[Gluster-devel] [PATCH v2 1/2] Qemu/Gluster: Add Gluster protocol as supported network disk formats.

Deepak C Shetty deepakcs at linux.vnet.ibm.com
Fri Oct 5 05:09:11 UTC 2012


>
>>
>>> +                /* if IPv6 addr, use square brackets to enclose it */
>>> +                virBufferAsprintf(opt, "[%s]:%s", disk->hosts->name,
>>> disk->hosts->port);
>>> +            } else {
>>> +                virBufferAsprintf(opt, "%s:%s", disk->hosts->name,
>>> disk->hosts->port);
>>> +            }
>>> +        }
>>> +
>>> +        /* append source path to gluster disk image */
>>> +        virBufferAsprintf(opt, "/%s", disk->src);
>>> +
>>> +        /* if transport type is unix, server name is path to unix
>>> socket, ignore port */
>>> +        if (disk->hosts->transport ==
>>> VIR_DOMAIN_DISK_PROTO_TRANS_UNIX) {
>>> +            virBufferAsprintf(opt, "?socket=%s", disk->hosts->name);
>>> +        }
>> This can be clubbed as part of else clause to the above if condn (if
>> (disk->hosts->transport != VIR_DOMAIN_DISK_PROTO_TRANS_UNIX)), that ways
>> we avoid an un-necessary check of transport here.
>> It also means that disk->src needs to be pulled inside the if & else
>> clauses, which I feel should be ok.
>
> That was the only reason I kept it out of else. Isn't it better to 
> avoid redundant code than replacing if with an else ?
I think it can be coded to look non-redundant too.. you just have to use 
the disk->src inside the virBufferAsprintf, like you are using 
disk->hosts->name. I saw Dan's comment abt using virURIPtr, so maybe 
things change with that.





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