linux-kernel - Re: [PATCH 01/27] BKL: Push down BKL from do_new_mount() to the filesystems get_sb/fill

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Date:	Tue, 3 Nov 2009 09:33:33 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Jan Blunck <jblunck@...e.de>
Cc:	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, Matthew Wilcox <matthew@....cx>,
	Linux-Kernel Mailinglist <linux-kernel@...r.kernel.org>,
	Christian Borntraeger <borntraeger@...ibm.com>
Subject: Re: [PATCH 01/27] BKL: Push down BKL from do_new_mount() to the
	filesystems get_sb/fill_super operation

On Tue, Nov 03, 2009 at 11:25:09AM +0100, Jan Blunck wrote:
> > For the next spin please don't push it down to filesystems that
> > obviously don't need it at all and just mention them in the patch
> > description.  For filesystems like xfs and btrfs that never used the BKL
> > at all that should make life a bit simpler.
> 
> My plan was to remove the BKL in the obvious cases in the followup patches
> that are also included in the series. So should I just merge the obvious stuff
> into one patch? Christian Borntraeger was actually requesting the opposite. He
> wants to be able to bisect it to the patch that is removing the BKL. That
> would be much simple with many small patches I think.

Yes, but for most filesystems the BKL never made sense.  Anywhere where
it's non-obvious (or the maintainer wants it) make it a separate patch,
but don't bother for things like xfs or btrfs.

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