path->test_sector is unused. Remove it. --- diff/drivers/md/dm-mpath.c 2004-01-19 13:41:18.000000000 -0600 +++ source/drivers/md/dm-mpath.c 2004-01-19 13:41:13.000000000 -0600 @@ -33,7 +33,6 @@ atomic_t fail_total; struct semaphore test_lock; - sector_t test_sector; struct bio *test_bio; struct page *test_page; /* FIXME: share this between all paths ? */ };