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From: Jeff Layton <jtlayton@poochiereds.net>
To: Neil Brown <neilb@cse.unsw.edu.au>
Cc: nfs@lists.sourceforge.net
Subject: Re: fcntl locks prevent unmounting of underlying filesystem
Date: Sun, 30 May 2004 06:53:04 -0400	[thread overview]
Message-ID: <1085914384.3079.2.camel@localhost> (raw)
In-Reply-To: <16569.5128.54766.582893@cse.unsw.edu.au>

> You need to make sure that lockd gets killed as well.
> Just shutting down nfsd doesn't necessarily kill lockd, as if you have
> any active nfs mounts lockd will stay up for them.
> So, when you have shut down nfsd and before you try to unmount, could
> you check if lockd is still running or not?
> If it is, send it a SIGKILL.  It won't exit, but it should release any
> locks that it is holding.
> 
> If lockd has gone away at this point but locks are still being held,
> then that is a real problem and I will try to look into it.
> 
> NeilBrown

Ahh, Thanks for the info! That does indeed seem to take care of the hold
on the underlying filesystem. I need to do a little more testing to see
how locks are handled, but that at least removes my current logjam.

Cheers!
-- 
Jeff Layton <jtlayton@poochiereds.net>


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  reply	other threads:[~2004-05-30 10:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-26 16:43 fcntl locks prevent unmounting of underlying filesystem Jeffrey Layton
2004-05-27 14:27 ` Jeffrey Layton
2004-05-27 17:31   ` Jeffrey Layton
2004-05-29 22:51 ` Neil Brown
2004-05-30 10:53   ` Jeff Layton [this message]
2004-06-04 12:03   ` [NFS] " Jeffrey Layton

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