Re: ext4: fix reference counting bug on block allocation error

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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.


confused,

Confused too :-)


Vegard
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