247 	struct dentry *root = sb->s_root;  in mknod_ptmx()  local
258 	mutex_lock(&d_inode(root)->i_mutex);  in mknod_ptmx()
266 	dentry = d_alloc_name(root, "ptmx");  in mknod_ptmx()
295 	mutex_unlock(&d_inode(root)->i_mutex);  in mknod_ptmx()
334 static int devpts_show_options(struct seq_file *seq, struct dentry *root)  in devpts_show_options()  argument
336 	struct pts_fs_info *fsi = DEVPTS_SB(root->d_sb);  in devpts_show_options()
613 	struct dentry *root;  in devpts_pty_new()  local
621 	root = sb->s_root;  in devpts_pty_new()
638 	mutex_lock(&d_inode(root)->i_mutex);  in devpts_pty_new()
640 	dentry = d_alloc_name(root, s);  in devpts_pty_new()
643 		fsnotify_create(d_inode(root), dentry);  in devpts_pty_new()
649 	mutex_unlock(&d_inode(root)->i_mutex);  in devpts_pty_new()
689 	struct dentry *root = sb->s_root;  in devpts_pty_kill()  local
694 	mutex_lock(&d_inode(root)->i_mutex);  in devpts_pty_kill()
703 	mutex_unlock(&d_inode(root)->i_mutex);  in devpts_pty_kill()