From: Christoph Hellwig <hch@lst.de>
To: Chuck Lever <chuck.lever@oracle.com>
Cc: Dai Ngo <dai.ngo@oracle.com>,
jlayton@kernel.org, neilb@ownmail.net, okorniev@redhat.com,
tom@talpey.com, hch@lst.de, alex.aring@gmail.com,
viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz,
linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: Re: [PATCH v4 3/3] FSD: Fix NFS server hang when there are multiple layout conflicts
Date: Wed, 19 Nov 2025 10:57:48 +0100 [thread overview]
Message-ID: <20251119095748.GD25764@lst.de> (raw)
In-Reply-To: <d7888dd6-c238-45e0-94c0-ac82fb90d6b6@oracle.com>
On Mon, Nov 17, 2025 at 10:55:27AM -0500, Chuck Lever wrote:
> > + if (nfsd4_layout_ops[type]->fence_client)
> > + nfsd4_layout_ops[type]->fence_client(ls, nf);
>
> If a .fence_client callback is optional for a layout to provide,
> timeouts for such layout types won't trigger any fencing action. I'm not
> certain yet that's good behavior.
It is a for type layouts for which we have explicit least breaks.
Maybe we need to find a way to formalize that?
next prev parent reply other threads:[~2025-11-19 9:57 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-15 19:16 [Patch v4 0/3] NFSD: Fix server hang when there are multiple layout conflicts Dai Ngo
2025-11-15 19:16 ` [PATCH v4 1/3] locks: Introduce lm_breaker_timedout operation to lease_manager_operations Dai Ngo
2025-11-17 15:39 ` Chuck Lever
2025-11-17 19:17 ` Dai Ngo
2025-11-17 18:02 ` Jeff Layton
2025-11-17 19:41 ` Dai Ngo
2025-11-19 13:52 ` Jeff Layton
2025-11-19 16:32 ` Dai Ngo
2025-11-19 9:54 ` Christoph Hellwig
2025-11-19 14:04 ` Chuck Lever
2025-11-15 19:16 ` [PATCH v4 2/3] locks: Threads with layout conflict must wait until client was fenced Dai Ngo
2025-11-17 15:47 ` Chuck Lever
2025-11-17 19:21 ` Dai Ngo
2025-11-17 18:21 ` Jeff Layton
2025-11-17 19:49 ` Dai Ngo
2025-11-19 9:53 ` Christoph Hellwig
2025-11-15 19:16 ` [PATCH v4 3/3] FSD: Fix NFS server hang when there are multiple layout conflicts Dai Ngo
2025-11-15 19:44 ` Chuck Lever
2025-11-15 20:20 ` Dai Ngo
2025-11-19 9:56 ` Christoph Hellwig
2025-11-19 16:35 ` Dai Ngo
2025-11-17 15:55 ` Chuck Lever
2025-11-17 19:40 ` Dai Ngo
2025-11-17 21:13 ` Benjamin Coddington
2025-11-17 22:00 ` Dai Ngo
2025-11-19 10:08 ` Christoph Hellwig
2025-11-19 16:52 ` Dai Ngo
2025-11-20 6:50 ` Christoph Hellwig
2025-11-19 10:05 ` Christoph Hellwig
2025-11-19 14:04 ` Benjamin Coddington
2025-11-19 14:09 ` Chuck Lever
2025-11-19 14:12 ` Jeff Layton
2025-11-19 17:06 ` Dai Ngo
2025-11-20 6:52 ` Christoph Hellwig
2025-11-20 6:59 ` Christoph Hellwig
2025-11-19 9:57 ` Christoph Hellwig [this message]
2025-11-19 10:08 ` Christoph Hellwig
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