Re: [PATCH] sunrpc/cache: drop reference when sunrpc_cache_pipe_upcall() detects a race

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Bruce,

Thank you for your reply.

On Tue, Mar 15, 2016 at 9:37 PM, NeilBrown <neilb@xxxxxxxx> wrote:
> I agree that it isn't needed for stable - the race is tiny and the
> consequence of losing the race is that entries get stuck in the cache
> and possible an exported filesystem cannot be unmounted.

I believe in an industrial usage, this race will become more common;
moreover the consequence of an exported filesystem which can't be
unmounted is not something I can accept in some environment.

I accept your judgment about including it or not in -stable but I am
just complaining about the lack of further consideration for those
type of fixes in nfs generally speaking. In an industrial usage, we
are hitting races way more easily than in a normal usage; lost of them
are already fixed and we do backports ourself. We are at a point where
it becomes almost impossible to come with a proof and say "we are
hitting this race, and this patch fixes the issue, please backport in
-stable".
-- 
William
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Filesystem Development]     [Linux USB Development]     [Linux Media Development]     [Video for Linux]     [Linux NILFS]     [Linux Audio Users]     [Yosemite Info]     [Linux SCSI]

  Powered by Linux