linux-kernel - Re: [PATCH v1 2/3] Treewide: Stop corrupting socket's task

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Message-ID: <20221130114835.GA29316@pc-4.home>
Date:   Wed, 30 Nov 2022 12:48:35 +0100
From:   Guillaume Nault <gnault@...hat.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Benjamin Coddington <bcodding@...hat.com>, netdev@...r.kernel.org,
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Subject: Re: [PATCH v1 2/3] Treewide: Stop corrupting socket's task_frag

On Tue, Nov 29, 2022 at 03:02:42PM +0100, Christoph Hellwig wrote:
> Hmm.  Having to set a flag to not accidentally corrupt per-task
> state seems a bit fragile.  Wouldn't it make sense to find a way to opt
> into the feature only for sockets created from the syscall layer?

That's something I originally considered. But, as far as I can see, nbd
needs this flag _and_ uses sockets created in user space. So it'd still
need to opt out manually.