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

[Christoph Hellwig]

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>