linux-kernel - Re: [PATCH] Fix over-zealous flush

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Message-ID: <20110222081443.6ec89942@notabene.brown>
Date:	Tue, 22 Feb 2011 08:14:43 +1100
From:	NeilBrown <neilb@...e.de>
To:	Jeff Moyer <jmoyer@...hat.com>
Cc:	Andrew Patterson <andrew.patterson@...com>,
	Jens Axboe <axboe@...nel.dk>, linux-raid@...r.kernel.org,
	dm-devel@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix over-zealous flush_disk when changing device size.

On Mon, 21 Feb 2011 14:36:01 -0500 Jeff Moyer <jmoyer@...hat.com> wrote:

> NeilBrown <neilb@...e.de> writes:
> 
> > -int __invalidate_device(struct block_device *bdev)
> > +int __invalidate_device2(struct block_device *bdev, bool kill_dirty)
> >  {
> >  	struct super_block *sb = get_super(bdev);
> >  	int res = 0;
> > @@ -1614,7 +1614,7 @@ int __invalidate_device(struct block_device *bdev)
> >  		 * hold).
> >  		 */
> >  		shrink_dcache_sb(sb);
> > -		res = invalidate_inodes(sb);
> > +		res = invalidate_inodes(sb, kill_dirty);
> >  		drop_super(sb);
> >  	}
> >  	invalidate_bdev(bdev);
> 
> Neil, I think you also need to change the EXPORT_SYMBOL from
> __invalidate_device to __invalidate_device2.  The floppy module won't
> build without that change.

Good point, thank.
I've just made this change in mt for-next tree so it should appear in -next
today?

NeilBrown
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