Re: [LTP] [PATCH] syscalls/sync_file_range01: support 31-bit s390

[Jiri Jaburek <jjaburek@redhat.com>]

On 03/05/2015 04:24 PM, Jiri Jaburek wrote:
> The ifdef'd part is identical to how arm/ppc handles big endianness,
> however the syscall number and argument order are different.
> 
> Signed-off-by: Jiri Jaburek <jjaburek@redhat.com>
> ---
>  testcases/kernel/syscalls/sync_file_range/sync_file_range01.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/testcases/kernel/syscalls/sync_file_range/sync_file_range01.c b/testcases/kernel/syscalls/sync_file_range/sync_file_range01.c
> index 3d26f8f..3eac52d 100644
> --- a/testcases/kernel/syscalls/sync_file_range/sync_file_range01.c
> +++ b/testcases/kernel/syscalls/sync_file_range/sync_file_range01.c
> @@ -196,7 +196,7 @@ void setup(void)
>  static inline long syncfilerange(int fd, off64_t offset, off64_t nbytes,
>  				 unsigned int flags)
>  {
> -
> +/* arm and powerpc */
>  #if (defined(__arm__) || defined(__powerpc__) || defined(__powerpc64__))
>  #if (__WORDSIZE == 32)
>  #if __BYTE_ORDER == __BIG_ENDIAN
> @@ -210,10 +210,16 @@ static inline long syncfilerange(int fd, off64_t offset, off64_t nbytes,
>  #else
>  	return ltp_syscall(__NR_sync_file_range2, fd, flags, offset, nbytes);
>  #endif
> +
> +/* s390 */
> +#elif (defined(__s390__) || defined(__s390x__)) && __WORDSIZE == 32
> +       return ltp_syscall(__NR_sync_file_range, fd, (int)(offset >> 32),
> +               (int)offset, (int)(nbytes >> 32), (int)nbytes, flags);
> +

Ugh, I somehow managed to leave spaces instead of tabs here, will post
v2 with correct formatting, sorry.

> +/* other */
>  #else
>  	return ltp_syscall(__NR_sync_file_range, fd, offset, nbytes, flags);
>  #endif
> -
>  }
>  
>  /******************************************************************************/
> 


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