linux-kernel - [PATCH] tracing: remove unused TRACE_SEQ_BUF

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Message-Id: <1579586086-45543-1-git-send-email-alex.shi@linux.alibaba.com>
Date:   Tue, 21 Jan 2020 13:54:46 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] tracing: remove unused TRACE_SEQ_BUF_USED

This macro isn't used from commit 3a161d99c43c ("tracing: Create
seq_buf layer in trace_seq"). so no needs to keep it.

Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: Steven Rostedt <rostedt@...dmis.org> 
Cc: Ingo Molnar <mingo@...hat.com> 
Cc: linux-kernel@...r.kernel.org 
---
 kernel/trace/trace_seq.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/kernel/trace/trace_seq.c b/kernel/trace/trace_seq.c
index 87de6edafd14..1d84fcc78e3e 100644
--- a/kernel/trace/trace_seq.c
+++ b/kernel/trace/trace_seq.c
@@ -30,9 +30,6 @@
 /* How much buffer is left on the trace_seq? */
 #define TRACE_SEQ_BUF_LEFT(s) seq_buf_buffer_left(&(s)->seq)
 
-/* How much buffer is written? */
-#define TRACE_SEQ_BUF_USED(s) seq_buf_used(&(s)->seq)
-
 /*
  * trace_seq should work with being initialized with 0s.
  */
-- 
1.8.3.1