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SubjectRe: [PATCH 1/6] statx: Add a system call to make enhanced file info available
Arnd Bergmann <> wrote:

> I'm trying to understand what that means for the 64-bit time_t syscalls.
> The patch series I did last year had a replacement 'sys_newfstatat()'
> syscall but IIRC no other stat variant, the idea being that we would
> only need to provide this one to the libc and have user space emulate
> the stat/fstat/lstat/fstatat variants based on that.
> With the statx introduction, I was hoping to no longer have to add
> that syscall but instead have libc do everything on top of sys_statx().
> Do you think that is reasonable, given that we won't be allowed to
> call any of the existing stat() variants for a y2038-safe libc build[1],
> or should we plan to keep needing replacement fstatat (and possibly
> stat/lstat/fstat) syscalls with 64-bit time_t even after statx() support
> is merged into the kernel.


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