Re: [PATCH 3/5] writeback: stop background/kupdate works fromlivelocking other works

From: Jan Kara
Date: Wed Nov 10 2010 - 11:27:03 EST


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@xxxxxxx>
SUSE Labs, CR
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