From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH] UBIFS: kill BKL
Date: Mon, 20 Jul 2009 08:51:25 -0400
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Cc: linux-fsdevel@vger.kernel.org,
	Adrian Hunter <adrian.hunter@nokia.com>,
	Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
To: Artem Bityutskiy <dedekind1@gmail.com>
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On Sun, Jul 19, 2009 at 01:55:22PM +0300, Artem Bityutskiy wrote:
> From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
> 
> The BKL was pushed down from VFS to the file-systems. It used
> to serialize mount/unmount/remount. UBIFS must be safe if several
> file-systems are mounted/unmounted/re-mounted at the same time,
> so kill kick the BKL out of UBIFS.

On something slightly related - anohter part of the super_ops
rework in 2.6.31 was that we now always push data out before calling
into ->sync_fs to synchronize the metadata.

This means the generic_sync_sb_inodes call in ubifs_sync_fs should go
away now.