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SubjectRe: [PATCH 3/5] writeback: stop background/kupdate works from livelocking other works
Jan, the below comment is also updated, please double check.

>
> /*
> + * Background writeout and kupdate-style writeback may
> + * run forever. Stop them if there is other work to do
> + * so that e.g. sync can proceed. They'll be restarted
> + * after the other works are all done.
> + */
> + if ((work->for_background || work->for_kupdate) &&
> + !list_empty(&wb->bdi->work_list))
> + break;
> +
> + /*
> * For background writeout, stop when we are below the
> * background dirty threshold
> */
>


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