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Re: beginners project: RENAME_EXCHANGE

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: beginners project: RENAME_EXCHANGE
From: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Date: Tue, 23 Sep 2014 00:43:52 -0300
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20140922173545.GA20308@xxxxxxxxxxxxx>
Mail-followup-to: Christoph Hellwig <hch@xxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
References: <20140922173545.GA20308@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
Hi, for some time I don't work on anything upstream due being very busy with
another stuff, I'm interested in take this project if nobody has objections

On Mon, Sep 22, 2014 at 10:35:45AM -0700, Christoph Hellwig wrote:
> As people are looking for beginners projects one in a while there's
> an easy one at the moment:  implement support for the RENAME_EXCHANGE
> flag to the renameat2 system call, which swaps the names for two
> existing files.  Documentation here:
> http://man7.org/linux/man-pages/man2/rename.2.html
> This should mostly be doable by refactoring (or more likely copy &
> pasting) the existing rename implementation.  xfstests already has test
> case for it, although making sure they covering everything would be a
> nice extrea.
> (if no one replies to the list I will add it to the wiki after a while)
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