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SubjectRe: [PATCH] block: fix q->flush_rq NULL pointer crash on dm-mpath flush
On 2014-03-08 15:09, Mike Snitzer wrote:
> On Sat, Mar 08 2014 at 4:33pm -0500,
> Hannes Reinecke <hare@suse.de> wrote:
>
>> On 03/08/2014 07:13 PM, Mike Snitzer wrote:
>>>
>>> I'm calm.. was just a bit frustrated. But this isn't a big deal.
>>> I'll make an effort to reach out to relevant people sooner when
>>> similar stuff is reported against recently upstreamed code. Would be
>>> cool if you did the same. I can relate to needing to have the distro
>>> vendor hat on (first needing to determine/answer "is this issue
>>> specific to our hacked distro kernel?", etc).
>>>
>> The patch I made wasn't in the context of 'recently upstreamed
>> code', it was due to a backport Jan Kara did for our next distro
>> kernels (3.12-based).
>
> "3.12-based" means nothing given all the backporting for SLES, much like
> "3.10-based" means nothing in the context of RHEL7.
>
> The only way this fix is applicable is in the context of "recently
> upstreamed code", commit 1874198 ("blk-mq: rework flush sequencing
> logic") went upstream for v3.14-rc3.
>
> Jens, please feel free to queue this tested fix for 3.14-rc:

Thanks Mike, queued up. Also queued up the list addition reversal change.

--
Jens Axboe



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