linux-kernel - RE: [PATCH 13/40] staging: lustre: Dynamic LNet Configuration (DLC) show command

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Date:	Tue, 15 Dec 2015 18:14:19 +0000
From:	"Simmons, James A." <simmonsja@...l.gov>
To:	'Dan Carpenter' <dan.carpenter@...cle.com>,
	James Simmons <jsimmons@...radead.org>
CC:	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	Andreas Dilger <andreas.dilger@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Oleg Drokin <oleg.drokin@...el.com>,
	Amir Shehata <amir.shehata@...el.com>,
	"lustre-devel@...ts.lustre.org" <lustre-devel@...ts.lustre.org>
Subject: RE: [PATCH 13/40] staging: lustre: Dynamic LNet Configuration (DLC)
 show command

  
>>  struct libcfs_ioctl_hdr {
>>  	__u32 ioc_len;
>> @@ -87,6 +88,13 @@ do {						    \
>>  	data.ioc_hdr.ioc_len = sizeof(data);			\
>>  } while (0)
>>  
>> +#define LIBCFS_IOC_INIT_V2(data, hdr)			\
>> +do {							\
>> +	memset(&(data), 0, sizeof(data));		\
>> +	(data).hdr.ioc_version = LIBCFS_IOCTL_VERSION2;	\
>> +	(data).hdr.ioc_len = sizeof(data);		\
>> +} while (0)
>> +
>
>Do we really need this?

Would you be okay if this was a inline function? This is used by user land and kernel space code.


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