linux-kernel - Re: [PATCH 1/7] cachefiles: use path

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Message-Id: <E1OWDkX-0002mT-0t@pomaz-ex.szeredi.hu>
Date:	Tue, 06 Jul 2010 21:24:09 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	David Howells <dhowells@...hat.com>
Cc:	viro@....linux.org.uk, akpm@...ux-foundation.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/7] cachefiles: use path_get instead of lone dget

On Tue, 06 Jul 2010, David Howells wrote:
> Miklos Szeredi <miklos@...redi.hu> wrote:
> 
> > Dentry references should not be acquired without a corresponding
> > vfsmount ref.
> 
> Which we have: current->fs holds one.  Or is this unsafe due to CLONE_FS?

current->fs doesn't change, but the contents can (e.g. another thread
does chdir()).

Thanks,
Miklos
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