Commits
Guoqing Jiang committed 5f0aa21da6c
md-cluster: protect md_find_rdev_nr_rcu with rcu lock We need to use rcu_read_lock/unlock to avoid potential race. Reported-by: Shaohua Li <shli@fb.com> Reviewed-by: NeilBrown <neilb@suse.com> Signed-off-by: Guoqing Jiang <gqjiang@suse.com> Signed-off-by: Shaohua Li <shli@fb.com>