ext4: Use lowercase names of quota functions

Use lowercase names of quota functions instead of old uppercase ones.

Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Mingming Cao <cmm@us.ibm.com>
CC: linux-ext4@vger.kernel.org
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8290cfb..71d3ecd 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4642,7 +4642,7 @@
 			error = PTR_ERR(handle);
 			goto err_out;
 		}
-		error = DQUOT_TRANSFER(inode, attr) ? -EDQUOT : 0;
+		error = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0;
 		if (error) {
 			ext4_journal_stop(handle);
 			return error;
@@ -5021,7 +5021,7 @@
  * i_size has been changed by generic_commit_write() and we thus need
  * to include the updated inode in the current transaction.
  *
- * Also, DQUOT_ALLOC_SPACE() will always dirty the inode when blocks
+ * Also, vfs_dq_alloc_block() will always dirty the inode when blocks
  * are allocated to the file.
  *
  * If the inode is marked synchronous, we don't honour that here - doing