[CRIU] [PATCH] pre-dump: avoid sleeping in the open() syscall

[Cyrill Gorcunov]

On Wed, Mar 12, 2014 at 02:43:24PM +0400, Andrey Vagin wrote:
> For example opening the FIFO blocks until the other end is opened also.
> 
> We can use O_PATH to avoid sleeping in the open() call.
> 
> Signed-off-by: Andrey Vagin <avagin at openvz.org>

Since we need this action for fetching data for irmap only this looks fine.
But I wonder which exactly fd caused to hang?