linux-ext4 - Re: [PATCH] jbd2: Fix a race between checkpointing code and journal_get_write

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Date:	Mon, 13 Jul 2009 09:19:01 -0400
From:	Theodore Tso <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] jbd2: Fix a race between checkpointing code and
	journal_get_write_access()

On Fri, Jul 10, 2009 at 12:07:13PM +0200, Jan Kara wrote:
>   Yes, it should be "this should never happen", unless you run something
> like tune2fs while the filesystem is mounted. But looking at the code, I
> have missed that buffer could be dirty also in
> jbd2_journal_get_create_access() because jbd2_journal_forget() does not
> clear the dirty bit in case the buffer is just being committed. Attached
> patch should fix it. Thanks for report.

Thanks, added to the patch queue.

						- Ted
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