linux-kernel - Re: [PATCH -next] zram: fix build errors, depends on BLOCK

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Message-ID: <4C237F75.70603@oracle.com>
Date:	Thu, 24 Jun 2010 08:53:25 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	ngupta@...are.org
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	devel@...verdev.osuosl.org, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, gregkh@...e.de
Subject: Re: [PATCH -next] zram: fix build errors, depends on BLOCK

On 06/24/10 08:47, Nitin Gupta wrote:
> On 06/24/2010 08:02 PM, Randy Dunlap wrote:
>> On 06/23/10 21:36, Nitin Gupta wrote:
>>> On 06/24/2010 08:57 AM, Randy Dunlap wrote:
>>>> From: Randy Dunlap <randy.dunlap@...cle.com>
>>>>
>>>> Fix 49 zram build errors in one swoop.  Examples:
>>>>
>>>> drivers/staging/zram/zram_drv.c:225: error: dereferencing pointer to incomplete type
>>>> drivers/staging/zram/zram_drv.c:226: error: implicit declaration of function 'bio_for_each_segment'
>>>> drivers/staging/zram/zram_drv.c:226: error: expected ';' before '{' token
>>>> drivers/staging/zram/zram_drv.c:281: error: implicit declaration of function 'bio_endio'
>>>> drivers/staging/zram/zram_drv.c:285: error: implicit declaration of function 'bio_io_error'
>>>> drivers/staging/zram/zram_drv.c:545: error: implicit declaration of function 'set_capacity'
>>>> drivers/staging/zram/zram_drv.c:548: error: implicit declaration of function 'queue_flag_set_unlocked'
>>>> drivers/staging/zram/zram_drv.c:548: error: 'QUEUE_FLAG_NONROT' undeclared (first use in this function)
>>>> drivers/staging/zram/zram_drv.c:548: error: dereferencing pointer to incomplete type
>>>>
>>>
>>>
>>> Thanks for the fix. Strangely, I didn't get any of these
>>> errors when I compiled against mainline.
>>
>> This patch isn't against mainline, it's against linux-next.
>> See subject's "[PATCH -next]" hint.
>>
> 
> Randy, I understood that your patch is against linux-next. I was just wondering
> why the error did not come up when I applied and tested this whole zram thing
> against linux mainline.

Did you test a build with CONFIG_BLOCK disabled?

> Anyways, thanks for the fix.


-- 
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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