34 static int create_files(struct kernfs_node *parent, struct kobject *kobj,  in create_files()  argument
54 				mode = grp->is_visible(kobj, *attr, i);  in create_files()
83 				mode = grp->is_bin_visible(kobj, *bin_attr, i);  in create_files()
108 static int internal_create_group(struct kobject *kobj, int update,  in internal_create_group()  argument
116 	if (WARN_ON(!kobj || (!update && !kobj->sd)))  in internal_create_group()
120 	if (unlikely(update && !kobj->sd))  in internal_create_group()
124 			kobj->name, grp->name ?: "");  in internal_create_group()
127 	kobject_get_ownership(kobj, &uid, &gid);  in internal_create_group()
130 			kn = kernfs_find_and_get(kobj->sd, grp->name);  in internal_create_group()
133 					kobj->name, grp->name);  in internal_create_group()
137 			kn = kernfs_create_dir_ns(kobj->sd, grp->name,  in internal_create_group()
139 						  uid, gid, kobj, NULL);  in internal_create_group()
142 					sysfs_warn_dup(kobj->sd, grp->name);  in internal_create_group()
147 		kn = kobj->sd;  in internal_create_group()
149 	error = create_files(kn, kobj, uid, gid, grp, update);  in internal_create_group()
172 int sysfs_create_group(struct kobject *kobj,  in sysfs_create_group()  argument
175 	return internal_create_group(kobj, 0, grp);  in sysfs_create_group()
179 static int internal_create_groups(struct kobject *kobj, int update,  in internal_create_groups()  argument
189 		error = internal_create_group(kobj, update, groups[i]);  in internal_create_groups()
192 				sysfs_remove_group(kobj, groups[i]);  in internal_create_groups()
212 int sysfs_create_groups(struct kobject *kobj,  in sysfs_create_groups()  argument
215 	return internal_create_groups(kobj, 0, groups);  in sysfs_create_groups()
230 int sysfs_update_groups(struct kobject *kobj,  in sysfs_update_groups()  argument
233 	return internal_create_groups(kobj, 1, groups);  in sysfs_update_groups()
255 int sysfs_update_group(struct kobject *kobj,  in sysfs_update_group()  argument
258 	return internal_create_group(kobj, 1, grp);  in sysfs_update_group()
270 void sysfs_remove_group(struct kobject *kobj,  in sysfs_remove_group()  argument
273 	struct kernfs_node *parent = kobj->sd;  in sysfs_remove_group()
281 			     grp->name, kobject_name(kobj));  in sysfs_remove_group()
305 void sysfs_remove_groups(struct kobject *kobj,  in sysfs_remove_groups()  argument
313 		sysfs_remove_group(kobj, groups[i]);  in sysfs_remove_groups()
326 int sysfs_merge_group(struct kobject *kobj,  in sysfs_merge_group()  argument
336 	parent = kernfs_find_and_get(kobj->sd, grp->name);  in sysfs_merge_group()
340 	kobject_get_ownership(kobj, &uid, &gid);  in sysfs_merge_group()
360 void sysfs_unmerge_group(struct kobject *kobj,  in sysfs_unmerge_group()  argument
366 	parent = kernfs_find_and_get(kobj->sd, grp->name);  in sysfs_unmerge_group()
382 int sysfs_add_link_to_group(struct kobject *kobj, const char *group_name,  in sysfs_add_link_to_group()  argument
388 	parent = kernfs_find_and_get(kobj->sd, group_name);  in sysfs_add_link_to_group()
405 void sysfs_remove_link_from_group(struct kobject *kobj, const char *group_name,  in sysfs_remove_link_from_group()  argument
410 	parent = kernfs_find_and_get(kobj->sd, group_name);  in sysfs_remove_link_from_group()
427 int compat_only_sysfs_link_entry_to_kobj(struct kobject *kobj,  in compat_only_sysfs_link_entry_to_kobj()  argument
458 	link = kernfs_create_link(kobj->sd, symlink_name, entry);  in compat_only_sysfs_link_entry_to_kobj()
460 		sysfs_warn_dup(kobj->sd, symlink_name);  in compat_only_sysfs_link_entry_to_kobj()
517 int sysfs_group_change_owner(struct kobject *kobj,  in sysfs_group_change_owner()  argument
529 	if (!kobj->state_in_sysfs)  in sysfs_group_change_owner()
533 		grp_kn = kernfs_find_and_get(kobj->sd, grp->name);  in sysfs_group_change_owner()
535 		kernfs_get(kobj->sd);  in sysfs_group_change_owner()
536 		grp_kn = kobj->sd;  in sysfs_group_change_owner()
560 int sysfs_groups_change_owner(struct kobject *kobj,  in sysfs_groups_change_owner()  argument
566 	if (!kobj->state_in_sysfs)  in sysfs_groups_change_owner()
573 		error = sysfs_group_change_owner(kobj, groups[i], kuid, kgid);  in sysfs_groups_change_owner()