From: Nix <nix@esperi.org.uk>
To: NeilBrown <neilb@suse.de>
Cc: bfields@fieldses.org (J. Bruce Fields),
NFS list <linux-nfs@vger.kernel.org>
Subject: Re: what on earth is going on here? paths above mountpoints turn into "(unreachable)"
Date: Wed, 11 Feb 2015 23:11:33 +0000 [thread overview]
Message-ID: <87pp9gujq2.fsf@spindle.srvr.nix> (raw)
In-Reply-To: <20150211140714.4da42a5b@notabene.brown> (NeilBrown's message of "Wed, 11 Feb 2015 14:07:14 +1100")
On 11 Feb 2015, NeilBrown spake thusly:
> I wonder if something is going wrong in nfs_prime_dcache(). The code looks
> right, but it is a little complex...
>
> You could rule that out by disabling READDIRPLUS by using the nordirplus
> mount option. If that makes the proble go away, it would be very
> interesting...
>
> A more intrusive debugging approach would be to get d_drop() to scream if the
> dentry being dropped had DCACHE_MOUNTED set.
>
> Are you able to try either of those?
I'll test both (the former first). The problem's still happening several
times a day, so I should be able to get back to you fairly fast...
--
NULL && (void)
prev parent reply other threads:[~2015-02-11 23:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-03 0:25 what on earth is going on here? paths above mountpoints turn into "(unreachable)" Nix
2015-02-03 19:53 ` J. Bruce Fields
2015-02-03 19:57 ` Nix
2015-02-04 23:28 ` Nix
2015-02-05 0:26 ` NeilBrown
2015-02-10 17:48 ` Nix
2015-02-10 18:32 ` J. Bruce Fields
2015-02-11 23:07 ` Nix
2015-02-11 23:18 ` NeilBrown
2015-02-12 1:50 ` Nix
2015-02-12 15:38 ` J. Bruce Fields
2015-02-14 13:17 ` Nix
2015-02-16 2:46 ` NeilBrown
2015-02-16 3:57 ` NeilBrown
2015-02-17 17:32 ` Nix
2015-02-20 17:26 ` Nix
2015-02-20 21:03 ` NeilBrown
2015-02-16 4:28 ` Trond Myklebust
2015-02-16 4:54 ` NeilBrown
2015-02-22 22:13 ` Trond Myklebust
2015-02-22 22:47 ` NeilBrown
2015-02-23 2:05 ` Trond Myklebust
2015-02-23 2:33 ` Trond Myklebust
2015-02-23 3:05 ` NeilBrown
2015-02-23 3:33 ` Trond Myklebust
2015-02-23 4:49 ` NeilBrown
2015-02-23 13:55 ` Trond Myklebust
2015-02-16 15:43 ` J. Bruce Fields
2015-02-11 3:07 ` NeilBrown
2015-02-11 23:11 ` Nix [this message]
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