46 			   struct dentry *dentry, struct iattr *ia)  in debugfs_setattr()  argument
55 	return simple_setattr(&nop_mnt_idmap, dentry, ia);  in debugfs_setattr()
195 static int debugfs_show_options(struct seq_file *m, struct dentry *root)  in debugfs_show_options()
242 static void debugfs_release_dentry(struct dentry *dentry)  in debugfs_release_dentry()  argument
244 	struct debugfs_fsdata *fsd = dentry->d_fsdata;  in debugfs_release_dentry()
255 	struct inode *inode = path->dentry->d_inode;  in debugfs_automount()
257 	return DEBUGFS_I(inode)->automount(path->dentry, inode->i_private);  in debugfs_automount()
339 struct dentry *debugfs_lookup(const char *name, struct dentry *parent)  in debugfs_lookup()
341 	struct dentry *dentry;  in debugfs_lookup()  local
349 	dentry = lookup_positive_unlocked(name, parent, strlen(name));  in debugfs_lookup()
350 	if (IS_ERR(dentry))  in debugfs_lookup()
352 	return dentry;  in debugfs_lookup()
356 static struct dentry *start_creating(const char *name, struct dentry *parent)  in start_creating()
358 	struct dentry *dentry;  in start_creating()  local
389 		dentry = ERR_PTR(-ENOENT);  in start_creating()
391 		dentry = lookup_one_len(name, parent, strlen(name));  in start_creating()
392 	if (!IS_ERR(dentry) && d_really_is_positive(dentry)) {  in start_creating()
393 		if (d_is_dir(dentry))  in start_creating()
399 		dput(dentry);  in start_creating()
400 		dentry = ERR_PTR(-EEXIST);  in start_creating()
403 	if (IS_ERR(dentry)) {  in start_creating()
408 	return dentry;  in start_creating()
411 static struct dentry *failed_creating(struct dentry *dentry)  in failed_creating()  argument
413 	inode_unlock(d_inode(dentry->d_parent));  in failed_creating()
414 	dput(dentry);  in failed_creating()
419 static struct dentry *end_creating(struct dentry *dentry)  in end_creating()  argument
421 	inode_unlock(d_inode(dentry->d_parent));  in end_creating()
422 	return dentry;  in end_creating()
425 static struct dentry *__debugfs_create_file(const char *name, umode_t mode,  in __debugfs_create_file()
426 				struct dentry *parent, void *data,  in __debugfs_create_file()
431 	struct dentry *dentry;  in __debugfs_create_file()  local
437 	dentry = start_creating(name, parent);  in __debugfs_create_file()
439 	if (IS_ERR(dentry))  in __debugfs_create_file()
440 		return dentry;  in __debugfs_create_file()
443 		failed_creating(dentry);  in __debugfs_create_file()
447 	inode = debugfs_get_inode(dentry->d_sb);  in __debugfs_create_file()
451 		return failed_creating(dentry);  in __debugfs_create_file()
464 	d_instantiate(dentry, inode);  in __debugfs_create_file()
465 	fsnotify_create(d_inode(dentry->d_parent), dentry);  in __debugfs_create_file()
466 	return end_creating(dentry);  in __debugfs_create_file()
469 struct dentry *debugfs_create_file_full(const char *name, umode_t mode,  in debugfs_create_file_full()
470 					struct dentry *parent, void *data,  in debugfs_create_file_full()
480 struct dentry *debugfs_create_file_short(const char *name, umode_t mode,  in debugfs_create_file_short()
481 					struct dentry *parent, void *data,  in debugfs_create_file_short()
518 struct dentry *debugfs_create_file_unsafe(const char *name, umode_t mode,  in debugfs_create_file_unsafe()
519 				   struct dentry *parent, void *data,  in debugfs_create_file_unsafe()
549 			      struct dentry *parent, void *data,  in debugfs_create_file_size()
553 	struct dentry *de = debugfs_create_file(name, mode, parent, data, fops);  in debugfs_create_file_size()
584 struct dentry *debugfs_create_dir(const char *name, struct dentry *parent)  in debugfs_create_dir()
586 	struct dentry *dentry = start_creating(name, parent);  in debugfs_create_dir()  local
