[PATCH v6] Implement -e trace=%statfs option for tracing statfs like syscalls

[Abhishek Tiwari]

>> Sir,
>> the statfs64.test file calls the statfs.test itself.
>> On adding 17 statfs64 to my test file gives error
>>
>> undefined: __NR_statfs64
> This is quite possible on 64-bit architectures, as they have no need in
> a separate syscall for retrieving some 64-bit values (like st_size and
> st_blocks).
>
>> Is adding following entries correct ?
> Not really.
>
>> In file tests/scno.h:
>>
>> #ifndef __NR_statfs
>> # define __NR_statfs64 (SYSCALL_BIT | 332 )
> Note that this file is generated (as it is stated in its header), as it
> is ABI-dependent.
>
>> Is adding it to last entry fine ?
>>
>> In file tests/ksysent.h:
>>
>> #ifdef __NR_statfs
>> [__NR_statfs64 & 0xffff] = "statfs64",
>>

Sir, how to overcome error  to test for statfs64 ?