newjaddref
jaddref = newjaddref(ip, dp->i_number, DOTDOT_OFFSET,
jaddref = newjaddref(dp, ip->i_number, 0, ip->i_effnlink - 1,
dotaddref = newjaddref(ip, ip->i_number, DOT_OFFSET, 1,
dotdotaddref = newjaddref(ip, dp->i_number, DOTDOT_OFFSET,
jaddref = newjaddref(ip, newinum, 0, 0, mode);
static struct jaddref *newjaddref(struct inode *, ino_t, off_t, int16_t,