Re: [patch] stop inotify from sending random DELETE_SELF event under load

John McCutchan
2005-09-20T05:04:37Z

On Tue, 2005-09-20 at 05:58 +0100, Al Viro wrote:
> On Tue, Sep 20, 2005 at 12:53:12AM -0400, John McCutchan wrote:
> > DELETE_SELF WD=X
> >
> > The path you requested a watch on (inotify_add_watch(path,mask) returned
> > X) has been deleted.
>
> Then why the devil do we have IN_DELETE and IN_DELETE_SELF generated
> in different places? The only difference is in who receives the
> event - you send IN_DELETE to watchers on parent and IN_DELETE_SELF
> on watchers on victim. Event itself is the same, judging by your
> description...

No, because in the case of IN_DELETE, the path represented by the WD
hasn't been deleted, it is "PATH(WD)/event->name" that has been. Also,
IN_DELETE_SELF marks the death of the WD, no further events will be sent
with the same WD [Except for the IN_IGNORE].

--
John McCutchan <ttb@tentacle.dhs.org>