linux-kernel - Re: [PATCH] tracing/events: convert block trace points to TRACE

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Date:	Wed, 10 Jun 2009 10:56:51 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH] tracing/events: convert block trace points to TRACE_EVENT(),
 fix

Steven Rostedt wrote:
> On Wed, 10 Jun 2009, Li Zefan wrote:
> 
>> Fix building failures when CONFIG_BLOCK == n.
>>
>> [ Impact: build fix ]
>>
>> Signed-off-by: Li Zefan <lizf@...fujitsu.com>
>> ---
>>  include/linux/blktrace_api.h |    4 ++--
>>  1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
>> index c7ec31d..7e4350e 100644
>> --- a/include/linux/blktrace_api.h
>> +++ b/include/linux/blktrace_api.h
>> @@ -218,7 +218,7 @@ static inline int blk_trace_init_sysfs(struct device *dev)
>>  
>>  #endif /* CONFIG_BLK_DEV_IO_TRACE */
>>  
>> -#ifdef CONFIG_EVENT_TRACING
>> +#if defined(CONFIG_EVENT_TRACING) && defined(CONFIG_BLOCK)
>>  
>>  static inline int blk_cmd_buf_len(struct request *rq)
>>  {
>> @@ -229,7 +229,7 @@ extern void blk_dump_cmd(char *buf, struct request *rq);
>>  extern void blk_fill_rwbs(char *rwbs, u32 rw, int bytes);
>>  extern void blk_fill_rwbs_rq(char *rwbs, struct request *rq);
>>  
>> -#endif /* CONFIG_EVENT_TRACING */
>> +#endif /* CONFIG_EVENT_TRACING && CONFIG_BLOCK */
>>  
>>  #endif /* __KERNEL__ */
>>  #endif
> 
> Heh, this is the exact same fix that I did. I'll throw mine out and take 
> yours, since it is your code ;-)
> 

Thanks! Either is fine for me. :)


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