46 			   struct dentry *dentry, struct iattr *ia)  in debugfs_setattr()  argument
55 	return simple_setattr(&nop_mnt_idmap, dentry, ia);  in debugfs_setattr()
198 static int debugfs_show_options(struct seq_file *m, struct dentry *root)  in debugfs_show_options()
245 static void debugfs_release_dentry(struct dentry *dentry)  in debugfs_release_dentry()  argument
247 	struct debugfs_fsdata *fsd = dentry->d_fsdata;  in debugfs_release_dentry()
258 	struct inode *inode = path->dentry->d_inode;  in debugfs_automount()
260 	return DEBUGFS_I(inode)->automount(path->dentry, inode->i_private);  in debugfs_automount()
345 struct dentry *debugfs_lookup(const char *name, struct dentry *parent)  in debugfs_lookup()
347 	struct dentry *dentry;  in debugfs_lookup()  local
355 	dentry = lookup_noperm_positive_unlocked(&QSTR(name), parent);  in debugfs_lookup()
356 	if (IS_ERR(dentry))  in debugfs_lookup()
358 	return dentry;  in debugfs_lookup()
362 static struct dentry *debugfs_start_creating(const char *name,  in debugfs_start_creating()
363 					     struct dentry *parent)  in debugfs_start_creating()
365 	struct dentry *dentry;  in debugfs_start_creating()  local
394 	dentry = simple_start_creating(parent, name);  in debugfs_start_creating()
395 	if (IS_ERR(dentry)) {  in debugfs_start_creating()
396 		if (dentry == ERR_PTR(-EEXIST))  in debugfs_start_creating()
400 	return dentry;  in debugfs_start_creating()
403 static struct dentry *debugfs_failed_creating(struct dentry *dentry)  in debugfs_failed_creating()  argument
405 	simple_done_creating(dentry);  in debugfs_failed_creating()
410 static struct dentry *debugfs_end_creating(struct dentry *dentry)  in debugfs_end_creating()  argument
412 	simple_done_creating(dentry);  in debugfs_end_creating()
413 	return dentry; // borrowed  in debugfs_end_creating()
416 static struct dentry *__debugfs_create_file(const char *name, umode_t mode,  in __debugfs_create_file()
417 				struct dentry *parent, void *data,  in __debugfs_create_file()
422 	struct dentry *dentry;  in __debugfs_create_file()  local
428 	dentry = debugfs_start_creating(name, parent);  in __debugfs_create_file()
430 	if (IS_ERR(dentry))  in __debugfs_create_file()
431 		return dentry;  in __debugfs_create_file()
433 	inode = debugfs_get_inode(dentry->d_sb);  in __debugfs_create_file()
437 		return debugfs_failed_creating(dentry);  in __debugfs_create_file()
450 	d_make_persistent(dentry, inode);  in __debugfs_create_file()
451 	fsnotify_create(d_inode(dentry->d_parent), dentry);  in __debugfs_create_file()
452 	return debugfs_end_creating(dentry);  in __debugfs_create_file()
455 struct dentry *debugfs_create_file_full(const char *name, umode_t mode,  in debugfs_create_file_full()
456 					struct dentry *parent, void *data,  in debugfs_create_file_full()
466 struct dentry *debugfs_create_file_short(const char *name, umode_t mode,  in debugfs_create_file_short()
467 					struct dentry *parent, void *data,  in debugfs_create_file_short()
504 struct dentry *debugfs_create_file_unsafe(const char *name, umode_t mode,  in debugfs_create_file_unsafe()
505 				   struct dentry *parent, void *data,  in debugfs_create_file_unsafe()
535 			      struct dentry *parent, void *data,  in debugfs_create_file_size()
539 	struct dentry *de = debugfs_create_file(name, mode, parent, data, fops);  in debugfs_create_file_size()
570 struct dentry *debugfs_create_dir(const char *name, struct dentry *parent)  in debugfs_create_dir()
572 	struct dentry *dentry = debugfs_start_creating(name, parent);  in debugfs_create_dir()  local
575 	if (IS_ERR(dentry))  in debugfs_create_dir()
