It would probably help to add the glibc list as the glibc developers might know better.. On Sat, Apr 15, 2017 at 04:24:29PM +0000, Stephen Bates wrote: > Hi > > Does anyone know the status of support for the pwritev2/preadv2 system calls in glibc? I am doing some more IO polling testing and realized that the support is not in 2.25 and does not seem to be staged for later release? > > Right now I am using the FIO_HAVE_PWRITEV2 support that fio provides but it’d be nice to be able to write/adapt other user-space programs to test this capability… > > Stephen > > ---end quoted text---