl_device_pipe))  in nfs4blocklayout_net_init()
242 		return PTR_ERR(nn->bl_device_pipe);  in nfs4blocklayout_net_init()
243 	dentry = nfs4blocklayout_register_net(net, nn->bl_device_pipe);  in nfs4blocklayout_net_init()
245 		rpc_destroy_pipe_data(nn->bl_device_pipe);  in nfs4blocklayout_net_init()
248 	nn->bl_device_pipe->dentry = dentry;  in nfs4blocklayout_net_init()
254 	struct nfs_net *nn = net_generic(net, nfs_net_id);  in nfs4blocklayout_net_exit()  local
256 	nfs4blocklayout_unregister_net(net, nn->bl_device_pipe);  in nfs4blocklayout_net_exit()
257 	rpc_destroy_pipe_data(nn->bl_device_pipe);  in nfs4blocklayout_net_exit()
258 	nn->bl_device_pipe = NULL;  in nfs4blocklayout_net_exit()