[PATCH] xfs: lobotomise xfs_trans_read_buf_map()

[Christoph Hellwig]

On Wed, Dec 03, 2014 at 09:45:18AM +1100, Dave Chinner wrote:
> > Can you fix the inconsistent return for the trylock case in a follow on
> > patch?  This difference doesn't look intentional to me, and I would
> > be surprised if it's correctly handled in the callers.
> 
> Ok, I'll do an audit and make this common in a follow up patch. Just
> to confirm:
> 
> 		if (!(flags & XBF_TRYLOCK))
> 			return -ENOMEM;
> 		return -EAGAIN;
> 
> is what you want to see, right?

Yes.