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=20 - filp->f_mode |=3D FMODE_NOWAIT; + filp->f_mode |=3D FMODE_NOWAIT | FMODE_BUF_RASYNC; =20 if (filp->f_flags & O_NDELAY) filp->f_mode |=3D FMODE_NDELAY; --=20 2.26.2