From: Christoph Hellwig <hch@lst.de>
To: Chuck Lever <chuck.lever@oracle.com>
Cc: Benjamin Coddington <bcodding@redhat.com>,
cel@kernel.org, linux-nfs@vger.kernel.org,
Christoph Hellwig <hch@lst.de>
Subject: Re: [RFC PATCH 3/4] nfs/blocklayout: Fix premature PR key unregistration
Date: Thu, 20 Jun 2024 16:37:39 +0200 [thread overview]
Message-ID: <20240620143739.GA23005@lst.de> (raw)
In-Reply-To: <ZnQ927sF7oRT+KmF@tissot.1015granger.net>
On Thu, Jun 20, 2024 at 10:34:03AM -0400, Chuck Lever wrote:
> > No good ideas yet - maybe we can use a flag set within the
> > nfs4_deviceid_lock?
>
> Well this smells like a use for a reference count on the block
> device, but fs/nfs doesn't control the definition of that data
> structure.
The block device actually has multiple refcounts, up to three
depending on how you count. I'm not sure how that would solve
anything here, though.
next prev parent reply other threads:[~2024-06-20 14:37 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-19 17:39 [RFC PATCH 0/4] Snapshot of fixes for SCSI PR key registration cel
2024-06-19 17:39 ` [RFC PATCH 1/4] nfs/blocklayout: SCSI layout trace points for reservation key reg/unreg cel
2024-06-20 4:50 ` Christoph Hellwig
2024-06-20 4:52 ` Christoph Hellwig
2024-06-20 14:30 ` Chuck Lever
2024-06-19 17:39 ` [RFC PATCH 2/4] nfs/blocklayout: Report only when /no/ device is found cel
2024-06-20 4:36 ` Christoph Hellwig
2024-06-20 14:59 ` Chuck Lever
2024-06-20 12:17 ` Benjamin Coddington
2024-06-20 14:10 ` Christoph Hellwig
2024-06-19 17:39 ` [RFC PATCH 3/4] nfs/blocklayout: Fix premature PR key unregistration cel
2024-06-20 5:06 ` Christoph Hellwig
2024-06-20 13:52 ` Benjamin Coddington
2024-06-20 13:58 ` Chuck Lever
2024-06-20 14:15 ` Christoph Hellwig
2024-06-20 14:18 ` Chuck Lever III
2024-06-20 15:45 ` Benjamin Coddington
2024-06-20 15:48 ` Chuck Lever
2024-06-20 15:58 ` Benjamin Coddington
2024-06-20 15:39 ` Chuck Lever
2024-06-20 13:51 ` Benjamin Coddington
2024-06-20 14:34 ` Chuck Lever
2024-06-20 14:37 ` Christoph Hellwig [this message]
2024-06-20 15:30 ` Benjamin Coddington
2024-06-20 15:46 ` Chuck Lever
2024-06-20 15:56 ` Benjamin Coddington
2024-06-20 16:45 ` Benjamin Coddington
2024-06-20 17:08 ` Chuck Lever
2024-06-19 17:39 ` [RFC PATCH 4/4] nfs/blocklayout: Use bulk page allocation APIs cel
2024-06-20 4:44 ` Christoph Hellwig
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