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From: "Simmons, James A." <simmonsja@ornl.gov>
To: "'Dan Carpenter'" <dan.carpenter@oracle.com>,
        James Simmons <jsimmons@infradead.org>
CC: "devel@driverdev.osuosl.org" <devel@driverdev.osuosl.org>,
        Andreas Dilger <andreas.dilger@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Oleg Drokin <oleg.drokin@intel.com>,
        Amir Shehata <amir.shehata@intel.com>,
        "lustre-devel@lists.lustre.org" <lustre-devel@lists.lustre.org>
Subject: RE: [PATCH 13/40] staging: lustre: Dynamic LNet Configuration (DLC)
 show command
Thread-Topic: [PATCH 13/40] staging: lustre: Dynamic LNet Configuration (DLC)
 show command
Thread-Index: AQHRLPOSs02Aw2T1LUmyysw/D3E4PJ7Mbd/A
Date: Tue, 15 Dec 2015 18:14:19 +0000
Message-ID: <944b6e806bc44a3fa4d6d5e1904a894a@EXCHCS32.ornl.gov>
References: <1448062576-23757-1-git-send-email-jsimmons@infradead.org>
 <1448062576-23757-14-git-send-email-jsimmons@infradead.org>
 <20151202112055.GM18797@mwanda>
In-Reply-To: <20151202112055.GM18797@mwanda>
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>>  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.