btrfs: unify types for metadata_ratio and data_chunk_allocations

We have btrfs_fs_info::data_chunk_allocations and
btrfs_fs_info::metadata_ratio declared as unsigned which would be
unsinged int and kernel style prefers unsigned int over bare unsigned.
So this patch changes them to u32.
Signed-off-by: NAnand Jain <anand.jain@oracle.com>
Signed-off-by: NDavid Sterba <dsterba@suse.com>

fs/btrfs/ctree.h

@@ -994,8 +994,8 @@ struct btrfs_fs_info {
 	struct btrfs_balance_control *balance_ctl;
 	wait_queue_head_t balance_wait_q;
 
-	unsigned data_chunk_allocations;
-	unsigned metadata_ratio;
+	u32 data_chunk_allocations;
+	u32 metadata_ratio;
 
 	void *bdev_holder;
 

fs/btrfs/super.c

@@ -1737,7 +1737,7 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
 	unsigned long old_compress_type = fs_info->compress_type;
 	u64 old_max_inline = fs_info->max_inline;
 	u32 old_thread_pool_size = fs_info->thread_pool_size;
-	unsigned int old_metadata_ratio = fs_info->metadata_ratio;
+	u32 old_metadata_ratio = fs_info->metadata_ratio;
 	int ret;
 
 	sync_filesystem(sb);