linux-kernel - Re: [Patch RFC 36/37] fs: Convert bd_mount

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Message-ID: <20090727152635.GD31597@infradead.org>
Date:	Mon, 27 Jul 2009 11:26:35 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [Patch RFC 36/37] fs: Convert bd_mount_sem to mutex

On Sun, Jul 26, 2009 at 08:20:38AM -0000, Thomas Gleixner wrote:
> bd_mount_sem is used as mutex so make it a mutex.

Actually we may return to userspace with it held, so the conversion
is a bad idea.  But I have a patch I need to post to completely get
rid of it.

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