On Tue, Aug 4, 2015 at 11:03 PM, Junio C Hamano <gits...@pobox.com> wrote:
>
> I would agree it is a good idea to clear it after seeing the first
> open fail due to lack of O_NOATIME before trying open for the second
> time, iow, more like this?
So I don't think this is _wrong_ per se, but I think the deeper issue
is that somebody cares about 'errno' here in the first place.
A stale 'errno' generally shouldn't matter, because we either
(a) return success (and nobody should look at errno)
or
(b) return an error later, without setting errno for that _later_ error.
and I think either of those two situations are the real bug, and this
"clear stale errno" is just a workaround.
But as mentioned, I don't think clearign errno is wrong, so I'm not
objecting to the patch. I just suspect there's something else goign on
too..
Linus
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