On Thu, 28 Feb 2008 10:51:08 +0300 Pavel Emelyanov <xemul@open...> wrote:
> > So, why do we need the uid and gid? When someone walks over an autofs
> > dentry that is meant to cause a mount we send a request packet to the
> > daemon via a pipe which includes the process uid and gid, and as part of
> > the lookup we set macros for several mount map substitution variables,
> > derived from the uid and gid of the process requesting the mount and
> > they can be used within autofs maps.
> Why do we need the uid then? Is just pid not enough to uniquely
> identify a task?
The problem is that the userspace daemon is restarted. ie: it exits
and is re-run. It then needs to pick up various state from its previous
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