linux-kernel - Re: [PATCH 6/6] vfs: add LOOKUP_RENAME

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Date:	Wed, 15 Oct 2008 15:37:16 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:	viro@...iv.linux.org.uk, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, bnaujok@....com
Subject: Re: [PATCH 6/6] vfs: add LOOKUP_RENAME_NEW intent

On Wed, Oct 15, 2008 at 10:58:11PM +0900, OGAWA Hirofumi wrote:
> 
> This adds LOOKUP_RENAME_NEW intent for lookup of rename destination.
> 
> LOOKUP_RENAME_NEW is going to be used like LOOKUP_CREATE. But since
> the destination of rename() can be existing directory entry, so it has a
> difference. Although that difference doesn't matter in my usage, this
> tells it to user of this intent.

Is this for handling CI rename properly?  Barry was looking into this,
but i told him to hold off for a while - the lookup code is changing
quite a bit because Al is trying to sort out the lookup intent mess and
we hopefully will stop passing the nameidata to ->lookup soon.

Also I think LOOKUP_RENAME_TARGET might be a little more descriptive
than LOOKUP_RENAME_NEW.

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