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Re: [GIT PULL] overlayfs fixes for 4.9-rc3

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On Sat, Nov 5, 2016 at 5:06 AM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> On Fri, Nov 4, 2016 at 2:30 AM, Miklos Szeredi <miklos@szeredi.hu> wrote:
>>
>> Also introduce the concept of feature flags to allow backward incompatible
>> changes to the overlay format.  This should have been there from day one; the
>> best we can do now is backport to stable kernels.  Add the check for features
>> without adding any actual features yet.
>
> No. I pulled the three other commits, but not that last one.
>
> That feature just seems to actively *encourage* backwards incompatible
> features. It's a bad idea. Don't do it. If we've been able to do
> without it so far, then why should we suddenly start doing things like
> this?
>
> So I don't agree that it should have been there since day one, it just
> shouldn't exist at all.
>

Linus,

Can you please clarify your objection?

I suppose you do not object to the concept of on-disk format version nor on-disk
format compatible/incompatible features sets.
Just to fact that overlayfs didn't have those form day one, so it
should find a way
to cope with that situation without patching stable kernels?

Thanks,
Amir.

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[GIT PULL] overlayfs fixes for 4.9-rc3 Miklos Szeredi <miklos@szeredi.hu> - 2016-11-04 10:40 +0100
  Re: [GIT PULL] overlayfs fixes for 4.9-rc3 Linus Torvalds <torvalds@linux-foundation.org> - 2016-11-05 04:10 +0100
    Re: [GIT PULL] overlayfs fixes for 4.9-rc3 Amir Goldstein <amir73il@gmail.com> - 2016-11-05 07:50 +0100
      Re: [GIT PULL] overlayfs fixes for 4.9-rc3 Linus Torvalds <torvalds@linux-foundation.org> - 2016-11-05 18:50 +0100
        Re: [GIT PULL] overlayfs fixes for 4.9-rc3 Miklos Szeredi <miklos@szeredi.hu> - 2016-11-05 20:50 +0100
          Re: [GIT PULL] overlayfs fixes for 4.9-rc3 Linus Torvalds <torvalds@linux-foundation.org> - 2016-11-05 22:40 +0100

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