kernfs_find_and_get
kn = kernfs_find_and_get(policy->kobj.sd, throttle_attr_grp.name);
mon_kn = kernfs_find_and_get(kn_info, name);
kn_config = kernfs_find_and_get(l3_mon_kn, "mbm_total_bytes_config");
kn_config = kernfs_find_and_get(l3_mon_kn, "mbm_local_bytes_config");
kn = kernfs_find_and_get(pkn, name);
kn = kernfs_find_and_get(parent_kn, name);
kn = kernfs_find_and_get(kn, dir);
tmp = kernfs_find_and_get(kn, attr);
parent = kernfs_find_and_get(kobj->sd, group);
kn = kernfs_find_and_get(kobj->sd, attr->name);
kn = kernfs_find_and_get(kobj->sd, attr->name);
kn = kernfs_find_and_get(parent, attr->name);
parent = kernfs_find_and_get(kobj->sd, group);
kn = kernfs_find_and_get(kobj->sd, name);
kn = kernfs_find_and_get(kobj->sd, grp->name);
kn = kernfs_find_and_get(parent, grp->name);
parent = kernfs_find_and_get(kobj->sd, grp->name);
parent = kernfs_find_and_get(kobj->sd, grp->name);
parent = kernfs_find_and_get(kobj->sd, group_name);
parent = kernfs_find_and_get(kobj->sd, group_name);
entry = kernfs_find_and_get(target, target_name);
kn = kernfs_find_and_get(grp_kn, (*attr)->name);
kn = kernfs_find_and_get(grp_kn, (*bin_attr)->attr.name);
grp_kn = kernfs_find_and_get(kobj->sd, grp->name);
return kernfs_find_and_get(parent, name);