diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 01434f2..42f5a18 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2039,8 +2039,7 @@ extern int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count);
 extern int ext4_calculate_overhead(struct super_block *sb);
 extern int ext4_superblock_csum_verify(struct super_block *sb,
 				       struct ext4_super_block *es);
-extern void ext4_superblock_csum_set(struct super_block *sb,
-				     struct ext4_super_block *es);
+extern void ext4_superblock_csum_set(struct super_block *sb);
 extern void *ext4_kvmalloc(size_t size, gfp_t flags);
 extern void *ext4_kvzalloc(size_t size, gfp_t flags);
 extern void ext4_kvfree(void *ptr);
@@ -2323,9 +2322,7 @@ static inline void ext4_unlock_group(struct super_block *sb,
 
 static inline void ext4_mark_super_dirty(struct super_block *sb)
 {
-	struct ext4_super_block *es = EXT4_SB(sb)->s_es;
-
-	ext4_superblock_csum_set(sb, es);
+	ext4_superblock_csum_set(sb);
 	if (EXT4_SB(sb)->s_journal == NULL)
 		sb->s_dirt =1;
 }
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index 90f7c2e..f4f0ee6 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -145,15 +145,13 @@ int __ext4_handle_dirty_super(const char *where, unsigned int line,
 	int err = 0;
 
 	if (ext4_handle_valid(handle)) {
-		ext4_superblock_csum_set(sb,
-				(struct ext4_super_block *)bh->b_data);
+		ext4_superblock_csum_set(sb);
 		err = jbd2_journal_dirty_metadata(handle, bh);
 		if (err)
 			ext4_journal_abort_handle(where, line, __func__,
 						  bh, handle, err);
 	} else if (now) {
-		ext4_superblock_csum_set(sb,
-				(struct ext4_super_block *)bh->b_data);
+		ext4_superblock_csum_set(sb);
 		mark_buffer_dirty(bh);
 	} else
 		sb->s_dirt = 1;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 975405c..993392b 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -144,9 +144,10 @@ int ext4_superblock_csum_verify(struct super_block *sb,
 	return es->s_checksum == ext4_superblock_csum(sb, es);
 }
 
-void ext4_superblock_csum_set(struct super_block *sb,
-			      struct ext4_super_block *es)
+void ext4_superblock_csum_set(struct super_block *sb)
 {
+	struct ext4_super_block *es = EXT4_SB(sb)->s_es;
+
 	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
 		EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
 		return;
@@ -4330,7 +4331,7 @@ static int ext4_commit_super(struct super_block *sb, int sync)
 				&EXT4_SB(sb)->s_freeinodes_counter));
 	sb->s_dirt = 0;
 	BUFFER_TRACE(sbh, "marking dirty");
-	ext4_superblock_csum_set(sb, es);
+	ext4_superblock_csum_set(sb);
 	mark_buffer_dirty(sbh);
 	if (sync) {
 		error = sync_dirty_buffer(sbh);