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    SubjectRe: [PATCH 0/6 v7] overlay filesystem - request for inclusion
    On Tue, Mar 22, 2011 at 10:36:09AM -0700, Linus Torvalds wrote:
    > On Tue, Mar 22, 2011 at 8:26 AM, Miklos Szeredi <> wrote:
    > > Here's an updated version of the overlay filesystem. ?I'd like to
    > > propose it for inclusion into mainline.
    > So on the whole it looked pretty small and simple. And most of the VFS
    > level changes looked fine and I just reacted to the odd calling
    > convention for open (I really think you should aim for ->open to have
    > the basically same arguments as you made __dentry_open have: 'struct
    > path', 'struct filp' and 'struct cred').
    > But I'd want Al's ack on the series. And also hear who uses it and how
    > it's been tested?

    To be honest, I *really* don't like to touch that before ->atomic_open()
    is finished. We are nearly there (the only remaining prereq is to sort out
    revalidate vs. mountpoint crossing issues), so with any luck the neighborhood
    of open() will be finished in for-next circa -rc3 or so.

    As for the rest of it... I'll need to review that in details, but the first
    impression from that code is that I don't like the way copyup is done.
    Locking analysis would be really nice; AFAICS, it violates locking order
    when called from e.g. ->setattr() and its protection against renames is
    nowhere near enough. I might be missing something subtle, but...

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