576 		return dentry;  in debugfs_create_dir()
578 	inode = debugfs_get_inode(dentry->d_sb);  in debugfs_create_dir()
582 		return debugfs_failed_creating(dentry);  in debugfs_create_dir()
591 	d_make_persistent(dentry, inode);  in debugfs_create_dir()
592 	inc_nlink(d_inode(dentry->d_parent));  in debugfs_create_dir()
593 	fsnotify_mkdir(d_inode(dentry->d_parent), dentry);  in debugfs_create_dir()
594 	return debugfs_end_creating(dentry);  in debugfs_create_dir()
609 struct dentry *debugfs_create_automount(const char *name,  in debugfs_create_automount()
610 					struct dentry *parent,  in debugfs_create_automount()
614 	struct dentry *dentry = debugfs_start_creating(name, parent);  in debugfs_create_automount()  local
617 	if (IS_ERR(dentry))  in debugfs_create_automount()
618 		return dentry;  in debugfs_create_automount()
620 	inode = debugfs_get_inode(dentry->d_sb);  in debugfs_create_automount()
624 		return debugfs_failed_creating(dentry);  in debugfs_create_automount()
633 	d_make_persistent(dentry, inode);  in debugfs_create_automount()
634 	inc_nlink(d_inode(dentry->d_parent));  in debugfs_create_automount()
635 	fsnotify_mkdir(d_inode(dentry->d_parent), dentry);  in debugfs_create_automount()
636 	return debugfs_end_creating(dentry);  in debugfs_create_automount()
663 struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,  in debugfs_create_symlink()
666 	struct dentry *dentry;  in debugfs_create_symlink()  local
672 	dentry = debugfs_start_creating(name, parent);  in debugfs_create_symlink()
673 	if (IS_ERR(dentry)) {  in debugfs_create_symlink()
675 		return dentry;  in debugfs_create_symlink()
678 	inode = debugfs_get_inode(dentry->d_sb);  in debugfs_create_symlink()
683 		return debugfs_failed_creating(dentry);  in debugfs_create_symlink()
688 	d_make_persistent(dentry, inode);  in debugfs_create_symlink()
689 	return debugfs_end_creating(dentry);  in debugfs_create_symlink()
693 static void __debugfs_file_removed(struct dentry *dentry)  in __debugfs_file_removed()  argument
704 	fsd = READ_ONCE(dentry->d_fsdata);  in __debugfs_file_removed()
747 			c->cancel(dentry, c->cancel_data);  in __debugfs_file_removed()
755 static void remove_one(struct dentry *victim)  in remove_one()
775 void debugfs_remove(struct dentry *dentry)  in debugfs_remove()  argument
777 	if (IS_ERR_OR_NULL(dentry))  in debugfs_remove()
781 	simple_recursive_removal(dentry, remove_one);  in debugfs_remove()
795 void debugfs_lookup_and_remove(const char *name, struct dentry *parent)  in debugfs_lookup_and_remove()
797 	struct dentry *dentry;  in debugfs_lookup_and_remove()  local
799 	dentry = debugfs_lookup(name, parent);  in debugfs_lookup_and_remove()
800 	if (!dentry)  in debugfs_lookup_and_remove()
803 	debugfs_remove(dentry);  in debugfs_lookup_and_remove()
804 	dput(dentry);  in debugfs_lookup_and_remove()
821 int __printf(2, 3) debugfs_change_name(struct dentry *dentry, const char *fmt, ...)  in debugfs_change_name()  argument
826 	struct dentry *target;  in debugfs_change_name()
831 	if (IS_ERR_OR_NULL(dentry))  in debugfs_change_name()
840 	rd.old_parent = dget_parent(dentry);  in debugfs_change_name()
849 	error = start_renaming_two_dentries(&rd, dentry, target);  in debugfs_change_name()
851 		if (error == -EEXIST && target == dentry)  in debugfs_change_name()
858 	take_dentry_name_snapshot(&old_name, dentry);  in debugfs_change_name()
859 	simple_rename_timestamp(dir, dentry, dir, rd.new_dentry);  in debugfs_change_name()
860 	d_move(dentry, rd.new_dentry);  in debugfs_change_name()
861 	fsnotify_move(dir, dir, &old_name.name, d_is_dir(dentry), NULL, dentry);  in debugfs_change_name()