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From: Willy Tarreau <w@1wt.eu>
To: Christoph Hellwig <hch@infradead.org>
Cc: Hugh Dickins <hugh@veritas.com>, Peter Cordes <peter@cordes.ca>,
	Bodo Eggert <7eggert@gmx.de>,
	David Newall <davidn@davidnewall.com>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org, linux-mm <linux-mm@kvack.org>
Subject: Re: no way to swapoff a deleted swap file?
Date: Sat, 18 Oct 2008 22:56:47 +0200	[thread overview]
Message-ID: <20081018205647.GA29946@1wt.eu> (raw)
In-Reply-To: <20081018204948.GA22140@infradead.org>

On Sat, Oct 18, 2008 at 04:49:48PM -0400, Christoph Hellwig wrote:
> On Sat, Oct 18, 2008 at 09:45:14PM +0100, Hugh Dickins wrote:
> > --- 2.6.27/fs/namei.c	2008-10-09 23:13:53.000000000 +0100
> > +++ linux/fs/namei.c	2008-10-18 21:33:01.000000000 +0100
> > @@ -1407,7 +1407,7 @@ static int may_delete(struct inode *dir,
> >  	if (IS_APPEND(dir))
> >  		return -EPERM;
> >  	if (check_sticky(dir, victim->d_inode)||IS_APPEND(victim->d_inode)||
> > -	    IS_IMMUTABLE(victim->d_inode))
> > +	    IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
> >  		return -EPERM;
> >  	if (isdir) {
> >  		if (!S_ISDIR(victim->d_inode->i_mode))
> 
> Looks reasonable.

I like the idea and the simplicity a lot !

Willy

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  reply	other threads:[~2008-10-18 20:56 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [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 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 [this message]
2008-11-14  2:37                     ` [PATCH 2.6.28?] don't unlink an active swapfile Hugh Dickins
2008-11-14  4:08                       ` Peter Cordes
2008-11-14 17:34                       ` Christoph Hellwig
2008-11-14 18:02                         ` Hugh Dickins
2008-10-17  8:20       ` no way to swapoff a deleted swap file? Bodo Eggert
     [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

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