linux-ext4 - Re: [patch] fix up lock order reversal in writeback

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Message-Id: <20101118091053.c275e1f2.akpm@linux-foundation.org>
Date:	Thu, 18 Nov 2010 09:10:53 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	Nick Piggin <npiggin@...nel.dk>, "Ted Ts'o" <tytso@....edu>,
	Jan Kara <jack@...e.cz>, linux-fsdevel@...r.kernel.org,
	linux-ext4@...r.kernel.org, linux-btrfs@...r.kernel.org
Subject: Re: [patch] fix up lock order reversal in writeback

On Thu, 18 Nov 2010 08:55:18 -0600 Eric Sandeen <sandeen@...hat.com> wrote:

> > Can we just delete writeback_inodes_sb_nr_if_idle() and
> > writeback_inodes_sb_if_idle()?  The changelog for 17bd55d037a02 is
> > pretty handwavy - do we know that deleting these things would make a
> > jot of difference?
> 
> Really?  I thought it was pretty decent ;)
> 
> Anyway, xfstests 204, "Test out ENOSPC flushing on small filesystems."
> shows the problem clearly, IIRC.  I should have included that in the
> changelog, I suppose, sorry.

Your email didn't really impart any information :(

I suppose I could accidentally delete those nasty little functions in a
drivers/parport patch then wait and see if anyone notices.

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