Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY_TIME inodes

[Tejun Heo <tj@xxxxxxxxxx>]

Hello, Dave.

On Tue, Aug 25, 2015 at 08:27:20AM +1000, Dave Chinner wrote:
> > I'm still a bit confused.  What prevents the following from happening?
> > 
> > 1. io completion of last dirty page of an inode and work item for
> >    xfs_setfilesize() is queued.
> > 
> > 2. inode removed from dirty list.
> 
> The inode has already been removed from the dirty list - that
> happens at inode writeback submission time, not IO completion.

Ah, yeah, right, somehow was thinking requeue_io() was being called
from completion path.  That's where I was confused.

Thanks.

-- 
tejun