Re: [PATCH] [RFCv2] notify userspace about time changes

From: Kirill A. Shutemov
Date: Thu Aug 19 2010 - 04:36:18 EST


On Wed, Aug 18, 2010 at 09:09:37PM -0700, Greg KH wrote:
> On Wed, Aug 18, 2010 at 04:53:03PM -0700, Andrew Morton wrote:
> > Is sysfs the right interface for this thing? Bear in mind that
> > CONFIG_SYSFS does exist.
> >
> > > + fd = open("/sys/kernel/time_notify", O_WRONLY);
> > > + fdprintf(fd, "%d 1 0 1 1", efd);
> >
> > why not
> >
> > sys_time_notify(efd, 1, 0, 1, 1);
>
> Yeah, that would be much better than a sysfs file, this is abusing the
> sysfs interface quite a lot.

Do you really think, that increasing number of syscalls is better then
fs-based interfaces?

--
Kirill A. Shutemov
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