diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 3a77b7affd09..86054f31fe4d 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -194,8 +194,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
 
 		/* Check the checksum */
 		if (!buffer_verified(bh) &&
-		    !ext4_dirent_csum_verify(inode,
-				(struct ext4_dir_entry *)bh->b_data)) {
+		    !ext4_dirblock_csum_verify(inode, bh)) {
 			EXT4_ERROR_FILE(file, 0, "directory fails checksum "
 					"at offset %llu",
 					(unsigned long long)ctx->pos);
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 7215a2a2a0de..5b86df7ec326 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2602,8 +2602,8 @@ extern int ext4_ext_migrate(struct inode *);
 extern int ext4_ind_migrate(struct inode *inode);
 
 /* namei.c */
-extern int ext4_dirent_csum_verify(struct inode *inode,
-				   struct ext4_dir_entry *dirent);
+extern int ext4_dirblock_csum_verify(struct inode *inode,
+				     struct buffer_head *bh);
 extern int ext4_orphan_add(handle_t *, struct inode *);
 extern int ext4_orphan_del(handle_t *, struct inode *);
 extern int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
@@ -3149,9 +3149,8 @@ extern struct ext4_dir_entry_2 *ext4_init_dot_dotdot(struct inode *inode,
 				 unsigned int parent_ino, int dotdot_real_len);
 extern void initialize_dirent_tail(struct ext4_dir_entry_tail *t,
 				   unsigned int blocksize);
-extern int ext4_handle_dirty_dirent_node(handle_t *handle,
-					 struct inode *inode,
-					 struct buffer_head *bh);
+extern int ext4_handle_dirty_dirblock(handle_t *handle, struct inode *inode,
+				      struct buffer_head *bh);
 extern int ext4_ci_compare(const struct inode *parent,
 			   const struct qstr *fname,
 			   const struct qstr *entry, bool quick);
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index f73bc3925282..f19dd5a08d0d 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -1164,7 +1164,7 @@ static int ext4_finish_convert_inline_dir(handle_t *handle,
 		initialize_dirent_tail(t, inode->i_sb->s_blocksize);
 	}
 	set_buffer_uptodate(dir_block);
-	err = ext4_handle_dirty_dirent_node(handle, inode, dir_block);
+	err = ext4_handle_dirty_dirblock(handle, inode, dir_block);
 	if (err)
 		return err;
 	set_buffer_verified(dir_block);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 0cda080f3fd5..4f0bcbbcfe96 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -163,7 +163,7 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode,
 		}
 	}
 	if (!is_dx_block) {
-		if (ext4_dirent_csum_verify(inode, dirent))
+		if (ext4_dirblock_csum_verify(inode, bh))
 			set_buffer_verified(bh);
 		else {
 			ext4_error_inode(inode, func, line, block,
@@ -304,17 +304,17 @@ void initialize_dirent_tail(struct ext4_dir_entry_tail *t,
 
 /* Walk through a dirent block to find a checksum "dirent" at the tail */
 static struct ext4_dir_entry_tail *get_dirent_tail(struct inode *inode,
-						   struct ext4_dir_entry *de)
+						   struct buffer_head *bh)
 {
 	struct ext4_dir_entry_tail *t;
 
 #ifdef PARANOID
 	struct ext4_dir_entry *d, *top;
 
-	d = de;
-	top = (struct ext4_dir_entry *)(((void *)de) +
+	d = (struct ext4_dir_entry *)bh->b_data;
+	top = (struct ext4_dir_entry *)(bh->b_data +
 		(EXT4_BLOCK_SIZE(inode->i_sb) -
-		sizeof(struct ext4_dir_entry_tail)));
+		 sizeof(struct ext4_dir_entry_tail)));
 	while (d < top && d->rec_len)
 		d = (struct ext4_dir_entry *)(((void *)d) +
 		    le16_to_cpu(d->rec_len));
@@ -324,7 +324,7 @@ static struct ext4_dir_entry_tail *get_dirent_tail(struct inode *inode,
 
 	t = (struct ext4_dir_entry_tail *)d;
 #else
-	t = EXT4_DIRENT_TAIL(de, EXT4_BLOCK_SIZE(inode->i_sb));
+	t = EXT4_DIRENT_TAIL(bh->b_data, EXT4_BLOCK_SIZE(inode->i_sb));
 #endif
 
 	if (t->det_reserved_zero1 ||
@@ -336,8 +336,7 @@ static struct ext4_dir_entry_tail *get_dirent_tail(struct inode *inode,
 	return t;
 }
 
-static __le32 ext4_dirent_csum(struct inode *inode,
-			       struct ext4_dir_entry *dirent, int size)
+static __le32 ext4_dirblock_csum(struct inode *inode, void *dirent, int size)
 {
 	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 	struct ext4_inode_info *ei = EXT4_I(inode);
@@ -357,49 +356,49 @@ static void __warn_no_space_for_csum(struct inode *inode, const char *func,
 		"No space for directory leaf checksum. Please run e2fsck -D.");
 }
 
-int ext4_dirent_csum_verify(struct inode *inode, struct ext4_dir_entry *dirent)
+int ext4_dirblock_csum_verify(struct inode *inode, struct buffer_head *bh)
 {
 	struct ext4_dir_entry_tail *t;
 
 	if (!ext4_has_metadata_csum(inode->i_sb))
 		return 1;
 
-	t = get_dirent_tail(inode, dirent);
+	t = get_dirent_tail(inode, bh);
 	if (!t) {
 		warn_no_space_for_csum(inode);
 		return 0;
 	}
 
