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

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Message-ID: <20110109234410.GB9573@Krystal>
Date:	Sun, 9 Jan 2011 18:44:10 -0500
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Dave Chinner <david@...morbit.com>
Cc:	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>,
	Steven Whitehouse <swhiteho@...hat.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

* 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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