netdev - Re: [PATCH net 2/2] bonding: rename the dev upper link if the master's, name changed

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Message-ID: <52D497A5.1080304@huawei.com>
Date:	Tue, 14 Jan 2014 09:49:25 +0800
From:	Ding Tianhong <dingtianhong@...wei.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Jay Vosburgh <fubar@...ibm.com>,
	Veaceslav Falico <vfalico@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>,
	"David S. Miller" <davem@...emloft.net>,
	Netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net 2/2] bonding: rename the dev upper link if the master's,
 name changed

On 2014/1/14 1:54, Sergei Shtylyov wrote:
> On 13-01-2014 17:08, Ding Tianhong wrote:
> 
>> The bond_maste_rename() will rename the links for slave dev's upper dev link,
> 
>    s/maste/master/.
> 
>> if faild, it will rollback and rename the new name to old name for slave dev.
> 
>    s/faild/failed/.
> 
>> Add a new parameter called name to save the old bonding name in struct bonding.
> 
>> Signed-off-by: Ding Tianhong <dingtianhong@...wei.com>
>> ---
>>   drivers/net/bonding/bond_main.c | 35 +++++++++++++++++++++++++++++++++++
>>   drivers/net/bonding/bonding.h   |  1 +
>>   2 files changed, 36 insertions(+)
> 
>> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
>> index 4b8c58b..8c044c0 100644
>> --- a/drivers/net/bonding/bond_main.c
>> +++ b/drivers/net/bonding/bond_main.c
>> @@ -2799,11 +2799,41 @@ re_arm:
>>
>>   /*-------------------------- netdev event handling --------------------------*/
>>
>> +static int bond_master_rename(struct bonding *bond)
>> +{
>> +    struct slave *slave;
>> +    struct list_head *iter;
>> +    char ori_linkname[IFNAMSIZ + 7], new_linkname[IFNAMSIZ + 7];
> 
>    Perhaps s/ori/old/ is better?
> 
>> +    int err = 0;
>> +
>> +    sprintf(ori_linkname, "upper_%s", bond->name);
>> +    sprintf(new_linkname, "upper_%s", bond->dev->name);
>> +
>> +    bond_for_each_slave(bond, slave, iter) {
>> +
> 
>    No need for this empty line, I think.
> 
>> +        err = netdev_upper_dev_rename(slave->dev, bond->dev, ori_linkname,
>> +                    new_linkname);
> 
>    The continuation line should start right under 'slave' on the broken up line.
> 
> WBR, Sergei
> 
> 
Yes, thanks.

Regards
Ding

> 


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