linux-kernel - Re: [Ocfs2-devel] [GIT PULL] ocfs2 changes for 2.6.32

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Message-ID: <20090918183926.GB8551@mail.oracle.com>
Date:	Fri, 18 Sep 2009 11:39:26 -0700
From:	Joel Becker <Joel.Becker@...cle.com>
To:	"Peter W. Morreale" <pmorreale@...ell.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Mark Fasheh <mfasheh@...e.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ocfs2-devel@....oracle.com
Subject: Re: [Ocfs2-devel] [GIT PULL] ocfs2 changes for 2.6.32

On Fri, Sep 18, 2009 at 11:23:33AM -0600, Peter W. Morreale wrote:
> On Thu, 2009-09-17 at 18:43 -0700, Joel Becker wrote:
> > On Thu, Sep 17, 2009 at 09:29:14AM -0700, Linus Torvalds wrote:
> > > Why would anybody want to hide it at all? Why even the libc hiding?
> > > 
> > > Nobody is going to use this except for special apps. Let them see what 
> > > they can do, in all its glory. 
> > 
> > 	I expect everyone will use this through cp(1), so that cp(1) can
> > try to get server-side copy on the network filesystms.
> > 	Speaking of "all its glory", what we have now is:
> > 
> > int sys_copyfileat(int oldfd, const char *oldname, int newfd,
> >                    const char *newname, int flags, int atflags)
> 
> 
> Would it be worthwhile to consider adding an offset and length?  
> 
> Then we get dd as well. (potentially) 

	I'm with Linus that a range attribute really makes this
complicated.  I also think it doesn't work well with a call that is
supposed to create newname.

Joel

-- 

	Pitchers and catchers report.

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker@...cle.com
Phone: (650) 506-8127
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