[PATCH 1/2] nvmet_fc: add defer_req callback for deferment of cmd buffer return

[Christoph Hellwig]

On Thu, Aug 10, 2017 at 11:06:04AM +0200, Christoph Hellwig wrote:
> > @@ -463,9 +472,9 @@ static struct nvmet_fc_fcp_iod *
> >  nvmet_fc_alloc_fcp_iod(struct nvmet_fc_tgt_queue *queue)
> >  {
> >  	static struct nvmet_fc_fcp_iod *fod;
> 
> This isn't new, but is this really supposed to be a static variable,
> that is all instances of this code sharing it use the same?
> 
> After a short code inspection this looks like a nasty bug to me.

James, can you look into this asap?