linux-kernel - [PATCH v2 05/16] ext4: get rid of some obsolete EXT4_MB

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Message-ID: <20250623073304.3275702-6-libaokun1@huawei.com>
Date: Mon, 23 Jun 2025 15:32:53 +0800
From: Baokun Li <libaokun1@...wei.com>
To: <linux-ext4@...r.kernel.org>
CC: <tytso@....edu>, <jack@...e.cz>, <adilger.kernel@...ger.ca>,
	<ojaswin@...ux.ibm.com>, <linux-kernel@...r.kernel.org>,
	<yi.zhang@...wei.com>, <yangerkun@...wei.com>, <libaokun1@...wei.com>
Subject: [PATCH v2 05/16] ext4: get rid of some obsolete EXT4_MB_HINT flags

Since nobody has used these EXT4_MB_HINT flags for ages,
let's remove them.

Signed-off-by: Baokun Li <libaokun1@...wei.com>
Reviewed-by: Ojaswin Mujoo <ojaswin@...ux.ibm.com>
Reviewed-by: Jan Kara <jack@...e.cz>
---
 fs/ext4/ext4.h              | 6 ------
 include/trace/events/ext4.h | 3 ---
 2 files changed, 9 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index c3f16aba7b79..29b3817f41a5 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -185,14 +185,8 @@ enum criteria {
 
 /* prefer goal again. length */
 #define EXT4_MB_HINT_MERGE		0x0001
-/* blocks already reserved */
-#define EXT4_MB_HINT_RESERVED		0x0002
-/* metadata is being allocated */
-#define EXT4_MB_HINT_METADATA		0x0004
 /* first blocks in the file */
 #define EXT4_MB_HINT_FIRST		0x0008
-/* search for the best chunk */
-#define EXT4_MB_HINT_BEST		0x0010
 /* data is being allocated */
 #define EXT4_MB_HINT_DATA		0x0020
 /* don't preallocate (for tails) */
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 156908641e68..33b204165cc0 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -23,10 +23,7 @@ struct partial_cluster;
 
 #define show_mballoc_flags(flags) __print_flags(flags, "|",	\
 	{ EXT4_MB_HINT_MERGE,		"HINT_MERGE" },		\
-	{ EXT4_MB_HINT_RESERVED,	"HINT_RESV" },		\
-	{ EXT4_MB_HINT_METADATA,	"HINT_MDATA" },		\
 	{ EXT4_MB_HINT_FIRST,		"HINT_FIRST" },		\
-	{ EXT4_MB_HINT_BEST,		"HINT_BEST" },		\
 	{ EXT4_MB_HINT_DATA,		"HINT_DATA" },		\
 	{ EXT4_MB_HINT_NOPREALLOC,	"HINT_NOPREALLOC" },	\
 	{ EXT4_MB_HINT_GROUP_ALLOC,	"HINT_GRP_ALLOC" },	\
-- 
2.46.1