linux-kernel - Re: [Cluster-devel] [PATCH] dlm: remove unnecessary error check

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Date:	Wed, 17 Jun 2015 10:14:55 +0800
From:	Guoqing Jiang <gqJiang@...e.com>
To:	David Teigland <teigland@...hat.com>
CC:	Bob Peterson <rpeterso@...hat.com>, ccaulfie@...hat.com,
	cluster-devel@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [Cluster-devel] [PATCH] dlm: remove unnecessary error check

Hi David,

David Teigland wrote:
> On Thu, Jun 11, 2015 at 05:47:28PM +0800, Guoqing Jiang wrote:
>   
>> Do you consider take the following clean up? If yes, I will send a
>> formal patch, otherwise pls ignore it.
>>     
>
> On first glance, the old and new code do not appear to do the same thing,
> so let's leave it as it is.
>
>   
>> -       to_nodeid = dlm_dir_nodeid(r);
>>     
Sorry, seems it is the only different thing, if combines previous change
with below modification, then the behavior is same.

@@ -3644,7 +3644,10 @@ static int send_common(struct dlm_rsb *r, struct
dlm_lkb *lkb, int mstype)
        struct dlm_mhandle *mh;
        int to_nodeid, error;
 
-       to_nodeid = r->res_nodeid;
+       if (mstype == DLM_MSG_LOOKUP)
+               to_nodeid = dlm_dir_nodeid(r);
+       else
+               to_nodeid = r->res_nodeid;

And for create_message, the second parameter (lkb) is not effective to
create three type msgs (REQUEST/LOOKUP/REMOVE).

Thanks,
Guoqing
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