-	if (t->det_checksum != ext4_dirent_csum(inode, dirent,
-						(void *)t - (void *)dirent))
+	if (t->det_checksum != ext4_dirblock_csum(inode, bh->b_data,
+						(char *)t - bh->b_data))
 		return 0;
 
 	return 1;
 }
 
-static void ext4_dirent_csum_set(struct inode *inode,
-				 struct ext4_dir_entry *dirent)
+static void ext4_dirblock_csum_set(struct inode *inode,
+				 struct buffer_head *bh)
 {
 	struct ext4_dir_entry_tail *t;
 
 	if (!ext4_has_metadata_csum(inode->i_sb))
 		return;
 
-	t = get_dirent_tail(inode, dirent);
+	t = get_dirent_tail(inode, bh);
 	if (!t) {
 		warn_no_space_for_csum(inode);
 		return;
 	}
 
-	t->det_checksum = ext4_dirent_csum(inode, dirent,
-					   (void *)t - (void *)dirent);
+	t->det_checksum = ext4_dirblock_csum(inode, bh->b_data,
+					   (char *)t - bh->b_data);
 }
 
-int ext4_handle_dirty_dirent_node(handle_t *handle,
-				  struct inode *inode,
-				  struct buffer_head *bh)
+int ext4_handle_dirty_dirblock(handle_t *handle,
+			       struct inode *inode,
+			       struct buffer_head *bh)
 {
-	ext4_dirent_csum_set(inode, (struct ext4_dir_entry *)bh->b_data);
+	ext4_dirblock_csum_set(inode, bh);
 	return ext4_handle_dirty_metadata(handle, inode, bh);
 }
 
@@ -1530,8 +1529,7 @@ restart:
 		if (!buffer_verified(bh) &&
 		    !is_dx_internal_node(dir, block,
 					 (struct ext4_dir_entry *)bh->b_data) &&
-		    !ext4_dirent_csum_verify(dir,
-				(struct ext4_dir_entry *)bh->b_data)) {
+		    !ext4_dirblock_csum_verify(dir, bh)) {
 			EXT4_ERROR_INODE(dir, "checksumming directory "
 					 "block %lu", (unsigned long)block);
 			brelse(bh);
@@ -1894,7 +1892,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
 		de = de2;
 	}
 	dx_insert_block(frame, hash2 + continued, newblock);
-	err = ext4_handle_dirty_dirent_node(handle, dir, bh2);
+	err = ext4_handle_dirty_dirblock(handle, dir, bh2);
 	if (err)
 		goto journal_error;
 	err = ext4_handle_dirty_dx_node(handle, dir, frame->bh);
@@ -2022,7 +2020,7 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname,
 	inode_inc_iversion(dir);
 	ext4_mark_inode_dirty(handle, dir);
 	BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
-	err = ext4_handle_dirty_dirent_node(handle, dir, bh);
+	err = ext4_handle_dirty_dirblock(handle, dir, bh);
 	if (err)
 		ext4_std_error(dir->i_sb, err);
 	return 0;
@@ -2126,7 +2124,7 @@ static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname,
 	retval = ext4_handle_dirty_dx_node(handle, dir, frame->bh);
 	if (retval)
 		goto out_frames;	
-	retval = ext4_handle_dirty_dirent_node(handle, dir, bh2);
+	retval = ext4_handle_dirty_dirblock(handle, dir, bh2);
 	if (retval)
 		goto out_frames;	
 
@@ -2512,7 +2510,7 @@ static int ext4_delete_entry(handle_t *handle,
 		goto out;
 
 	BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
-	err = ext4_handle_dirty_dirent_node(handle, dir, bh);
+	err = ext4_handle_dirty_dirblock(handle, dir, bh);
 	if (unlikely(err))
 		goto out;
 
@@ -2744,7 +2742,7 @@ static int ext4_init_new_dir(handle_t *handle, struct inode *dir,
 	}
 
 	BUFFER_TRACE(dir_block, "call ext4_handle_dirty_metadata");
-	err = ext4_handle_dirty_dirent_node(handle, inode, dir_block);
+	err = ext4_handle_dirty_dirblock(handle, inode, dir_block);
 	if (err)
 		goto out;
 	set_buffer_verified(dir_block);
@@ -3492,9 +3490,8 @@ static int ext4_rename_dir_finish(handle_t *handle, struct ext4_renament *ent,
 							   ent->inode,
 							   ent->dir_bh);
 		} else {
-			retval = ext4_handle_dirty_dirent_node(handle,
-							       ent->inode,
-							       ent->dir_bh);
+			retval = ext4_handle_dirty_dirblock(handle, ent->inode,
+							    ent->dir_bh);
 		}
 	} else {
 		retval = ext4_mark_inode_dirty(handle, ent->inode);
@@ -3524,8 +3521,7 @@ static int ext4_setent(handle_t *handle, struct ext4_renament *ent,
 	ext4_mark_inode_dirty(handle, ent->dir);
 	BUFFER_TRACE(ent->bh, "call ext4_handle_dirty_metadata");
 	if (!ent->inlined) {
-		retval = ext4_handle_dirty_dirent_node(handle,
-						       ent->dir, ent->bh);
+		retval = ext4_handle_dirty_dirblock(handle, ent->dir, ent->bh);
 		if (unlikely(retval)) {
 			ext4_std_error(ent->dir->i_sb, retval);
 			return retval;