317 static struct dentry *start_creating(const char *name, struct dentry *parent)  in start_creating()  argument
334 	if (!parent)  in start_creating()
335 		parent = tracefs_mount->mnt_root;  in start_creating()
337 	mutex_lock(&parent->d_inode->i_mutex);  in start_creating()
338 	dentry = lookup_one_len(name, parent, strlen(name));  in start_creating()
345 		mutex_unlock(&parent->d_inode->i_mutex);  in start_creating()
393 				   struct dentry *parent, void *data,  in tracefs_create_file()  argument
402 	dentry = start_creating(name, parent);  in tracefs_create_file()
419 static struct dentry *__create_dir(const char *name, struct dentry *parent,  in __create_dir()  argument
422 	struct dentry *dentry = start_creating(name, parent);  in __create_dir()
461 struct dentry *tracefs_create_dir(const char *name, struct dentry *parent)  in tracefs_create_dir()  argument
463 	return __create_dir(name, parent, &simple_dir_inode_operations);  in tracefs_create_dir()
483 struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *parent,  in tracefs_create_instance_dir()  argument
493 	dentry = __create_dir(name, parent, &tracefs_dir_inode_operations);  in tracefs_create_instance_dir()
503 static int __tracefs_remove(struct dentry *dentry, struct dentry *parent)  in __tracefs_remove()  argument
512 				ret = simple_rmdir(parent->d_inode, dentry);  in __tracefs_remove()
515 				simple_unlink(parent->d_inode, dentry);  in __tracefs_remove()
537 	struct dentry *parent;  in tracefs_remove()  local
543 	parent = dentry->d_parent;  in tracefs_remove()
544 	if (!parent || !parent->d_inode)  in tracefs_remove()
547 	mutex_lock(&parent->d_inode->i_mutex);  in tracefs_remove()
548 	ret = __tracefs_remove(dentry, parent);  in tracefs_remove()
549 	mutex_unlock(&parent->d_inode->i_mutex);  in tracefs_remove()
564 	struct dentry *child, *parent;  in tracefs_remove_recursive()  local
569 	parent = dentry->d_parent;  in tracefs_remove_recursive()
570 	if (!parent || !parent->d_inode)  in tracefs_remove_recursive()
573 	parent = dentry;  in tracefs_remove_recursive()
575 	mutex_lock(&parent->d_inode->i_mutex);  in tracefs_remove_recursive()
582 	spin_lock(&parent->d_lock);  in tracefs_remove_recursive()
583 	list_for_each_entry(child, &parent->d_subdirs, d_child) {  in tracefs_remove_recursive()
589 			spin_unlock(&parent->d_lock);  in tracefs_remove_recursive()
590 			mutex_unlock(&parent->d_inode->i_mutex);  in tracefs_remove_recursive()
591 			parent = child;  in tracefs_remove_recursive()
595 		spin_unlock(&parent->d_lock);  in tracefs_remove_recursive()
597 		if (!__tracefs_remove(child, parent))  in tracefs_remove_recursive()
609 	spin_unlock(&parent->d_lock);  in tracefs_remove_recursive()
611 	mutex_unlock(&parent->d_inode->i_mutex);  in tracefs_remove_recursive()
612 	child = parent;  in tracefs_remove_recursive()
613 	parent = parent->d_parent;  in tracefs_remove_recursive()
614 	mutex_lock(&parent->d_inode->i_mutex);  in tracefs_remove_recursive()
620 	if (!__tracefs_remove(child, parent))  in tracefs_remove_recursive()
622 	mutex_unlock(&parent->d_inode->i_mutex);  in tracefs_remove_recursive()