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    Subject[PATCH 05/17] writeback: quit throttling when signal pending
    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;
    +
    check_exceeded:
    /*
    * The bdi thresh is somehow "soft" limit derived from the



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