diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 2ecaa17acdb..67e05835709 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -86,7 +86,7 @@ next:
 	*bh = sb_bread(sb, phys);
 	if (*bh == NULL) {
 		printk(KERN_ERR "FAT: Directory bread(block %llu) failed\n",
-		       (unsigned long long)phys);
+		       (llu)phys);
 		/* skip this block */
 		*pos = (iblock + 1) << sb->s_blocksize_bits;
 		goto next;
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 4efc5038ed2..ea440d65819 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -323,4 +323,7 @@ extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs);
 int fat_cache_init(void);
 void fat_cache_destroy(void);
 
+/* helper for printk */
+typedef unsigned long long	llu;
+
 #endif /* !_FAT_H */
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 13513992da3..da6eea47872 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -93,8 +93,7 @@ static int fat12_ent_bread(struct super_block *sb, struct fat_entry *fatent,
 err_brelse:
 	brelse(bhs[0]);
 err:
-	printk(KERN_ERR "FAT: FAT read failed (blocknr %llu)\n",
-	       (unsigned long long)blocknr);
+	printk(KERN_ERR "FAT: FAT read failed (blocknr %llu)\n", (llu)blocknr);
 	return -EIO;
 }
 
@@ -107,7 +106,7 @@ static int fat_ent_bread(struct super_block *sb, struct fat_entry *fatent,
 	fatent->bhs[0] = sb_bread(sb, blocknr);
 	if (!fatent->bhs[0]) {
 		printk(KERN_ERR "FAT: FAT read failed (blocknr %llu)\n",
-		       (unsigned long long)blocknr);
+		       (llu)blocknr);
 		return -EIO;
 	}
 	fatent->nr_bhs = 1;
diff --git a/fs/fat/misc.c b/fs/fat/misc.c
index a191e79e66a..ac39ebcc149 100644
--- a/fs/fat/misc.c
+++ b/fs/fat/misc.c
@@ -124,8 +124,9 @@ int fat_chain_add(struct inode *inode, int new_dclus, int nr_cluster)
 			mark_inode_dirty(inode);
 	}
 	if (new_fclus != (inode->i_blocks >> (sbi->cluster_bits - 9))) {
-		fat_fs_panic(sb, "clusters badly computed (%d != %lu)",
-			new_fclus, inode->i_blocks >> (sbi->cluster_bits - 9));
+		fat_fs_panic(sb, "clusters badly computed (%d != %llu)",
+			     new_fclus,
+			     (llu)(inode->i_blocks >> (sbi->cluster_bits - 9)));
 		fat_cache_inval_inode(inode);
 	}
 	inode->i_blocks += nr_cluster << (sbi->cluster_bits - 9);