btrfs: add dedicated members for start and length of a block group

[linux-2.6-microblaze.git] / fs / btrfs / reada.c

diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 1feaead..907c5d7 100644 (file)
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -248,8 +248,8 @@ static struct reada_zone *reada_find_zone(struct btrfs_device *dev, u64 logical,
        if (!cache)
                return NULL;
 
-       start = cache->key.objectid;
-       end = start + cache->key.offset - 1;
+       start = cache->start;
+       end = start + cache->length - 1;
        btrfs_put_block_group(cache);
 
        zone = kzalloc(sizeof(*zone), GFP_KERNEL);