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    SubjectRe: [PATCH 05/17] writeback: quit throttling when signal pending
    On Sun, 12 Sep 2010 23:49:50 +0800
    Wu Fengguang <fengguang.wu@intel.com> wrote:

    > This allows quick response to Ctrl-C etc. for impatient users.
    >
    > Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
    > ---
    > mm/page-writeback.c | 3 +++
    > 1 file changed, 3 insertions(+)
    >
    > --- linux-next.orig/mm/page-writeback.c 2010-09-09 16:01:14.000000000 +0800
    > +++ linux-next/mm/page-writeback.c 2010-09-09 16:02:27.000000000 +0800
    > @@ -553,6 +553,9 @@ static void balance_dirty_pages(struct a
    > __set_current_state(TASK_INTERRUPTIBLE);
    > io_schedule_timeout(pause);
    >
    > + if (signal_pending(current))
    > + break;
    > +

    Given the patch description, I think you might want "fatal_signal_pending()"
    here ???

    NeilBrown

    > check_exceeded:
    > /*
    > * The bdi thresh is somehow "soft" limit derived from the
    >
    >
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