From: Artem Bityutskiy <dedekind1@gmail.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCHv5 00/15] kill unnecessary bdi wakeups + cleanups
Date: Sun, 25 Jul 2010 12:01:18 +0300 [thread overview]
Message-ID: <1280048478.9990.3.camel@localhost> (raw)
In-Reply-To: <1280046581-23623-1-git-send-email-dedekind1@gmail.com>
On Sun, 2010-07-25 at 11:29 +0300, Artem Bityutskiy wrote:
> Changes since v4
> Most patches are intact. Only patches N9, N10 and N14 were changed. And patch
> N15 was added. Also, now I tested the patch-set much better.
>
> 1. Fix a bug found while testing: in the forker thread, when we create a bdi
> task and then assign it to 'bdi->wb.task', we need to take the
> 'bdi->work_lock'. Otherwise we can lose a wake-up. Changed this in patch
> N10.
> 2. Add patch 15 which fixes a warning and cleans up 'bdi_register()'.
> 3. Use "switch" in the main forker thread loop. Patch N9 was changed and now it
> also introduces the "switch".
> 4. Stick with Christoph's version of tracepoint names and positions -> changed
> patch N14.
> 5. Add a couple of "Reviewed-by" tags.
Oh, completely forgot to mention another thing.
6. Addressed the issue pointed to by Christoph and added
'del_timer_sync()'
So patch N12 was also tweaked.
--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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prev parent reply other threads:[~2010-07-25 9:08 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-25 8:29 [PATCHv5 00/15] kill unnecessary bdi wakeups + cleanups Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 01/15] writeback: harmonize writeback threads naming Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 02/15] writeback: fix possible race when creating bdi threads Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 03/15] writeback: do not lose wake-ups in the forker thread - 1 Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 04/15] writeback: do not lose wake-ups in the forker thread - 2 Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 05/15] writeback: do not lose wake-ups in bdi threads Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 06/15] writeback: simplify bdi code a little Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 07/15] writeback: do not remove bdi from bdi_list Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 08/15] writeback: move last_active to bdi Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 09/15] writeback: restructure bdi forker loop a little Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 10/15] writeback: move bdi threads exiting logic to the forker thread Artem Bityutskiy
2010-07-25 9:26 ` [PATCHv5-1 " Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 11/15] writeback: prevent unnecessary bdi threads wakeups Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 12/15] writeback: optimize periodic bdi thread wakeups Artem Bityutskiy
2010-07-25 10:41 ` Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 13/15] writeback: remove unnecessary init_timer call Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 14/15] writeback: add new tracepoints Artem Bityutskiy
2010-07-25 8:29 ` [PATCHv5 15/15] writeback: cleanup bdi_register Artem Bityutskiy
2010-07-25 9:01 ` Artem Bityutskiy [this message]
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