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

[Abhishek Tiwari]

>>       git grep -Fl 'statfs' linux/*/syscallent* | xargs sed -i 's/0\(,[[:space:]]*SEN(osf_statfs\)/TSF\1/'
>>       git grep -Fl 'statfs' linux/*/syscallent* | xargs sed -i 's/0\(,[[:space:]]*SEN(.*_statfs\)/TSF\1/'
>>       git grep -Fl 'statvfs' linux/*/syscallent* | xargs sed -i 's/0\(,[[:space:]]*SEN(.*_statvfs\)/TSF\1/'
>
> Why do you need 3 commands where a single command would suffice?
>
> Why these entries don't have TF flag set in the first place?
> It's a bug that should be fixed with a separate commit.
>

I have added TF flag to osf_statfs, osf_statfs64, posix_statfs,
bsd43_statfs, sysv_statfs, sysv_statvfs, svr4_statfs, svr4_statvfs
which don't have TF flag set.

Below is patch attached for the same.

None of stat related syscalls have their corresponding flag set.
$  grep -nr '_\(\|f\|l\)stat' linux/*/syscallent*

Should these be updated with their corresponding tags ?
fstatfs*-> TD
lstat*-> TD
{,old_}stat*-> TF
or are they intensional?

sorry for redundancy. Will fix other too.


>
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