From: Theodore Ts'o <tytso@mit.edu>
To: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org, Eryu Guan <eguan@redhat.com>
Subject: Re: [PATCH 3/4] jbd2: Move lockdep tracking to journal_s
Date: Thu, 30 Jun 2016 11:40:05 -0400 [thread overview]
Message-ID: <20160630154005.GE2028@thunk.org> (raw)
In-Reply-To: <1466073736-30447-4-git-send-email-jack@suse.cz>
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@suse.cz>
Thanks, applied. I added documentation for j_trans_commit_map to keep
the kbuild checker happy.
- Ted
next prev parent reply other threads:[~2016-06-30 15:40 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-16 10:42 [PATCH 0/4] ext4: Fix deadlock during page writeback Jan Kara
2016-06-16 10:42 ` [PATCH 1/4] " Jan Kara
2016-06-30 15:05 ` Theodore Ts'o
2016-07-01 9:09 ` Jan Kara
2016-07-01 16:53 ` Theodore Ts'o
2016-07-01 17:40 ` Jan Kara
2016-07-01 21:26 ` Theodore Ts'o
2016-07-04 14:00 ` Jan Kara
2016-07-04 15:20 ` Theodore Ts'o
2016-07-04 15:47 ` Jan Kara
2016-07-05 2:43 ` Theodore Ts'o
2016-07-06 7:04 ` Jan Kara
2016-07-04 14:14 ` Theodore Ts'o
2016-07-04 15:51 ` Jan Kara
2016-07-05 3:38 ` Theodore Ts'o
2016-07-06 7:51 ` Jan Kara
2016-07-06 12:35 ` Theodore Ts'o
2016-07-06 12:52 ` Jan Kara
2016-07-06 14:27 ` Theodore Ts'o
2016-07-06 14:41 ` Jan Kara
2016-06-16 10:42 ` [PATCH 2/4] jbd2: Move lockdep instrumentation for jbd2 handles Jan Kara
2016-06-30 15:34 ` Theodore Ts'o
2016-06-16 10:42 ` [PATCH 3/4] jbd2: Move lockdep tracking to journal_s Jan Kara
2016-06-16 11:42 ` kbuild test robot
2016-06-30 15:40 ` Theodore Ts'o [this message]
2016-06-16 10:42 ` [PATCH 4/4] jbd2: Track more dependencies on transaction commit Jan Kara
2016-06-30 15:45 ` Theodore Ts'o
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