Re: [Qemu-devel] where can i customize rbd object size?

[Stefan Hajnoczi]

On Wed, Aug 19, 2015 at 03:39:20PM +0800, Jaze Lee wrote:
> Hello,
> 
>     qemu-img convert -f qcow2 Trove---mysql-5.6---2015-07-16.qcow2 -O raw
> rbd:openstack-00/8205d01a-874c-44c0-b114-1c03821fcc24:conf=/etc/ceph/ceph.conf
> 
>    How can i specify the object size that rbd uses?  I found that the
> qemu-image can only use the default object size. It is defined in
> block/rbd.c
> 
>     #define OBJ_MAX_SIZE
> <https://lxr.missinglinkelectronics.com/qemu+v2.1.0/+code=OBJ_MAX_SIZE>
> (1UL << OBJ_DEFAULT_OBJ_ORDER
> <https://lxr.missinglinkelectronics.com/qemu+v2.1.0/+code=OBJ_DEFAULT_OBJ_ORDER>
> )
> 
>     If someone know how to specify the object size, please tell me. thanks
> a lot.
>     By the way i do not find the define for  OBJ_DEFAULT_OBJ_ORDER
> <https://lxr.missinglinkelectronics.com/qemu+v2.1.0/+code=OBJ_DEFAULT_OBJ_ORDER>,
> if someone knows , please tell me. Thanks a lot.

I have CCed the rbd.c maintainer for you:
$ scripts/get_maintainer.pl -f block/rbd.c
Josh Durgin <address@hidden> (supporter:RBD)