btrfs: reada, remove pointless BUG_ON check for fs_info
authorDavid Sterba <dsterba@suse.com>
Tue, 8 Nov 2016 16:18:35 +0000 (17:18 +0100)
committerDavid Sterba <dsterba@suse.com>
Wed, 30 Nov 2016 12:45:16 +0000 (13:45 +0100)
We dereference fs_info several times, besides that post-mount functions
should never see a NULL fs_info.

Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/reada.c

index 380ab6629e90412521782398b83fc4b216aa81af..f0beb63a6d824dba2a921c80e4f3193be51f0ea6 100644 (file)
@@ -439,7 +439,6 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
                                /* ignore whether the entry was inserted */
                                radix_tree_delete(&dev->reada_extents, index);
                        }
-                       BUG_ON(fs_info == NULL);
                        radix_tree_delete(&fs_info->reada_tree, index);
                        spin_unlock(&fs_info->reada_lock);
                        btrfs_dev_replace_unlock(&fs_info->dev_replace, 0);