linux-kernel - Re: [RFC patch 27/28] trace event fs remove semicolons

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Date:	Mon, 10 Jan 2011 09:09:36 +0000
From:	Steven Whitehouse <swhiteho@...hat.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:	Dave Chinner <david@...morbit.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Christoph Hellwig <hch@....de>, Alex Elder <aelder@....com>,
	Li Zefan <lizf@...fujitsu.com>
Subject: Re: [RFC patch 27/28] trace event fs remove semicolons

Hi,

Acked-by: Steven Whitehouse <swhiteho@...hat.com>

Steve.

On Sun, 2011-01-09 at 18:44 -0500, Mathieu Desnoyers wrote:
> * Dave Chinner (david@...morbit.com) wrote:
> > On Sun, Jan 09, 2011 at 04:59:54PM -0500, Mathieu Desnoyers wrote:
> > > Part of the gradual TRACE_EVENT() semicolon removal. Enables creation of array
> > > of events, thus saving space for trace event probes.  Remove extra trailing
> > > semicolons at the end of XFS and GFS2 trace event declarations.
> > 
> > Can you split the patch in to a separate XFs and GFS2 patches
> > (similar to the ext4-only patch) so we can take it through the XFS
> > tree as needed?
> 
> Second patch, for GFS2:
> 
> trace event gfs2 remove semicolons
> 
> Part of the gradual TRACE_EVENT() semicolon removal. Enables creation of array
> of events, thus saving space for trace event probes.  Remove extra trailing
> semicolons at the end of GFS2 trace event declarations.
> 
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
> CC: Steven Rostedt <rostedt@...dmis.org>
> CC: Frederic Weisbecker <fweisbec@...il.com>
> CC: Ingo Molnar <mingo@...e.hu>
> CC: Thomas Gleixner <tglx@...utronix.de>
> CC: Steven Whitehouse <swhiteho@...hat.com>
> ---
>  fs/gfs2/trace_gfs2.h |   26 +++++++++++++-------------
>  1 file changed, 13 insertions(+), 13 deletions(-)
> 
> Index: linux-2.6-lttng/fs/gfs2/trace_gfs2.h
> ===================================================================
> --- linux-2.6-lttng.orig/fs/gfs2/trace_gfs2.h
> +++ linux-2.6-lttng/fs/gfs2/trace_gfs2.h
> @@ -42,8 +42,8 @@
>  	{(1UL << GLF_FROZEN),			"F" },		\
>  	{(1UL << GLF_QUEUED),			"q" })
>  
> -#ifndef NUMPTY
> -#define NUMPTY
> +#ifndef _TRACE_GFS2_DEF_
> +#define _TRACE_GFS2_DEF_
>  static inline u8 glock_trace_state(unsigned int state)
>  {
>  	switch(state) {
> @@ -56,7 +56,7 @@ static inline u8 glock_trace_state(unsig
>  	}
>  	return DLM_LOCK_NL;
>  }
> -#endif
> +#endif /* _TRACE_GFS2_DEF_ */
>  
>  /* Section 1 - Locking
>   *
> @@ -105,7 +105,7 @@ TRACE_EVENT(gfs2_glock_state_change,
>  		  glock_trace_name(__entry->tgt_state),
>  		  glock_trace_name(__entry->dmt_state),
>  		  show_glock_flags(__entry->flags))
> -);
> +)
>  
>  /* State change -> unlocked, glock is being deallocated */
>  TRACE_EVENT(gfs2_glock_put,
> @@ -137,7 +137,7 @@ TRACE_EVENT(gfs2_glock_put,
>  		  glock_trace_name(DLM_LOCK_IV),
>  		  show_glock_flags(__entry->flags))
>  
> -);
> +)
>  
>  /* Callback (local or remote) requesting lock demotion */
>  TRACE_EVENT(gfs2_demote_rq,
> @@ -171,7 +171,7 @@ TRACE_EVENT(gfs2_demote_rq,
>                    glock_trace_name(__entry->dmt_state),
>  		  show_glock_flags(__entry->flags))
>  
> -);
> +)
>  
>  /* Promotion/grant of a glock */
>  TRACE_EVENT(gfs2_promote,
> @@ -201,7 +201,7 @@ TRACE_EVENT(gfs2_promote,
>  		  (unsigned long long)__entry->glnum,
>  		  __entry->first ? "first": "other",
>  		  glock_trace_name(__entry->state))
> -);
> +)
>  
>  /* Queue/dequeue a lock request */
>  TRACE_EVENT(gfs2_glock_queue,
> @@ -231,7 +231,7 @@ TRACE_EVENT(gfs2_glock_queue,
>  		  (unsigned long long)__entry->glnum,
>  		  __entry->queue ? "" : "de",
>  		  glock_trace_name(__entry->state))
> -);
> +)
>  
>  /* Section 2 - Log/journal
>   *
> @@ -270,7 +270,7 @@ TRACE_EVENT(gfs2_pin,
>  		  (unsigned long long)__entry->block,
>  		  (unsigned long)__entry->len,
>  		  (unsigned long long)__entry->ino)
> -);
> +)
>  
>  /* Flushing the log */
>  TRACE_EVENT(gfs2_log_flush,
> @@ -295,7 +295,7 @@ TRACE_EVENT(gfs2_log_flush,
>  		  MAJOR(__entry->dev), MINOR(__entry->dev),
>  		  __entry->start ? "start" : "end",
>  		  (unsigned long long)__entry->log_seq)
> -);
> +)
>  
>  /* Reserving/releasing blocks in the log */
>  TRACE_EVENT(gfs2_log_blocks,
> @@ -316,7 +316,7 @@ TRACE_EVENT(gfs2_log_blocks,
>  
>  	TP_printk("%u,%u log reserve %d", MAJOR(__entry->dev),
>  		  MINOR(__entry->dev), __entry->blocks)
> -);
> +)
>  
>  /* Section 3 - bmap
>   *
> @@ -364,7 +364,7 @@ TRACE_EVENT(gfs2_bmap,
>  		  (unsigned long long)__entry->pblock,
>  		  __entry->state, __entry->create ? "create " : "nocreate",
>  		  __entry->errno)
> -);
> +)
>  
>  /* Keep track of blocks as they are allocated/freed */
>  TRACE_EVENT(gfs2_block_alloc,
> @@ -396,7 +396,7 @@ TRACE_EVENT(gfs2_block_alloc,
>  		  (unsigned long long)__entry->start,
>  		  (unsigned long)__entry->len,
>  		  block_state_name(__entry->block_state))
> -);
> +)
>  
>  #endif /* _TRACE_GFS2_H */
>  
> 
> -- 
> Mathieu Desnoyers
> Operating System Efficiency R&D Consultant
> EfficiOS Inc.
> http://www.efficios.com


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