fs/sysfs/group.c

21 			 const struct attribute_group *grp)
26 	if (grp->attrs)
27 		for (attr = grp->attrs; *attr; attr++)
29 	if (grp->bin_attrs)
30 		for (bin_attr = grp->bin_attrs; *bin_attr; bin_attr++)
34 static umode_t __first_visible(const struct attribute_group *grp, struct kobject *kobj)
36 	if (grp->attrs && grp->attrs[0] && grp->is_visible)
37 		return grp->is_visible(kobj, grp->attrs[0], 0);
39 	if (grp->bin_attrs && grp->bin_attrs[0] && grp->is_bin_visible)
40 		return grp->is_bin_visible(kobj, grp->bin_attrs[0], 0);
47 			const struct attribute_group *grp, int update)
53 	if (grp->attrs) {
54 		for (i = 0, attr = grp->attrs; *attr && !error; i++, attr++) {
64 			if (grp->is_visible) {
65 				mode = grp->is_visible(kobj, *attr, i);
82 			remove_files(parent, grp);
87 	if (grp->bin_attrs) {
88 		for (i = 0, bin_attr = grp->bin_attrs; *bin_attr; i++, bin_attr++) {
94 			if (grp->is_bin_visible) {
95 				mode = grp->is_bin_visible(kobj, *bin_attr, i);
113 			remove_files(parent, grp);
121 				 const struct attribute_group *grp)
135 	if (!grp->attrs && !grp->bin_attrs) {
137 			 kobj->name, grp->name ?: "");
142 	if (grp->name) {
143 		umode_t mode = __first_visible(grp, kobj);
151 			kn = kernfs_find_and_get(kobj->sd, grp->name);
153 				pr_debug("attr grp %s/%s not created yet\n",
154 					 kobj->name, grp->name);
158 				sysfs_remove_group(kobj, grp);
167 			kn = kernfs_create_dir_ns(kobj->sd, grp->name, mode,
171 					sysfs_warn_dup(kobj->sd, grp->name);
180 	error = create_files(kn, kobj, uid, gid, grp, update);
182 		if (grp->name)
187 	if (grp->name && update)
196  * @grp:	The attribute group to create
204 		       const struct attribute_group *grp)
206 	return internal_create_group(kobj, 0, grp);
271  * @grp:	The attribute group to update
287 		       const struct attribute_group *grp)
289 	return internal_create_group(kobj, 1, grp);
296  * @grp:	group to remove
302 			const struct attribute_group *grp)
307 	if (grp->name) {
308 		kn = kernfs_find_and_get(parent, grp->name);
311 				 grp->name, kobject_name(kobj));
319 	remove_files(kn, grp);
320 	if (grp->name)
350  * @grp:	The files to create and the attribute group they belong to.
357 		       const struct attribute_group *grp)
366 	parent = kernfs_find_and_get(kobj->sd, grp->name);
372 	for ((i = 0, attr = grp->attrs); *attr && !error; (++i, ++attr))
388  * @grp:	The files to remove and the attribute group they belong to.
391 		       const struct attribute_group *grp)
396 	parent = kernfs_find_and_get(kobj->sd, grp->name);
398 		for (attr = grp->attrs; *attr; ++attr)
499 					  const struct attribute_group *grp,
505 	if (grp->attrs) {
508 		for (attr = grp->attrs; *attr; attr++) {
520 	if (grp->bin_attrs) {
523 		for (bin_attr = grp->bin_attrs; *bin_attr; bin_attr++) {
541  * @grp:	The attribute group.
548 			     const struct attribute_group *grp, kuid_t kuid,
562 	if (grp->name) {
563 		grp_kn = kernfs_find_and_get(kobj->sd, grp->name);
573 		error = sysfs_group_attrs_change_owner(grp_kn, grp, &newattrs);