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    SubjectRe: [PATCH 05/10] block: remove per-queue plugging
    On 2011-03-08 22:36, Jeff Moyer wrote:
    > Jens Axboe <jaxboe@fusionio.com> writes:
    >
    >> On 2011-03-08 21:21, Mike Snitzer wrote:
    >>> On Tue, Mar 08 2011 at 7:16am -0500,
    >>> Jens Axboe <jaxboe@fusionio.com> wrote:
    >>>
    >>>> On 2011-03-03 23:13, Mike Snitzer wrote:
    >>>>> I'm now hitting a lockdep issue, while running a 'for-2.6.39/stack-plug'
    >>>>> kernel, when I try an fsync heavy workload to a request-based mpath
    >>>>> device (the kernel ultimately goes down in flames, I've yet to look at
    >>>>> the crashdump I took)
    >>>>
    >>>> Mike, can you re-run with the current stack-plug branch? I've fixed the
    >>>> !CONFIG_BLOCK and rebase issues, and also added a change for this flush
    >>>> on schedule event. It's run outside of the runqueue lock now, so
    >>>> hopefully that should solve this one.
    >>>
    >>> Works for me, thanks.
    >>
    >> Super, thanks! Out of curiousity, did you use dm/md?
    >
    > mm/memory-failure.c: In function 'hwpoison_user_mappings':
    > mm/memory-failure.c:948: error: implicit declaration of function 'lock_page_nosync'
    >
    > You missed a conversion of lock_page_nosync -> lock_page.

    Thanks Jeff, I guess I should run a full modconfig/yesconfig build again
    just to check that everyone is still uptodate.

    --
    Jens Axboe



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