Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1227366

Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug()

From Linus Torvalds <torvalds@linux-foundation.org>
Newsgroups linux.kernel
Subject Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug()
Date 2015-09-17 21:40 +0200
Message-ID <q9Nce-4WP-23@gated-at.bofh.it> (permalink)
References (6 earlier) <q9rbI-6jD-17@gated-at.bofh.it> <q9tdw-M9-15@gated-at.bofh.it> <q9voZ-3Qg-7@gated-at.bofh.it> <q9w1H-4OT-5@gated-at.bofh.it> <q9wXL-6hr-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

On Wed, Sep 16, 2015 at 7:14 PM, Dave Chinner <david@fromorbit.com> wrote:
>>
>> Dave, if you're testing my current -git, the other performance issue
>> might still be the spinlock thing.
>
> I have the fix as the first commit in my local tree - it'll remain
> there until I get a conflict after an update. :)

Ok. I'm happy to report that you should get a conflict now, and that
the spinlock code should work well for your virtualized case again.

No updates on the plugging thing yet, I'll wait a bit and follow this
thread and see if somebody comes up with any explanations or theories
in the hope that we might not need to revert (or at least have a more
targeted change).

                Linus
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-11 21:40 +0200
  Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-11 22:10 +0200
    Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-11 22:40 +0200
      Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Josef Bacik <jbacik@fb.com> - 2015-09-11 22:50 +0200
        Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-11 23:10 +0200
          Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-12 00:10 +0200
            Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-12 01:20 +0200
              Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-12 01:40 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-12 03:00 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-12 04:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-12 04:30 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-13 01:10 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-13 01:30 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-13 01:50 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-13 15:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-14 01:00 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-14 01:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-14 22:10 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Jan Kara <jack@suse.cz> - 2015-09-16 22:00 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-16 22:10 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-17 00:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-17 02:40 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-17 03:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-17 04:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-17 21:40 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-18 00:50 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-18 01:10 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-18 02:00 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-18 02:40 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-18 04:00 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-18 07:50 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-18 08:10 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-18 08:10 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Jens Axboe <axboe@fb.com> - 2015-09-18 16:30 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-18 15:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Jens Axboe <axboe@fb.com> - 2015-09-18 16:30 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-18 17:40 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Peter Zijlstra <peterz@infradead.org> - 2015-09-18 18:10 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Peter Zijlstra <peterz@infradead.org> - 2015-09-18 18:10 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-18 18:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-19 01:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Jan Kara <jack@suse.cz> - 2015-09-21 11:30 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during  blk_finish_plug() Andrew Morton <akpm@linux-foundation.org> - 2015-09-21 22:30 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-18 01:10 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-18 01:20 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-17 05:50 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Dave Chinner <david@fromorbit.com> - 2015-09-17 06:40 +0200
                Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-17 14:20 +0200
          Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Chris Mason <clm@fb.com> - 2015-09-12 01:10 +0200
            Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Linus Torvalds <torvalds@linux-foundation.org> - 2015-09-12 01:20 +0200

csiph-web