On Tue, Apr 21 2009, Francis Moreau wrote: > On Mon, Apr 20, 2009 at 3:16 AM, Carl Henrik Lunde <chlunde@xxxxxxxxxxx> wrote: > > On Thu, Apr 9, 2009 at 20:49, Francis Moreau <francis.moro@xxxxxxxxx> wrote: > >> hello, > >> > >> I just took a look to fio source code (great tool BTW), and I'm > >> wondering about the fork_main() comment: > >> > >> /* > >> * We cannot pass the td data into a forked process, so attach the td > >> * and pass it to the thread worker. > >> */ > >> > >> Since after a fork(2) the child inherits the attached shared memory > >> segments from its parent, I don't see the point of this comment. > >> > >> Could anybody enlight me ? > > > > I think your observation is correct, this is not necessary, shmat in > > the child can be avoided. > > > > Should I send a patch ? Sure, provided you do testing of it as well ;-) -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html