linux-kernel - [PATCH v2 2/3] writeback: Rename variables in trace_balance_dirty

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Message-Id: <20250304110318.159567-3-yizhou.tang@shopee.com>
Date: Tue,  4 Mar 2025 19:03:17 +0800
From: Tang Yizhou <yizhou.tang@...pee.com>
To: tj@...nel.org,
	jack@...e.cz,
	brauner@...nel.org,
	willy@...radead.org,
	akpm@...ux-foundation.org
Cc: rostedt@...dmis.org,
	mhiramat@...nel.org,
	ast@...nel.org,
	linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Tang Yizhou <yizhou.tang@...pee.com>
Subject: [PATCH v2 2/3] writeback: Rename variables in trace_balance_dirty_pages()

From: Tang Yizhou <yizhou.tang@...pee.com>

Rename bdi_setpoint and bdi_dirty in the tracepoint to wb_setpoint and
wb_dirty, respectively. These changes were omitted by Tejun in the cgroup
writeback patchset.

Signed-off-by: Tang Yizhou <yizhou.tang@...pee.com>
---
 include/trace/events/writeback.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 3213b9023794..3046ca6b08ea 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -646,8 +646,8 @@ TRACE_EVENT(balance_dirty_pages,
 		__field(unsigned long,	limit)
 		__field(unsigned long,	setpoint)
 		__field(unsigned long,	dirty)
-		__field(unsigned long,	bdi_setpoint)
-		__field(unsigned long,	bdi_dirty)
+		__field(unsigned long,	wb_setpoint)
+		__field(unsigned long,	wb_dirty)
 		__field(unsigned long,	dirty_ratelimit)
 		__field(unsigned long,	task_ratelimit)
 		__field(unsigned int,	dirtied)
@@ -667,9 +667,9 @@ TRACE_EVENT(balance_dirty_pages,
 		__entry->setpoint	= (global_wb_domain.dirty_limit +
 						freerun) / 2;
 		__entry->dirty		= dtc->dirty;
-		__entry->bdi_setpoint	= __entry->setpoint *
+		__entry->wb_setpoint	= __entry->setpoint *
 						dtc->wb_thresh / (dtc->thresh + 1);
-		__entry->bdi_dirty	= dtc->wb_dirty;
+		__entry->wb_dirty	= dtc->wb_dirty;
 		__entry->dirty_ratelimit = KBps(dirty_ratelimit);
 		__entry->task_ratelimit	= KBps(task_ratelimit);
 		__entry->dirtied	= dirtied;
@@ -685,7 +685,7 @@ TRACE_EVENT(balance_dirty_pages,
 
 	TP_printk("bdi %s: "
 		  "limit=%lu setpoint=%lu dirty=%lu "
-		  "bdi_setpoint=%lu bdi_dirty=%lu "
+		  "wb_setpoint=%lu wb_dirty=%lu "
 		  "dirty_ratelimit=%lu task_ratelimit=%lu "
 		  "dirtied=%u dirtied_pause=%u "
 		  "paused=%lu pause=%ld period=%lu think=%ld cgroup_ino=%lu",
@@ -693,8 +693,8 @@ TRACE_EVENT(balance_dirty_pages,
 		  __entry->limit,
 		  __entry->setpoint,
 		  __entry->dirty,
-		  __entry->bdi_setpoint,
-		  __entry->bdi_dirty,
+		  __entry->wb_setpoint,
+		  __entry->wb_dirty,
 		  __entry->dirty_ratelimit,
 		  __entry->task_ratelimit,
 		  __entry->dirtied,
-- 
2.25.1