On Fri, Sep 02, 2016 at 10:12:08AM -0700, Linus Torvalds wrote: > On Fri, Sep 2, 2016 at 10:02 AM, Al Viro <v...@zeniv.linux.org.uk> wrote: > > > > It's very much _not_ just overlayfs being pathological - that it certainly > > is, > > but the problem is much wider. > > Al, can you take a look at my two patches, and see if you agree that > they fix it, though?
AFAICS, they should. Locking is obviously saner that way and AFAICS the rest is absolutely straightforward. Acked-by: Al Viro <v...@zeniv.linux.org.uk> > Of course, we now have *another* splice deadlock. That pipe inode is > nasty, it's very easy to deadlock on it in subtle ways. I'm still digging through iomap.c, but that's better taken to another branch of this thread...
