linux-kernel - Re: [autofs] [PATCH 04/38] autofs4: Save autofs trigger's vfsmount in super block info

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Message-ID: <1277256214.2848.17.camel@localhost>
Date:	Wed, 23 Jun 2010 09:23:34 +0800
From:	Ian Kent <raven@...maw.net>
To:	"J. R. Okajima" <hooanon05@...oo.co.jp>
Cc:	Miklos Szeredi <miklos@...redi.hu>, viro@...iv.linux.org.uk,
	vaurora@...hat.com, autofs@...ux.kernel.org,
	linux-kernel@...r.kernel.org, hch@...radead.org,
	linux-fsdevel@...r.kernel.org, jblunck@...e.de
Subject: Re: [autofs] [PATCH 04/38] autofs4: Save autofs trigger's vfsmount
 in super block info

On Tue, 2010-06-22 at 14:49 +0900, J. R. Okajima wrote:
> 
> Or how about iterate_mounts() instead of loop over dentries?
> For example (just a example),

I may be missing something about this, but why is it safe to use
iterate_mounts(), since it doesn't take the vfsmount_lock when
traversing the list of mounts?

Ian


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