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SubjectRe: [bisected commit 0fc9d10] NFS-server corruption with 3.4
OGAWA Hirofumi wrote:
> Konstantin Khlebnikov<khlebnikov@openvz.org> writes:
>
>> Hmm, very interesting!
>> Please try this patch, it must fix the problem and print some numbers to debug.
>>
>
> I think the bug is in radix_tree_for_each_contig().
>
> radix_tree_next_slot() returns NULL if the slot was NULL (i.e. there is
> hole). But, slot == NULL is not meaning to stop iterate here. Actually,
> if slot is NULL, it gets next chunk.
>
> Bang.

Yeah, you are right, I already found this too.
Currently I think how to fix this more accurately...


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