[PATCH v2] xfs: abstract block export operations from nfsd layouts

[J. Bruce Fields]

On Sun, Jul 10, 2016 at 11:45:40AM +0200, Christoph Hellwig wrote:
> On Fri, Jul 08, 2016 at 09:53:20AM -0400, Benjamin Coddington wrote:
> > Instead of creeping pnfs layout configuration into filesystems, move the
> > definition of block-based export operations under a more abstract
> > configuration.
> > 
> > Changes from v1:
> > 	- dropped the first patch in the first posting
> > 	- renamed the config to EXPORTFS_BLOCK_OPS from BLOCK_EXPORT_OPS
> > 	- add an explicit default to no for EXPORTFS_BLOCK_OPS
> > 	- add some help and menu text
> > 
> > Signed-off-by: Benjamin Coddington <bcodding at redhat.com>
> > ---
> >  fs/Kconfig          | 7 +++++++
> >  fs/nfsd/Kconfig     | 2 ++
> >  fs/xfs/Makefile     | 3 +--
> >  fs/xfs/xfs_export.c | 2 +-
> >  fs/xfs/xfs_pnfs.h   | 4 ++--
> >  5 files changed, 13 insertions(+), 5 deletions(-)
> > 
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index 6725f59c18e6..ac6d3b36600c 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -66,6 +66,13 @@ config FS_POSIX_ACL
> >  config EXPORTFS
> >  	tristate
> >  
> > +config EXPORTFS_BLOCK_OPS
> > +	bool "Enable filesystem export operations for block IO"
> > +	default n
> 
> default n is the default, no need to add it.
> 
> Otherwise looks fine:
> 
> Reviewed-by: Christoph Hellwig <hch at lst.de>

Thanks.  Applied, with that one "default n" line dropped.

An ACK from Dave might also help reassure Linus I'm not stepping on
anybody's toes.

--b.