From: Christoph Hellwig <hch@infradead.org>
To: Ian Kent <raven@themaw.net>
Cc: Andrew Morton <akpm@linux-foundation.org>,
autofs mailing list <autofs@linux.kernel.org>,
Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH 4/4] autofs4 - add miscelaneous device for ioctls
Date: Sat, 9 Aug 2008 08:59:53 -0400 [thread overview]
Message-ID: <20080809125953.GB16308@infradead.org> (raw)
In-Reply-To: <20080807114030.4142.76568.stgit@web.messagingengine.com>
On Thu, Aug 07, 2008 at 07:40:31PM +0800, Ian Kent wrote:
> The actual problem with autofs is that it can't reconnect to existing
> mounts. Immediately one things of just adding the ability to remount
> autofs file systems would solve it, but alas, that can't work. This is
> because autofs direct mounts and the implementation of "on demand mount
> and expire" of nested mount trees have the file system mounted on top of
> the mount trigger dentry.
So what you really need instead of all the ioctl cruft is to get access
to the sb of the hidden autofs4 mount. One way to do that that I can
think of right now is to change from using get_sb_nodev as ->get_sb
to a variant that can find an existing superblock using some mount
options.
next prev parent reply other threads:[~2008-08-09 13:00 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-07 11:40 [PATCH 1/4] autofs4 - cleanup autofs mount type usage Ian Kent
2008-08-07 11:40 ` [PATCH 2/4] autofs4 - track uid and gid of last mount requester Ian Kent
2008-08-07 20:46 ` Andrew Morton
2008-08-07 22:12 ` Serge E. Hallyn
2008-08-08 3:48 ` Ian Kent
2008-08-08 4:44 ` Ian Kent
2008-08-08 14:58 ` Serge E. Hallyn
2008-08-09 6:05 ` Ian Kent
2008-08-09 13:31 ` Serge E. Hallyn
2008-08-25 18:05 ` Serge E. Hallyn
2008-08-07 22:15 ` Serge E. Hallyn
2008-08-08 3:13 ` Ian Kent
2008-08-08 15:23 ` Serge E. Hallyn
2008-08-08 3:25 ` Ian Kent
2008-08-08 5:37 ` Ian Kent
2008-08-07 11:40 ` [PATCH 3/4] autofs4 - devicer node ioctl docoumentation Ian Kent
2008-08-09 13:00 ` Christoph Hellwig
2008-08-07 11:40 ` [PATCH 4/4] autofs4 - add miscelaneous device for ioctls Ian Kent
2008-08-07 21:10 ` Andrew Morton
2008-08-08 3:39 ` Ian Kent
2008-08-08 5:31 ` Andrew Morton
2008-08-08 6:12 ` Ian Kent
2008-08-08 6:33 ` Andrew Morton
2008-08-09 12:59 ` Christoph Hellwig [this message]
2008-08-09 15:29 ` Ian Kent
2008-08-09 17:18 ` Christoph Hellwig
2008-08-10 5:20 ` Ian Kent
2008-08-09 12:47 ` [PATCH 1/4] autofs4 - cleanup autofs mount type usage Christoph Hellwig
2008-08-09 15:17 ` Ian Kent
-- strict thread matches above, loose matches on Subject: below --
2008-02-26 3:21 [PATCH 0/4] autofs4 - autofs needs a miscelaneous device for ioctls Ian Kent
2008-02-26 3:23 ` [PATCH 4/4] autofs4 - add " Ian Kent
2008-02-28 5:17 ` Andrew Morton
2008-02-28 6:18 ` Ian Kent
2008-02-29 16:24 ` Ian Kent
2008-04-11 7:02 ` Ian Kent
2008-04-12 4:03 ` Andrew Morton
2008-04-14 4:45 ` Ian Kent
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