md-cluster: delete useless code

page->index already considers node offset. The node_offset calculation
in write_sb_page is useless and confusion.

Cc: Goldwyn Rodrigues <rgoldwyn@suse.com>
Cc: NeilBrown <neilb@suse.com>
Acked-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 4f22e919787aba1bcab7b8f6799a3c22a6b7ce28..d80cce499a56e595d1f2679170124ca5fc620315 100644 (file)
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -210,10 +210,6 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
        struct block_device *bdev;
        struct mddev *mddev = bitmap->mddev;
        struct bitmap_storage *store = &bitmap->storage;
-       int node_offset = 0;
-
-       if (mddev_is_clustered(bitmap->mddev))
-               node_offset = bitmap->cluster_slot * store->file_pages;
 
        while ((rdev = next_active_rdev(rdev, mddev)) != NULL) {
                int size = PAGE_SIZE;