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Date: Fri, 4 May 2018 11:29:53 -0700
From: Omar Sandoval <osandov@osandov.com>
To: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>, linux-fsdevel@vger.kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-api@vger.kernel.org, kernel-team@fb.com,
        Xi Wang <xi@cs.washington.edu>
Subject: Re: [RFC PATCH v3 0/2] fs: add AT_REPLACE flag for linkat()
Message-ID: <20180504182953.GC26037@vader>
References: <cover.1524549513.git.osandov@fb.com>
 <ba06a3ff-6569-749f-cbc5-f597db65d347@gmail.com>
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On Fri, Apr 27, 2018 at 02:00:39PM +0200, Michael Kerrisk (man-pages) wrote:
> Hello Omar,
> 
> On 04/24/2018 08:19 AM, Omar Sandoval wrote:
> > From: Omar Sandoval <osandov@fb.com>
> > 
> > Hi, Al,
> > 
> > This is a respin of my linkat() AT_REPLACE series, previously posted
> > here:
> > 
> > https://patchwork.kernel.org/patch/9636735/
> > https://patchwork.kernel.org/patch/9636733/
> > 
> > There are no changes since v2, only a rebase onto v4.17-rc2 and some
> > minor additions to the commit messages.
> > 
> > The goal is to allow for updating a file atomically in-place with an
> > O_TMPFILE like so:
> > 
> > - open temporary file with O_TMPFILE
> > - write temporary file contents
> > - fsync temporary file
> > - atomically replace permanent location with the temporary file
> > - fsync parent directory
> 
> Could we have an example program with the next revision please,
> perhaps as part of the commit message?
> 
> And, please also some text suitable for inclusion in the linkat(2)
> manual page.
> 
> Thanks,
> 
> Michael

Yes, I'll do that.