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    SubjectRe: [PATCH 3/5] writeback: stop background/kupdate works from livelocking other works
    On Wed 10-11-10 11:55:16, Wu Fengguang wrote:
    > Jan, the below comment is also updated, please double check.
    Thanks! The comment looks OK.

    > > /*
    > > + * 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
    > > */

    Honza
    --
    Jan Kara <jack@suse.cz>
    SUSE Labs, CR


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