linux-kernel - Re: [PATCH 06/24] r/o bind mounts: elevate write count for some ioctls

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Message-ID: <20070919173130.GF20917@infradead.org>
Date:	Wed, 19 Sep 2007 18:31:30 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Hansen <haveblue@...ibm.com>
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org, hch@...radead.org
Subject: Re: [PATCH 06/24] r/o bind mounts: elevate write count for some ioctls

On Mon, Sep 17, 2007 at 11:27:25AM -0700, Dave Hansen wrote:
> 
> Some ioctl()s can cause writes to the filesystem.  Take
> these, and make them use mnt_want/drop_write() instead.
> 
> We need to pass the filp one layer deeper in XFS, but
> somebody _just_ pulled it out in February because nobody
> was using it, so I don't feel guilty for adding it back.

Ok.
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