chfs_write_wbuf
int chfs_write_wbuf(struct chfs_mount*,
ret = chfs_write_wbuf(chmp, &vec, 1, nref->nref_offset, &retlen);
ret = chfs_write_wbuf(chmp, &vec, 1, ofs, &retlen);
err = chfs_write_wbuf(chmp, &vec, 1, nref->nref_offset, &retlen);
err = chfs_write_wbuf(chmp, vec, 2, nref->nref_offset, &retlen);
err = chfs_write_wbuf(chmp, vec, 2, nref->nref_offset, &retlen);