Re: [PATCH] utimensat() non-conformances and fixes [v3]

From: Al Viro
Date: Tue Jun 03 2008 - 08:09:21 EST


On Tue, Jun 03, 2008 at 01:01:35PM +0100, Jamie Lokier wrote:
> > with a lot of things, starting with "why utimes(2) has weaker requirements
> > with NULL argument", but we are far too late to fix that.
>
> To be fair, having a writable file descriptor only lets you change the
> mtime to "now", and having a readable file descriptor only lets you
> change the atime to "now".
>
> Changing the times _in general_ can be seen as over-reaching those
> capabilities and arguably justifies more strict checks.

Which is what all questions about writability apply only to NULL case
anyway...
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