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From: David Newall <davidn@davidnewall.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Peter Cordes <peter@cordes.ca>,
	linux-kernel@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>,
	linux-mm <linux-mm@kvack.org>
Subject: Re: no way to swapoff a deleted swap file?
Date: Fri, 17 Oct 2008 16:58:08 +1030	[thread overview]
Message-ID: <48F83078.8020408@davidnewall.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0810162313570.26758@blonde.site>

Hugh Dickins wrote:
> On Thu, 16 Oct 2008, Peter Zijlstra wrote:
>   
>> On Wed, 2008-10-15 at 17:21 -0300, Peter Cordes wrote:
>>     
>>> I unlinked a swapfile without realizing I was still swapping on it.
>>>       
>> I see your problem and it makes sense to look for a nice solution.
>>     
>
> although I'll willingly admit it's a
> lacuna, I don't think it's one worth bloating the kernel for.

Me too.  The kernel shouldn't protect the administrator against all
possible mistakes; and this mistake is one of them.  Besides, who's to
say it's always a mistake?  Somebody might want their swap file to have
zero links.


Do nothing.

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  reply	other threads:[~2008-10-17  6:28 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20081015202141.GX26067@cordes.ca>
2008-10-16  8:28 ` Peter Zijlstra
2008-10-16 22:38   ` Hugh Dickins
2008-10-17  6:28     ` David Newall [this message]
     [not found] <bnlDw-5vQ-7@gated-at.bofh.it>
     [not found] ` <bnwpg-2EA-17@gated-at.bofh.it>
     [not found]   ` <bnJFK-3bu-7@gated-at.bofh.it>
2008-10-16 23:43     ` Bodo Eggert
2008-10-16 23:43     ` Bodo Eggert
     [not found]     ` <bnR0A-4kq-1@gated-at.bofh.it>
2008-10-17  8:20       ` Bodo Eggert
2008-10-17  8:20       ` Bodo Eggert
2008-10-17 12:17         ` Hugh Dickins
2008-10-17 12:36           ` David Newall
2008-10-17 22:42           ` Bodo Eggert
2008-10-18  0:31           ` Peter Cordes
2008-10-18  5:18             ` Willy Tarreau
2008-10-18 20:45               ` Hugh Dickins
2008-10-18 20:49                 ` Christoph Hellwig
2008-10-18 20:56                   ` Willy Tarreau

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