From mboxrd@z Thu Jan  1 00:00:00 1970
From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [RFC] vfs: avoid sb->s_umount lock while changing bind-mount
 flags
Date: Mon, 30 Sep 2013 21:03:13 +0100
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Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	Anatol Pomazau <anatol@google.com>,
	Theodore Ts'o <tytso@mit.edu>, tj@kernel.org, axboe@kernel.dk
To: Aditya Kali <adityakali@google.com>
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On Mon, Sep 30, 2013 at 11:13:23AM -0700, Aditya Kali wrote:
> +Ted Ts'o, Tejun Heo, Jens Axboe
> 
> 
> On 09/30/2013 10:54 AM, Aditya Kali wrote:
> >Hi Al and other fs-developers,
> >
> >Please let me know what you think about this patch.

Don't top-post, please...  What prevents a race between MS_BIND remounts
and plain ones?  Used to be serialized on ->s_umount, but...