linux-kernel - Re: [PATCH 0/2] vfs: Report a mount r/o if the superblock is

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Message-ID: <20130405140650.GA21852@quack.suse.cz>
Date:	Fri, 5 Apr 2013 16:06:50 +0200
From:	Jan Kara <jack@...e.cz>
To:	Shea Levy <shea@...alevy.com>
Cc:	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 0/2] vfs: Report a mount r/o if the superblock is

On Thu 14-03-13 12:09:18, Shea Levy wrote:
> By calling mount(2) with MS_REMOUNT | MS_BIND on a non-bind readonly
> mountpoint, it is possible to have a readonly mount without MNT_READONLY
> in its mnt_flags. Currently, /proc/<pid>/mountinfo and statfs will
> report such a mount as r/w, even though for all intents and purposes it
> is still readonly.
> 
> This patchset fixes show_mountinfo and statfs to report such mounts as
> readonly.
  Andrew, I think the two patches in this thread deserve to be picked up...

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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