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List:       linux-block
Subject:    Re: [PATCH 4/7] swapon(2): open swap with O_EXCL
From:       Christoph Hellwig <hch () lst ! de>
Date:       2024-04-29 5:10:28
Message-ID: 20240429051028.GE32416 () lst ! de
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On Sun, Apr 28, 2024 at 08:07:09PM +0100, Al Viro wrote:
> Christoph, do you have any plans along those lines for swap devices?
> If they are not going to grow holder_ops, I'd say we should switch
> to O_EXCL open and be done with that; zram is in the same situation,
> AFAICS.

holder_ops right now are used for fs freezing, fs syncing and dead
device notification.  None of this is useful for swap, as is the
resize notification I plan to add eventually.


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