Re: [PATCH 00/13] cross rename v4

[Miklos Szeredi]

On Thu, Feb 13, 2014 at 03:54:14PM +0000, David Howells wrote:
> 
> If we're going to be adding a new rename inode op, can we make it take a flag
> to white out the source for union type things?  This would mean that
> rename-and-white-out can be done atomically.

That is an option, yes.

Regarding whiteouts, I raised a couple of questions that nobody answered yet, so
let me ask again.

- If a filesystem containing whiteouts (fallthroughs, etc...) is mounted as not
part of a union, how are these special entities represented to userspace?

- Can the user remove them?

Thanks,
Miklos

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