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Date: Wed, 19 Nov 2025 10:54:19 +0100
From: Christoph Hellwig <hch@lst.de>
To: Dai Ngo <dai.ngo@oracle.com>
Cc: chuck.lever@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 1/3] locks: Introduce lm_breaker_timedout operation
 to lease_manager_operations
Message-ID: <20251119095419.GB25764@lst.de>
References: <20251115191722.3739234-1-dai.ngo@oracle.com> <20251115191722.3739234-2-dai.ngo@oracle.com>
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User-Agent: Mutt/1.5.17 (2007-11-01)

On Sat, Nov 15, 2025 at 11:16:37AM -0800, Dai Ngo wrote:
> Some consumers of the lease_manager_operations structure need
> to perform additional actions when a lease break, triggered by
> a conflict, times out.
> 
> The NFS server is the first consumer of this operation.
> 
> When a pNFS layout conflict occurs and the lease break times
> out — resulting in the layout being revoked and its file lease
> removed from the flc_lease list — the NFS server must issue a
> fence operation. This operation ensures that the client is
> prevented from accessing the data server after the layout
> revocation.
> 
> Fixes: f99d4fbdae67 ("nfsd: add SCSI layout support")

This again does not fix anything.  It is infrastructure for your fix
in patch 3.