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SubjectRe: [PATCH 4.4 25/26] blk: Ensure users for current->bio_list can see the full list.
Hi Ben,

On Fri, Apr 7, 2017 at 2:45 PM, Ben Hutchings
<ben.hutchings@codethink.co.uk> wrote:
> On Fri, 2017-04-07 at 10:33 +0200, Jinpu Wang wrote:
>> On Thu, Apr 6, 2017 at 8:17 PM, Ben Hutchings
>> <ben.hutchings@codethink.co.uk> wrote:
>> > On Thu, 2017-04-06 at 10:38 +0200, Greg Kroah-Hartman wrote:
>> >> 4.4-stable review patch. If anyone has any objections, please let me know.
>> >>
>> >> ------------------
>> >>
>> >> From: NeilBrown <neilb@suse.com>
>> >>
>> >> commit f5fe1b51905df7cfe4fdfd85c5fb7bc5b71a094f upstream.
> [...]
>> > Why did you drop the changes in drivers/md/dm.c?
> [...]
>> Because the code snip doesn't exist in 4.4.
>
> It does, and the upstream patch applies to it without any changes! I'm
> objecting to this and the preceding patch until there's a proper
> explanation of why device-mapper should be excluded from the backport.
>
> I've attached an alternate version of this patch that has the
> device-mapper part restored. While I haven't tested this (don't know
> what the test case would be) I think it is rather more likely to be a
> correct backport to 4.4.
>
> Ben.
>
> --
> Ben Hutchings
> Software Developer, Codethink Ltd.
>

Thanks, you're right, just found commit
cd8ad4d9eb6d9ee04e77b42c6a7a15eabada85ac was included in 4.4.55+,

We should use your backport!

--
Jack Wang
Linux Kernel Developer

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