From: Baokun Li <libaokun1@huawei.com>
Date: Wed, 22 Jan 2025 11:41:24 +0000 (+0800)
Subject: ext4: convert EXT4_FLAGS_* defines to enum
X-Git-Tag: io_uring-6.15-20250403~67^2~39
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=99708f8a9d30081a71638d6f4e216350a4340cc3;p=linux-block.git

ext4: convert EXT4_FLAGS_* defines to enum

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

Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://patch.msgid.link/20250122114130.229709-2-libaokun@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 8c5e82433909..8f6bfa25fa6f 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2235,9 +2235,11 @@ 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)
 {