diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index cf18217..9f4302a 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -482,11 +482,11 @@ static int ext4_has_free_clusters(struct ext4_sb_info *sbi,
 
 	free_clusters  = percpu_counter_read_positive(fcc);
 	dirty_clusters = percpu_counter_read_positive(dcc);
-	root_clusters = EXT4_B2C(sbi, ext4_r_blocks_count(sbi->s_es));
+	root_clusters = EXT4_NUM_B2C(sbi, ext4_r_blocks_count(sbi->s_es));
 
 	if (free_clusters - (nclusters + root_clusters + dirty_clusters) <
 					EXT4_FREECLUSTERS_WATERMARK) {
-		free_clusters  = EXT4_C2B(sbi, percpu_counter_sum_positive(fcc));
+		free_clusters  = percpu_counter_sum_positive(fcc);
 		dirty_clusters = percpu_counter_sum_positive(dcc);
 	}
 	/* Check whether we have space after accounting for current