On Sat, Aug 10, 2019 at 09:22:09AM +1000, Dave Chinner wrote:
> On Fri, Aug 09, 2019 at 03:58:22PM -0700, ira.we...@intel.com wrote:
> > From: Ira Weiny <ira.we...@intel.com>
> > 
> > If pages are under a lease fail the truncate operation.  We change the 
> > order of
> > lease breaks to directly fail the operation if the lease exists.
> > 
> > Select EXPORT_BLOCK_OPS for FS_DAX to ensure that xfs_break_lease_layouts() 
> > is
> > defined for FS_DAX as well as pNFS.
> > 
> > Signed-off-by: Ira Weiny <ira.we...@intel.com>
> > ---
> >  fs/Kconfig        | 1 +
> >  fs/xfs/xfs_file.c | 5 +++--
> >  2 files changed, 4 insertions(+), 2 deletions(-)
> > 
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index 14cd4abdc143..c10b91f92528 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -48,6 +48,7 @@ config FS_DAX
> >     select DEV_PAGEMAP_OPS if (ZONE_DEVICE && !FS_DAX_LIMITED)
> >     select FS_IOMAP
> >     select DAX
> > +   select EXPORTFS_BLOCK_OPS
> >     help
> >       Direct Access (DAX) can be used on memory-backed block devices.
> >       If the block device supports DAX and the filesystem supports DAX,
> 
> That looks wrong.

It may be...

>
> If you require xfs_break_lease_layouts() outside
> of pnfs context, then move the function in the XFS code base to a
> file that is built in. It's only external dependency is on the
> break_layout() function, and XFS already has other unconditional
> direct calls to break_layout()...

I'll check.  This patch was part of the original series and I must admit I
don't remember why I did it this way...

Thanks,
Ira

> 
> Cheers,
> 
> Dave.
> -- 
> Dave Chinner
> da...@fromorbit.com
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