Re: [RFC 11/32] xfs: convert to struct inode_time

Theodore Ts'o
2014-06-02T23:32:40Z

On Mon, Jun 02, 2014 at 03:32:35PM -0700, H. Peter Anvin wrote:
> On 06/02/2014 03:29 PM, Theodore Ts'o wrote:
> >
> > And since we are already returning (time_t) -1 in some cases, we might
> > as well try to make things a bit more formal.
> >
>
> Are we? I am not aware of *Linux* actually using that.

Linux's time(2) can return (time_t) -1 and set errno to EFAULT, per
the Posix specification:

SYSCALL_DEFINE1(time, time_t __user *, tloc)
{
time_t i = get_seconds();

if (tloc) {
if (put_user(i,tloc))
return -EFAULT;
}
force_successful_syscall_return();
return i;
}

Cheers,

- Ted