svn commit: r289415 - in head: . sys/sys

[Bryan Drewery]

On 10/17/2015 12:34 AM, Alexander Motin wrote:
> On 16.10.2015 21:26, Alexander Motin wrote:
>> On 16.10.2015 21:17, Bryan Drewery wrote:
>>> On 10/16/2015 1:57 AM, Alexander Motin wrote:
>>>> Author: mav
>>>> Date: Fri Oct 16 08:57:11 2015
>>>> New Revision: 289415
>>>> URL: https://svnweb.freebsd.org/changeset/base/289415
>>>>
>>>> Log:
>>>>   Bump version and add notice about incompatibility introduced by resumable
>>>>   send/receive support in ZFS.
>>>>
>>>> Modified:
>>>>   head/UPDATING
>>>>   head/sys/sys/param.h
>>>>
>>>> Modified: head/UPDATING
>>>> ==============================================================================
>>>> --- head/UPDATING	Fri Oct 16 08:22:21 2015	(r289414)
>>>> +++ head/UPDATING	Fri Oct 16 08:57:11 2015	(r289415)
>>>> @@ -31,6 +31,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11
>>>>  	disable the most expensive debugging functionality run
>>>>  	"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
>>>>  
>>>> +20151015:
>>>> +	Added ZFS support for resumable send/receive changed respective
>>>> +	IOCTL API/ABI.  Compatibility ABI shims were provided for other
>>>> +	functionality, while receive require version match between world
>>>> +	and kernel.
>>>
>>> This means for example that 'zfs recv' in a 10.2 jail running on a 11.0
>>> kernel will not work? Can compatibility be added for it?
>>
>> The structures passed as argument for receive are large and completely
>> different. Unfortunately I don't know enough about that code to say
>> whether new one can be forged from the old one. I'll take another look,
>> but can not promise anything.
> 
> My first thought I was wrong. r289445 should fix compatibility.
> 

Thank you! While I don't run this setup I could see it being a common
issue otherwise.

-- 
Regards,
Bryan Drewery

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