btrfs: remove unused variable from setup_cluster_no_bitmap

The variable window_start in setup_cluster_no_bitmap is not used since commit
1bb91902dc90e25449893e693ad45605cb08fbe5
(Btrfs: revamp clustered allocation logic)

Signed-off-by: Valentina Giusti <valentina.giusti@microon.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 057be95..332aa33 100644 (file)
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2421,7 +2421,6 @@ setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
        struct btrfs_free_space *entry = NULL;
        struct btrfs_free_space *last;
        struct rb_node *node;
-       u64 window_start;
        u64 window_free;
        u64 max_extent;
        u64 total_size = 0;
@@ -2443,7 +2442,6 @@ setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
                entry = rb_entry(node, struct btrfs_free_space, offset_index);
        }
 
-       window_start = entry->offset;
        window_free = entry->bytes;
        max_extent = entry->bytes;
        first = entry;