On Sun, Aug 14, 2016 at 09:02:48PM +0200, Vegard Nossum wrote:
> On 08/14/2016 08:58 PM, Greg KH wrote:
> > On Sun, Aug 14, 2016 at 08:51:25PM +0200, Greg KH wrote:
> > > On Sun, Aug 14, 2016 at 08:37:56PM +0200, Vegard Nossum wrote:
> > > > On 08/14/2016 08:32 PM, Greg KH wrote:
> > > > > Hi Vegard and ext4 developers,
> > > > >
> > > > > The patch below, in Linus's tree, references a patch in the Fixes: line
> > > > > that is not in Linus's tree (neither the git commit id, nor the subject
> > > > > line.)
> > > > >
> > > >
> > > > It seems to exist?
> > > >
> > > > > > Fixes: 8556e8f3b6 ("ext4: Don't allow new groups to be added during block
> > > > allocation")
> > > >
> > > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8556e8f3b6c4c11601ce1e9ea8090a6d8bd5daae
> > > >
> > > > > That's a bit confusing, what is this patch supposed to be fixing up?
> > > > > What stable tree(s) should it go to if the original patch it fixes isn't
> > > > > even in any tree?
> > > >
> > > > The referenced commit adds the ext4_mb_release_context(ac); line which
> > > > is what is causing problems because that releases the context which is
> > > > still in fact in use.
> > >
> > > Oh doh, sorry for the noise, I was only looking at 4.8-rc1 and older, my
> > > fault.
> >
> > Hm, wait. Commit 8556e8f3b6 didn't show up in my filters for some
> > reason (which it not good, and makes me worry), but also, it doesn't
> > apply to the stable trees at all.
> >
> > So can you please send backports of that commit, and this one, if you
> > want them both queued up to any stable kernel tree?
>
> The commit which is being fixed is ancient:
>
> $ git describe 8556e8f3b6
> v2.6.28-5758-g8556e8f3
>
> It's probably already in the base of every current stable tree, no?
Huh? Ok, this odd:
$ git describe --contains 8556e8f3b6
fatal: cannot describe '8556e8f3b6c4c11601ce1e9ea8090a6d8bd5daae'
Yet just a plain 'git describe' does work...
That's what threw me off, I only use --contains as that shows the
release the commit is in.
Ok, that makes me feel a bit better (that my scripts didn't miss the
patch, it was just old), but I wonder what is going on with git...
thanks again,
greg k-h
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