Date: Tue, 30 Jun 1998 15:34:44 -0700 From: Jason Thorpe <thorpej@nas.nasa.gov> To: Terry Lambert <tlambert@primenet.com> Cc: hackers@FreeBSD.ORG, mkn@emailbox.hdtv.lucent.com, freebsd-questions@FreeBSD.ORG Subject: Re: Unsupport calls Message-ID: <199806302234.PAA29470@lestat.nas.nasa.gov>
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On Tue, 30 Jun 1998 21:42:06 +0000 (GMT)
Terry Lambert <tlambert@primenet.com> wrote:
> > > fdatasync - no support in FreeBSD. Maybe not a big deal.
> >
> > Yes, I can't find it either, not even in the Solaris man pages. What
> > does it do?
>
> It is a Linux-ism having to do with syncing out the file data and
> not the file metadata.
No it is NOT an Linux-ism. From the NetBSD fdatasync(2) manual page:
STANDARDS
The fdatasync() function conforms to IEEE Std1003.1b-1993 (``POSIX'').
This is in NetBSD-current, and will be in the NetBSD 1.4 release.
> The FreeBSD equivalent is fsync(), since you have no choice on the
> metadata, since FreeBSD obeys the POSIX semantics (which require
> metadata updates to occur).
You're a bit out of date.
Jason R. Thorpe thorpej@nas.nasa.gov
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