Re: [PATCH] staging/lustre: add BLOCK depends in Kconfig

Dilger, Andreas
2013-07-26T07:34:11Z

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On 2013/07/26 12:54 AM, "Xiong Zhou" <jencce.kernel@gmail.com> wrote:

>2013/7/26 Dilger, Andreas <andreas.dilger@intel.com>:
>> On 2013/07/25 1:06 AM, "Xiong Zhou" <jencce.kernel@gmail.com> wrote:
>>
>>>From: Xiong Zhou <jencce.kernel@gmail.com>
>>>
>>>Add BLOCK depends in Kconfig for LUSTRE to fix this:
>>>drivers/staging/lustre/lustre/fid/../include/linux/lustre_compat25.h:117
>>>:2
>>>:
>>>error: implicit declaration of function Ê½unregister_blkdevÊ¼
>>>
>>>Signed-off-by: Xiong Zhou <jencce.kernel@gmail.com>
>>>---
>>> drivers/staging/lustre/lustre/Kconfig | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>>diff --git a/drivers/staging/lustre/lustre/Kconfig
>>>b/drivers/staging/lustre/lustre/Kconfig
>>>index 9ae7fa8..0b45de0 100644
>>>--- a/drivers/staging/lustre/lustre/Kconfig
>>>+++ b/drivers/staging/lustre/lustre/Kconfig
>>>@@ -1,6 +1,6 @@
>>> config LUSTRE_FS
>>> tristate "Lustre file system client support"
>>>- depends on STAGING && INET && m
>>>+ depends on STAGING && INET && BLOCK && m
>>> select LNET
>>> select CRYPTO
>>> select CRYPTO_CRC32
>>
>> The Lustre client does not need a block device - it is a network
>> filesystem.
>> The one piece of code that is relevant here relates to a
>>Lustre-optimized
>> "loop" device that bypasses the VFS, data copying, and DLM locking for
>>use
>> by swap and such. It would be better instead to make that code
>>conditional
>> and add a new CONFIG_LUSTRE_LLOOP or similar, and only make that part
>> dependent on BLOCK.
>
>This makes sence. I noticed that this patch has gone into Greg's tree,
>so a coming patch based on this patch is cool?

That would be fine, thanks.

Cheers, Andreas
--
Andreas Dilger

Lustre Software Architect
Intel High Performance Data Division

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