chfs_erase_info_priv
struct chfs_erase_info_priv *priv = (void *) ei->ei_priv;
+ sizeof(struct chfs_erase_info_priv), KM_SLEEP);
((struct chfs_erase_info_priv *) ei->ei_priv)->ebh = ebh;
((struct chfs_erase_info_priv *) ei->ei_priv)->peb = peb;