linux-kernel - Re: [PATCH -next] pktcdvd: improve BKL and compat

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Message-ID: <4B86F564.9000105@oracle.com>
Date:	Thu, 25 Feb 2010 14:10:44 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Peter Osterlund <petero2@...ia.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Akinobu Mita <akinobu.mita@...il.com>
Subject: Re: [PATCH -next] pktcdvd: improve BKL and compat_ioctl.c usage

On 02/25/10 13:27, Arnd Bergmann wrote:
> The pktcdvd driver uses proper locking and does not need the
> BKL in the ioctl and llseek functions of the character device,
> so kill both. Moving the compat_ioctl handling from common code
> into the driver itself fixes build problems when CONFIG_BLOCK is
> disabled.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> 
> ---
> On Thursday 25 February 2010, Randy Dunlap wrote:
>> From: Randy Dunlap <randy.dunlap@...cle.com>
>>
>> fs/compat_ioctl.c should omit pktcdvd.h and its ioctl when CONFIG_BLOCK
>> is not enabled.  This fixes these build errors:
>>
>> In file included from fs/compat_ioctl.c:105:
>> include/linux/pktcdvd.h:166: error: field 'read_queue' has incomplete type
>> include/linux/pktcdvd.h:167: error: field 'write_queue' has incomplete type
>> include/linux/pktcdvd.h:207: error: field 'orig_bios' has incomplete type
>> make[2]: *** [fs/compat_ioctl.o] Error 1
> 
> How about this one instead, cleaning pktcdvd ioctl handling up for good?

OK, that works too.

Acked-by: Randy Dunlap <randy.dunlap@...cle.com>


thanks,
-- 
~Randy
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