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>
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 80626d5..f896e2c 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -689,6 +689,7 @@
 		     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 @@
 			/* 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);