linux-kernel - Re: [patch,v2 01/10] scsi: add scsi_host_alloc

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Message-ID: <x49fw4ocfeq.fsf@segfault.boston.devel.redhat.com>
Date:	Mon, 05 Nov 2012 09:06:53 -0500
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Bart Van Assche <bvanassche@....org>
Cc:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	"James E.J. Bottomley" <JBottomley@...allels.com>
Subject: Re: [patch,v2 01/10] scsi: add scsi_host_alloc_node

Bart Van Assche <bvanassche@....org> writes:

> On 11/02/12 22:45, Jeff Moyer wrote:
>> diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
>> index 593085a..7d7ad8b 100644
>> --- a/drivers/scsi/hosts.c
>> +++ b/drivers/scsi/hosts.c
>> @@ -336,16 +336,25 @@ static struct device_type scsi_host_type = {
>>    **/
>>   struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
>>   {
>> +	return scsi_host_alloc_node(sht, privsize, -1);
>
> Using NUMA_NO_NODE here might improve readability.

Agreed, I'll fix that.

>> diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
>> index 4908480..a1b5c8e 100644
>> --- a/include/scsi/scsi_host.h
>> +++ b/include/scsi/scsi_host.h
>> @@ -733,6 +733,12 @@ struct Scsi_Host {
>>   	struct device *dma_dev;
>>
>>   	/*
>> +	 * Numa node this device is closest to, used for allocating
>> +	 * data structures locally.
>> +	 */
>> +	int numa_node;
>
> Have you considered using #ifdef CONFIG_NUMA / #endif here ? I've
> noticed that all other numa_node members in structures under include/
> have this.

That was an oversight, thanks for pointing it out.  I'll fix it up.

Cheers,
Jeff
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