On Thu, Nov 13, 2014 at 10:22:42PM +0100, Pieter Smith wrote:
> Compile out splice support from lustre file-system when the splice-family of
> syscalls is not supported by the system (i.e. CONFIG_SYSCALL_SPLICE is
> undefined).
> 
> Signed-off-by: Pieter Smith <pie...@boesman.nl>
> ---
>  drivers/staging/lustre/lustre/llite/file.c           | 10 +++++++---
>  drivers/staging/lustre/lustre/llite/llite_internal.h |  2 ++
>  drivers/staging/lustre/lustre/llite/vvp_io.c         |  2 ++
>  3 files changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/lustre/lustre/llite/file.c 
> b/drivers/staging/lustre/lustre/llite/file.c
> index fd1b75a3..98573da 100644
> --- a/drivers/staging/lustre/lustre/llite/file.c
> +++ b/drivers/staging/lustre/lustre/llite/file.c
> @@ -1126,10 +1126,12 @@ restart:
>                               down_read(&lli->lli_trunc_sem);
>                       }
>                       break;
> +#ifdef CONFIG_SYSCALL_SPLICE
>               case IO_SPLICE:
>                       vio->u.splice.cui_pipe = args->u.splice.via_pipe;
>                       vio->u.splice.cui_flags = args->u.splice.via_flags;
>                       break;
> +#endif /* #ifdef CONFIG_SYSCALL_SPLICE */

Not worth the #ifdef mess, sorry.

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