Re: [PATCH] block: mq flush: fix race between IPI handler and mq flush worker

[Christoph Hellwig]

 On Tue, May 27, 2014 at 12:54:22PM -0600, Jens Axboe wrote:
> Space is plenty big again now... The down side is that the splice trick 
> wont work, but if we have more than a few requests on the requeue list, 
> we're doing it wrong anyway.

I don't see a problem with the splice.  How about this version (untested so
far)?