linux-kernel - [PATCH v1] ext4: remove unused EXT_STATS macro from ext4

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Message-Id: <20250527053805.1550912-1-liubaolin12138@163.com>
Date: Tue, 27 May 2025 13:38:05 +0800
From: Baolin Liu <liubaolin12138@....com>
To: tytso@....edu,
	adilger.kernel@...ger.ca
Cc: liubaolin12138@....com,
	linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Baolin Liu <liubaolin@...inos.cn>
Subject: [PATCH v1] ext4: remove unused EXT_STATS macro from ext4_extents.h

From: Baolin Liu <liubaolin@...inos.cn>

The EXT_STATS macro in fs/ext4/ext4_extents.h has been defined
but never used in the codebase since its introduction. This patch
removes it.

Analysis:
1. No references found in fs/ext4/ or other kernel code.
2. No impact on compilation or functionality.
3. Git history shows it was never utilized.

Signed-off-by: Baolin Liu <liubaolin@...inos.cn>
---
 fs/ext4/ext4_extents.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h
index 26435f3a3094..c484125d963f 100644
--- a/fs/ext4/ext4_extents.h
+++ b/fs/ext4/ext4_extents.h
@@ -30,13 +30,6 @@
  */
 #define CHECK_BINSEARCH__
 
-/*
- * If EXT_STATS is defined then stats numbers are collected.
- * These number will be displayed at umount time.
- */
-#define EXT_STATS_
-
-
 /*
  * ext4_inode has i_block array (60 bytes total).
  * The first 12 bytes store ext4_extent_header;
-- 
2.39.2