Re: udevd is killing file write performance.

From: John McCutchan
Date: Sun Feb 26 2006 - 11:57:46 EST


On Fri, 2006-24-02 at 18:19 +1100, Nick Piggin wrote:
> Andrew Morton wrote:
> > Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:
> >
> >>@@ -538,7 +579,7 @@ void inotify_dentry_parent_queue_event(s
> >> struct dentry *parent;
> >> struct inode *inode;
> >>
> >> - if (!atomic_read (&inotify_watches))
> >> + if (!(dentry->d_flags & DCACHE_INOTIFY_PARENT_WATCHED))
> >
> >
> > Yeah, I think that would work. One would need to wire up d_move() also -
> > for when a file is moved from a watched to non-watched directory and
> > vice-versa.
> >
> >
>
> Oh yeah of course, good catch. Are there any other cases missing?
>
> ... I'll let the others on this thread digest before spitting out
> another patch.
>
> John or Robert, is there some kind of inotify test suite around?

Unfortunately there isn't. In the past gamin's test suite was a good
start, but it hasn't been working for a while now.

--
John McCutchan <john@xxxxxxxxxxxxxxxxx>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/