EXT4_S_ERR_START
#define EXT4_S_ERR_LEN (EXT4_S_ERR_END - EXT4_S_ERR_START)
EXT4_S_ERR_START, EXT4_S_ERR_LEN);
if (save && memcmp(((char *) es) + EXT4_S_ERR_START,
memcpy(((char *) es) + EXT4_S_ERR_START,