Re: [PATCH v6 12/15] xfs: require mmap lock for xfs_break_layouts()

[Christoph Hellwig]

On Mon, Mar 19, 2018 at 01:10:52PM -0700, Dan Williams wrote:
> On Mon, Mar 19, 2018 at 12:45 PM, Christoph Hellwig <hch@xxxxxx> wrote:
> > On Mon, Mar 19, 2018 at 10:57:55AM -0700, Dan Williams wrote:
> >> I don't see anything to adapt with respect to mmap locks since reflink
> >> and dax are mutually exclusive.
> >
> > For now.  I'll change that pretty soon.
> 
> Right, so which patch set will be staged first? This one or the one
> that causes us to consider reflink vs dax locking?

Given that I haven't even posted the reflink+DAX support (not fixed
all issues with it) I'm pretty sure you'll be faster :)