589 	if (IS_ERR(dentry))  in debugfs_create_dir()
590 		return dentry;  in debugfs_create_dir()
593 		failed_creating(dentry);  in debugfs_create_dir()
597 	inode = debugfs_get_inode(dentry->d_sb);  in debugfs_create_dir()
601 		return failed_creating(dentry);  in debugfs_create_dir()
610 	d_instantiate(dentry, inode);  in debugfs_create_dir()
611 	inc_nlink(d_inode(dentry->d_parent));  in debugfs_create_dir()
612 	fsnotify_mkdir(d_inode(dentry->d_parent), dentry);  in debugfs_create_dir()
613 	return end_creating(dentry);  in debugfs_create_dir()
628 struct dentry *debugfs_create_automount(const char *name,  in debugfs_create_automount()
629 					struct dentry *parent,  in debugfs_create_automount()
633 	struct dentry *dentry = start_creating(name, parent);  in debugfs_create_automount()  local
636 	if (IS_ERR(dentry))  in debugfs_create_automount()
637 		return dentry;  in debugfs_create_automount()
640 		failed_creating(dentry);  in debugfs_create_automount()
644 	inode = debugfs_get_inode(dentry->d_sb);  in debugfs_create_automount()
648 		return failed_creating(dentry);  in debugfs_create_automount()
657 	d_instantiate(dentry, inode);  in debugfs_create_automount()
658 	inc_nlink(d_inode(dentry->d_parent));  in debugfs_create_automount()
659 	fsnotify_mkdir(d_inode(dentry->d_parent), dentry);  in debugfs_create_automount()
660 	return end_creating(dentry);  in debugfs_create_automount()
687 struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,  in debugfs_create_symlink()
690 	struct dentry *dentry;  in debugfs_create_symlink()  local
696 	dentry = start_creating(name, parent);  in debugfs_create_symlink()
697 	if (IS_ERR(dentry)) {  in debugfs_create_symlink()
699 		return dentry;  in debugfs_create_symlink()
702 	inode = debugfs_get_inode(dentry->d_sb);  in debugfs_create_symlink()
707 		return failed_creating(dentry);  in debugfs_create_symlink()
712 	d_instantiate(dentry, inode);  in debugfs_create_symlink()
713 	return end_creating(dentry);  in debugfs_create_symlink()
717 static void __debugfs_file_removed(struct dentry *dentry)  in __debugfs_file_removed()  argument
728 	fsd = READ_ONCE(dentry->d_fsdata);  in __debugfs_file_removed()
771 			c->cancel(dentry, c->cancel_data);  in __debugfs_file_removed()
779 static void remove_one(struct dentry *victim)  in remove_one()
799 void debugfs_remove(struct dentry *dentry)  in debugfs_remove()  argument
801 	if (IS_ERR_OR_NULL(dentry))  in debugfs_remove()
805 	simple_recursive_removal(dentry, remove_one);  in debugfs_remove()
819 void debugfs_lookup_and_remove(const char *name, struct dentry *parent)  in debugfs_lookup_and_remove()
821 	struct dentry *dentry;  in debugfs_lookup_and_remove()  local
823 	dentry = debugfs_lookup(name, parent);  in debugfs_lookup_and_remove()
824 	if (!dentry)  in debugfs_lookup_and_remove()
827 	debugfs_remove(dentry);  in debugfs_lookup_and_remove()
828 	dput(dentry);  in debugfs_lookup_and_remove()
845 int __printf(2, 3) debugfs_change_name(struct dentry *dentry, const char *fmt, ...)  in debugfs_change_name()  argument
850 	struct dentry *parent, *target;  in debugfs_change_name()
854 	if (IS_ERR_OR_NULL(dentry))  in debugfs_change_name()
863 	parent = dget_parent(dentry);  in debugfs_change_name()
867 	take_dentry_name_snapshot(&old_name, dentry);  in debugfs_change_name()
869 	if (WARN_ON_ONCE(dentry->d_parent != parent)) {  in debugfs_change_name()
885 	simple_rename_timestamp(dir, dentry, dir, target);  in debugfs_change_name()
886 	d_move(dentry, target);  in debugfs_change_name()
888 	fsnotify_move(dir, dir, &old_name.name, d_is_dir(dentry), NULL, dentry);  in debugfs_change_name()