linux-kernel - [PATCH 1/7] ext4: convert EXT4_FLAGS

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Message-Id: <20250117082315.2869996-2-libaokun@huaweicloud.com>
Date: Fri, 17 Jan 2025 16:23:09 +0800
From: libaokun@...weicloud.com
To: linux-ext4@...r.kernel.org
Cc: tytso@....edu,
	adilger.kernel@...ger.ca,
	jack@...e.cz,
	linux-kernel@...r.kernel.org,
	yi.zhang@...wei.com,
	yangerkun@...wei.com,
	libaokun@...weicloud.com,
	Baokun Li <libaokun1@...wei.com>
Subject: [PATCH 1/7] ext4: convert EXT4_FLAGS_* defines to enum

From: Baokun Li <libaokun1@...wei.com>

Do away with the defines and use an enum as it's cleaner.

Signed-off-by: Baokun Li <libaokun1@...wei.com>
---
 fs/ext4/ext4.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 4e7de7eaa374..612208527512 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2232,9 +2232,11 @@ extern int ext4_feature_set_ok(struct super_block *sb, int readonly);
 /*
  * Superblock flags
  */
-#define EXT4_FLAGS_RESIZING	0
-#define EXT4_FLAGS_SHUTDOWN	1
-#define EXT4_FLAGS_BDEV_IS_DAX	2
+enum {
+	EXT4_FLAGS_RESIZING,	/* Avoid superblock update and resize race */
+	EXT4_FLAGS_SHUTDOWN,	/* Prevent access to the file system */
+	EXT4_FLAGS_BDEV_IS_DAX	/* Current block device support DAX */
+};
 
 static inline int ext4_forced_shutdown(struct super_block *sb)
 {
-- 
2.39.2