[libvirt] [PATCH] remote generator: Increase upper limit on lists of node devices

[Michal Privoznik]

On 02/10/2017 02:56 PM, Boris Fiuczynski wrote:
> On a system with 697 SCSI disks each configured with 8 paths the command
> virsh nodedev-list fails with
> error: Failed to list node devices
> error: internal error: Too many node_devices '16816' for limit '16384'
> Increasing the upper limit on lists of node devices from 16K to 64K.
> 
> Signed-off-by: Boris Fiuczynski <fiuczy at linux.vnet.ibm.com>
> ---
>  src/remote/remote_protocol.x | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
> index 68469a5..cd0a14c 100644
> --- a/src/remote/remote_protocol.x
> +++ b/src/remote/remote_protocol.x
> @@ -86,7 +86,7 @@ const REMOTE_STORAGE_POOL_LIST_MAX = 4096;
>  const REMOTE_STORAGE_VOL_LIST_MAX = 16384;
>  
>  /* Upper limit on lists of node devices. */
> -const REMOTE_NODE_DEVICE_LIST_MAX = 16384;
> +const REMOTE_NODE_DEVICE_LIST_MAX = 65536;
>  
>  /* Upper limit on lists of node device capabilities. */
>  const REMOTE_NODE_DEVICE_CAPS_LIST_MAX = 65536;
> 

ACKed and pushed. I think history proved that raising these limits is
okay. I did some research of the generated code myself too and both
client & server can cope with the changed limit and different limit on
the other side too (i.e. older client talking to newer server and vice
versa).

Michal