ext2: switch to dquot_free_block_nodirty()

brute-force conversion

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index e8766a3..db69c12 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -571,7 +571,8 @@
 error_return:
 	brelse(bitmap_bh);
 	release_blocks(sb, freed);
-	dquot_free_block(inode, freed);
+	dquot_free_block_nodirty(inode, freed);
+	mark_inode_dirty(inode);
 }
 
 /**
@@ -1418,7 +1419,8 @@
 
 	*errp = 0;
 	brelse(bitmap_bh);
-	dquot_free_block(inode, *count-num);
+	dquot_free_block_nodirty(inode, *count-num);
+	mark_inode_dirty(inode);
 	*count = num;
 	return ret_block;
 
@@ -1428,8 +1430,10 @@
 	/*
 	 * Undo the block allocation
 	 */
-	if (!performed_allocation)
-		dquot_free_block(inode, *count);
+	if (!performed_allocation) {
+		dquot_free_block_nodirty(inode, *count);
+		mark_inode_dirty(inode);
+	}
 	brelse(bitmap_bh);
 	return 0;
 }