Z_EROFS_INLINE_BVECS
z_erofs_bvec_iter_begin(&biter, &pcl->bvset, Z_EROFS_INLINE_BVECS, 0);
__Z_EROFS_BVSET(z_erofs_bvset_inline, Z_EROFS_INLINE_BVECS);
Z_EROFS_INLINE_BVECS, fe->pcl->vcnt);