Re: getting Linux into business..

Matthias Urlichs (smurf@smurf.noris.de)
Wed, 21 Aug 1996 18:03:48 +0100

In linux.dev.kernel, article <9608210930.ZM14969@aib.com>,
"Eric Youngdale" <eric@aib.com> writes:
>
> I am wondering whether umount should be made more robust so that
> it essentially forks prior to each unmount attempt. When all the children
> have died we know that everything is unmounted, and we can proceed. If
> one of the umounts hangs, then at least all of the remaining partitions
> are cleanly unmounted.

Something like that would probably be a good idea.

int try = 0;
do {
/* try to unmount, return success or ENOENT or whatever */
sleep(++try);
} while(1);

> If some NFS partition cannot be unmounted, can we still force the
> root partition back to R/O status so that it is also marked clean?
>
Yes.

-- 
The best may slip, and the most cautious fall;
  He's more than mortal that ne'er err'd at all.
                                -- Pomfret

-- 
Matthias Urlichs         \  noris network GmbH  /  Xlink-POP Nürnberg 
Schleiermacherstraße 12   \   Linux+Internet   /   EMail: urlichs@noris.de
90491 Nürnberg (Germany)   \    Consulting+Programming+Networking+etc'ing
   PGP: 1024/4F578875   1B 89 E2 1C 43 EA 80 44  15 D2 29 CF C6 C7 E0 DE
       Click <A HREF="http://info.noris.de/~smurf/finger">here</A>.    42