[CRIU] Re: [PATCH 2/5] fifo: Add checkpoint restore for fifos

[Cyrill Gorcunov]

On Tue, Jun 26, 2012 at 01:59:34PM +0400, Cyrill Gorcunov wrote:
> > 
> > Empty?! Don't we support fifo-s with data?
> 
> You miss the point, we use copy_file to copy contents of the file
> and fifo file itself is empty, the data associated with fifo is
> holding inside kernel buffers and we dump/restore contents of such
> buffers via tee/splice to fifo-data.img, but this data has nothing
> to do with fifo file itself :)

wait, it seems I was wrong, the kernel uses do_splice_direct so indeed
contents of the fifo should be dumped, i'll update the code, thanks!

	Cyrill