From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Kerrisk Subject: Re: [PATCH 1/3] fs: Document the reflink(2) system call. Date: Mon, 4 May 2009 18:36:58 +1200 Message-ID: References: <1241331303-23753-1-git-send-email-joel.becker@oracle.com> <1241331303-23753-2-git-send-email-joel.becker@oracle.com> <20090503080112.GA27287@infradead.org> <20090504024612.GB24653@mail.oracle.com> Reply-To: mtk.manpages@gmail.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE To: Christoph Hellwig , linux-fsdevel@vger.kernel.org, jmorris@namei.org, ocfs2-devel@oss.oracle.com, viro@zeniv.linux.org.uk, mtk.manpages@gmail.com Return-path: Received: from mail-qy0-f196.google.com ([209.85.221.196]:47978 "EHLO mail-qy0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751590AbZEDGg6 convert rfc822-to-8bit (ORCPT ); Mon, 4 May 2009 02:36:58 -0400 Received: by qyk34 with SMTP id 34so5400412qyk.33 for ; Sun, 03 May 2009 23:36:58 -0700 (PDT) In-Reply-To: <20090504024612.GB24653@mail.oracle.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Mon, May 4, 2009 at 2:46 PM, Joel Becker wr= ote: > On Sun, May 03, 2009 at 04:01:12AM -0400, Christoph Hellwig wrote: >> On Sat, May 02, 2009 at 11:15:01PM -0700, Joel Becker wrote: >> > int reflink(const char *oldpath, const char *newpath); >> > >> > The reflink(2) system call creates reference-counted links. =A0It = creates >> > a new file that shares the data extents of the source file in a >> > copy-on-write fashion. =A0Its calling semantics are identical to l= ink(2). >> > Once complete, programs see the new file as a completely separate = entry. >> >> Just send this as a manpage to Michael, no need to duplicate a >> pseudo-manpage in the kernel tree. > > =A0 =A0 =A0 =A0The manpage style was just a convenient way to organiz= e my > thoughts. =A0The goal was to document the behavior of reflink() for > implementors. =A0If the pseudo-manpage doesn't work, perhaps I'll try= some > other form. So, I'm late to this thread. Is reflink() (to be) a user-visible sysca= ll? Cheers, Michael --=20 Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ git://git.kernel.org/pub/scm/docs/man-pages/man-pages.git man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html =46ound a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel= " in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html