On Mon 17-09-12 18:39:05, OGAWA Hirofumi wrote:
> Jan Kara <j...@suse.cz> writes:
>
> >> I think you know how to solve it though. You can add the periodic flush
> >> in own task. And you can check bdi->dirty_exceeded in any handlers.
> > Sure, you can have your private thread. That is possible but you will
> > have to duplicate flusher logic and you will still get odd behavior e.g.
> > when your filesystem is on one partition and another filesystem is on a
> > different partition of the same disk.
>
> Right. But it is what current FSes are doing more or less.
It's not. Page writeback is respected by all filesystems in most cases
AFAIK. Inode writeback is a different issue but that's not so interesting
from mm point of view...
Honza
--
Jan Kara <j...@suse.cz>
SUSE Labs, CR
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