145 static struct dentry *nfs4blocklayout_register_sb(struct super_block *sb,  in nfs4blocklayout_register_sb()
148 	struct dentry *dir, *dentry;  in nfs4blocklayout_register_sb()  local
153 	dentry = rpc_mkpipe_dentry(dir, "blocklayout", NULL, pipe);  in nfs4blocklayout_register_sb()
155 	return dentry;  in nfs4blocklayout_register_sb()
161 	if (pipe->dentry)  in nfs4blocklayout_unregister_sb()
162 		rpc_unlink(pipe->dentry);  in nfs4blocklayout_unregister_sb()
171 	struct dentry *dentry;  in rpc_pipefs_event()  local
184 		dentry = nfs4blocklayout_register_sb(sb, nn->bl_device_pipe);  in rpc_pipefs_event()
185 		if (IS_ERR(dentry)) {  in rpc_pipefs_event()
186 			ret = PTR_ERR(dentry);  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()
207 static struct dentry *nfs4blocklayout_register_net(struct net *net,  in nfs4blocklayout_register_net()
211 	struct dentry *dentry;  in nfs4blocklayout_register_net()  local
216 	dentry = nfs4blocklayout_register_sb(pipefs_sb, pipe);  in nfs4blocklayout_register_net()
218 	return dentry;  in nfs4blocklayout_register_net()
236 	struct dentry *dentry;  in nfs4blocklayout_net_init()  local
243 	dentry = nfs4blocklayout_register_net(net, nn->bl_device_pipe);  in nfs4blocklayout_net_init()
244 	if (IS_ERR(dentry)) {  in nfs4blocklayout_net_init()
246 		return PTR_ERR(dentry);  in nfs4blocklayout_net_init()
248 	nn->bl_device_pipe->dentry = dentry;  in nfs4blocklayout_net_init()