[DRBD-user] compile error 8.3.3RC3

Jeroen Groenewegen van der Weyden groen692 at grosc.com
Mon Oct 5 14:51:55 CEST 2009

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


the openSUSE xen kernel

http://download.opensuse.org/repositories/Kernel:/HEAD/openSUSE_11.1/x86_64/kernel-xen-devel-2.6.31.1-3.1.x86_64.rpm
http://download.opensuse.org/repositories/Kernel:/HEAD/openSUSE_11.1/noarch/kernel-source-2.6.31.1-3.1.noarch.rpm

indeed the error also occures  in 8.3.2 but I can confirm to you 
8.3.3RC3 has the same probleem.

mfg,

jeroen

Lars Ellenberg wrote:
> On Mon, Oct 05, 2009 at 01:21:07PM +0200, Jeroen Groenewegen van der Weyden wrote:
>   
>> Hello,
>>
>> I tried to compile drbd 8.3.3RC against kernel source  2.6.31.1-3, I get  
>> a compile error.
>>     
>
> uhm.
> what exact kernel source is that?
> distro? kernel.org?
>
> Did you (or those guys responsible for your kernel source)
> notice this upstream commit?
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=0f78ab9899e9d6acb09d5465def618704255963b;hp=e00c54c36ac2024c3a8a37432e2e2698ff849594
>
>   
>> Sources obtained from http://oss.linbit.com/drbd/8.3/drbd-8.3.3rc3.tar.gz
>>
>> ++++++++++ compile error  +++++++++++
>>
>>  CC [M]  /root/drbd-8.3.2/dist/BUILD/drbd-8.3.2/drbd/drbd_req.o
>>     
>                  ^^^^^^^^^^
> you say its 8.3.3rc, yet it is in drbd-8.3.2?
>
>   
>> /root/drbd-8.3.2/dist/BUILD/drbd-8.3.2/drbd/drbd_req.c: In function  
>> â_drbd_start_io_acctâ:
>> /root/drbd-8.3.2/dist/BUILD/drbd-8.3.2/drbd/drbd_req.c:64: error: lvalue  
>> required as increment operand
>> /root/drbd-8.3.2/dist/BUILD/drbd-8.3.2/drbd/drbd_req.c: In function  
>> â_drbd_end_io_acctâ:
>> /root/drbd-8.3.2/dist/BUILD/drbd-8.3.2/drbd/drbd_req.c:86: error: lvalue  
>> required as decrement operand
>> make[6]: *** [/root/drbd-8.3.2/dist/BUILD/drbd-8.3.2/drbd/drbd_req.o]  
>> Error 1
>> make[5]: *** [_module_/root/drbd-8.3.2/dist/BUILD/drbd-8.3.2/drbd] Error 2
>> make[4]: *** [sub-make] Error 2
>> make[3]: *** [all] Error 2
>>
>> ++++++++++ compile error  +++++++++++
>>
>>
>>
>> solution
>>
>> based on this patch but only for lines 64 and 86
>>
>> "diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
>>
>> index cbdc257..0656cf1 100644
>> --- a/drivers/block/drbd/drbd_req.c
>> +++ b/drivers/block/drbd/drbd_req.c
>> @@ -42,7 +42,7 @@  static void _drbd_start_io_acct(struct drbd_conf *mdev, struct drbd_request *req
>> 	part_stat_inc(cpu, &mdev->vdisk->part0, ios[rw]);
>> 	part_stat_add(cpu, &mdev->vdisk->part0, sectors[rw], bio_sectors(bio));
>> 	part_stat_unlock();
>> -	mdev->vdisk->part0.in_flight++;
>> +	mdev->vdisk->part0.in_flight[rw]++;
>> }
>>     
>
> ...
>
>   

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