Re: [PATCH 12/15] writeback: remove writeback_control.more_io

Hugh Dickins
2011-07-13T15:06:48Z

On Wed, 13 Jul 2011, Jan Kara wrote:
> On Wed 13-07-11 03:57:40, Hugh Dickins wrote:
> >
> > I think we should assume that your -requeue_io +redirty_tail is a good
> > fix for the writeback freeze (if you can reassure us, that it does not
> > risk postponing some writes indefinitely)
> Well, I_FREEING or I_WILL_FREE inodes are written back by iput_final()
> and it is reclaim code that is responsible for eventually removing them. So
> writeback code can safely ignore them. I_NEW inodes should move out of this
> state when they are fully set up and in the writeback round following that,
> we will consider them for writeback. So I think the change really makes
> sense.

That fits. Good, thanks for the reassurance.

Hugh