Btrfs: Fix compile warning around num_online_cpus() in a min statement

Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 04f8d70..40a540f 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1528,7 +1528,8 @@ struct btrfs_root *open_ctree(struct super_block *sb,
        fs_info->btree_inode->i_ino = 1;
        fs_info->btree_inode->i_nlink = 1;
 
-       fs_info->thread_pool_size = min(num_online_cpus() + 2, 8);
+       fs_info->thread_pool_size = min_t(unsigned long,
+                                         num_online_cpus() + 2, 8);
 
        INIT_LIST_HEAD(&fs_info->ordered_extents);
        spin_lock_init(&fs_info->ordered_extent_lock);