linux-ext4 - Re: [PATCH 3/4] jbd2: Move lockdep tracking to journal

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Message-ID: <20160630154005.GE2028@thunk.org>
Date:	Thu, 30 Jun 2016 11:40:05 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org, Eryu Guan <eguan@...hat.com>
Subject: Re: [PATCH 3/4] jbd2: Move lockdep tracking to journal_s

On Thu, Jun 16, 2016 at 12:42:15PM +0200, Jan Kara wrote:
> Currently lockdep map is tracked in each journal handle. To be able to
> expand lockdep support to cover also other cases where we depend on
> transaction commit and where handle is not available, move lockdep map
> into struct journal_s. Since this makes the lockdep map shared for all
> handles, we have to use rwsem_acquire_read() for acquisitions now.
> 
> Signed-off-by: Jan Kara <jack@...e.cz>

Thanks, applied.  I added documentation for j_trans_commit_map to keep
the kbuild checker happy.

						- Ted
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