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    SubjectRe: [PATCH] fs: run emergency remount on dedicated workqueue
    On 05/27/2010 04:59 PM, Américo Wang wrote:
    > On Thu, May 27, 2010 at 11:57:23AM +0200, Tejun Heo wrote:
    >> Commit fa4b9074cd8428958c2adf9dc0c831f46e27c193 made s_umount depend
    >> on keventd; however, emergency remount schedules works to keventd
    >> which grabs s_umount creating a circular dependency. Run emergency
    >> remount on a separate workqueue to break it.
    > I have a stupid question, why using workqueue instead of
    > calling do_remount_sb() directly in emergency_remount()?
    > Avoid blocking emergency_remount()?

    Umm... because it's called from interrupt handler? Right?

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