[dm-devel] [PATCH] dm-snapshot: workaround for a lockdep warning
Mikulas Patocka
mpatocka at redhat.com
Wed Sep 18 00:08:16 UTC 2013
On Tue, 17 Sep 2013, Mikulas Patocka wrote:
> BTW. this patch is no longer needed on 3.11 because md->io_lock was
> removed there, so the false lockdep warning doesn't happen.
>
> So we need to get this patch to stable trees 3.5 to 3.10, but not
> upstream. How to push the patch there without pushing it upstream?
>
> Mikulas
It's more complicated than that - the original Zdenek's report shows that
the false warning happened on kernel "3.11.1-300.fc20.x86_64+debug". But I
am not able to reproduce the bug on 3.11, I only reproduced it on 3.5-3.10
kernels.
Zdenek, could you reproduce the bug on kernel 3.11?
Mikulas
More information about the dm-devel
mailing list