Re: [PATCH 2/2] xfs: abstract block export operations from nfsd layouts

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On Thu, Jul 07, 2016 at 07:02:32AM -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.
> 
> Signed-off-by: Benjamin Coddington <bcodding@xxxxxxxxxx>
> ---
>  fs/Kconfig          | 3 +++
>  fs/nfsd/Kconfig     | 2 ++
>  fs/xfs/Makefile     | 3 +--
>  fs/xfs/xfs_export.c | 2 +-
>  fs/xfs/xfs_pnfs.h   | 4 ++--
>  5 files changed, 9 insertions(+), 5 deletions(-)
> 
> diff --git a/fs/Kconfig b/fs/Kconfig
> index 6725f59c18e6..6e57b4237d72 100644
> --- a/fs/Kconfig
> +++ b/fs/Kconfig
> @@ -66,6 +66,9 @@ config FS_POSIX_ACL
>  config EXPORTFS
>  	tristate
>  
> +config BLOCK_EXPORT_OPS
> +	bool
> +

default n, help text?

Also, BLOCK_* prefix config options are for block layer
functionality, hence I suspect this will confuse people because it's
a filesystem config option. EXPORTFS_BLOCK_OPS seems more obvious
and correct to me, as the block mapping ops are part of the exportfs
operations interface....

>  xfs-$(CONFIG_SYSCTL)		+= xfs_sysctl.o
>  xfs-$(CONFIG_COMPAT)		+= xfs_ioctl32.o
> -xfs-$(CONFIG_NFSD_BLOCKLAYOUT)	+= xfs_pnfs.o
> -xfs-$(CONFIG_NFSD_SCSILAYOUT)	+= xfs_pnfs.o
> +xfs-$(CONFIG_BLOCK_EXPORT_OPS)	+= xfs_pnfs.o

Why do we need the first patch to XFS anymore? Just convert it
straight to using CONFIG_EXPORTFS_BLOCK_OPS....


Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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