ext4: remove ext4_new_meta_block()

There were only two one callers of the function ext4_new_meta_block(),
which just a very simpler wrapper function around
ext4_new_meta_blocks().  Change those two functions to call
ext4_new_meta_blocks() directly, to save code and stack space usage.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

fs/ext4/balloc.c

@@ -724,23 +724,6 @@ ext4_fsblk_t ext4_new_meta_blocks(handle_t *handle, struct inode *inode,
 	return ret;
 }
 
-/*
- * ext4_new_meta_block() -- allocate block for meta data (indexing) blocks
- *
- * @handle:             handle to this transaction
- * @inode:              file inode
- * @goal:               given target block(filesystem wide)
- * @errp:               error code
- *
- * Return allocated block number on success
- */
-ext4_fsblk_t ext4_new_meta_block(handle_t *handle, struct inode *inode,
-		ext4_fsblk_t goal, int *errp)
-{
-	unsigned long count = 1;
-	return ext4_new_meta_blocks(handle, inode, goal, &count, errp);
-}
-
 /**
  * ext4_count_free_blocks() -- count filesystem free blocks
  * @sb:		superblock

fs/ext4/ext4.h

@@ -998,8 +998,6 @@ extern ext4_grpblk_t ext4_block_group_offset(struct super_block *sb,
 extern int ext4_bg_has_super(struct super_block *sb, ext4_group_t group);
 extern unsigned long ext4_bg_num_gdb(struct super_block *sb,
 			ext4_group_t group);
-extern ext4_fsblk_t ext4_new_meta_block(handle_t *handle, struct inode *inode,
-			ext4_fsblk_t goal, int *errp);
 extern ext4_fsblk_t ext4_new_meta_blocks(handle_t *handle, struct inode *inode,
 			ext4_fsblk_t goal, unsigned long *count, int *errp);
 extern int ext4_claim_free_blocks(struct ext4_sb_info *sbi, s64 nblocks);

fs/ext4/extents.c

@@ -189,9 +189,10 @@ ext4_ext_new_meta_block(handle_t *handle, struct inode *inode,
 			struct ext4_extent *ex, int *err)
 {
 	ext4_fsblk_t goal, newblock;
+	unsigned long count = 1;
 
 	goal = ext4_ext_find_goal(inode, path, le32_to_cpu(ex->ee_block));
-	newblock = ext4_new_meta_block(handle, inode, goal, err);
+	newblock = ext4_new_meta_blocks(handle, inode, goal, &count, err);
 	return newblock;
 }
 

fs/ext4/xattr.c

@@ -689,6 +689,7 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode,
 		     struct ext4_xattr_info *i,
 		     struct ext4_xattr_block_find *bs)
 {
+	unsigned long count = 1;
 	struct super_block *sb = inode->i_sb;
 	struct buffer_head *new_bh = NULL;
 	struct ext4_xattr_search *s = &bs->s;
@@ -810,8 +811,8 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode,
 			/* We need to allocate a new block */
 			ext4_fsblk_t goal = ext4_group_first_block_no(sb,
 						EXT4_I(inode)->i_block_group);
-			ext4_fsblk_t block = ext4_new_meta_block(handle, inode,
-							goal, &error);
+			ext4_fsblk_t block = ext4_new_meta_blocks(handle, inode,
+						  goal, &count, &error);
 			if (error)
 				goto cleanup;
 			ea_idebug(inode, "creating block %d", block);